pragma experimental SMTChecker; contract C { uint[] array; function f(uint x, uint p) public { require(x == 2); array[p] = 10; array[p] /= array[p] / x; assert(array[p] == x); assert(array[p] == 0); } } // ---- // Warning 6328: (188-209): CHC: Assertion violation happens here.\nCounterexample:\narray = []\nx = 2\np = 0\n\nTransaction trace:\nC.constructor()\nState: array = []\nC.f(2, 0)