// Check that condition is assumed.
contract C {
    function f(uint x) public pure {
        while (x == 2) {
            assert(x == 2);
        }
    }
}
// ====
// SMTEngine: all
// SMTSolvers: z3
// ----
// Info 1391: CHC: 1 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.