contract C { uint[2] public x = [42,1]; function f() public view { assert(this.x(0) == x[0]); // should hold assert(this.x(1) == x[1]); // should hold assert(this.x(0) == 0); // should fail } } // ==== // SMTEngine: all // ---- // Warning 6328: (162-184): CHC: Assertion violation happens here.\nCounterexample:\nx = [42, 1]\n\nTransaction trace:\nC.constructor()\nState: x = [42, 1]\nC.f() // Info 1180: Contract invariant(s) for :C:\n!(x.length <= 1)\n