mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
45 lines
1.5 KiB
Solidity
45 lines
1.5 KiB
Solidity
pragma experimental SMTChecker;
|
|
|
|
// 2 warnings, A.f and A.g
|
|
contract A {
|
|
uint x;
|
|
|
|
function f() public virtual view {
|
|
assert(x == 1);
|
|
}
|
|
function g() public view {
|
|
assert(x == 1);
|
|
}
|
|
}
|
|
|
|
// 3 warnings, B.f, B.h, A.g
|
|
contract B is A {
|
|
uint y;
|
|
|
|
function f() public view virtual override {
|
|
assert(x == 1);
|
|
}
|
|
function h() public view {
|
|
assert(x == 1);
|
|
}
|
|
}
|
|
|
|
// 4 warnings, C.f, C.i, B.h, A.g
|
|
contract C is B {
|
|
uint z;
|
|
|
|
function f() public view override {
|
|
assert(x == 1);
|
|
}
|
|
function i() public view {
|
|
assert(x == 1);
|
|
}
|
|
}
|
|
// ----
|
|
// Warning 6328: (121-135): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n\nTransaction trace:\nA.constructor()\nState: x = 0\nA.f()
|
|
// Warning 6328: (170-184): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n\nTransaction trace:\nA.constructor()\nState: x = 0\nA.g()
|
|
// Warning 6328: (296-310): CHC: Assertion violation happens here.\nCounterexample:\ny = 0, x = 0\n\nTransaction trace:\nB.constructor()\nState: y = 0, x = 0\nB.f()
|
|
// Warning 6328: (345-359): CHC: Assertion violation happens here.\nCounterexample:\ny = 0, x = 0\n\nTransaction trace:\nB.constructor()\nState: y = 0, x = 0\nB.h()
|
|
// Warning 6328: (468-482): CHC: Assertion violation happens here.\nCounterexample:\nz = 0, y = 0, x = 0\n\nTransaction trace:\nC.constructor()\nState: z = 0, y = 0, x = 0\nC.f()
|
|
// Warning 6328: (517-531): CHC: Assertion violation happens here.\nCounterexample:\nz = 0, y = 0, x = 0\n\nTransaction trace:\nC.constructor()\nState: z = 0, y = 0, x = 0\nC.i()
|