/usr/ is in libsuperlu-dist-dev 5.3.0+dfsg1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/superlu-dist/
/usr/include/superlu-dist/Cnames.h
/usr/include/superlu-dist/colamd.h
/usr/include/superlu-dist/cublas_utils.h
/usr/include/superlu-dist/dcomplex.h
/usr/include/superlu-dist/machines.h
/usr/include/superlu-dist/psymbfact.h
/usr/include/superlu-dist/superlu_ddefs.h
/usr/include/superlu-dist/superlu_defs.h
/usr/include/superlu-dist/superlu_dist_config.h
/usr/include/superlu-dist/superlu_enum_consts.h
/usr/include/superlu-dist/superlu_zdefs.h
/usr/include/superlu-dist/supermatrix.h
/usr/include/superlu-dist/util_dist.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/superlu_dist.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libsuperlu-dist-dev/
/usr/share/doc/libsuperlu-dist-dev/copyright
/usr/lib/x86_64-linux-gnu/libsuperlu_dist.so
/usr/share/doc/libsuperlu-dist-dev/changelog.Debian.gz