pragma experimental SMTChecker; contract C { function f() public pure { uint8 x = 0xff; assert(~x == 0x00); uint16 y = 0xff00; assert(~y == 0xff); assert(~y == 0xffff); assert(~y == 0x0000); } } // ---- // Warning 6328: (159-179): Assertion violation happens here. // Warning 6328: (183-203): Assertion violation happens here.