contract C { mapping (uint => uint) public map; function f() public view { uint y = this.map(2); assert(y == map[2]); // should hold assert(y == 1); // should fail } } // ==== // SMTEngine: all // SMTIgnoreCex: no // ---- // Warning 6328: (142-156): CHC: Assertion violation happens here.\nCounterexample:\n\ny = 0\n\nTransaction trace:\nC.constructor()\nC.f() // Info 1391: CHC: 1 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.