solidity/test/libsolidity/smtCheckerTests/inheritance/base_contract_assertion_fail_9.sol
Martin Blicha cdfc19b503 SMTChecker: Bring back counterexample checks in regression tests
Since the default is now to ignore the counterexamples when checking
test output, we bring back counterexample checks in tests where the
counterexample is (mostly) deterministic.
2023-07-25 12:26:21 +02:00

35 lines
1007 B
Solidity

contract A {
uint x;
function f() public virtual {
v();
assert(x == 0); // should fail when C is the most derived contract
assert(x == 2); // should fail when A is the most derived contract
}
function v() internal virtual {
x = 0;
}
}
contract B is A {
function f() public virtual override {
super.f();
}
}
contract C is B {
function g() public {
x = 1;
f();
}
function v() internal override {
x = 2;
}
}
// ====
// SMTEngine: all
// SMTIgnoreCex: no
// ----
// Warning 6328: (62-76): CHC: Assertion violation happens here.\nCounterexample:\nx = 2\n\nTransaction trace:\nC.constructor()\nState: x = 0\nB.f()\n A.f() -- internal call\n C.v() -- internal call
// Warning 6328: (131-145): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n\nTransaction trace:\nA.constructor()\nState: x = 0\nA.f()\n A.v() -- internal call
// Info 1391: CHC: 1 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.