contract C { function f(uint8 x) public pure returns (uint8) { x = 100; uint8 y = x * 3; assert(y == 44); x = 128; y = x * 4; assert(y == 0); return y; } } // ==== // SMTEngine: all // ---- // Warning 4984: (87-92): CHC: Overflow (resulting value larger than 255) happens here. // Info 1391: CHC: 3 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.