solidity/test/libsolidity/smtCheckerTests/out_of_bounds/fixed_bytes_2.sol

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2021-03-23 18:15:14 +00:00
pragma experimental SMTChecker;
contract C {
function r(bytes4 x, uint y) public pure returns (bytes1) {
return x[y]; // oob access
}
}
// ----
// Warning 6368: (116-120): CHC: Out of bounds access happens here.\nCounterexample:\n\nx = 0\ny = 4\n = 0\n\nTransaction trace:\nC.constructor()\nC.r(0, 4)