runsolver Copyright (C) 2010-2013 Olivier ROUSSEL
This is runsolver version 3.3.7 (svn: 2553)
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.
command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-4261668-1502382168/watcher-4261668-1502382168 -o /tmp/evaluation-result-4261668-1502382168/solver-4261668-1502382168 -C 2520 -W 2520 -M 15500 --bin-var /tmp/runsolver-exch-node125-1502331121-20548 --watchdog 2580 MistralXCSP -v 0 --recommended 2 --decay 0.95 --branch_on_aux 10 --seed 1905071407 HOME/instance-4261668-1502382168.xml
pid=29500
running on 4 cores: 1,3,5,7
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
Current StackSize limit: 8192 KiB
[startup+0 s]
/proc/loadavg: 2.00 2.01 2.05 2/180 29503
/proc/meminfo: memFree=30894160/32770624 swapFree=0/485956
[pid=29503] ppid=29500 vsize=23672 CPUtime=0 cores=1,3,5,7
/proc/29503/stat : 29503 (runsolver) D 29500 29503 4057 0 -1 4202560 108 0 0 0 0 0 0 0 20 0 1 0 40437638 24240128 106 18446744073709551615 4194304 4338465 140723286731312 140723286728952 140102499615447 0 0 1 24578 18446744071580418449 0 0 17 3 0 0 0 0 0 6438912 6441760 34197504 140723286737035 140723286737482 140723286737482 140723286740938 0
/proc/29503/statm: 5918 106 53 36 0 2156 0
[startup+0.100162 s]
/proc/loadavg: 2.00 2.01 2.05 2/180 29503
/proc/meminfo: memFree=30894160/32770624 swapFree=0/485956
[pid=29503] ppid=29500 vsize=40776 CPUtime=0.01 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 4011 0 0 0 1 0 0 0 20 0 1 0 40437638 41754624 3832 18446744073709551615 4194304 7396336 140733106507712 140733106504712 4565880 0 0 1 0 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 10194 3832 663 782 0 3210 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 40776
[startup+0.200357 s]
/proc/loadavg: 2.00 2.01 2.05 2/180 29503
/proc/meminfo: memFree=30894160/32770624 swapFree=0/485956
[pid=29503] ppid=29500 vsize=51352 CPUtime=0.1 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 7096 0 0 0 10 0 0 0 20 0 1 0 40437638 52584448 6600 18446744073709551615 4194304 7396336 140733106507712 140733106504712 5701880 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 12838 6600 788 782 0 5854 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 51352
[startup+0.300348 s]
/proc/loadavg: 2.00 2.01 2.05 2/180 29503
/proc/meminfo: memFree=30894160/32770624 swapFree=0/485956
[pid=29503] ppid=29500 vsize=51748 CPUtime=0.2 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 7186 0 0 0 20 0 0 0 20 0 1 0 40437638 52989952 6666 18446744073709551615 4194304 7396336 140733106507712 140733106504712 4249508 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 12937 6666 790 782 0 5953 0
Current children cumulated CPU time (s) 0.2
Current children cumulated vsize (KiB) 51748
[startup+0.700268 s]
/proc/loadavg: 2.00 2.01 2.05 2/180 29503
/proc/meminfo: memFree=30894160/32770624 swapFree=0/485956
[pid=29503] ppid=29500 vsize=52144 CPUtime=0.6 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 7311 0 0 0 60 0 0 0 20 0 1 0 40437638 53395456 6798 18446744073709551615 4194304 7396336 140733106507712 140733106502248 5629721 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13036 6798 790 782 0 6052 0
Current children cumulated CPU time (s) 0.6
Current children cumulated vsize (KiB) 52144
[startup+1.50027 s]
/proc/loadavg: 2.00 2.01 2.05 3/181 29504
/proc/meminfo: memFree=30870104/32770624 swapFree=0/485976
[pid=29503] ppid=29500 vsize=52408 CPUtime=1.4 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 7377 0 0 0 140 0 0 0 20 0 1 0 40437638 53665792 6864 18446744073709551615 4194304 7396336 140733106507712 140733106502248 4542489 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13102 6864 790 782 0 6118 0
Current children cumulated CPU time (s) 1.4
Current children cumulated vsize (KiB) 52408
[startup+3.10023 s]
/proc/loadavg: 2.00 2.01 2.05 3/181 29504
/proc/meminfo: memFree=30869608/32770624 swapFree=0/485976
[pid=29503] ppid=29500 vsize=52540 CPUtime=3.01 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 10788 0 0 0 300 1 0 0 20 0 1 0 40437638 53800960 6932 18446744073709551615 4194304 7396336 140733106507712 140733106502248 5629691 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13135 6932 790 782 0 6151 0
Current children cumulated CPU time (s) 3.01
Current children cumulated vsize (KiB) 52540
[startup+6.30022 s]
/proc/loadavg: 1.92 2.00 2.04 3/181 29504
/proc/meminfo: memFree=30868580/32770624 swapFree=0/485972
[pid=29503] ppid=29500 vsize=52672 CPUtime=6.21 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 14201 0 0 0 620 1 0 0 20 0 1 0 40437638 53936128 6935 18446744073709551615 4194304 7396336 140733106507712 140733106502280 4379197 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13168 6935 790 782 0 6184 0
Current children cumulated CPU time (s) 6.21
Current children cumulated vsize (KiB) 52672
[startup+12.7002 s]
/proc/loadavg: 1.93 2.00 2.04 3/181 29504
/proc/meminfo: memFree=30867960/32770624 swapFree=0/485972
[pid=29503] ppid=29500 vsize=52808 CPUtime=12.61 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 17646 0 0 0 1260 1 0 0 20 0 1 0 40437638 54075392 6967 18446744073709551615 4194304 7396336 140733106507712 140733106502328 4582271 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13202 6967 790 782 0 6218 0
Current children cumulated CPU time (s) 12.61
Current children cumulated vsize (KiB) 52808
[startup+25.5003 s]
/proc/loadavg: 1.95 2.00 2.04 3/181 29504
/proc/meminfo: memFree=30867344/32770624 swapFree=0/485960
[pid=29503] ppid=29500 vsize=52808 CPUtime=25.41 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 24543 0 0 0 2539 2 0 0 20 0 1 0 40437638 54075392 6983 18446744073709551615 4194304 7396336 140733106507712 140733106502328 5649229 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13202 6983 790 782 0 6218 0
Current children cumulated CPU time (s) 25.41
Current children cumulated vsize (KiB) 52808
[startup+51.1003 s]
/proc/loadavg: 1.96 2.00 2.04 3/181 29505
/proc/meminfo: memFree=30865984/32770624 swapFree=0/485952
[pid=29503] ppid=29500 vsize=52808 CPUtime=51.02 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 28015 0 0 0 5100 2 0 0 20 0 1 0 40437638 54075392 6994 18446744073709551615 4194304 7396336 140733106507712 140733106502328 5628519 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13202 6994 790 782 0 6218 0
Current children cumulated CPU time (s) 51.02
Current children cumulated vsize (KiB) 52808
[startup+102.3 s]
/proc/loadavg: 1.98 2.00 2.04 3/185 29521
/proc/meminfo: memFree=30859216/32770624 swapFree=0/485984
[pid=29503] ppid=29500 vsize=52808 CPUtime=102.23 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 31492 0 0 0 10221 2 0 0 20 0 1 0 40437638 54075392 7000 18446744073709551615 4194304 7396336 140733106507712 140733106502328 5162933 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13202 7000 790 782 0 6218 0
Current children cumulated CPU time (s) 102.23
Current children cumulated vsize (KiB) 52808
[startup+162.3 s]
/proc/loadavg: 1.99 2.00 2.04 3/185 29523
/proc/meminfo: memFree=30855688/32770624 swapFree=0/485992
[pid=29503] ppid=29500 vsize=52940 CPUtime=162.23 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 34967 0 0 0 16221 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 5685174 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 162.23
Current children cumulated vsize (KiB) 52940
[startup+222.306 s]
/proc/loadavg: 2.00 2.00 2.04 3/182 29525
/proc/meminfo: memFree=30855816/32770624 swapFree=0/485992
[pid=29503] ppid=29500 vsize=52940 CPUtime=222.24 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 38434 0 0 0 22222 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 5839021 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 222.24
Current children cumulated vsize (KiB) 52940
[startup+282.3 s]
/proc/loadavg: 2.00 2.00 2.04 3/182 29527
/proc/meminfo: memFree=30854340/32770624 swapFree=0/486012
[pid=29503] ppid=29500 vsize=52940 CPUtime=282.24 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 38437 0 0 0 28222 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 5685920 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 282.24
Current children cumulated vsize (KiB) 52940
[startup+342.3 s]
/proc/loadavg: 2.00 2.00 2.04 3/182 29529
/proc/meminfo: memFree=30852780/32770624 swapFree=0/486032
[pid=29503] ppid=29500 vsize=52940 CPUtime=342.24 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 41917 0 0 0 34222 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 4404800 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 342.24
Current children cumulated vsize (KiB) 52940
[startup+402.3 s]
/proc/loadavg: 2.00 2.00 2.04 3/181 29531
/proc/meminfo: memFree=30851124/32770624 swapFree=0/486048
[pid=29503] ppid=29500 vsize=52940 CPUtime=402.24 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 42700 0 0 0 40222 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 5705878 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 402.24
Current children cumulated vsize (KiB) 52940
[startup+462.3 s]
/proc/loadavg: 2.00 2.00 2.04 3/181 29533
/proc/meminfo: memFree=30850244/32770624 swapFree=0/486044
[pid=29503] ppid=29500 vsize=52940 CPUtime=462.25 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 42702 0 0 0 46223 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 5685869 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 462.25
Current children cumulated vsize (KiB) 52940
[startup+522.3 s]
/proc/loadavg: 2.00 2.00 2.04 3/181 29535
/proc/meminfo: memFree=30849336/32770624 swapFree=0/486044
[pid=29503] ppid=29500 vsize=52940 CPUtime=522.26 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 43488 0 0 0 52224 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 5163029 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 522.26
Current children cumulated vsize (KiB) 52940
[startup+582.3 s]
/proc/loadavg: 2.00 2.00 2.04 3/181 29537
/proc/meminfo: memFree=30849228/32770624 swapFree=0/486056
[pid=29503] ppid=29500 vsize=52940 CPUtime=582.26 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 43488 0 0 0 58224 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 4581738 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 582.26
Current children cumulated vsize (KiB) 52940
Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 29503 sig 9
??? kill -29503 sig 9
??? end of watcher thread
Dumping a history of the last processes samples
[startup+582.4 s]
/proc/loadavg: 2.00 2.00 2.04 3/181 29537
/proc/meminfo: memFree=30849228/32770624 swapFree=0/486056
[pid=29503] ppid=29500 vsize=52940 CPUtime=582.36 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 43488 0 0 0 58234 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 4317601 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 582.36
Current children cumulated vsize (KiB) 52940
[startup+584 s]
/proc/loadavg: 2.00 2.00 2.04 3/181 29537
/proc/meminfo: memFree=30849228/32770624 swapFree=0/486056
[pid=29503] ppid=29500 vsize=52940 CPUtime=583.96 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 43488 0 0 0 58394 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 5792027 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 583.96
Current children cumulated vsize (KiB) 52940
[startup+585.6 s]
/proc/loadavg: 2.00 2.00 2.04 3/181 29537
/proc/meminfo: memFree=30849104/32770624 swapFree=0/486056
[pid=29503] ppid=29500 vsize=52940 CPUtime=585.56 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 43488 0 0 0 58554 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 5685768 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 585.56
Current children cumulated vsize (KiB) 52940
[startup+586 s]
/proc/loadavg: 2.00 2.00 2.04 3/181 29537
/proc/meminfo: memFree=30849104/32770624 swapFree=0/486056
[pid=29503] ppid=29500 vsize=52940 CPUtime=585.96 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 43488 0 0 0 58594 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 5701897 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 585.96
Current children cumulated vsize (KiB) 52940
[startup+586.2 s]
/proc/loadavg: 2.00 2.00 2.04 3/181 29537
/proc/meminfo: memFree=30849104/32770624 swapFree=0/486056
[pid=29503] ppid=29500 vsize=52940 CPUtime=586.16 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 43488 0 0 0 58614 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 5701855 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 586.16
Current children cumulated vsize (KiB) 52940
[startup+586.3 s]
/proc/loadavg: 2.00 2.00 2.04 3/181 29537
/proc/meminfo: memFree=30849104/32770624 swapFree=0/486056
[pid=29503] ppid=29500 vsize=52940 CPUtime=586.27 cores=1,3,5,7
/proc/29503/stat : 29503 (MistralXCSP) R 29500 29503 4057 0 -1 4202496 43488 0 0 0 58625 2 0 0 20 0 1 0 40437638 54210560 7002 18446744073709551615 4194304 7396336 140733106507712 140733106502376 5701852 0 0 1 16386 0 0 0 17 5 0 0 8 0 0 9496464 9501696 15425536 140733106512307 140733106512457 140733106512457 140733106515913 0
/proc/29503/statm: 13235 7002 790 782 0 6251 0
Current children cumulated CPU time (s) 586.27
Current children cumulated vsize (KiB) 52940
Child status: 0
Real time (s): 586.399
CPU time (s): 586.37
CPU user time (s): 586.345
CPU system time (s): 0.025002
CPU usage (%): 99.995
Max. virtual memory (cumulated for all children) (KiB): 52940
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 586.345
system time used= 0.025002
maximum resident set size= 28016
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 43926
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= 17
involuntary context switches= 216
??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 1.45713 second user time and 2.09085 second system time
The end