runsolver version 3.4.0 (svn: 3012) 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: 16374 MiB (10063 MiB free)
memory of node 1: 16384 MiB (12101 MiB free)
node distances:
10 21
21 10
command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-4294645-1532481292/watcher-4294645-1532481292 -o /tmp/evaluation-result-4294645-1532481292/solver-4294645-1532481292 -C 2520 -W 2520 -M 15500 --bin-var /tmp/runsolver-exch-node105-1532481209-32054 --watchdog 2580 HOME/cosoco -lc -model -restarts HOME/instance-4294645-1532481292.xml
running on 4 cores: 0,2,4,6
Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2520 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2550 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2520 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Linux 3.10.0-514.16.1.el7.x86_64
Starting watchdog thread
Current StackSize limit: 8192 KiB
solver pid=32146, runsolver pid=32143
[startup+0.100292 s]*
/proc/loadavg: 1.69 1.37 1.38 3/188 32147
/proc/meminfo: memFree=22696644/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3672 CPUtime=0.1 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1104 0 0 0 10 0 0 0 20 0 1 0 65692388 27947008 918 33554432000 4194304 6142532 140732483274800 140732483272200 5017767 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 918 807 476 0 145 0
Current children cumulated CPU time: 0.1 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3672 KiB
[startup+0.209362 s]*
/proc/loadavg: 1.69 1.37 1.38 3/188 32147
/proc/meminfo: memFree=22696644/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3672 CPUtime=0.21 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1104 0 0 0 21 0 0 0 20 0 1 0 65692388 27947008 918 33554432000 4194304 6142532 140732483274800 140732483272200 5336745 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 918 807 476 0 145 0
Current children cumulated CPU time: 0.21 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3672 KiB
[startup+0.309006 s]*
/proc/loadavg: 1.69 1.37 1.38 3/188 32147
/proc/meminfo: memFree=22696272/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3672 CPUtime=0.31 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1104 0 0 0 31 0 0 0 20 0 1 0 65692388 27947008 918 33554432000 4194304 6142532 140732483274800 140732483272200 5013856 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 918 807 476 0 145 0
Current children cumulated CPU time: 0.31 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3672 KiB
[startup+0.700331 s]
/proc/loadavg: 1.69 1.37 1.38 3/188 32147
/proc/meminfo: memFree=22696272/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3672 CPUtime=0.69 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1104 0 0 0 69 0 0 0 20 0 1 0 65692388 27947008 918 33554432000 4194304 6142532 140732483274800 140732483272200 5333224 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 918 807 476 0 145 0
Current children cumulated CPU time: 0.69 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3672 KiB
[startup+1.50033 s]
/proc/loadavg: 1.69 1.37 1.38 3/188 32147
/proc/meminfo: memFree=22696148/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3672 CPUtime=1.49 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1104 0 0 0 149 0 0 0 20 0 1 0 65692388 27947008 918 33554432000 4194304 6142532 140732483274800 140732483272200 5017549 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 918 807 476 0 145 0
Current children cumulated CPU time: 1.49 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3672 KiB
[startup+3.10907 s]
/proc/loadavg: 1.72 1.39 1.38 3/188 32147
/proc/meminfo: memFree=22696520/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=3.1 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1160 0 0 0 310 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5013944 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 3.1 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+6.30032 s]
/proc/loadavg: 1.72 1.39 1.38 3/188 32147
/proc/meminfo: memFree=22696456/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=6.29 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1216 0 0 0 629 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5018340 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 6.29 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+12.7003 s]
/proc/loadavg: 1.74 1.40 1.39 3/188 32147
/proc/meminfo: memFree=22696456/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=12.69 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1272 0 0 0 1269 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5017650 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 12.69 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+25.5003 s]
/proc/loadavg: 1.80 1.43 1.40 3/188 32147
/proc/meminfo: memFree=22696456/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=25.49 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1384 0 0 0 2549 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 4991148 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 25.49 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+51.1091 s]
/proc/loadavg: 1.87 1.47 1.41 3/188 32147
/proc/meminfo: memFree=22696456/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=51.1 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1440 0 0 0 5110 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5347473 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 51.1 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+102.3 s]
/proc/loadavg: 1.94 1.55 1.44 3/188 32209
/proc/meminfo: memFree=22696796/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=102.3 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1496 0 0 0 10230 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5318987 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 102.3 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+162.3 s]
/proc/loadavg: 1.98 1.63 1.48 3/188 32270
/proc/meminfo: memFree=22696448/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=162.3 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1552 0 0 0 16230 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5017491 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 162.3 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+222.3 s]
/proc/loadavg: 1.99 1.70 1.51 3/188 32271
/proc/meminfo: memFree=22695952/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=222.31 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1608 0 0 0 22231 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 4991096 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 222.31 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+282.3 s]
/proc/loadavg: 2.00 1.76 1.54 3/188 32272
/proc/meminfo: memFree=22695704/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=282.31 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1608 0 0 0 28231 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5336789 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 282.31 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+342.3 s]
/proc/loadavg: 2.00 1.80 1.57 3/188 32278
/proc/meminfo: memFree=22694500/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=342.32 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1664 0 0 0 34232 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5326496 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 342.32 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+385.909 s]
# the end of solver process 32146 was just reported to runsolver
# cumulated CPU time of all completed processes: user=385.933 s, system=0.003 s
Solver just ended.
??? end of watcher thread
Dumping a history of the last processes samples
[startup+358.4 s]
/proc/loadavg: 2.00 1.81 1.58 3/188 32279
/proc/meminfo: memFree=22694360/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=358.42 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1664 0 0 0 35842 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5013840 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 358.42 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+371.2 s]
/proc/loadavg: 2.00 1.82 1.58 3/188 32279
/proc/meminfo: memFree=22694836/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=371.22 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1664 0 0 0 37122 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5013840 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 371.22 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+377.6 s]
/proc/loadavg: 2.00 1.82 1.59 3/188 32279
/proc/meminfo: memFree=22694960/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=377.62 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1664 0 0 0 37762 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5336528 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 377.62 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+380.8 s]
/proc/loadavg: 2.00 1.82 1.59 3/188 32279
/proc/meminfo: memFree=22694960/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=380.82 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1664 0 0 0 38082 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5018479 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 380.82 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+384 s]*
/proc/loadavg: 2.00 1.83 1.59 3/188 32279
/proc/meminfo: memFree=22694960/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=384.03 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1664 0 0 0 38403 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5318987 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 384.03 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+384.8 s]
/proc/loadavg: 2.00 1.83 1.59 3/188 32279
/proc/meminfo: memFree=22694960/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=384.82 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1664 0 0 0 38482 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5013950 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 384.82 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+385.6 s]
/proc/loadavg: 2.00 1.83 1.59 3/188 32279
/proc/meminfo: memFree=22694960/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=385.62 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1664 0 0 0 38562 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5013840 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 385.62 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+385.8 s]
/proc/loadavg: 2.00 1.83 1.59 3/188 32279
/proc/meminfo: memFree=22694960/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=385.82 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1664 0 0 0 38582 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5017740 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 385.82 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
[startup+385.9 s]
/proc/loadavg: 2.00 1.83 1.59 3/188 32279
/proc/meminfo: memFree=22694960/32770624 swapFree=67108860/67108860
[pid=32146] ppid=32143 vsize=27292 memory=3792 CPUtime=385.92 cores=0,2,4,6
/proc/32146/stat : 32146 (cosoco) R 32143 32146 24765 0 -1 4202496 1664 0 0 0 38592 0 0 0 20 0 1 0 65692388 27947008 948 33554432000 4194304 6142532 140732483274800 140732483272200 5318960 0 0 4096 8405026 0 0 0 17 4 0 0 0 0 0 8243016 8247936 36036608 140732483282054 140732483282184 140732483282184 140732483284942 0
/proc/32146/statm: 6823 948 830 476 0 145 0
Current children cumulated CPU time: 385.92 s
Current children cumulated vsize: 27292 KiB
Current children cumulated memory: 3792 KiB
Child status: 0
Real time (s): 385.909
CPU time (s): 385.936
CPU user time (s): 385.933
CPU system time (s): 0.003
CPU usage (%): 100.007
Max. virtual memory (cumulated for all children) (KiB): 27292
Max. memory (cumulated for all children) (KiB): 3792
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 385.933
system time used= 0.003
maximum resident set size= 3860
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1702
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 15
involuntary context switches= 105
# summary of solver processes directly reported to runsolver:
# pid: 32146
# total CPU time (s): 385.936
# total CPU user time (s): 385.933
# total CPU system time (s): 0.003
??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 1.54875 second user time and 2.3773 second system time
The end