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-4083545-1465354682/watcher-4083545-1465354682 -o /tmp/evaluation-result-4083545-1465354682/solver-4083545-1465354682 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node137-1465326371-24673 --watchdog 1960 open-wbo-lsu HOME/instance-4083545-1465354682.opb
pid=29184
running on 4 cores: 0,2,4,6
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: 2.18 2.25 2.20 3/176 29187
/proc/meminfo: memFree=25980928/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=8636 CPUtime=0 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 1910 0 0 0 0 0 0 0 20 0 1 0 117400047 8843264 1785 33554432000 4194304 6058637 140735537818048 140734599286072 5042435 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 2159 1785 1743 456 0 87 0
[startup+0.100156 s]
/proc/loadavg: 2.18 2.25 2.20 3/176 29187
/proc/meminfo: memFree=25980928/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=10344 CPUtime=0.09 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 2328 0 0 0 9 0 0 0 20 0 1 0 117400047 10592256 2203 33554432000 4194304 6058637 140735537818048 140734599286072 5042435 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 2586 2203 1743 456 0 514 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10344
[startup+0.20029 s]
/proc/loadavg: 2.18 2.25 2.20 3/176 29187
/proc/meminfo: memFree=25980928/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=12140 CPUtime=0.19 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 2743 0 0 0 19 0 0 0 20 0 1 0 117400047 12431360 2618 33554432000 4194304 6058637 140735537818048 140734599286072 5042435 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 3035 2618 1743 456 0 963 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 12140
[startup+0.300266 s]
/proc/loadavg: 2.18 2.25 2.20 3/176 29187
/proc/meminfo: memFree=25980928/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=14020 CPUtime=0.29 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 3156 0 0 0 29 0 0 0 20 0 1 0 117400047 14356480 3031 33554432000 4194304 6058637 140735537818048 140735537816408 5042435 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 3505 3031 1743 456 0 1433 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 14020
[startup+0.70024 s]
/proc/loadavg: 2.18 2.25 2.20 3/176 29187
/proc/meminfo: memFree=25980928/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=22300 CPUtime=0.69 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 6142 0 0 0 69 0 0 0 20 0 1 0 117400047 22835200 4850 33554432000 4194304 6058637 140735537818048 140735537816408 5042435 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 5575 4852 153 456 0 5111 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 22300
[startup+1.5003 s]
/proc/loadavg: 2.18 2.25 2.20 3/177 29188
/proc/meminfo: memFree=25894876/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=100692 CPUtime=1.49 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 21008 0 0 0 146 3 0 0 20 0 1 0 117400047 103108608 21946 33554432000 4194304 6058637 140735537818048 140735537816664 4277708 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 25173 21946 181 456 0 24709 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 100692
[startup+3.1003 s]
/proc/loadavg: 2.18 2.25 2.20 3/177 29188
/proc/meminfo: memFree=25893016/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=101232 CPUtime=3.09 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 21140 0 0 0 306 3 0 0 20 0 1 0 117400047 103661568 22589 33554432000 4194304 6058637 140735537818048 140735537816664 4278181 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 25308 22589 181 456 0 24844 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 101232
[startup+6.3003 s]
/proc/loadavg: 2.16 2.25 2.20 3/177 29188
/proc/meminfo: memFree=25889880/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=101964 CPUtime=6.29 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 21343 0 0 0 626 3 0 0 20 0 1 0 117400047 104411136 23303 33554432000 4194304 6058637 140735537818048 140735537816664 4246126 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 25491 23303 181 456 0 25027 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 101964
[startup+12.7003 s]
/proc/loadavg: 2.15 2.25 2.20 3/177 29188
/proc/meminfo: memFree=25886920/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=103240 CPUtime=12.69 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 22444 0 0 0 1265 4 0 0 20 0 1 0 117400047 105717760 22667 33554432000 4194304 6058637 140735537818048 140735537816664 4254552 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 25810 22667 182 456 0 25346 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 103240
[startup+25.5004 s]
/proc/loadavg: 2.12 2.23 2.19 4/177 29188
/proc/meminfo: memFree=25859508/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=152468 CPUtime=25.48 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 23885 0 0 0 2544 4 0 0 20 0 1 0 117400047 156127232 29861 33554432000 4194304 6058637 140735537818048 140735537816776 4277394 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 38117 29861 182 456 0 37653 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 152468
[startup+51.1004 s]
/proc/loadavg: 2.13 2.23 2.19 3/177 29234
/proc/meminfo: memFree=29703096/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=152468 CPUtime=51.08 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 24405 0 0 0 5103 5 0 0 20 0 1 0 117400047 156127232 34969 33554432000 4194304 6058637 140735537818048 140735537816776 4277357 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 38117 34969 182 456 0 37653 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 152468
[startup+102.3 s]
/proc/loadavg: 2.22 2.24 2.19 3/177 29235
/proc/meminfo: memFree=29691740/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=152468 CPUtime=102.27 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 24416 0 0 0 10222 5 0 0 20 0 1 0 117400047 156127232 34969 33554432000 4194304 6058637 140735537818048 140735537816776 4277663 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 38117 34969 182 456 0 37653 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 152468
[startup+162.3 s]
/proc/loadavg: 2.24 2.24 2.19 3/178 29284
/proc/meminfo: memFree=29285132/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=152468 CPUtime=162.25 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 24452 0 0 0 16220 5 0 0 20 0 1 0 117400047 156127232 35761 33554432000 4194304 6058637 140735537818048 140735537816776 4277708 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 38117 35761 182 456 0 37653 0
Current children cumulated CPU time (s) 162.25
Current children cumulated vsize (KiB) 152468
[startup+222.307 s]
/proc/loadavg: 2.18 2.22 2.18 3/178 29308
/proc/meminfo: memFree=29303312/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=152748 CPUtime=222.24 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 25310 0 0 0 22219 5 0 0 20 0 1 0 117400047 156413952 32196 33554432000 4194304 6058637 140735537818048 140735537816776 4255178 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 38187 32196 182 456 0 37723 0
Current children cumulated CPU time (s) 222.24
Current children cumulated vsize (KiB) 152748
[startup+282.3 s]
/proc/loadavg: 2.21 2.22 2.18 3/177 29309
/proc/meminfo: memFree=29284904/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=183096 CPUtime=282.23 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 27667 0 0 0 28215 8 0 0 20 0 1 0 117400047 187490304 39751 33554432000 4194304 6058637 140735537818048 140735537816824 4277640 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 45774 39751 182 456 0 45310 0
Current children cumulated CPU time (s) 282.23
Current children cumulated vsize (KiB) 183096
[startup+342.3 s]
/proc/loadavg: 2.21 2.22 2.18 4/177 29311
/proc/meminfo: memFree=29253608/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=183096 CPUtime=342.22 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 29135 0 0 0 34213 9 0 0 20 0 1 0 117400047 187490304 40775 33554432000 4194304 6058637 140735537818048 140735537816824 4278218 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 45774 40775 182 456 0 45310 0
Current children cumulated CPU time (s) 342.22
Current children cumulated vsize (KiB) 183096
[startup+402.3 s]
/proc/loadavg: 2.22 2.23 2.18 3/177 29312
/proc/meminfo: memFree=29247800/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=183096 CPUtime=402.22 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 30602 0 0 0 40211 11 0 0 20 0 1 0 117400047 187490304 40775 33554432000 4194304 6058637 140735537818048 140735537816824 4277687 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 45774 40775 182 456 0 45310 0
Current children cumulated CPU time (s) 402.22
Current children cumulated vsize (KiB) 183096
[startup+462.3 s]
/proc/loadavg: 2.21 2.21 2.18 3/177 29313
/proc/meminfo: memFree=29257712/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=183096 CPUtime=462.21 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 32070 0 0 0 46208 13 0 0 20 0 1 0 117400047 187490304 39751 33554432000 4194304 6058637 140735537818048 140735537816824 4277640 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 45774 39751 182 456 0 45310 0
Current children cumulated CPU time (s) 462.21
Current children cumulated vsize (KiB) 183096
[startup+522.3 s]
/proc/loadavg: 2.16 2.20 2.18 3/177 29314
/proc/meminfo: memFree=29238472/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=183096 CPUtime=522.19 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 33054 0 0 0 52205 14 0 0 20 0 1 0 117400047 187490304 40775 33554432000 4194304 6058637 140735537818048 140735537816824 4246444 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 45774 40775 182 456 0 45310 0
Current children cumulated CPU time (s) 522.19
Current children cumulated vsize (KiB) 183096
[startup+582.3 s]
/proc/loadavg: 2.26 2.22 2.18 4/177 29315
/proc/meminfo: memFree=29245044/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=183096 CPUtime=582.19 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 34037 0 0 0 58203 16 0 0 20 0 1 0 117400047 187490304 40775 33554432000 4194304 6058637 140735537818048 140735537816824 4277378 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 45774 40775 182 456 0 45310 0
Current children cumulated CPU time (s) 582.19
Current children cumulated vsize (KiB) 183096
[startup+642.3 s]
/proc/loadavg: 2.30 2.24 2.19 3/177 29317
/proc/meminfo: memFree=29290020/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=133776 CPUtime=642.17 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 34534 0 0 0 64201 16 0 0 20 0 1 0 117400047 136986624 31600 33554432000 4194304 6058637 140735537818048 140735537817112 4277378 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 33444 31600 182 456 0 32980 0
Current children cumulated CPU time (s) 642.17
Current children cumulated vsize (KiB) 133776
Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 29187 sig 9
??? end of watcher thread
Dumping a history of the last processes samples
[startup+665.607 s]
/proc/loadavg: 2.35 2.25 2.19 4/177 29318
/proc/meminfo: memFree=29240428/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=183096 CPUtime=665.48 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 35025 0 0 0 66531 17 0 0 20 0 1 0 117400047 187490304 42311 33554432000 4194304 6058637 140735537818048 140735537816824 4278255 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 45774 42311 182 456 0 45310 0
Current children cumulated CPU time (s) 665.48
Current children cumulated vsize (KiB) 183096
[startup+678.4 s]
/proc/loadavg: 2.30 2.24 2.19 3/177 29318
/proc/meminfo: memFree=29293664/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=133776 CPUtime=678.27 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 35027 0 0 0 67810 17 0 0 20 0 1 0 117400047 136986624 31600 33554432000 4194304 6058637 140735537818048 140735537817112 4277708 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 33444 31600 182 456 0 32980 0
Current children cumulated CPU time (s) 678.27
Current children cumulated vsize (KiB) 133776
[startup+684.8 s]
/proc/loadavg: 2.27 2.24 2.19 4/177 29318
/proc/meminfo: memFree=29291368/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=135576 CPUtime=684.67 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 35250 0 0 0 68450 17 0 0 20 0 1 0 117400047 138829824 31823 33554432000 4194304 6058637 140735537818048 140735537816648 4277335 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 33894 31823 182 456 0 33430 0
Current children cumulated CPU time (s) 684.67
Current children cumulated vsize (KiB) 135576
[startup+688 s]
/proc/loadavg: 2.25 2.23 2.19 3/177 29318
/proc/meminfo: memFree=29256616/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=184896 CPUtime=687.86 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 35736 0 0 0 68769 17 0 0 20 0 1 0 117400047 189333504 39974 33554432000 4194304 6058637 140735537818048 140735537816824 4277357 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 46224 39974 182 456 0 45760 0
Current children cumulated CPU time (s) 687.86
Current children cumulated vsize (KiB) 184896
[startup+689.6 s]
/proc/loadavg: 2.25 2.23 2.19 3/177 29318
/proc/meminfo: memFree=29256744/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=184896 CPUtime=689.46 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 35736 0 0 0 68929 17 0 0 20 0 1 0 117400047 189333504 39974 33554432000 4194304 6058637 140735537818048 140735537816824 4277708 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 46224 39974 182 456 0 45760 0
Current children cumulated CPU time (s) 689.46
Current children cumulated vsize (KiB) 184896
[startup+691.2 s]
/proc/loadavg: 2.23 2.23 2.19 3/177 29318
/proc/meminfo: memFree=29252648/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=184896 CPUtime=691.06 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 35737 0 0 0 69089 17 0 0 20 0 1 0 117400047 189333504 40486 33554432000 4194304 6058637 140735537818048 140735537816824 4277708 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 46224 40486 182 456 0 45760 0
Current children cumulated CPU time (s) 691.06
Current children cumulated vsize (KiB) 184896
[startup+692.007 s]
/proc/loadavg: 2.23 2.23 2.19 3/177 29318
/proc/meminfo: memFree=29252648/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=184896 CPUtime=691.87 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 35737 0 0 0 69170 17 0 0 20 0 1 0 117400047 189333504 40486 33554432000 4194304 6058637 140735537818048 140735537816824 4277378 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 46224 40486 182 456 0 45760 0
Current children cumulated CPU time (s) 691.87
Current children cumulated vsize (KiB) 184896
[startup+692.2 s]
/proc/loadavg: 2.23 2.23 2.19 3/177 29318
/proc/meminfo: memFree=29252648/32872528 swapFree=18240/1696364
[pid=29187] ppid=29184 vsize=135576 CPUtime=692.06 cores=0,2,4,6
/proc/29187/stat : 29187 (open-wbo-lsu) R 29184 29187 24657 0 -1 4202496 35737 0 0 0 69189 17 0 0 20 0 1 0 117400047 138829824 31823 33554432000 4194304 6058637 140735537818048 140735537816824 4277378 0 0 4096 8404992 0 0 0 17 4 0 0 0 0 0
/proc/29187/statm: 33894 31823 182 456 0 33430 0
Current children cumulated CPU time (s) 692.06
Current children cumulated vsize (KiB) 135576
Child status: 20
Real time (s): 692.215
CPU time (s): 692.094
CPU user time (s): 691.911
CPU system time (s): 0.182972
CPU usage (%): 99.9825
Max. virtual memory (cumulated for all children) (KiB): 213444
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 691.911
system time used= 0.182972
maximum resident set size= 187304
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 35740
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= 23
involuntary context switches= 711
??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 3.84441 second user time and 5.51616 second system time
The end