contract C { int[][] array2d; function s() public { delete array2d.push(); assert(array2d[array2d.length - 1].length == 0); // Fails assert(array2d[array2d.length - 1].length != 0); delete array2d.push().push(); uint length = array2d.length; uint length2 = array2d[length - 1].length; assert(array2d[length - 1][length2 - 1] == 0); // Fails assert(array2d[length - 1][length2 - 1] != 0); } } // ==== // SMTEngine: all // ---- // Warning 6328: (143-190): CHC: Assertion violation happens here.\nCounterexample:\narray2d = [[]]\nlength = 0\nlength2 = 0\n\nTransaction trace:\nC.constructor()\nState: array2d = []\nC.s() // Warning 6328: (363-408): CHC: Assertion violation happens here.\nCounterexample:\narray2d = [[], [0]]\nlength = 2\nlength2 = 1\n\nTransaction trace:\nC.constructor()\nState: array2d = []\nC.s()