Sounds reasonable.
I did the above and now rmands finds all the libs:
ldd /opt/hfs12.1.125/bin/rmands
linux-vdso.so.1 => (0x00007fff61771000)
libjemalloc.so.1 => /opt/hfs12.1.125/bin/../dsolib/libjemalloc.so.1 (0x00007f9861e0d000)
libHoudiniPRM.so => /opt/hfs12.1.125/bin/../dsolib/libHoudiniPRM.so (0x00007f986179a000)
libHoudiniUT.so => /opt/hfs12.1.125/bin/../dsolib/libHoudiniUT.so (0x00007f985ffdc000)
libtiff.so.4 => /opt/hfs12.1.125/bin/../dsolib/libtiff.so.4 (0x00007f985fd79000)
libjpeg.so.62 => /opt/hfs12.1.125/bin/../dsolib/libjpeg.so.62 (0x00007f985fb54000)
libOpenCL.so.1 => /opt/hfs12.1.125/bin/../dsolib/libOpenCL.so.1 (0x00007f985f94f000)
libxml2.so.2 => /opt/hfs12.1.125/bin/../dsolib/libxml2.so.2 (0x00007f985f5ff000)
libiconv.so.2 => /opt/hfs12.1.125/bin/../dsolib/libiconv.so.2 (0x00007f985f322000)
libtbb.so.2 => /opt/hfs12.1.125/bin/../dsolib/libtbb.so.2 (0x00007f985f0f2000)
libtbbmalloc.so.2 => /opt/hfs12.1.125/bin/../dsolib/libtbbmalloc.so.2 (0x00007f985eed0000)
libboost_regex-gcc44-mt-1_46_1.so.1.46.1 => /opt/hfs12.1.125/bin/../dsolib/libboost_regex-gcc44-mt-1_46_1.so.1.46.1 (0x00007f985ebea000)
libdl.so.2 => /lib64/libdl.so.2 (0x0000003ccda00000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x0000003ccd200000)
libresolv.so.2 => /lib64/libresolv.so.2 (0x0000003ccee00000)
libdwelf.so => /opt/hfs12.1.125/bin/../dsolib/libdwelf.so (0x00007f985e99b000)
libboost_iostreams-gcc44-mt-1_46_1.so.1.46.1 => /opt/hfs12.1.125/bin/../dsolib/libboost_iostreams-gcc44-mt-1_46_1.so.1.46.1 (0x00007f985e783000)
libz.so.1 => /opt/hfs12.1.125/bin/../dsolib/libz.so.1 (0x00007f985e56a000)
libboost_thread-gcc44-mt-1_46_1.so.1.46.1 => /opt/hfs12.1.125/bin/../dsolib/libboost_thread-gcc44-mt-1_46_1.so.1.46.1 (0x00007f985e351000)
libboost_date_time-gcc44-mt-1_46_1.so.1.46.1 => /opt/hfs12.1.125/bin/../dsolib/libboost_date_time-gcc44-mt-1_46_1.so.1.46.1 (0x00007f985e13e000)
libprman-15.2.so => /opt/pixar/RenderManProServer-17.0/lib/libprman-15.2.so (0x00007f985c9b7000)
libstdc++.so.6 => /lib64/libstdc++.so.6 (0x0000003cd5200000)
libm.so.6 => /lib64/libm.so.6 (0x0000003ccd600000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x0000003cd0600000)
libc.so.6 => /lib64/libc.so.6 (0x0000003ccce00000)
/lib64/ld-linux-x86-64.so.2 (0x0000003ccca00000)
librt.so.1 => /lib64/librt.so.1 (0x0000003ccde00000)
It now lists only one libprman reference instead of three like before, but still the error persists.
Even though I also added the verbose flag to slo2otl.py the output is very limited so I can't really debug what's going wrong.
Any other ideas?
Thanks again,
–Markus