/usr/lib/x86_64-linux-gnu/libui-gxmlcpp.so.5 is in libui-gxmlcpp5v5 1.4.3-2build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libui-gxmlcpp.so.5.0.1
/usr/lib/x86_64-linux-gnu/libui-gxmlcpp.so.5.0.1