runsolver version 3.4.2 (svn: 4680) Copyright (C) 2010-2013 Olivier ROUSSEL
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
NUMA information:
number of nodes: 2
memory of node 0: 63968 MiB (60511 MiB free)
memory of node 1: 64473 MiB (57925 MiB free)
node distances:
10 21
21 10
command line: BIN/runsolver --timestamp --file-size-limit 102400 -w /tmp/evaluation-result-4458202-1721886900/watcher-4458202-1721886900 -o /tmp/evaluation-result-4458202-1721886900/solver-4458202-1721886900 -C 3600 -W 3700 -M 31000 --bin-var /tmp/runsolver-exch-nodeC028-1721886850-226451 --watchdog 3760 HOME/Exact_veripb2_nosoplex --print-uniform=0 --verbosity=0 --print-sol --proof-assumptions=0 --proof-log=PROOFDIR/proof-4458202-1721886900 --seed=1220441506 HOME/instance-4458202-1721886900.opb
running on 2 cores: 5,7
CPU governors:
performance: 5 7
Enforcing FSIZE limit: 104857600 KiB
Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 3600 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 3630 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 3700 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 31744000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 31795200 KiB
Linux 4.18.0-301.1.el8.x86_64
Starting watchdog thread
solver pid=227038, runsolver pid=227035
Current StackSize limit: 8192 KiB
[startup+0.100087 s]*
/proc/loadavg: 3.84 3.99 4.05 5/260 227039
/proc/meminfo: memFree=121267036/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=29520 memory=7812 CPUtime=0.02 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 1640 0 0 0 2 0 0 0 20 0 1 0 25213337 30228480 1953 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 0 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 7380 1953 802 747 0 6443 0
Current children cumulated CPU time: 0.02 s
Current children cumulated vsize: 29520 KiB
Current children cumulated memory: 7812 KiB
[startup+0.204972 s]*
/proc/loadavg: 3.84 3.99 4.05 5/260 227039
/proc/meminfo: memFree=121251316/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=31528 memory=9836 CPUtime=0.12 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 2060 0 0 0 12 0 0 0 20 0 1 0 25213337 32284672 2459 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 0 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 7882 2459 850 747 0 6945 0
Current children cumulated CPU time: 0.12 s
Current children cumulated vsize: 31528 KiB
Current children cumulated memory: 9836 KiB
[startup+0.305532 s]*
/proc/loadavg: 3.84 3.99 4.05 5/260 227039
/proc/meminfo: memFree=121239912/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=31660 memory=12148 CPUtime=0.22 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 2151 0 0 0 22 0 0 0 20 0 1 0 25213337 32419840 3037 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 0 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 7915 3037 850 747 0 6978 0
Current children cumulated CPU time: 0.22 s
Current children cumulated vsize: 31660 KiB
Current children cumulated memory: 12148 KiB
[startup+0.700188 s]
/proc/loadavg: 3.84 3.99 4.05 5/260 227039
/proc/meminfo: memFree=121224844/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=31792 memory=12408 CPUtime=0.61 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 2185 0 0 0 61 0 0 0 20 0 1 0 25213337 32555008 3102 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 0 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 7948 3102 850 747 0 7011 0
Current children cumulated CPU time: 0.61 s
Current children cumulated vsize: 31792 KiB
Current children cumulated memory: 12408 KiB
[startup+1.50019 s]
/proc/loadavg: 3.84 3.99 4.05 5/260 227039
/proc/meminfo: memFree=121204340/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=32076 memory=12408 CPUtime=1.41 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 2237 0 0 0 141 0 0 0 20 0 1 0 25213337 32845824 3102 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 0 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 8019 3102 850 747 0 7082 0
Current children cumulated CPU time: 1.41 s
Current children cumulated vsize: 32076 KiB
Current children cumulated memory: 12408 KiB
[startup+3.10542 s]
/proc/loadavg: 3.93 4.01 4.06 4/260 227039
/proc/meminfo: memFree=121150264/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=32704 memory=15236 CPUtime=3.01 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 2414 0 0 0 299 2 0 0 20 0 1 0 25213337 33488896 3809 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 0 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 8176 3809 850 747 0 7239 0
Current children cumulated CPU time: 3.01 s
Current children cumulated vsize: 32704 KiB
Current children cumulated memory: 15236 KiB
[startup+6.30018 s]
/proc/loadavg: 3.93 4.01 4.06 4/260 227041
/proc/meminfo: memFree=121062296/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=33744 memory=20108 CPUtime=6.19 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 2604 0 0 0 614 5 0 0 20 0 1 0 25213337 34553856 5027 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 0 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 8436 5027 850 747 0 7499 0
Current children cumulated CPU time: 6.19 s
Current children cumulated vsize: 33744 KiB
Current children cumulated memory: 20108 KiB
[startup+12.7001 s]
/proc/loadavg: 3.93 4.00 4.05 5/260 227041
/proc/meminfo: memFree=120755348/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=35164 memory=25484 CPUtime=12.57 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 2939 0 0 0 1247 10 0 0 20 0 1 0 25213337 36007936 6371 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 0 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 8791 6371 850 747 0 7854 0
Current children cumulated CPU time: 12.57 s
Current children cumulated vsize: 35164 KiB
Current children cumulated memory: 25484 KiB
[startup+25.5002 s]
/proc/loadavg: 3.95 4.00 4.05 3/260 227044
/proc/meminfo: memFree=120567308/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=35936 memory=26264 CPUtime=25.33 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 3145 0 0 0 2516 17 0 0 20 0 1 0 25213337 36798464 6566 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 0 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 8984 6566 850 747 0 8047 0
Current children cumulated CPU time: 25.33 s
Current children cumulated vsize: 35936 KiB
Current children cumulated memory: 26264 KiB
[startup+51.1055 s]
/proc/loadavg: 4.05 4.02 4.06 2/261 227433
/proc/meminfo: memFree=120424456/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=36200 memory=26484 CPUtime=32.59 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) D 227035 227038 226438 0 -1 4194304 3223 0 0 0 3237 22 0 0 20 0 1 0 25213337 37068800 6621 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 0 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 9050 6621 850 747 0 8113 0
Current children cumulated CPU time: 32.59 s
Current children cumulated vsize: 36200 KiB
Current children cumulated memory: 26484 KiB
heavy processes:
[startup+102.3 s]
/proc/loadavg: 4.02 4.01 4.05 5/260 227443
/proc/meminfo: memFree=118717640/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=38400 memory=28816 CPUtime=71.62 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 3808 0 0 0 7118 44 0 0 20 0 1 0 25213337 39321600 7204 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 3037 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 9600 7204 850 747 0 8663 0
Current children cumulated CPU time: 71.62 s
Current children cumulated vsize: 38400 KiB
Current children cumulated memory: 28816 KiB
heavy processes:
[startup+162.3 s]
/proc/loadavg: 4.11 4.04 4.06 5/265 227460
/proc/meminfo: memFree=116461924/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=39928 memory=34416 CPUtime=131.13 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 4216 0 0 0 13033 80 0 0 20 0 1 0 25213337 40886272 8604 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 3071 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 9982 8604 850 747 0 9045 0
Current children cumulated CPU time: 131.13 s
Current children cumulated vsize: 39928 KiB
Current children cumulated memory: 34416 KiB
[startup+222.3 s]
/proc/loadavg: 4.40 4.11 4.08 5/270 227476
/proc/meminfo: memFree=114697868/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=41576 memory=36232 CPUtime=190.66 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) D 227035 227038 226438 0 -1 4194304 4629 0 0 0 18954 112 0 0 20 0 1 0 25213337 42573824 9058 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 3088 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 10394 9058 850 747 0 9457 0
Current children cumulated CPU time: 190.66 s
Current children cumulated vsize: 41576 KiB
Current children cumulated memory: 36232 KiB
[startup+282.3 s]
/proc/loadavg: 4.57 4.20 4.11 5/275 227659
/proc/meminfo: memFree=113005540/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=55172 memory=39668 CPUtime=250.28 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 5241 0 0 0 24884 144 0 0 20 0 1 0 25213337 56496128 9917 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 3119 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 13793 9917 850 747 0 12856 0
Current children cumulated CPU time: 250.28 s
Current children cumulated vsize: 55172 KiB
Current children cumulated memory: 39668 KiB
[startup+342.3 s]
/proc/loadavg: 4.21 4.16 4.10 5/276 227673
/proc/meminfo: memFree=109757056/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=58396 memory=44844 CPUtime=309.39 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 6051 0 0 0 30766 173 0 0 20 0 1 0 25213337 59797504 11211 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 3193 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 14599 11211 850 747 0 13662 0
Current children cumulated CPU time: 309.39 s
Current children cumulated vsize: 58396 KiB
Current children cumulated memory: 44844 KiB
[startup+402.3 s]
/proc/loadavg: 4.30 4.21 4.12 4/275 227694
/proc/meminfo: memFree=108073840/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=58788 memory=45340 CPUtime=368.48 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 6175 0 0 0 36647 201 0 0 20 0 1 0 25213337 60198912 11335 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 3268 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 14697 11335 850 747 0 13760 0
Current children cumulated CPU time: 368.48 s
Current children cumulated vsize: 58788 KiB
Current children cumulated memory: 45340 KiB
[startup+462.3 s]
/proc/loadavg: 4.16 4.18 4.11 5/272 227706
/proc/meminfo: memFree=106089064/131524600 swapFree=131054968/131071996
[pid=227038] ppid=227035 vsize=59156 memory=45836 CPUtime=427.51 cores=5,7
################
# More data... #
################
Current children cumulated memory: 67316 KiB
[startup+3042.3 s]
/proc/loadavg: 4.12 4.11 4.12 5/268 228840
/proc/meminfo: memFree=24019332/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=76900 memory=67860 CPUtime=2939.41 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 13660 0 0 0 292513 1428 0 0 20 0 1 0 25213337 78745600 16965 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9433 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 19225 16965 850 747 0 18288 0
Current children cumulated CPU time: 2939.41 s
Current children cumulated vsize: 76900 KiB
Current children cumulated memory: 67860 KiB
[startup+3102.3 s]
/proc/loadavg: 4.08 4.10 4.12 5/269 228852
/proc/meminfo: memFree=22354412/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=77692 memory=69992 CPUtime=2999.06 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 14247 0 0 0 298453 1453 0 0 20 0 1 0 25213337 79556608 17498 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9453 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 19423 17498 850 747 0 18486 0
Current children cumulated CPU time: 2999.06 s
Current children cumulated vsize: 77692 KiB
Current children cumulated memory: 69992 KiB
[startup+3162.3 s]
/proc/loadavg: 4.06 4.10 4.11 6/269 228862
/proc/meminfo: memFree=20806156/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=77852 memory=70156 CPUtime=3058.1 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 14800 0 0 0 304333 1477 0 0 20 0 1 0 25213337 79720448 17539 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9533 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 19463 17539 850 747 0 18526 0
Current children cumulated CPU time: 3058.1 s
Current children cumulated vsize: 77852 KiB
Current children cumulated memory: 70156 KiB
[startup+3222.3 s]
/proc/loadavg: 4.10 4.11 4.11 5/269 228872
/proc/meminfo: memFree=19229200/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=77852 memory=70240 CPUtime=3117.65 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 15299 0 0 0 310255 1510 0 0 20 0 1 0 25213337 79720448 17560 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9560 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 19463 17560 850 747 0 18526 0
Current children cumulated CPU time: 3117.65 s
Current children cumulated vsize: 77852 KiB
Current children cumulated memory: 70240 KiB
[startup+3282.3 s]
/proc/loadavg: 4.14 4.12 4.11 5/267 228884
/proc/meminfo: memFree=17956984/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=77852 memory=70272 CPUtime=3177.24 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 15839 0 0 0 316180 1544 0 0 20 0 1 0 25213337 79720448 17568 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9585 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 19463 17568 850 747 0 18526 0
Current children cumulated CPU time: 3177.24 s
Current children cumulated vsize: 77852 KiB
Current children cumulated memory: 70272 KiB
[startup+3342.3 s]
/proc/loadavg: 4.11 4.11 4.11 5/270 228899
/proc/meminfo: memFree=16792484/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=81788 memory=73608 CPUtime=3236.85 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 17308 0 0 0 322117 1568 0 0 20 0 1 0 25213337 83750912 18402 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9609 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 20447 18402 850 747 0 19510 0
Current children cumulated CPU time: 3236.85 s
Current children cumulated vsize: 81788 KiB
Current children cumulated memory: 73608 KiB
[startup+3402.3 s]
/proc/loadavg: 4.16 4.12 4.11 5/267 228909
/proc/meminfo: memFree=15806828/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=82328 memory=74312 CPUtime=3296.6 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 18364 0 0 0 328062 1598 0 0 20 0 1 0 25213337 84303872 18578 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9617 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 20582 18578 850 747 0 19645 0
Current children cumulated CPU time: 3296.6 s
Current children cumulated vsize: 82328 KiB
Current children cumulated memory: 74312 KiB
[startup+3462.3 s]
/proc/loadavg: 4.22 4.15 4.12 5/267 228921
/proc/meminfo: memFree=14820748/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=82328 memory=74312 CPUtime=3355.83 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 19364 0 0 0 333955 1628 0 0 20 0 1 0 25213337 84303872 18578 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9675 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 20582 18578 850 747 0 19645 0
Current children cumulated CPU time: 3355.83 s
Current children cumulated vsize: 82328 KiB
Current children cumulated memory: 74312 KiB
[startup+3522.3 s]
/proc/loadavg: 4.17 4.15 4.12 5/264 228931
/proc/meminfo: memFree=13857000/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=82328 memory=74344 CPUtime=3415.48 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 20442 0 0 0 339888 1660 0 0 20 0 1 0 25213337 84303872 18586 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9695 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 20582 18586 850 747 0 19645 0
Current children cumulated CPU time: 3415.48 s
Current children cumulated vsize: 82328 KiB
Current children cumulated memory: 74344 KiB
[startup+3582.3 s]
/proc/loadavg: 4.10 4.14 4.11 5/267 228946
/proc/meminfo: memFree=11787516/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=82840 memory=74796 CPUtime=3474.06 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 21475 0 0 0 345721 1685 0 0 20 0 1 0 25213337 84828160 18699 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9820 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 20710 18699 850 747 0 19773 0
Current children cumulated CPU time: 3474.06 s
Current children cumulated vsize: 82840 KiB
Current children cumulated memory: 74796 KiB
[startup+3642.3 s]
/proc/loadavg: 4.20 4.16 4.12 5/267 229340
/proc/meminfo: memFree=10410936/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=82840 memory=74796 CPUtime=3533.59 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 22230 0 0 0 351645 1714 0 0 20 0 1 0 25213337 84828160 18699 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9849 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 20710 18699 850 747 0 19773 0
Current children cumulated CPU time: 3533.59 s
Current children cumulated vsize: 82840 KiB
Current children cumulated memory: 74796 KiB
Maximum wall clock time exceeded: sending SIGTERM then SIGKILL
[startup+3700 s]*
/proc/loadavg: 4.11 4.14 4.11 5/267 229490
/proc/meminfo: memFree=103302448/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=82840 memory=75868 CPUtime=3590.81 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) R 227035 227038 226438 0 -1 4194304 23085 0 0 0 357343 1738 0 0 20 0 1 0 25213337 84828160 18967 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9879 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 20710 18967 850 747 0 19773 0
Current children cumulated CPU time: 3590.81 s
Current children cumulated vsize: 82840 KiB
Current children cumulated memory: 75868 KiB
Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds
[startup+3700.32 s]
# the end of solver process 227038 was just reported to runsolver
# Child status: 10
# cumulated CPU time of all completed processes: user=3573.44 s, system=17.3997 s
Solver just ended.
??? end of watcher thread
Dumping a history of the last processes samples
[startup+3700.2 s]
/proc/loadavg: 4.11 4.14 4.11 5/267 229490
/proc/meminfo: memFree=103302448/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=51364 memory=46880 CPUtime=3590.82 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) D 227035 227038 226438 0 -1 4194304 23085 0 0 0 357343 1739 0 0 20 0 1 0 25213337 52596736 11720 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9914 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 12841 11720 850 747 0 11904 0
Current children cumulated CPU time: 3590.82 s
Current children cumulated vsize: 51364 KiB
Current children cumulated memory: 46880 KiB
[startup+3700.3 s]
/proc/loadavg: 4.11 4.14 4.11 5/267 229490
/proc/meminfo: memFree=103302448/131524600 swapFree=131054712/131071996
[pid=227038] ppid=227035 vsize=51364 memory=46880 CPUtime=3590.82 cores=5,7
/proc/227038/stat : 227038 (Exact_veripb2_n) D 227035 227038 226438 0 -1 4194304 23085 0 0 0 357343 1739 0 0 20 0 1 0 25213337 52596736 11720 134679101440 4194304 7250417 140734663829600 0 0 0 0 0 8404994 0 0 0 17 5 0 0 9931 0 0 7950792 8015128 40079360 140734663832374 140734663832663 140734663832663 140734663839678 0
/proc/227038/statm: 12841 11720 850 747 0 11904 0
Current children cumulated CPU time: 3590.82 s
Current children cumulated vsize: 51364 KiB
Current children cumulated memory: 46880 KiB
Child status: 10
Real time (s): 3700.32
CPU time (s): 3590.84
CPU user time (s): 3573.44
CPU system time (s): 17.3997
CPU usage (%): 97.0412
Max. virtual memory (cumulated for all children) (KiB): 82840
Max. memory (cumulated for all children) (KiB): 75868
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3573.44
system time used= 17.3997
maximum resident set size= 75868
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 23086
page faults= 0
swaps= 0
block input operations= 0
block output operations= 38268496
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 2340
involuntary context switches= 4942
# summary of solver processes directly reported to runsolver:
# pid: 227038
# total CPU time (s): 3590.84
# total CPU user time (s): 3573.44
# total CPU system time (s): 17.3997
??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 7.18425 second user time and 16.9279 second system time
The end
Begin job on nodeC028 at 2024-07-25 07:55:00
IDJOB=4458202
IDBENCH=177178
IDSOLVER=3080
FILE ID=nodeC028/4458202-1721886900
RUNJOBID= nodeC028-1721886850-226451
SLURM_JOB_ID= 8089286
Free space on /tmp= 890052 MiB
SOLVER NAME= Exact_veripb2_no_SoPlex 2024-07-05
BENCH NAME= PB24/normalized-PB24/OPT-LIN/nordstrom/CoreGuidedPB/multverif/diagcomm_greater/normalized-mult_diagcomm_opt_greater_teq_nbits_22.opb
COMMAND LINE= HOME/Exact_veripb2_nosoplex --print-uniform=0 --verbosity=0 --print-sol --proof-assumptions=0 --proof-log=CERTNAME --seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp --file-size-limit 102400 -w /tmp/evaluation-result-4458202-1721886900/watcher-4458202-1721886900 -o /tmp/evaluation-result-4458202-1721886900/solver-4458202-1721886900 -C 3600 -W 3700 -M 31000 --bin-var /tmp/runsolver-exch-nodeC028-1721886850-226451 --watchdog 3760 HOME/Exact_veripb2_nosoplex --print-uniform=0 --verbosity=0 --print-sol --proof-assumptions=0 --proof-log=PROOFDIR/proof-4458202-1721886900 --seed=1220441506 HOME/instance-4458202-1721886900.opb
TIME LIMIT= 3600 seconds
MEMORY LIMIT= 31000 MiB
NBCORE= 2
MD5SUM BENCH= 32ee0ddbdff3b16b51999f7bca4d7c0a
RANDOM SEED=1220441506
nodeC028.alineos.net Linux 4.18.0-301.1.el8.x86_64 #1 SMP Tue Apr 13 16:24:22 UTC 2021
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor:
performance
/proc/cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 79
model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz
stepping : 1
microcode : 0xb00002a
cpu MHz : 3678.635
cache size : 15360 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 20
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit
bogomips : 6999.46
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 79
model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz
stepping : 1
microcode : 0xb00002a
cpu MHz : 3688.852
cache size : 15360 KB
physical id : 1
siblings : 4
core id : 0
cpu cores : 4
apicid : 16
initial apicid : 16
fpu : yes
fpu_exception : yes
cpuid level : 20
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit
bogomips : 7005.51
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:
processor : 2
vendor_id : GenuineIntel
cpu family : 6
model : 79
model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz
stepping : 1
microcode : 0xb00002a
cpu MHz : 3600.105
cache size : 15360 KB
physical id : 0
siblings : 4
core id : 1
cpu cores : 4
apicid : 2
initial apicid : 2
fpu : yes
fpu_exception : yes
cpuid level : 20
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit
bogomips : 6999.46
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 79
model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz
stepping : 1
microcode : 0xb00002a
cpu MHz : 3656.832
cache size : 15360 KB
physical id : 1
siblings : 4
core id : 1
cpu cores : 4
apicid : 18
initial apicid : 18
fpu : yes
fpu_exception : yes
cpuid level : 20
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit
bogomips : 7005.51
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:
processor : 4
vendor_id : GenuineIntel
cpu family : 6
model : 79
model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz
stepping : 1
microcode : 0xb00002a
cpu MHz : 3678.657
cache size : 15360 KB
physical id : 0
siblings : 4
core id : 2
cpu cores : 4
apicid : 4
initial apicid : 4
fpu : yes
fpu_exception : yes
cpuid level : 20
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit
bogomips : 6999.46
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:
processor : 5
vendor_id : GenuineIntel
cpu family : 6
model : 79
model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz
stepping : 1
microcode : 0xb00002a
cpu MHz : 3664.787
cache size : 15360 KB
physical id : 1
siblings : 4
core id : 2
cpu cores : 4
apicid : 20
initial apicid : 20
fpu : yes
fpu_exception : yes
cpuid level : 20
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit
bogomips : 7005.51
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:
processor : 6
vendor_id : GenuineIntel
cpu family : 6
model : 79
model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz
stepping : 1
microcode : 0xb00002a
cpu MHz : 3600.235
cache size : 15360 KB
physical id : 0
siblings : 4
core id : 3
cpu cores : 4
apicid : 6
initial apicid : 6
fpu : yes
fpu_exception : yes
cpuid level : 20
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit
bogomips : 6999.46
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:
processor : 7
vendor_id : GenuineIntel
cpu family : 6
model : 79
model name : Intel(R) Xeon(R) CPU E5-2637 v4 @ 3.50GHz
stepping : 1
microcode : 0xb00002a
cpu MHz : 3662.099
cache size : 15360 KB
physical id : 1
siblings : 4
core id : 3
cpu cores : 4
apicid : 22
initial apicid : 22
fpu : yes
fpu_exception : yes
cpuid level : 20
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a rdseed adx smap intel_pt xsaveopt cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts
bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit
bogomips : 7005.51
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:
/proc/meminfo:
MemTotal: 131524600 kB
MemFree: 121280136 kB
MemAvailable: 129412488 kB
Buffers: 297760 kB
Cached: 8619996 kB
SwapCached: 308 kB
Active: 2366512 kB
Inactive: 7184532 kB
Active(anon): 4440 kB
Inactive(anon): 680700 kB
Active(file): 2362072 kB
Inactive(file): 6503832 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 131071996 kB
SwapFree: 131054968 kB
Dirty: 275016 kB
Writeback: 0 kB
AnonPages: 632200 kB
Mapped: 107448 kB
Shmem: 52100 kB
KReclaimable: 212544 kB
Slab: 341792 kB
SReclaimable: 212544 kB
SUnreclaim: 129248 kB
KernelStack: 4144 kB
PageTables: 10332 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 196834296 kB
Committed_AS: 1223368 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 0 kB
VmallocChunk: 0 kB
Percpu: 13440 kB
HardwareCorrupted: 0 kB
AnonHugePages: 397312 kB
ShmemHugePages: 0 kB
ShmemPmdMapped: 0 kB
FileHugePages: 0 kB
FilePmdMapped: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
Hugetlb: 0 kB
DirectMap4k: 443092 kB
DirectMap2M: 51759104 kB
DirectMap1G: 83886080 kB
Free space on /tmp at the end= 890048 MiB
End job on nodeC028 at 2024-07-25 08:56:40