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-4096676-1466112771/watcher-4096676-1466112771 -o /tmp/evaluation-result-4096676-1466112771/solver-4096676-1466112771 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node131-1466112688-14976 --watchdog 1960 open-wbo-lsu HOME/instance-4096676-1466112771.opb
pid=16016
running on 4 cores: 1,3,5,7
Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1900 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: 10240 KiB
[startup+0 s]
/proc/loadavg: 2.11 2.18 2.17 3/176 16019
/proc/meminfo: memFree=30625016/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=2536 CPUtime=0 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 379 0 0 0 0 0 0 0 20 0 1 0 13323613 2596864 255 33554432000 4194304 6058637 140736608220192 140737236669224 5042435 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 634 255 185 456 0 120 0
[startup+0.100164 s]
/proc/loadavg: 2.11 2.18 2.17 3/176 16019
/proc/meminfo: memFree=30625016/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=3900 CPUtime=0.09 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 895 0 0 0 9 0 0 0 20 0 1 0 13323613 3993600 603 33554432000 4194304 6058637 140736608220192 140737236669224 4278181 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 975 603 175 456 0 511 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3900
[startup+0.200313 s]
/proc/loadavg: 2.11 2.18 2.17 3/176 16019
/proc/meminfo: memFree=30625016/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=4660 CPUtime=0.19 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 1020 0 0 0 19 0 0 0 20 0 1 0 13323613 4771840 723 33554432000 4194304 6058637 140736608220192 140737236669224 4278280 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 1165 723 175 456 0 701 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 4660
[startup+0.300363 s]
/proc/loadavg: 2.11 2.18 2.17 3/176 16019
/proc/meminfo: memFree=30625016/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=4384 CPUtime=0.29 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 1239 0 0 0 29 0 0 0 20 0 1 0 13323613 4489216 728 33554432000 4194304 6058637 140736608220192 140737236669224 4280035 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 1096 728 175 456 0 632 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4384
[startup+0.700255 s]
/proc/loadavg: 2.11 2.18 2.17 3/176 16019
/proc/meminfo: memFree=30625016/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=7092 CPUtime=0.69 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 1808 0 0 0 69 0 0 0 20 0 1 0 13323613 7262208 1284 33554432000 4194304 6058637 140736608220192 140736608218920 4277687 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 1773 1284 175 456 0 1309 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7092
[startup+1.50029 s]
/proc/loadavg: 2.10 2.18 2.17 3/177 16020
/proc/meminfo: memFree=30619724/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=7092 CPUtime=1.49 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 1915 0 0 0 149 0 0 0 20 0 1 0 13323613 7262208 1385 33554432000 4194304 6058637 140736608220192 140736608218920 4278181 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 1773 1385 175 456 0 1309 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7092
[startup+3.10026 s]
/proc/loadavg: 2.10 2.18 2.17 3/177 16020
/proc/meminfo: memFree=30613884/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=10600 CPUtime=3.09 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 2786 0 0 0 309 0 0 0 20 0 1 0 13323613 10854400 2232 33554432000 4194304 6058637 140736608220192 140736608218920 4277953 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 2650 2232 175 456 0 2186 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10600
[startup+6.30023 s]
/proc/loadavg: 2.10 2.18 2.17 4/177 16020
/proc/meminfo: memFree=30610112/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=12212 CPUtime=6.29 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 3264 0 0 0 629 0 0 0 20 0 1 0 13323613 12505088 2681 33554432000 4194304 6058637 140736608220192 140736608218952 4278190 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 3053 2681 175 456 0 2589 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 12212
[startup+12.7003 s]
/proc/loadavg: 2.24 2.20 2.18 3/177 16020
/proc/meminfo: memFree=30608496/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=13812 CPUtime=12.69 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 3674 0 0 0 1269 0 0 0 20 0 1 0 13323613 14143488 3081 33554432000 4194304 6058637 140736608220192 140736608218952 4261321 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 3453 3081 175 456 0 2989 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 13812
[startup+25.5003 s]
/proc/loadavg: 2.28 2.21 2.18 3/177 16020
/proc/meminfo: memFree=30601704/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=22860 CPUtime=25.49 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 4290 0 0 0 2549 0 0 0 20 0 1 0 13323613 23408640 4659 33554432000 4194304 6058637 140736608220192 140736608218920 4277357 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 5715 4659 175 456 0 5251 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 22860
[startup+51.1003 s]
/proc/loadavg: 2.32 2.22 2.19 4/177 16020
/proc/meminfo: memFree=30591532/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=27280 CPUtime=51.08 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 5075 0 0 0 5108 0 0 0 20 0 1 0 13323613 27934720 6432 33554432000 4194304 6058637 140736608220192 140736608218952 4278348 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 6820 6432 175 456 0 6356 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 27280
[startup+102.3 s]
/proc/loadavg: 2.27 2.22 2.18 4/177 16021
/proc/meminfo: memFree=30577052/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=34696 CPUtime=102.28 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 5465 0 0 0 10228 0 0 0 20 0 1 0 13323613 35528704 8227 33554432000 4194304 6058637 140736608220192 140736608218920 4278197 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 8674 8227 175 456 0 8210 0
Current children cumulated CPU time (s) 102.28
Current children cumulated vsize (KiB) 34696
[startup+162.3 s]
/proc/loadavg: 2.16 2.19 2.18 3/176 16022
/proc/meminfo: memFree=30566548/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=34696 CPUtime=162.27 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 5911 0 0 0 16226 1 0 0 20 0 1 0 13323613 35528704 8286 33554432000 4194304 6058637 140736608220192 140736608219256 4278287 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 8674 8286 175 456 0 8210 0
Current children cumulated CPU time (s) 162.27
Current children cumulated vsize (KiB) 34696
[startup+222.307 s]
/proc/loadavg: 2.10 2.17 2.17 3/177 16024
/proc/meminfo: memFree=30552176/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=53372 CPUtime=222.26 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 6324 0 0 0 22225 1 0 0 20 0 1 0 13323613 54652928 11750 33554432000 4194304 6058637 140736608220192 140736608218920 4278162 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 13343 11750 175 456 0 12879 0
Current children cumulated CPU time (s) 222.26
Current children cumulated vsize (KiB) 53372
[startup+282.3 s]
/proc/loadavg: 2.21 2.18 2.18 3/177 16026
/proc/meminfo: memFree=30549140/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=53372 CPUtime=282.24 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 6530 0 0 0 28223 1 0 0 20 0 1 0 13323613 54652928 12455 33554432000 4194304 6058637 140736608220192 140736608218920 4278287 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 13343 12455 175 456 0 12879 0
Current children cumulated CPU time (s) 282.24
Current children cumulated vsize (KiB) 53372
[startup+342.3 s]
/proc/loadavg: 2.38 2.22 2.19 3/177 16027
/proc/meminfo: memFree=30537500/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=53372 CPUtime=342.23 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 6530 0 0 0 34222 1 0 0 20 0 1 0 13323613 54652928 12455 33554432000 4194304 6058637 140736608220192 140736608218920 4277708 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 13343 12455 175 456 0 12879 0
Current children cumulated CPU time (s) 342.23
Current children cumulated vsize (KiB) 53372
[startup+402.3 s]
/proc/loadavg: 2.37 2.24 2.19 3/177 16028
/proc/meminfo: memFree=30534060/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=53372 CPUtime=402.23 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 6531 0 0 0 40221 2 0 0 20 0 1 0 13323613 54652928 12967 33554432000 4194304 6058637 140736608220192 140736608218920 4278233 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 13343 12967 175 456 0 12879 0
Current children cumulated CPU time (s) 402.23
Current children cumulated vsize (KiB) 53372
[startup+462.3 s]
/proc/loadavg: 2.33 2.26 2.20 3/178 16032
/proc/meminfo: memFree=30516644/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=53372 CPUtime=462.22 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 6531 0 0 0 46220 2 0 0 20 0 1 0 13323613 54652928 12967 33554432000 4194304 6058637 140736608220192 140736608218920 4277776 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 13343 12967 175 456 0 12879 0
Current children cumulated CPU time (s) 462.22
Current children cumulated vsize (KiB) 53372
[startup+522.3 s]
/proc/loadavg: 2.25 2.24 2.19 3/177 16033
/proc/meminfo: memFree=30510980/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=57496 CPUtime=522.21 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 7073 0 0 0 52219 2 0 0 20 0 1 0 13323613 58875904 13998 33554432000 4194304 6058637 140736608220192 140736608218952 4278328 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 14374 13998 175 456 0 13910 0
Current children cumulated CPU time (s) 522.21
Current children cumulated vsize (KiB) 57496
[startup+582.3 s]
/proc/loadavg: 2.20 2.24 2.19 3/177 16035
/proc/meminfo: memFree=30510328/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=58492 CPUtime=582.2 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 7333 0 0 0 58218 2 0 0 20 0 1 0 13323613 59895808 14247 33554432000 4194304 6058637 140736608220192 140736608218952 4246112 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 14623 14247 175 456 0 14159 0
Current children cumulated CPU time (s) 582.2
Current children cumulated vsize (KiB) 58492
[startup+642.3 s]
/proc/loadavg: 2.30 2.25 2.19 3/177 16036
/proc/meminfo: memFree=30509428/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=59204 CPUtime=642.2 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 7522 0 0 0 64217 3 0 0 20 0 1 0 13323613 60624896 14425 33554432000 4194304 6058637 140736608220192 140736608218952 4277682 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 14801 14425 175 456 0 14337 0
Current children cumulated CPU time (s) 642.2
Current children cumulated vsize (KiB) 59204
[startup+702.3 s]
/proc/loadavg: 2.16 2.22 2.18 4/177 16037
/proc/meminfo: memFree=30507420/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=60908 CPUtime=702.19 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 7969 0 0 0 70216 3 0 0 20 0 1 0 13323613 62369792 14855 33554432000 4194304 6058637 140736608220192 140736608218952 4278268 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 15227 14855 175 456 0 14763 0
Current children cumulated CPU time (s) 702.19
Current children cumulated vsize (KiB) 60908
[startup+762.3 s]
/proc/loadavg: 2.13 2.19 2.17 4/177 16038
/proc/meminfo: memFree=30506600/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=63044 CPUtime=762.18 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 8213 0 0 0 76215 3 0 0 20 0 1 0 13323613 64557056 15087 33554432000 4194304 6058637 140736608220192 140736608218952 4277748 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 15761 15087 175 456 0 15297 0
Current children cumulated CPU time (s) 762.18
Current children cumulated vsize (KiB) 63044
Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 16019 sig 9
??? end of watcher thread
Dumping a history of the last processes samples
[startup+768 s]
/proc/loadavg: 2.12 2.19 2.17 4/177 16038
/proc/meminfo: memFree=30505856/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=63044 CPUtime=767.88 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 8417 0 0 0 76785 3 0 0 20 0 1 0 13323613 64557056 15281 33554432000 4194304 6058637 140736608220192 140736608218952 4277640 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 15761 15281 175 456 0 15297 0
Current children cumulated CPU time (s) 767.88
Current children cumulated vsize (KiB) 63044
[startup+771.207 s]
/proc/loadavg: 2.11 2.19 2.17 3/177 16038
/proc/meminfo: memFree=30505856/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=63044 CPUtime=771.08 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 8417 0 0 0 77105 3 0 0 20 0 1 0 13323613 64557056 15281 33554432000 4194304 6058637 140736608220192 140736608218952 4278137 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 15761 15281 175 456 0 15297 0
Current children cumulated CPU time (s) 771.08
Current children cumulated vsize (KiB) 63044
[startup+772.8 s]
/proc/loadavg: 2.11 2.19 2.17 4/177 16038
/proc/meminfo: memFree=30505856/32872528 swapFree=1199464/1313928
[pid=16019] ppid=16016 vsize=63044 CPUtime=772.68 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 8417 0 0 0 77265 3 0 0 20 0 1 0 13323613 64557056 15281 33554432000 4194304 6058637 140736608220192 140736608218952 4277378 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 15761 15281 175 456 0 15297 0
Current children cumulated CPU time (s) 772.68
Current children cumulated vsize (KiB) 63044
[startup+773.6 s]
/proc/loadavg: 2.11 2.19 2.17 4/177 16038
/proc/meminfo: memFree=30505856/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=63044 CPUtime=773.48 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 8417 0 0 0 77345 3 0 0 20 0 1 0 13323613 64557056 15281 33554432000 4194304 6058637 140736608220192 140736608218952 4261465 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 15761 15281 175 456 0 15297 0
Current children cumulated CPU time (s) 773.48
Current children cumulated vsize (KiB) 63044
[startup+774 s]
/proc/loadavg: 2.11 2.19 2.17 4/177 16038
/proc/meminfo: memFree=30505856/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=63044 CPUtime=773.88 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 8417 0 0 0 77385 3 0 0 20 0 1 0 13323613 64557056 15281 33554432000 4194304 6058637 140736608220192 140736608218952 4277708 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 15761 15281 175 456 0 15297 0
Current children cumulated CPU time (s) 773.88
Current children cumulated vsize (KiB) 63044
[startup+774.1 s]
/proc/loadavg: 2.11 2.19 2.17 4/177 16038
/proc/meminfo: memFree=30505856/32872528 swapFree=1199460/1313924
[pid=16019] ppid=16016 vsize=63044 CPUtime=773.98 cores=1,3,5,7
/proc/16019/stat : 16019 (open-wbo-lsu) R 16016 16019 13694 0 -1 4202496 8417 0 0 0 77395 3 0 0 20 0 1 0 13323613 64557056 15281 33554432000 4194304 6058637 140736608220192 140736608218952 4277594 0 0 4096 8404992 0 0 0 17 3 0 0 0 0 0
/proc/16019/statm: 15761 15281 175 456 0 15297 0
Current children cumulated CPU time (s) 773.98
Current children cumulated vsize (KiB) 63044
Child status: 20
Real time (s): 774.162
CPU time (s): 774.044
CPU user time (s): 774.01
CPU system time (s): 0.033994
CPU usage (%): 99.9848
Max. virtual memory (cumulated for all children) (KiB): 63044
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 774.01
system time used= 0.033994
maximum resident set size= 61136
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8420
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= 3
involuntary context switches= 851
??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 2.08568 second user time and 2.99554 second system time
The end