// verifast_options{disable_overflow_check target:ILP32}

extern void abort(void);//@ requires true; 
//@ ensures true;


extern void __assert_fail (const char *__assertion, const char *__file,
      unsigned int __line, const char *__function)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void __assert_perror_fail (int __errnum, const char *__file,
      unsigned int __line, const char *__function)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
extern void __assert (const char *__assertion, const char *__file, int __line)
     __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));

void reach_error() //@ requires false; 
//@ ensures true;
{ ((void) sizeof ((0) ? 1 : 0), __extension__ ({ if (0) ; else __assert_fail ("0", "array_3-1.c", 3, __extension__ __PRETTY_FUNCTION__); })); }
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_modified, true); 
//@ ensures junk();
{
  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);
}