pragma experimental SMTChecker; contract C { uint[] array; function q() public { array.push(); } function f(uint x, uint p) public { require(p < array.length); require(x < 100); array[p] = 200; array[p] -= array[p] - x; assert(array[p] >= 0); assert(array[p] < 90); } } // ==== // SMTIgnoreCex: yes // ---- // Warning 6328: (259-280): CHC: Assertion violation happens here.