solidity/test/libsolidity/smtCheckerTests/inheritance/base_contract_assertion_fail_5.sol
2021-01-28 18:51:29 +01:00

33 lines
707 B
Solidity

pragma experimental SMTChecker;
contract A {
uint x;
function f() internal virtual {
v();
assert(x == 0); // should hold
assert(x == 2); // should fail
}
function v() internal virtual {
x = 0;
}
}
contract B is A {
function f() internal virtual override {
super.f();
}
}
contract C is B {
function g() public {
x = 1;
f();
}
function v() internal override {
x = 2;
super.v();
}
}
// ----
// Warning 6328: (130-144): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n\nTransaction trace:\nC.constructor()\nState: x = 0\nC.g()\n B.f() -- internal call\n A.f() -- internal call\n C.v() -- internal call\n A.v() -- internal call