mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
26 lines
409 B
Solidity
26 lines
409 B
Solidity
pragma experimental SMTChecker;
|
|
|
|
contract C
|
|
{
|
|
uint x;
|
|
|
|
modifier m {
|
|
require(x > 0);
|
|
_;
|
|
// Fails because of overflow behavior.
|
|
assert(x > 1);
|
|
}
|
|
|
|
function f() m public {
|
|
assert(x > 0);
|
|
x = x + 1;
|
|
}
|
|
|
|
function g(uint _x) public {
|
|
x = _x;
|
|
}
|
|
}
|
|
// ----
|
|
// Warning: (203-208): Overflow (resulting value larger than 2**256 - 1) happens here
|
|
// Warning: (136-149): Assertion violation happens here
|