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Report out of bounds index access

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This commit is contained in:
Leonardo Alt
2021-03-30 10:28:48 +02:00
parent 2346ec1c0c
commit dbd067d6db
208 changed files with 1619 additions and 608 deletions
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test/libsolidity/smtCheckerTests/operators/delete_array_push.sol
+3 -4
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@@ -1,7 +1,7 @@
pragma experimental SMTChecker;
contract C {
int[][] array2d;
function s() public returns (int[] memory) {
function s() public {
delete array2d.push();
assert(array2d[array2d.length - 1].length == 0);
// Fails
@@ -12,9 +12,8 @@ contract C {
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.\nCounterexample:\narray2d = [[]]\n = []\n\nTransaction trace:\nC.constructor()\nState: array2d = []\nC.s()
// Warning 6328: (418-463): CHC: Assertion violation happens here.\nCounterexample:\narray2d = [[], [0]]\n = []\n\nTransaction trace:\nC.constructor()\nState: array2d = []\nC.s()
// Warning 6328: (175-222): CHC: Assertion violation happens here.\nCounterexample:\narray2d = [[]]\n\nTransaction trace:\nC.constructor()\nState: array2d = []\nC.s()
// Warning 6328: (395-440): CHC: Assertion violation happens here.\nCounterexample:\narray2d = [[], [0]]\n\nTransaction trace:\nC.constructor()\nState: array2d = []\nC.s()