pragma experimental SMTChecker; contract C { uint[][][] c; function f() public { require(c.length == 0); c.push().push().push() = 2; assert(c.length == 1); assert(c[0].length == 1); assert(c[0][0].length == 1); assert(c[0][0][0] == 2); } function g() public { c.push().push().push() = 2; uint length1 = c.length; uint length2 = c[length1 - 1].length; uint length3 = c[length1 - 1][length2 - 1].length; assert(length1 > 0); assert(length2 == 1); assert(length3 == 1); assert(c[length1 - 1][length2 - 1][length3 - 1] == 2); // Fails assert(c[length1 - 1][length2 - 1][length3 - 1] == 200); } } // ---- // Warning 6328: (570-625): CHC: Assertion violation might happen here. // Warning 4661: (570-625): BMC: Assertion violation happens here.