solidity/test/libsolidity/smtCheckerTests/functions/library_constant.sol
2021-04-08 21:03:39 +02:00

24 lines
940 B
Solidity

library l1 {
uint private constant TON = 1000;
function f1() public pure {
assert(TON == 1000);
assert(TON == 2000);
}
function f2(uint x, uint y) internal pure returns (uint) {
return x + y;
}
}
contract C {
function f(uint x) public pure {
uint z = l1.f2(x, 1);
assert(z == x + 1);
}
}
// ====
// SMTEngine: all
// ----
// Warning 6328: (103-122): CHC: Assertion violation happens here.\nCounterexample:\nTON = 1000\n\nTransaction trace:\nl1.constructor()\nState: TON = 1000\nl1.f1()
// Warning 4984: (196-201): CHC: Overflow (resulting value larger than 2**256 - 1) happens here.\nCounterexample:\n\nx = 115792089237316195423570985008687907853269984665640564039457584007913129639935\n\nTransaction trace:\nC.constructor()\nC.f(115792089237316195423570985008687907853269984665640564039457584007913129639935)\n l1.f2(115792089237316195423570985008687907853269984665640564039457584007913129639935, 1) -- internal call