solidity/test/libsolidity/smtCheckerTests/modifiers/modifier_control_flow.sol

contract C
{
	uint x;

	modifier m {
		if (x == 0)
			_;
	}

	function f() m public view {
		assert(x == 0);
		assert(x > 1);
	}
}
// ====
// SMTEngine: all
// ----
// Warning 6328: (111-124): CHC: Assertion violation happens here.
// Info 1391: CHC: 1 verification condition(s) proved safe! Enable the model checker option "show proved safe" to see all of them.