mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
24 lines
947 B
Solidity
24 lines
947 B
Solidity
pragma experimental SMTChecker;
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library l1 {
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uint private constant TON = 1000;
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function f1() public pure {
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assert(TON == 1000);
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assert(TON == 2000);
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}
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function f2(uint x, uint y) internal pure returns (uint) {
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return x + y;
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}
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}
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contract C {
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function f(uint x) public pure {
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uint z = l1.f2(x, 1);
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assert(z == x + 1);
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}
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}
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// ----
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// Warning 6328: (136-155): CHC: Assertion violation happens here.\nCounterexample:\nTON = 1000\n\nTransaction trace:\nl1.constructor()\nState: TON = 1000\nl1.f1()
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// Warning 4984: (229-234): 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
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