// verifast_options{disable_overflow_check target:ILP32}
extern void abort(void);
//@ requires true;
//@ ensures true;
void reach_error()
//@ requires false;
//@ ensures true;
{}extern short __VERIFIER_nondet_short(void);
//@ requires true;
//@ ensures true;
void assume_abort_if_not(int cond) 
//@ requires true;
//@ ensures (cond != 0);
{  if(!cond) {abort();}
}
void __VERIFIER_assert(int cond) 
//@ requires (1 <= cond);
//@ ensures (1 <= cond);
{    if (!(cond)) {
    ERROR:
        {reach_error();}
    }
    return;
}

int main() 
//@ requires module(ps4_ll_valuebound5__verifast_instrumented, true);
//@ ensures junk();
{
    //@ open_module(); 
    short k;
    long long y, x, c;
    k = __VERIFIER_nondet_short();
    assume_abort_if_not(k>=0 && k<=5);

    y = 0;
    x = 0;
    c = 0;

while (1)
//@ invariant ((((((((((k <= 5) && ((1 < k) || (k == 1))) && (y == 1)) && (x == 1)) && (c == 1)) || (((((y == 2) && (k <= 5)) && ((k == 2) || (2 < k))) && (c == 2)) && (x == 9))) || (((((k <= 5) && (4 <= k)) && (y == 4)) && (c == 4)) && (x == 100))) || (((((k <= 5) && ((k == 3) || (3 < k))) && (y == 3)) && (x == 36)) && (c == 3))) || (((((x == 0) && (k <= 5)) && (0 <= k)) && (c == 0)) && (y == 0))) || ((((((k <= 5) && (((c * 3) + (c * y)) == ((y * 3) + (y * y)))) && ((y * y) == (k * y))) && (((c * 2) + (c * y)) == ((y * 2) + (y * y)))) && ((((((y * y) * y) * y) + (y * y)) + (((y * y) * y) * 2)) == (x * 4))) && (5 <= c)));
    {
        __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0);

        if (!(c < k))
            break;

        c = c + 1;
        y = y + 1;
        x = y * y * y + x;
    }
    __VERIFIER_assert(k*y - (y*y) == 0);
    __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0);
    return 0;
}