// 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", "assert.h", 3, __extension__ __PRETTY_FUNCTION__); })); }
extern void abort(void);
void assume_abort_if_not(int cond) //@ requires true; 
//@ ensures true;
{
  if(!cond) {abort();}
}
void __VERIFIER_assert(int cond) //@ requires (1 <= cond); 
//@ ensures (1 <= cond);
{
  if (!(cond)) {
      ERROR: {reach_error();abort();}
  }
  return;
}
int __VERIFIER_nondet_int();//@ requires true; 
//@ ensures true;

int main() //@ requires module(cggmp2005b__verifast_instrumented_modified, true); 
//@ ensures junk();
{
    int i,j,k;
    i = 0;
    k = 9;
    j = -100;
    while (i <= 100)//@ invariant (((i == 0) && ((j + 100) <= 0)) || (k == 4));
 {
 i = i + 1;
 while (j < 20)//@ invariant ((i < 2) || (k == 4));
 {
     j = i + j;
 }
 k = 4;
 while (k <= 3)//@ invariant (k == 4);
 {
     k = k + 1;
 }
    }
    __VERIFIER_assert(k == 4);
    return 0;
}