pragma experimental SMTChecker; contract C { uint[] a; uint[][] b; function f(uint x, uint y, uint v) public { a[x] = v; delete a; assert(a[y] == 0); } function g(uint x, uint y, uint v) public { b[x][y] = v; delete b; assert(b[y][x] == 0); } function h(uint x, uint y, uint v) public { b[x][y] = v; delete b[x]; // Not necessarily the case. // Removed because current Spacer seg faults in cex generation. //assert(b[y][x] == 0); } function i(uint x, uint y, uint v) public { b[x][y] = v; delete b[y]; assert(b[y][x] == 0); } function j(uint x, uint y, uint z, uint v) public { b[x][y] = v; delete b[z]; // Not necessarily the case. assert(b[y][x] == 0); } function setA(uint x, uint y) public { a[x] = y; } function setB(uint x, uint y, uint z) public { b[x][y] = z; } } // ---- // Warning 6328: (685-705): CHC: Assertion violation happens here.