solidity/test/libsolidity/smtCheckerTests/loops/for_1_false_positive.sol
2020-07-23 13:46:41 +02:00

21 lines
504 B
Solidity

pragma experimental SMTChecker;
contract C
{
function f(uint x) public pure {
require(x < 100);
for(uint i = 0; i < 10; ++i) {
// Overflows due to resetting x.
x = x + 1;
}
// Assertion is safe but current solver version cannot solve it.
// Keep test for next solver release.
assert(x > 0);
}
}
// ====
// SMTSolvers: cvc4
// ----
// Warning 2661: (176-181): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning 4661: (296-309): Assertion violation happens here