solidity/test/libsolidity/smtCheckerTests/functions/functions_external_2.sol

pragma experimental SMTChecker;

abstract contract D
{
	function g(uint x) public virtual;
}

contract C
{
	mapping (uint => uint) map;
	function f(uint y, D d) public {
		require(map[0] == map[1]);
		assert(map[0] == map[1]);
		d.g(y);
		// Storage knowledge is cleared after an external call.
		assert(map[0] == map[1]);
	}
}
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