solidity/test/libsolidity/smtCheckerTests/operators/conditional_assignment_5.sol
2021-01-04 10:03:16 +01:00

28 lines
639 B
Solidity

pragma experimental SMTChecker;
abstract contract D {
function d() public virtual ;
}
contract C {
bool a;
uint x;
D d;
function g() public returns (uint) {
x = 2;
d.d();
return x;
}
function f() public {
x = 1;
uint y = g();
assert(x == 2 || x == 1);
}
function h() public {
x = 3;
}
}
// ----
// Warning 2072: (282-288): Unused local variable.
// Warning 6328: (304-328): CHC: Assertion violation happens here.\nCounterexample:\na = false, x = 3, d = 0\n\n = 0\n\nTransaction trace:\nC.constructor()\nState: a = false, x = 0, d = 0\nC.g()