File: main.c

package info (click to toggle)
cbmc 6.6.0-4
  • links: PTS
  • area: main
  • in suites: forky, sid, trixie
  • size: 153,852 kB
  • sloc: cpp: 386,459; ansic: 114,466; java: 28,405; python: 6,003; yacc: 4,552; makefile: 4,041; lex: 2,487; xml: 2,388; sh: 2,050; perl: 557; pascal: 184; javascript: 163; ada: 36
file content (23 lines) | stat: -rw-r--r-- 353 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
#include <stdlib.h>

struct pair
{
  int x;
  int y;
};

void foo(struct pair *p) __CPROVER_assigns(p->y)
  __CPROVER_ensures((p != NULL) == > (p->y == __CPROVER_old(p->y) + 5))
    __CPROVER_ensures((p == NULL) == > (p->y == __CPROVER_old(p->y)))
{
  if(p != NULL)
    p->y = p->y + 5;
}

int main()
{
  struct pair *p = NULL;
  foo(p);

  return 0;
}