Check the log file at '/usr/local/flamenco/instances/Reference-Library_-_19-02-06/log.txt' for more details. Here are the last few lines:
7ff587644000-7ff587844000 ---p 00002000 ca:01 662713 /lib64/libdl-2.17.so
7ff587844000-7ff587845000 r--p 00002000 ca:01 662713 /lib64/libdl-2.17.so
7ff587845000-7ff587846000 rw-p 00003000 ca:01 662713 /lib64/libdl-2.17.so
7ff587846000-7ff58785d000 r-xp 00000000 ca:01 662782 /lib64/libpthread-2.17.so
7ff58785d000-7ff587a5c000 ---p 00017000 ca:01 662782 /lib64/libpthread-2.17.so
7ff587a5c000-7ff587a5d000 r--p 00016000 ca:01 662782 /lib64/libpthread-2.17.so
7ff587a5d000-7ff587a5e000 rw-p 00017000 ca:01 662782 /lib64/libpthread-2.17.so
7ff587a5e000-7ff587a62000 rw-p 00000000 00:00 0
7ff587a62000-7ff587be1000 r-xp 00000000 ca:01 797003 /usr/lib64/libpython2.7.so.1.0
7ff587be1000-7ff587de1000 ---p 0017f000 ca:01 797003 /usr/lib64/libpython2.7.so.1.0
7ff587de1000-7ff587e20000 rw-p 0017f000 ca:01 797003 /usr/lib64/libpython2.7.so.1.0
7ff587e20000-7ff587e41000 rw-p 00000000 00:00 0
7ff587e41000-7ff587e63000 r-xp 00000000 ca:01 662687 /lib64/ld-2.17.so
7ff587e67000-7ff587f67000 rw-p 00000000 00:00 0
7ff587f98000-7ff58805d000 rw-p 00000000 00:00 0
7ff58805f000-7ff588062000 rw-p 00000000 00:00 0
7ff588062000-7ff588063000 r--p 00021000 ca:01 662687 /lib64/ld-2.17.so
7ff588063000-7ff588064000 rw-p 00022000 ca:01 662687 /lib64/ld-2.17.so
7ff588064000-7ff588065000 rw-p 00000000 00:00 0
7ffeb6c37000-7ffeb6c58000 rw-p 00000000 00:00 0 [stack]
7ffeb6c7f000-7ffeb6c82000 r--p 00000000 00:00 0 [vvar]
7ffeb6c82000-7ffeb6c84000 r-xp 00000000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
2 0.08 secs /Reference-Library_-_19-02-06/Wedge?q=facet_12_NAL_Insects%3A93%2Ffacet_13_NAL_NatResEnvSci%3A106