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[SMTChecker] Fix internal error when array.push() is used as LHS of assignment

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This commit is contained in:
Leonardo Alt
2020-11-02 13:32:53 +00:00
parent 1e812e7acc
commit e38d0db683
15 changed files with 245 additions and 15 deletions
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test/libsolidity/smtCheckerTests/operators/delete_array_push.sol
+20
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pragma experimental SMTChecker;
contract C {
int[][] array2d;
function s() public returns (int[] memory) {
delete array2d.push();
assert(array2d[array2d.length - 1].length == 0);
// Fails
assert(array2d[array2d.length - 1].length != 0);
delete array2d.push().push();
uint length = array2d.length;
uint length2 = array2d[length - 1].length;
assert(array2d[length - 1][length2 - 1] == 0);
// Fails
assert(array2d[length - 1][length2 - 1] != 0);
return array2d[2];
}
}
// ----
// Warning 6328: (198-245): CHC: Assertion violation happens here.
// Warning 6328: (418-463): CHC: Assertion violation happens here.