solidity/test/libsolidity/smtCheckerTests/loops/for_1_false_positive.sol

22 lines
738 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;
}
// The assertion is true but x is touched and reset.
assert(x > 0);
}
}
// ----
// Warning: (244-257): Assertion violation happens here
// Warning: (176-181): Underflow (resulting value less than 0) happens here
// Warning: (176-181): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning: (172-181): Underflow (resulting value less than 0) happens here
// Warning: (172-181): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning: (126-129): Overflow (resulting value larger than 2**256 - 1) happens here