| gcc-8.1-O0 | | Addresses: &x=140736410188532 &y=140736410188528 offset=-4
x=1 y=11 *p=11 *q=11
|
| gcc-8.1-O2 | | Addresses: &x=140737230224424 &y=140737230224428 offset=4
x=1 y=11 *p=11 *q=11
|
| gcc-8.1-O3 | | Addresses: &x=140727411554616 &y=140727411554620 offset=4
x=1 y=11 *p=11 *q=11
|
| gcc-8.1-O2-no-strict-aliasing | | Addresses: &x=140729308395912 &y=140729308395916 offset=4
x=1 y=11 *p=11 *q=11
|
| gcc-8.1-O3-no-strict-aliasing | | Addresses: &x=140732313568104 &y=140732313568108 offset=4
x=1 y=11 *p=11 *q=11
|
| clang-6.0-O0 | | Addresses: &x=140735215937096 &y=140735215937092 offset=-4
x=1 y=11 *p=11 *q=11
|
| clang-6.0-O2 | | Addresses: &x=140725827561060 &y=140725827561056 offset=-4
x=1 y=11 *p=11 *q=11
|
| clang-6.0-O3 | | Addresses: &x=140723835511716 &y=140723835511712 offset=-4
x=1 y=11 *p=11 *q=11
|
| clang-6.0-O2-no-strict-aliasing | | Addresses: &x=140729979615828 &y=140729979615824 offset=-4
x=1 y=11 *p=11 *q=11
|
| clang-6.0-O3-no-strict-aliasing | | Addresses: &x=140735594090500 &y=140735594090496 offset=-4
x=1 y=11 *p=11 *q=11
|
| clang-6.0-UBSAN | | Addresses: &x=140729508086364 &y=140729508086360 offset=-4
x=1 y=11 *p=11 *q=11
|
| clang-6.0-ASAN | | Addresses: &x=140735177300128 &y=140735177300144 offset=16
x=1 y=11 *p=11 *q=11
|
| clang-6.0-MSAN | | Addresses: &x=140726860634036 &y=140726860634032 offset=-4
x=1 y=11 *p=11 *q=11
|
| icc-19-O0 | | Addresses: &x=140735673267984 &y=140735673267988 offset=4
x=1 y=11 *p=11 *q=11
|
| icc-19-O2 | | Addresses: &x=6309568 &y=6309572 offset=4
x=1 y=11 *p=11 *q=11
|
| icc-19-O3 | | Addresses: &x=6309568 &y=6309572 offset=4
x=1 y=11 *p=11 *q=11
|
| icc-19-O2-no-strict-aliasing | | Addresses: &x=6309568 &y=6309572 offset=4
x=1 y=11 *p=11 *q=11
|
| icc-19-O3-no-strict-aliasing | | Addresses: &x=6309568 &y=6309572 offset=4
x=1 y=11 *p=11 *q=11
|
| cerberus-concrete | | BEGIN EXEC[0]
Killed {msg: MerrAccess Store [pointer_offset_from_subtraction_1_auto.c:15:5-12] OutOfBoundPtr}
END EXEC[0]
Time spent: 0.043861 seconds
|
| cerberus-symbolic | | BEGIN EXEC[0]
Undefined [other_location(Core parser)]{id: [DUMMY(rev_listFromStr_aux)]}
END EXEC[0]
BEGIN EXEC[1]
Undefined [other_location(Core parser)]{id: [UB036_exceptional_condition]}
END EXEC[1]
BEGIN EXEC[2]
Undefined [other_location(Core parser)]{id: [UB036_exceptional_condition]}
END EXEC[2]
Time spent: 0.159506 seconds
|
| gcc-4.9-shadowprov | | exit codes: compile 0 / execute 134
|
| CHERI:MIPS-O0 | | Addresses: &x=549755808208 &y=549755808204 offset=-4
x=1 y=11 *p=11 *q=11
|
| CHERI:MIPS-O2 | | Addresses: &x=549755808212 &y=549755808208 offset=-4
x=1 y=11 *p=11 *q=11
|
| CHERI:MIPS-O2-no-strict-aliasing | | Addresses: &x=549755808180 &y=549755808176 offset=-4
x=1 y=11 *p=11 *q=11
|
| CHERI:CHERI-O0-uintcap-addr-exact-equals | | Addresses: &x=0 &y=0 offset=-4
|
| CHERI:CHERI-O2-uintcap-addr-exact-equals | | Addresses: &x=0 &y=0 offset=-4
|
| CHERI:CHERI-O2-no-strict-aliasing-uintcap-addr-exact-equals | | Addresses: &x=0 &y=0 offset=-4
|
| CHERI:CHERI-O0-uintcap-offset-exact-equals | | Addresses: &x=0 &y=0 offset=0
|
| CHERI:CHERI-O2-uintcap-offset-exact-equals | | Addresses: &x=0 &y=0 offset=0
|
| CHERI:CHERI-O2-no-strict-aliasing-uintcap-offset-exact-equals | | Addresses: &x=0 &y=0 offset=0
|
| CHERI:CHERI-O0-uintcap-addr | | Addresses: &x=0 &y=0 offset=-4
|
| CHERI:CHERI-O2-uintcap-addr | | Addresses: &x=0 &y=0 offset=-4
|
| CHERI:CHERI-O2-no-strict-aliasing-uintcap-addr | | Addresses: &x=0 &y=0 offset=-4
|
| CHERI:CHERI-O0-uintcap-offset | | Addresses: &x=0 &y=0 offset=0
|
| CHERI:CHERI-O2-uintcap-offset | | Addresses: &x=0 &y=0 offset=0
|
| CHERI:CHERI-O2-no-strict-aliasing-uintcap-offset | | Addresses: &x=0 &y=0 offset=0
|
| RV-Match | | Addresses: &x=0 &y=0 offset=9223372036854775807
Computing pointer difference between two different objects:
> in main at pointer_offset_from_subtraction_1_auto.c:9:3
Undefined behavior (UB-CEA5):
see C11 section 6.5.6:9 http://rvdoc.org/C11/6.5.6
see C11 section J.2:1 item 48 http://rvdoc.org/C11/J.2
see CERT-C section ARR36-C http://rvdoc.org/CERT-C/ARR36-C
see MISRA-C section 8.18:2 http://rvdoc.org/MISRA-C/8.18
see MISRA-C section 8.1:3 http://rvdoc.org/MISRA-C/8.1
Printing an unspecified value:
> in printf at pointer_offset_from_subtraction_1_auto.c:10:3
in main at pointer_offset_from_subtraction_1_auto.c:10:3
Unspecified value or behavior (USP-STDIO2):
see C11 section 7.21.6.1:8 http://rvdoc.org/C11/7.21.6.1
A pointer (or array subscript) outside the bounds of an object:
> in main at pointer_offset_from_subtraction_1_auto.c:12:3
Undefined behavior (UB-CEA1):
see C11 section 6.5.6:8 http://rvdoc.org/C11/6.5.6
see C11 section J.2:1 item 46 http://rvdoc.org/C11/J.2
see CERT-C section ARR30-C http://rvdoc.org/CERT-C/ARR30-C
see CERT-C section ARR37-C http://rvdoc.org/CERT-C/ARR37-C
see CERT-C section STR31-C http://rvdoc.org/CERT-C/STR31-C
see MISRA-C section 8.18:1 http://rvdoc.org/MISRA-C/8.18
see MISRA-C section 8.1:3 http://rvdoc.org/MISRA-C/8.1
Conversion from an integer to non-null pointer:
> in main at pointer_offset_from_subtraction_1_auto.c:12:3
Implementation defined behavior (IMPL-CCV13):
see C11 section 6.3.2.3:5 http://rvdoc.org/C11/6.3.2.3
see CERT section INT36-C http://rvdoc.org/CERT/INT36-C
Found pointer that refers outside the bounds of an object + 1:
> in main at pointer_offset_from_subtraction_1_auto.c:12:3
Undefined behavior (UB-CEE3):
see C11 section 6.3.2.1:1 http://rvdoc.org/C11/6.3.2.1
see C11 section J.2:1 item 19 http://rvdoc.org/C11/J.2
see CERT-C section ARR30-C http://rvdoc.org/CERT-C/ARR30-C
see CERT-C section ARR37-C http://rvdoc.org/CERT-C/ARR37-C
see CERT-C section STR31-C http://rvdoc.org/CERT-C/STR31-C
see MISRA-C section 8.1:3 http://rvdoc.org/MISRA-C/8.1
Cannot compare pointers with different base objects using '<':
> in memcmp at /opt/rv-match/c-semantics/x86_64-linux-gcc-glibc/src/string.c:181:19
in main at pointer_offset_from_subtraction_1_auto.c:14:3
Undefined behavior (UB-CERL1):
see C11 section 6.5.8:5 http://rvdoc.org/C11/6.5.8
see C11 section J.2:1 item 53 http://rvdoc.org/C11/J.2
see CERT-C section ARR36-C http://rvdoc.org/CERT-C/ARR36-C
see MISRA-C section 8.18:3 http://rvdoc.org/MISRA-C/8.18
see MISRA-C section 8.1:3 http://rvdoc.org/MISRA-C/8.1
Comparison of unspecified value:
> in memcmp at /opt/rv-match/c-semantics/x86_64-linux-gcc-glibc/src/string.c:181:19
in main at pointer_offset_from_subtraction_1_auto.c:14:3
Unspecified value or behavior (USP-CERL7):
see C11 section 6.5.9 http://rvdoc.org/C11/6.5.9
see MISRA-C section 8.1:3 http://rvdoc.org/MISRA-C/8.1
|
| ch2o | | In file included from /usr/local/Cellar/gcc/7.3.0_1/lib/gcc/7/gcc/x86_64-apple-darwin17.3.0/7.3.0/include/stdint.h:9:0,
from pointer_offset_from_subtraction_1_auto.c:3:
/usr/local/Cellar/gcc/7.3.0_1/lib/gcc/7/gcc/x86_64-apple-darwin17.3.0/7.3.0/include-fixed/stdint.h:27:10: fatal error: sys/_types/_int8_t.h: No such file or directory
#include <sys/_types/_int8_t.h>
^~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
|
| compcert-3.2 | | Addresses: &x=140736963908376 &y=140736963908380 offset=4
x=1 y=11 *p=11 *q=11
|
| compcert-3.2-O | | Addresses: &x=140735236507160 &y=140735236507164 offset=4
x=1 y=11 *p=11 *q=11
|
| compcert-3.2-interp | | Time 0: calling main()
--[step_internal_function]-->
Time 1: in function main, statement
x = 1;
y = 2;
ux = (int) &x;
uy = (int) &y;
offset = uy - ux;
printf(__stringlit_1, ux, uy, offset);
p = (int *) (ux + offset);
q = &y;
if (memcmp(&p, &q, sizeof(int *)) == 0) {
*p = 11;
printf(__stringlit_2, x, y, *., *.);
}
return 0;
--[step_seq]-->
Time 2: in function main, statement
x = 1;
y = 2;
ux = (int) &x;
uy = (int) &y;
offset = uy - ux;
printf(__stringlit_1, ux, uy, offset);
p = (int *) (ux + offset);
q = &y;
if (memcmp(&p, &q, sizeof(int *)) == 0) {
*p = 11;
printf(__stringlit_2, x, y, *., *.);
}
--[step_seq]-->
Time 3: in function main, statement x = 1;
--[step_do_1]-->
Time 4: in function main, expression x = 1
--[red_var_local]-->
Time 5: in function main, expression <loc x> = 1
--[red_assign]-->
Time 6: in function main, expression 1
--[step_do_2]-->
Time 7: in function main, statement /*skip*/;
--[step_skip_seq]-->
Time 8: in function main, statement
y = 2;
ux = (int) &x;
uy = (int) &y;
offset = uy - ux;
printf(__stringlit_1, ux, uy, offset);
p = (int *) (ux + offset);
q = &y;
if (memcmp(&p, &q, sizeof(int *)) == 0) {
*p = 11;
printf(__stringlit_2, x, y, *., *.);
}
--[step_seq]-->
Time 9: in function main, statement y = 2;
--[step_do_1]-->
Time 10: in function main, expression y = 2
--[red_var_local]-->
Time 11: in function main, expression <loc y> = 2
--[red_assign]-->
Time 12: in function main, expression 2
--[step_do_2]-->
Time 13: in function main, statement /*skip*/;
--[step_skip_seq]-->
Time 14: in function main, statement
ux = (int) &x;
uy = (int) &y;
offset = uy - ux;
printf(__stringlit_1, ux, uy, offset);
p = (int *) (ux + offset);
q = &y;
if (memcmp(&p, &q, sizeof(int *)) == 0) {
*p = 11;
printf(__stringlit_2, x, y, *., *.);
}
--[step_seq]-->
Time 15: in function main, statement ux = (int) &x;
--[step_do_1]-->
Time 16: in function main, expression ux = (int) &x
--[red_var_local]-->
Time 17: in function main, expression <loc ux> = (int) &x
--[red_var_local]-->
Time 18: in function main, expression <loc ux> = (int) &<loc x>
--[red_addrof]-->
Time 19: in function main, expression <loc ux> = (int) <ptr x>
--[red_cast]-->
Time 20: in function main, expression <loc ux> = <ptr x>
--[red_assign]-->
Time 21: in function main, expression <ptr x>
--[step_do_2]-->
Time 22: in function main, statement /*skip*/;
--[step_skip_seq]-->
Time 23: in function main, statement
uy = (int) &y;
offset = uy - ux;
printf(__stringlit_1, ux, uy, offset);
p = (int *) (ux + offset);
q = &y;
if (memcmp(&p, &q, sizeof(int *)) == 0) {
*p = 11;
printf(__stringlit_2, x, y, *., *.);
}
--[step_seq]-->
Time 24: in function main, statement uy = (int) &y;
--[step_do_1]-->
Time 25: in function main, expression uy = (int) &y
--[red_var_local]-->
Time 26: in function main, expression <loc uy> = (int) &y
--[red_var_local]-->
Time 27: in function main, expression <loc uy> = (int) &<loc y>
--[red_addrof]-->
Time 28: in function main, expression <loc uy> = (int) <ptr y>
--[red_cast]-->
Time 29: in function main, expression <loc uy> = <ptr y>
--[red_assign]-->
Time 30: in function main, expression <ptr y>
--[step_do_2]-->
Time 31: in function main, statement /*skip*/;
--[step_skip_seq]-->
Time 32: in function main, statement
offset = uy - ux;
printf(__stringlit_1, ux, uy, offset);
p = (int *) (ux + offset);
q = &y;
if (memcmp(&p, &q, sizeof(int *)) == 0) {
*p = 11;
printf(__stringlit_2, x, y, *., *.);
}
--[step_seq]-->
Time 33: in function main, statement offset = uy - ux;
--[step_do_1]-->
Time 34: in function main, expression offset = uy - ux
--[red_var_local]-->
Time 35: in function main, expression <loc offset> = uy - ux
--[red_var_local]-->
Time 36: in function main, expression <loc offset> = <loc uy> - ux
--[red_rvalof]-->
Time 37: in function main, expression <loc offset> = <ptr y> - ux
--[red_var_local]-->
Time 38: in function main, expression <loc offset> = <ptr y> - <loc ux>
--[red_rvalof]-->
Time 39: in function main, expression <loc offset> = <ptr y> - <ptr x>
Stuck state: in function main, expression <loc offset> = <ptr y> - <ptr x>
Stuck subexpression: <ptr y> - <ptr x>
ERROR: Undefined behavior
In file included from pointer_offset_from_subtraction_1_auto.c:1:
In file included from /usr/include/stdio.h:64:
In file included from /usr/include/_stdio.h:68:
/usr/include/sys/cdefs.h:81:2: warning: "Unsupported compiler detected" [-W#warnings]
#warning "Unsupported compiler detected"
^
1 warning generated.
|