contract C { bytes data; function g() public { require(data.length == 0); data.push("b"); assert(data[0] == "b"); // should hold assert(data[0] == "c"); // should fail delete data; data.push(hex"01"); assert(uint8(data[0]) == 1); // should hold assert(uint8(data[0]) == 0); // should fail } } // ==== // SMTEngine: all // ---- // Warning 6328: (139-161): CHC: Assertion violation happens here.\nCounterexample:\ndata = [98]\n\nTransaction trace:\nC.constructor()\nState: data = []\nC.g() // Warning 6328: (263-290): CHC: Assertion violation happens here.\nCounterexample:\ndata = [1]\n\nTransaction trace:\nC.constructor()\nState: data = []\nC.g()