File: lazy.i

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frama-c 20220511-manganese-5
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/* run.config*
   STDOPT: #"-eva-msg-key pointer-comparison"
   STDOPT: #"-eva-undefined-pointer-comparison-propagate-all -eva-msg-key pointer-comparison"
*/
int a=-1;
int b, d;
int *q, *r, *s, *t;
void main (int *p, int c, int d) {

  q = &a - !c; 	
  if (q) r=q;

  s = &a - !d; 	
  if (!s) t=s;
 
  if (p && *p ) *p = 0 ;
  if (&a) { a=0; b=1; }
  if (&a+1) a+=2;
  if (&a+2) a+=4;
  return;
}