/* * Date: 2012-02-12 * Author: leike@informatik.uni-freiburg.de * * Ranking function: f(x, a, b) = x; * needs the loop invariant b >= a. */ typedef enum {false, true} bool; extern int __VERIFIER_nondet_int(void); int main() { int x; int a; int b; x = __VERIFIER_nondet_int(); a = __VERIFIER_nondet_int(); b = __VERIFIER_nondet_int(); if (a == b) { while (x >= 0) { x = x + a - b - 1; } } return 0; }