/usr/lib/ is in chimeraslayer 20101212+dfsg1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ChimeraSlayer/
/usr/lib/ChimeraSlayer/util/
/usr/lib/ChimeraSlayer/util/CS_add_taxonomy.pl
/usr/lib/ChimeraSlayer/util/merge_CM_CS_outputs.pl
/usr/lib/ChimeraSlayer/util/merge_CS_n_CM_breakpoints.pl
/usr/lib/ChimeraSlayer/util/breakpoint_to_profile.pl
/usr/lib/ChimeraSlayer/util/CMCS_to_treeImg.pl
/usr/lib/ChimeraSlayer/ChimeraPhyloChecker/
/usr/lib/ChimeraSlayer/ChimeraPhyloChecker/CPS_to_CPC.pl
/usr/lib/ChimeraSlayer/ChimeraPhyloChecker/ChimeraPhyloChecker.pl
/usr/lib/ChimeraSlayer/ChimeraParentSelector/
/usr/lib/ChimeraSlayer/ChimeraParentSelector/CPC_to_CPS.pl
/usr/lib/ChimeraSlayer/ChimeraParentSelector/CM_plotter.pl
/usr/lib/ChimeraSlayer/ChimeraParentSelector/chimeraParentSelector.pl
/usr/lib/ChimeraSlayer/ChimeraParentSelector/CPS_to_RENAST.pl
/usr/lib/ChimeraSlayer/ChimeraParentSelector/run_chimeraParentSelector.pl
/usr/lib/ChimeraSlayer/ChimeraSlayer.pl
/usr/lib/ChimeraSlayer/PerlLib/
/usr/lib/ChimeraSlayer/PerlLib/NAST_to_Eco_coords.pm
/usr/lib/ChimeraSlayer/PerlLib/TaxonomyGraph.pm
/usr/lib/ChimeraSlayer/PerlLib/CdbTools.pm
/usr/lib/ChimeraSlayer/PerlLib/Fasta_reader.pm
/usr/lib/ChimeraSlayer/PerlLib/AlignCompare.pm
/usr/lib/ChimeraSlayer/PerlLib/BHStats.pm