contract C { mapping (uint => uint[]) public m; constructor() { m[0].push(); m[0].push(); m[0][1] = 42; } function f() public view { uint y = this.m(0,1); assert(y == m[0][1]); // should hold assert(y == 1); // should fail } } // ==== // SMTEngine: all // ---- // Warning 6328: (210-224): CHC: Assertion violation happens here.\nCounterexample:\n\ny = 42\n\nTransaction trace:\nC.constructor()\nC.f()