contract C { function abiEncodeStringLiteral() public pure { bytes memory b1 = abi.encode(""); bytes memory b2 = abi.encode(""); // should hold, but currently fails due to string literal abstraction assert(b1.length == b2.length); bytes memory b3 = abi.encode(bytes("")); assert(b1.length == b3.length); // should fail bytes memory b4 = abi.encode(bytes24("")); // should hold, but currently fails due to string literal abstraction assert(b1.length == b4.length); bytes memory b5 = abi.encode(string("")); assert(b1.length == b5.length); // should fail } } // ==== // SMTEngine: all // SMTIgnoreOS: macos // ---- // Warning 6328: (208-238): CHC: Assertion violation happens here.\nCounterexample:\n\nb3 = []\nb4 = []\nb5 = []\n\nTransaction trace:\nC.constructor()\nC.abiEncodeStringLiteral() // Warning 6328: (286-316): CHC: Assertion violation happens here.\nCounterexample:\n\nb2 = [0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d]\nb3 = [0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d, 0x6d]\nb4 = []\nb5 = []\n\nTransaction trace:\nC.constructor()\nC.abiEncodeStringLiteral() // Warning 6328: (453-483): CHC: Assertion violation happens here.\nCounterexample:\n\nb5 = []\n\nTransaction trace:\nC.constructor()\nC.abiEncodeStringLiteral() // Warning 6328: (532-562): CHC: Assertion violation happens here.\nCounterexample:\n\nb3 = [0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca, 0xca]\n\nTransaction trace:\nC.constructor()\nC.abiEncodeStringLiteral()