2021-01-25 17:17:56 +00:00
|
|
|
contract A {
|
|
|
|
int public x;
|
|
|
|
function f() public virtual {
|
|
|
|
x = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
contract B is A {
|
|
|
|
function f() public virtual override {
|
|
|
|
super.f();
|
|
|
|
x += 100;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
contract C is B {
|
|
|
|
function f() public virtual override {
|
|
|
|
super.f();
|
|
|
|
x += 10;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
contract D is B {
|
|
|
|
}
|
|
|
|
|
|
|
|
contract E is C,D {
|
|
|
|
function f() public override(C,B) {
|
|
|
|
super.f();
|
|
|
|
assert(x == 111); // should hold
|
|
|
|
assert(x == 13); // should fail
|
|
|
|
}
|
|
|
|
}
|
2021-03-31 15:11:54 +00:00
|
|
|
// ====
|
|
|
|
// SMTEngine: all
|
2021-01-25 17:17:56 +00:00
|
|
|
// ----
|
2023-02-09 16:07:13 +00:00
|
|
|
// Warning 6328: (379-394): CHC: Assertion violation happens here.
|
|
|
|
// Info 1391: CHC: 3 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.
|