solidity/test/libsolidity/smtCheckerTests/external_calls/external_inc.sol

24 lines
611 B
Solidity

pragma experimental SMTChecker;
abstract contract D {
function d() external virtual;
}
contract C {
uint x;
D d;
function inc() public {
++x;
}
function f() public {
d.d();
assert(x < 10);
}
}
// ----
// Warning 4984: (146-149): CHC: Overflow (resulting value larger than 2**256 - 1) might happen here.
// Warning 6328: (189-203): CHC: Assertion violation happens here.\nCounterexample:\nx = 10, d = 0\n\n\n\nTransaction trace:\nconstructor()\nState: x = 0, d = 0\ninc()\nState: x = 1, d = 0\nf()
// Warning 2661: (146-149): BMC: Overflow (resulting value larger than 2**256 - 1) happens here.