solidity/test/libsolidity/smtCheckerTests/try_catch/try_5.sol

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abstract contract D {
function d() external virtual;
}
contract C {
int x;
D d;
function set(int n) public {
require(n < 100);
x = n;
}
function f() public {
x = 0;
try d.d() {
assert(x < 100); // should hold
} catch {
assert(x == 0); // should hold, all changes to x has been reverted
assert(x == 1); // should fail
}
}
}
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// ====
// SMTEngine: all
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// ----
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// Warning 6328: (315-329): CHC: Assertion violation happens here.
// Info 1391: CHC: 2 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.