contract C { function f(uint x) public pure { require(x < 100); while (x < 10) { x = x + 1; } assert(x < 14); } } // ==== // SMTEngine: all // SMTSolvers: z3 // ---- // Warning 6328: (106-120): CHC: Assertion violation happens here. // Info 1391: CHC: 1 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.