mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
20 lines
454 B
Solidity
20 lines
454 B
Solidity
pragma experimental SMTChecker;
|
|
|
|
interface D { function e() external; }
|
|
|
|
contract C {
|
|
bool locked = true;
|
|
|
|
function call(address target) public {
|
|
locked = false;
|
|
D(target).e();
|
|
locked = true;
|
|
}
|
|
|
|
function broken() public view {
|
|
assert(locked);
|
|
}
|
|
}
|
|
// ----
|
|
// Warning 6328: (239-253): CHC: Assertion violation happens here.\nCounterexample:\nlocked = false\ntarget = 0\n\n\nTransaction trace:\nC.constructor()\nState: locked = true\nC.call(0)
|