pragma experimental SMTChecker; 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; } } // ---- // Warning 4984: (120-125): CHC: Overflow (resulting value larger than 255) happens here. // Warning 4984: (163-168): CHC: Overflow (resulting value larger than 255) happens here.