solidity/test/libsolidity/smtCheckerTests/operators/compound_sub.sol
2022-04-01 23:41:18 -05:00

15 lines
339 B
Solidity

contract C
{
function f(uint x) public pure {
require(x < 100);
uint y = 200;
y -= y - x;
assert(y >= 0);
assert(y < 90);
}
}
// ====
// SMTEngine: all
// ----
// Warning 6328: (117-131='assert(y < 90)'): CHC: Assertion violation happens here.\nCounterexample:\n\nx = 90\ny = 90\n\nTransaction trace:\nC.constructor()\nC.f(90)