// verifast_options{disable_overflow_check target:ILP32}

int SIZE = 50000001;


int __VERIFIER_nondet_int();//@ requires true; 
//@ ensures true;

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

extern void __assert_fail(const char *, const char *, unsigned int, const char *) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__));
void reach_error() //@ requires false; 
//@ ensures true;
{ __assert_fail("0", "loopv3.c", 7, "reach_error"); }
extern void abort(void);
void assume_abort_if_not(int cond) //@ requires true; 
//@ ensures 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) &*& (((veri_req_SIZE == veri_ens_SIZE) && (1 <= cond)) && (50000001 <= veri_ens_SIZE));
{
  if (!(cond)) {
    ERROR: {reach_error();abort();}
  }
  return;
}


int main() //@ requires module(loopv3__verifast_instrumented_modified, true); 
//@ ensures junk();
{
  int i,j;
//@ invariant integer(&SIZE, ?veri_req_SIZE) &*& (50000001 <= veri_req_SIZE);
  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;
}