mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
28 lines
668 B
Solidity
28 lines
668 B
Solidity
library L {
|
|
function l(address payable a) internal {
|
|
require(a != address(this));
|
|
a.transfer(1);
|
|
}
|
|
}
|
|
|
|
contract C {
|
|
using L for address payable;
|
|
uint x;
|
|
function f(address payable a) public payable {
|
|
require(msg.value > 1);
|
|
uint b1 = address(this).balance;
|
|
a.l();
|
|
uint b2 = address(this).balance;
|
|
assert(b1 == b2); // should fail
|
|
assert(b1 == b2 + 1); // should hold
|
|
assert(x == 0); // should hold
|
|
}
|
|
}
|
|
// ====
|
|
// SMTEngine: all
|
|
// SMTIgnoreCex: yes
|
|
// ----
|
|
// Warning 6328: (315-331): CHC: Assertion violation happens here.
|
|
// Info 1180: Contract invariant(s) for :C:\n(x <= 0)\n
|
|
// Warning 1236: (87-100): BMC: Insufficient funds happens here.
|