/usr/lib/libboost_program_options.so is in libboost-program-options1.46-dev 1.46.1-7ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libboost_program_options.so.1.46.1
/usr/lib/libboost_program_options.so.1.46.1