Example: pointer_from_integer_1p.c

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    #include <stdio.h>
    #include <stdint.h>
    #include "charon_address_guesses.h"
    void f(int *p) {
      int j=5;
      *p=7;
      printf("j=%d\n",j); 
    }
    int main() {
      uintptr_t i = ADDRESS_PFI_1P;
      int *p = (int*)i;
      f(p);
    }
[link to run test in Cerberus]

Experimental data (what does this mean?) 



cerberus-concrete-PVI-plain Undefined behaviour: the operand of the unary '*' operator has an invalid value at 6:3-5


cerberus-concrete-PVI-ae Undefined behaviour: the operand of the unary '*' operator has an invalid value at 6:3-5


cerberus-concrete-PVI-ae-udi Undefined behaviour: the operand of the unary '*' operator has an invalid value at 6:3-5


gcc-8.3-O0 exit codes: compile 0 / execute 139


gcc-8.3-O2 exit codes: compile 0 / execute 139


gcc-8.3-O3 exit codes: compile 0 / execute 139


gcc-8.3-O2-no-strict-aliasing exit codes: compile 0 / execute 139


gcc-8.3-O3-no-strict-aliasing exit codes: compile 0 / execute 139


clang-7.0.1-O0 exit codes: compile 0 / execute 139


clang-7.0.1-O2 exit codes: compile 0 / execute 139


clang-7.0.1-O3 exit codes: compile 0 / execute 139


clang-7.0.1-O2-no-strict-aliasing exit codes: compile 0 / execute 139


clang-7.0.1-O3-no-strict-aliasing exit codes: compile 0 / execute 139


icc-19-O0 exit codes: compile 0 / execute 139
Segmentation fault (core dumped)


icc-19-O2 exit codes: compile 0 / execute 139
Segmentation fault (core dumped)


icc-19-O3 exit codes: compile 0 / execute 139
Segmentation fault (core dumped)


icc-19-O2-no-strict-aliasing exit codes: compile 0 / execute 139
Segmentation fault (core dumped)


icc-19-O3-no-strict-aliasing exit codes: compile 0 / execute 139
Segmentation fault (core dumped)