contract C { function f() public payable { assert ((5 + msg.value + msg.value) - (4 + msg.value) > 0); } } // ==== // SMTEngine: all // ---- // Warning 4984: (55-68): CHC: Overflow (resulting value larger than 2**256 - 1) happens here. // Warning 4984: (55-80): CHC: Overflow (resulting value larger than 2**256 - 1) happens here. // Info 1391: CHC: 3 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.