// verifast_options{disable_overflow_check target:ILP32}
int SIZE = 50000001;


int __VERIFIER_nondet_int();
//@ requires integer(&SIZE, ?veri_req_SIZE) &*& true;
//@ ensures integer(&SIZE, ?veri_ens_SIZE) &*& true;
extern void abort(void);
//@ requires integer(&SIZE, ?veri_req_SIZE) &*& true;
//@ ensures integer(&SIZE, ?veri_ens_SIZE) &*& true;
void reach_error()
//@ requires false;
//@ ensures true;
{}void assume_abort_if_not(int cond) 
//@ requires integer(&SIZE, ?veri_req_SIZE) &*& true;
//@ ensures integer(&SIZE, ?veri_ens_SIZE) &*& true;
{  if(!cond) {abort();}
}
void __VERIFIER_assert(int cond) 
//@ requires integer(&SIZE, ?veri_req_SIZE) &*& ((1 <= cond) && (50000001 <= veri_req_SIZE));
//@ ensures integer(&SIZE, ?veri_ens_SIZE) &*& ((1 <= cond) && (50000001 <= veri_ens_SIZE));
{  if (!(cond)) {
    ERROR: {reach_error();abort();}
  }
  return;
}


int main() 
//@ requires module(loopv3__verifast_instrumented, true) &*& (50000001 <= SIZE);
//@ ensures (50000001 <= SIZE) &*& junk();
{
    //@ open_module(); 
  int i,j;
  i = 0; j=0;
while(i<SIZE)
//@ invariant integer(&SIZE, ?veri_inv_SIZE) &*& (((i % 4) == 0) && (50000001 <= veri_inv_SIZE));
    {

    if(__VERIFIER_nondet_int())	  
      i = i + 8; 
    else
     i = i + 4;    
	  
  }
  j = i/4 ;
    __VERIFIER_assert( (j * 4) == i);
  return 0;
}