2020-11-26 16:14:58 +00:00
|
|
|
pragma experimental SMTChecker;
|
|
|
|
|
|
|
|
contract C {
|
|
|
|
address public x;
|
|
|
|
address payable public y;
|
|
|
|
|
|
|
|
function f() public view {
|
|
|
|
address a = this.x();
|
|
|
|
address b = this.y();
|
|
|
|
assert(a == x); // should hold
|
|
|
|
assert(a == address(this)); // should fail
|
|
|
|
assert(b == y); // should hold
|
|
|
|
assert(y == address(this)); // should fail
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// ----
|
2021-01-06 15:06:15 +00:00
|
|
|
// Warning 6328: (204-230): CHC: Assertion violation happens here.\nCounterexample:\nx = 0, y = 0\n\nTransaction trace:\nC.constructor()\nState: x = 0, y = 0\nC.f()
|
|
|
|
// Warning 6328: (282-308): CHC: Assertion violation happens here.\nCounterexample:\nx = 0, y = 0\n\nTransaction trace:\nC.constructor()\nState: x = 0, y = 0\nC.f()
|