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


void reach_error()
//@ requires false;
//@ ensures true;
{}void assume_abort_if_not(int cond) 
//@ requires true;
//@ ensures true;
{  if(!cond) {abort();}
}
void __VERIFIER_assert(int cond) 
//@ requires (cond != 0);
//@ ensures (cond != 0);
{  if (!(cond)) {
    ERROR: {reach_error();abort();}
  }
  return;
}
_Bool __VERIFIER_nondet_bool();
//@ requires true;
//@ ensures true;
int __VERIFIER_nondet_int();
//@ requires true;
//@ ensures true;
void f(int d) 
//@ requires true;
//@ ensures true;
{  int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1;
  L1:
  if (!(k <= 1073741823))
    return;
while (z < k)
//@ invariant (0 < z);
    { z = 2 * z; }
  __VERIFIER_assert(z>=1);
  L2:
  if (!(x <= 1000000 && x >= -1000000)) return;
  if (!(y <= 1000000 && y >= -1000000)) return;
  if (!(k <= 1000000 && k >= -1000000)) return;
  while (x > 0 && y > 0) {
    bool c = __VERIFIER_nondet_bool();
    if (c) {
      P1:
      x = x - d;
      y = __VERIFIER_nondet_bool();;
      z = z - 1;
    } else {
      y = y - d;
    }
  }
}
int main() 
//@ requires module(trex01_2__verifast_instrumented, true);
//@ ensures junk();
{
    //@ open_module(); 
  bool c = __VERIFIER_nondet_bool();
  if (c) {
    f(1);
  } else {
    f(2);
  }
  return 0;
}