mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
19 lines
439 B
Solidity
19 lines
439 B
Solidity
pragma experimental SMTChecker;
|
|
|
|
contract C
|
|
{
|
|
function f(uint x) public pure {
|
|
require(x < 100);
|
|
do {
|
|
// Overflows due to resetting x.
|
|
x = x + 1;
|
|
} while (x < 1000);
|
|
// The assertion is true but we can't infer so
|
|
// because x is touched in the loop.
|
|
assert(x > 0);
|
|
}
|
|
}
|
|
// ----
|
|
// Warning: (269-282): Assertion violation happens here
|
|
// Warning: (150-155): Overflow (resulting value larger than 2**256 - 1) happens here
|