// verifast_options{disable_overflow_check target:ILP32}
extern void abort(void);
//@ requires true;
//@ ensures true;


void reach_error()
//@ requires false;
//@ ensures true;
{}extern int __VERIFIER_nondet_int(void);
//@ requires true;
//@ ensures true;
void __VERIFIER_assert(int cond) 
//@ requires (cond != 0);
//@ ensures (cond != 0);
{  if (!(cond)) {
    ERROR: {reach_error();abort();}
  }
  return;
}
int main(void) 
//@ requires module(array_3_1__verifast_instrumented, true);
//@ ensures junk();
{
    //@ open_module(); 
  int A[1024];
  int i;

for (i = 0; i < 1024; i++)
//@ invariant (i < 1025);
    {
    A[i] = __VERIFIER_nondet_int();
  }

for (i = 0; A[i] != 0; i++)
//@ invariant (i < 1024);
    {
    if (i >= 1024-1) {
      break;
    }
  }
  __VERIFIER_assert(i <= 1024);
 return 0; }