solidity/test/libsolidity/smtCheckerTests/array_members/push_as_lhs_bytes.sol

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pragma experimental SMTChecker;
contract C {
bytes b;
function f() public {
require(b.length == 0);
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b.push() = bytes1(uint8(1));
assert(b[0] == bytes1(uint8(1)));
}
function g() public {
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bytes1 one = bytes1(uint8(1));
b.push() = one;
assert(b[b.length - 1] == one);
// Fails
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assert(b[b.length - 1] == bytes1(uint8(100)));
}
}
// ----
// Warning 6328: (298-343): CHC: Assertion violation happens here.\nCounterexample:\nb = [1]\n\n\n\nTransaction trace:\nC.constructor()\nState: b = []\nC.g()