solidity/test/libsolidity/smtCheckerTests/special/event.sol

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pragma experimental SMTChecker;
contract C {
event Nudge();
event SomeArgs(uint, uint);
event Caller(address, uint);
function f() payable external {
emit Nudge();
emit SomeArgs(134, 567);
emit Caller(msg.sender, msg.value);
}
function g_data() pure internal returns (uint) {
assert(true);
}
function g() external {
emit SomeArgs(g_data(), g_data());
}
bool x = true;
function h_data() view internal returns (uint) {
assert(x);
}
function h() external {
x = false;
emit SomeArgs(h_data(), h_data());
}
}
// ----
// Warning 6321: (280-284): Unnamed return variable can remain unassigned. Add an explicit return with value to all non-reverting code paths or name the variable.
// Warning 6321: (430-434): Unnamed return variable can remain unassigned. Add an explicit return with value to all non-reverting code paths or name the variable.
// Warning 6328: (440-449): CHC: Assertion violation happens here.\nCounterexample:\nx = false\n\n\n\nTransaction trace:\nconstructor()\nState: x = true\nh()