pragma experimental SMTChecker; contract C { function f(uint x) public pure { require(x < 100); for(uint i = 0; i < 10; ++i) { // Overflows due to resetting x. x = x + 1; } assert(x < 14); } } // ==== // SMTSolvers: z3 // ---- // Warning 6328: (189-203): CHC: Assertion violation happens here. // Warning 2661: (176-181): BMC: Overflow (resulting value larger than 2**256 - 1) happens here.