solidity/test/libsolidity/smtCheckerTests/overflow/signed_sub_overflow.sol

pragma experimental SMTChecker;

contract C  {
	function f(int x, int y) public pure returns (int) {
		return x - y;
	}
}
// ----
// Warning 3944: (110-115): CHC: Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here.
// Warning 4984: (110-115): CHC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.
Update overflow tests 2020-08-11 11:39:23 +00:00			`pragma experimental SMTChecker;`

			`contract C {`
			`function f(int x, int y) public pure returns (int) {`
			`return x - y;`
			`}`
			`}`
			`// ----`
[SMTChecker] Add engine prefix to verification target error messages 2020-09-25 17:09:06 +00:00			`// Warning 3944: (110-115): CHC: Underflow (resulting value less than -57896044618658097711785492504343953926634992332820282019728792003956564819968) happens here.`
			`// Warning 4984: (110-115): CHC: Overflow (resulting value larger than 0x80 * 2**248 - 1) happens here.`