solidity/test/libsolidity/smtCheckerTests/array_members/length_1d_mapping_array_2d_1.sol

pragma experimental SMTChecker;

contract C {
	mapping (uint => uint[][]) map;
	function f(uint x, uint y) public view {
		require(x == y);
		assert(map[x][0].length == map[y][0].length);
	}
}