mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
21 lines
856 B
Solidity
21 lines
856 B
Solidity
pragma experimental SMTChecker;
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contract C {
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int[][] array2d;
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function s() public returns (int[] memory) {
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delete array2d.push();
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assert(array2d[array2d.length - 1].length == 0);
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// Fails
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assert(array2d[array2d.length - 1].length != 0);
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delete array2d.push().push();
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uint length = array2d.length;
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uint length2 = array2d[length - 1].length;
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assert(array2d[length - 1][length2 - 1] == 0);
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// Fails
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assert(array2d[length - 1][length2 - 1] != 0);
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return array2d[2];
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}
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}
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// ----
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// Warning 6328: (198-245): CHC: Assertion violation happens here.\nCounterexample:\narray2d = [[]]\n\n = []\n\nTransaction trace:\nC.constructor()\nState: array2d = []\nC.s()
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// Warning 6328: (418-463): CHC: Assertion violation happens here.\nCounterexample:\narray2d = [[], [0]]\n\n = []\n\nTransaction trace:\nC.constructor()\nState: array2d = []\nC.s()
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