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