solidity/test/libsolidity/smtCheckerTests/overflow/overflow_mul_cex_with_array.sol
2020-12-29 22:17:44 +01:00

11 lines
769 B
Solidity

pragma experimental SMTChecker;
contract C {
function f(bytes calldata x, uint y) external pure {
x[8][0];
x[8][5*y];
}
}
// ----
// Warning 4984: (118-121): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.\nCounterexample:\n\nx = [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 18, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15]\ny = 23158417847463239084714197001737581570653996933128112807891516801582625927988\n\n\nTransaction trace:\nconstructor()\nf([15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 18, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15], 23158417847463239084714197001737581570653996933128112807891516801582625927988)