solidity/test/libsolidity/smtCheckerTests/operators/compound_sub.sol
2021-01-04 10:03:16 +01:00

15 lines
323 B
Solidity

pragma experimental SMTChecker;
contract C
{
function f(uint x) public pure {
require(x < 100);
uint y = 200;
y -= y - x;
assert(y >= 0);
assert(y < 90);
}
}
// ----
// Warning 6328: (150-164): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 90\n\n\nTransaction trace:\nC.constructor()\nC.f(90)