/usr/share/man/man1/jmodeltest.1.gz is in jmodeltest 2.1.10+dfsg-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/runjmodeltest-gui.1.gz
/usr/share/man/man1/runjmodeltest-gui.1.gz