pragma experimental SMTChecker; contract C { function f(uint x) public pure { require(x < 100); do { // Overflows due to resetting x. x = x + 1; } while (x < 10); assert(x < 14); } } // ==== // SMTSolvers: z3 // ---- // Warning: (150-155): Overflow (resulting value larger than 2**256 - 1) happens here // Warning: (179-193): Assertion violation happens here