typedef enum {false, true} bool; extern int __VERIFIER_nondet_int(void); int main() { int c; int x, y, z; x = __VERIFIER_nondet_int(); y = __VERIFIER_nondet_int(); z = __VERIFIER_nondet_int(); c = 0; while (x > z) { while (y > z) { y = y - 1; c = c + 1; } c = c + 1; x = x - 1; } return 0; }