/usr/lib/libart_lgpl_2.so.2 is in libart-2.0-2 2.3.21-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libart_lgpl_2.so.2.3.21
/usr/lib/libart_lgpl_2.so.2.3.21