extern void __VERIFIER_error() __attribute__ ((__noreturn__)); /* Rounding addition and subtraction in single-precision floats. */ void __VERIFIER_assert(int cond) { if (!(cond)) { ERROR: __VERIFIER_error(); } return; } int main() { float x, y, z, r; x = 1e8f; y = x + 1.f; z = x - 1.f; r = y - z; __VERIFIER_assert(r == 0.f); return 0; }