File: main.c

package info (click to toggle)
cbmc 5.12-5
  • links: PTS
  • area: main
  • in suites: bullseye
  • size: 92,512 kB
  • sloc: cpp: 301,761; ansic: 51,699; java: 27,534; python: 5,113; yacc: 4,756; makefile: 3,184; lex: 2,749; sh: 1,347; perl: 555; xml: 404; pascal: 203; ada: 36
file content (30 lines) | stat: -rw-r--r-- 426 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
// invar_check_04

// This test checks the handling of break by loop invariants.
// This test is expected to fail along the code path where r is even before
// entering the loop.

#include <assert.h>

int main()
{
  int r;
  __CPROVER_assume(r >= 0);

  while(r>0)
    __CPROVER_loop_invariant(r >= 0)
  { 
    --r;
    if (r <= 1)
    {
      break;
    }
    else
    {
      --r;
    }
  }
  assert(r == 0);

  return 0;
}