solidity/test/libsolidity/smtCheckerTests/overflow/signed_div_overflow.sol

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2020-08-11 11:39:23 +00:00
pragma experimental SMTChecker;
contract C {
function f(int x, int y) public pure returns (int) {
return x / y;
}
}
// ----
// Warning 4281: (110-115): CHC: Division by zero happens here.\nCounterexample:\n\nx = 0\ny = 0\n = 0\n\nTransaction trace:\nC.constructor()\nC.f(0, 0)
// Warning 4984: (110-115): CHC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.\nCounterexample:\n\nx = (- 57896044618658097711785492504343953926634992332820282019728792003956564819968)\ny = (- 1)\n = 0\n\nTransaction trace:\nC.constructor()\nC.f((- 57896044618658097711785492504343953926634992332820282019728792003956564819968), (- 1))