contract C { mapping (uint => uint) map; function f(uint x, uint p) public { require(x == 2); map[p] = 10; map[p] /= map[p] / x; assert(map[p] == x); assert(map[p] == 0); } } // ==== // SMTEngine: all // SMTIgnoreOS: macos // ---- // Warning 6328: (162-181): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 2\np = 0\n\nTransaction trace:\nC.constructor()\nC.f(2, 0)