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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: (176-181): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning: (172-181): Overflow (resulting value larger than 2**256 - 1) happens here
// Warning: (244-257): Assertion violation happens here