pragma experimental SMTChecker; contract C { uint[][] public a; function f() public view { uint y = this.a(2,3); assert(y == a[2][3]); // should hold assert(y == 1); // should fail } } // ---- // Warning 6328: (160-174): CHC: Assertion violation happens here.\nCounterexample:\na = []\n\n\n\nTransaction trace:\nC.constructor()\nState: a = []\nC.f()