/usr/lib/x86_64-linux-gnu/irsim/prm/ is in irsim 9.7.93-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/irsim/prm/amiabn.80.n99z.5.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/amic5.30.n98s.3.3.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/amicwl.50.n97l.5.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/hpcmos10.20.n98v.3.3.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/hpcmos14.30.n9ae.3.3.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/hpcmos26.40.n88x.5.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/orbit.60.n96e.5.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/scmos100.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/scmos1_6um.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/scmos2um.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/scmos30.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/scmos35.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/scmos50_3v.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/scmos50_5v.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/scmos60.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/tsmc18.10.nxxx.1.8.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/tsmc25.15.n99y.2.5.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/tsmc35.20.n98t.3.3.prm
/usr/lib/x86_64-linux-gnu/irsim/prm/tsmc35p.20.n98tp.3.3.prm