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-4106260-1466270189/watcher-4106260-1466270189 -o /tmp/evaluation-result-4106260-1466270189/solver-4106260-1466270189 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node130-1466264922-3637 --watchdog 1960 java -jar sat4j-pb.jar Both HOME/instance-4106260-1466270189.opb
pid=7792
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: 3.28 3.27 3.37 4/197 7795
/proc/meminfo: memFree=28099268/32872528 swapFree=1286400/1433568
[pid=7795] ppid=7792 vsize=23236 CPUtime=0 cores=0,2,4,6
/proc/7795/stat : 7795 (java) R 7792 7795 3621 0 -1 4202496 1057 0 0 0 0 0 0 0 20 0 1 0 29065705 23793664 706 33554432000 1073741824 1073778376 140735688024624 140735688013688 214360486864 0 0 4096 0 0 0 0 17 0 0 0 0 0 0
/proc/7795/statm: 5809 707 521 9 0 128 0
[startup+0.10006 s]
/proc/loadavg: 3.28 3.27 3.37 4/197 7795
/proc/meminfo: memFree=28099268/32872528 swapFree=1286400/1433568
[pid=7795] ppid=7792 vsize=9558476 CPUtime=0.09 cores=0,2,4,6
/proc/7795/stat : 7795 (java) S 7792 7795 3621 0 -1 4202496 4418 0 1 0 8 1 0 0 20 0 18 0 29065705 9787879424 6050 33554432000 1073741824 1073778376 140735688024624 140735688015760 214373007421 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/7795/statm: 2389619 6050 2129 9 0 2380296 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9558476
[startup+0.200223 s]
/proc/loadavg: 3.28 3.27 3.37 4/197 7795
/proc/meminfo: memFree=28099268/32872528 swapFree=1286400/1433568
[pid=7795] ppid=7792 vsize=9824732 CPUtime=0.28 cores=0,2,4,6
/proc/7795/stat : 7795 (java) S 7792 7795 3621 0 -1 4202496 5981 0 1 0 26 2 0 0 20 0 22 0 29065705 10060525568 8693 33554432000 1073741824 1073778376 140735688024624 140735688015760 214373007421 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/7795/statm: 2456183 8693 2214 9 0 2446860 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 9824732
[startup+0.300228 s]
/proc/loadavg: 3.28 3.27 3.37 4/197 7795
/proc/meminfo: memFree=28099268/32872528 swapFree=1286400/1433568
[pid=7795] ppid=7792 vsize=9824732 CPUtime=0.68 cores=0,2,4,6
/proc/7795/stat : 7795 (java) S 7792 7795 3621 0 -1 4202496 11630 0 1 0 65 3 0 0 20 0 22 0 29065705 10060525568 13158 33554432000 1073741824 1073778376 140735688024624 140735688015760 214373007421 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/7795/statm: 2456183 13158 2229 9 0 2446860 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 9824732
[startup+0.70021 s]
/proc/loadavg: 3.28 3.27 3.37 4/197 7795
/proc/meminfo: memFree=28099268/32872528 swapFree=1286400/1433568
[pid=7795] ppid=7792 vsize=9824732 CPUtime=1.31 cores=0,2,4,6
/proc/7795/stat : 7795 (java) S 7792 7795 3621 0 -1 4202496 13267 0 1 0 126 5 0 0 20 0 22 0 29065705 10060525568 15976 33554432000 1073741824 1073778376 140735688024624 140735688015760 214373007421 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/7795/statm: 2456183 15976 2243 9 0 2446860 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 9824732
[startup+1.5008 s]
/proc/loadavg: 3.26 3.27 3.37 4/216 7820
/proc/meminfo: memFree=28019788/32872528 swapFree=1286400/1433568
[pid=7795] ppid=7792 vsize=9824732 CPUtime=2.2 cores=0,2,4,6
/proc/7795/stat : 7795 (java) S 7792 7795 3621 0 -1 4202496 21840 0 1 0 212 8 0 0 20 0 19 0 29065705 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140735688015760 214373007421 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/7795/statm: 2456183 22128 2254 9 0 2446860 0
[pid=7795/tid=7797] ppid=7792 vsize=9824732 CPUtime=0.14 cores=0,2,4,6
/proc/7795/task/7797/stat : 7797 (java) S 7792 7795 3621 0 -1 4202560 2412 0 1 0 12 2 0 0 20 0 19 0 29065706 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401823675256 214373021609 0 4 0 16800975 18446744071579510697 0 0 -1 0 0 0 0 0 0
[pid=7795/tid=7798] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7798/stat : 7798 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065706 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401812736680 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7799] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7799/stat : 7799 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065706 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401811684136 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 0 0 0 0 0 0
[pid=7795/tid=7800] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7800/stat : 7800 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065707 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401664801704 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 6 0 0 0 0 0
[pid=7795/tid=7801] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7801/stat : 7801 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065707 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401663749160 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 2 0 0 0 0 0
[pid=7795/tid=7802] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7802/stat : 7802 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065707 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401662695592 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7803] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7803/stat : 7803 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065707 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401661643048 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 0 0 0 0 0 0
[pid=7795/tid=7804] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7804/stat : 7804 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065707 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401660590504 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 2 0 0 0 0 0
[pid=7795/tid=7805] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7805/stat : 7805 (java) S 7792 7795 3621 0 -1 4202560 3 0 0 0 0 0 0 0 20 0 19 0 29065707 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401659537960 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7806] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7806/stat : 7806 (java) S 7792 7795 3621 0 -1 4202560 4 0 0 0 0 0 0 0 20 0 19 0 29065708 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401647340136 214373021609 0 0 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7807] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7807/stat : 7807 (java) S 7792 7795 3621 0 -1 4202560 16 0 0 0 0 0 0 0 20 0 19 0 29065708 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401646286456 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7808] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7808/stat : 7808 (java) S 7792 7795 3621 0 -1 4202560 7 0 0 0 0 0 0 0 20 0 19 0 29065708 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401645233800 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7809] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7809/stat : 7809 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065710 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401644182544 214373029664 0 4 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7810] ppid=7792 vsize=9824732 CPUtime=0.69 cores=0,2,4,6
/proc/7795/task/7810/stat : 7810 (java) S 7792 7795 3621 0 -1 4202560 8889 0 0 0 67 2 0 0 20 0 19 0 29065710 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401643128888 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 0 0 0 0 0 0
[pid=7795/tid=7811] ppid=7792 vsize=9824732 CPUtime=0.58 cores=0,2,4,6
/proc/7795/task/7811/stat : 7811 (java) S 7792 7795 3621 0 -1 4202560 9162 0 0 0 57 1 0 0 20 0 19 0 29065710 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401642076344 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 6 0 0 0 0 0
[pid=7795/tid=7812] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7812/stat : 7812 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065710 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401641023992 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 6 0 0 0 0 0
[pid=7795/tid=7813] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7813/stat : 7813 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065710 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401639971656 214373021609 0 4 0 16800975 18446744071579510697 0 0 -1 0 0 0 0 0 0
[pid=7795/tid=7816] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7816/stat : 7816 (java) S 7792 7795 3621 0 -1 4202560 7 0 0 0 0 0 0 0 20 0 19 0 29065722 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401636812328 214373021609 0 4 0 16800975 18446744071579510697 0 0 -1 0 0 0 0 0 0
Current children cumulated CPU time (s) 2.2
Current children cumulated vsize (KiB) 9824732
Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 7795 sig 9
??? end of watcher thread
Dumping a history of the last processes samples
[startup+1.60095 s]
/proc/loadavg: 3.26 3.27 3.37 4/216 7820
/proc/meminfo: memFree=28019788/32872528 swapFree=1286400/1433568
[pid=7795] ppid=7792 vsize=9824732 CPUtime=2.2 cores=0,2,4,6
/proc/7795/stat : 7795 (java) S 7792 7795 3621 0 -1 4202496 21840 0 1 0 212 8 0 0 20 0 19 0 29065705 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140735688015760 214373007421 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/7795/statm: 2456183 22128 2254 9 0 2446860 0
[pid=7795/tid=7797] ppid=7792 vsize=9824732 CPUtime=0.14 cores=0,2,4,6
/proc/7795/task/7797/stat : 7797 (java) S 7792 7795 3621 0 -1 4202560 2412 0 1 0 12 2 0 0 20 0 19 0 29065706 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401823675256 214373021609 0 4 0 16800975 18446744071579510697 0 0 -1 0 0 0 0 0 0
[pid=7795/tid=7798] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7798/stat : 7798 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065706 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401812736680 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7799] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7799/stat : 7799 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065706 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401811684136 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 0 0 0 0 0 0
[pid=7795/tid=7800] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7800/stat : 7800 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065707 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401664801704 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 6 0 0 0 0 0
[pid=7795/tid=7801] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7801/stat : 7801 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065707 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401663749160 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 2 0 0 0 0 0
[pid=7795/tid=7802] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7802/stat : 7802 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065707 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401662695592 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7803] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7803/stat : 7803 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065707 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401661643048 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 0 0 0 0 0 0
[pid=7795/tid=7804] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7804/stat : 7804 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065707 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401660590504 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 2 0 0 0 0 0
[pid=7795/tid=7805] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7805/stat : 7805 (java) S 7792 7795 3621 0 -1 4202560 3 0 0 0 0 0 0 0 20 0 19 0 29065707 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401659537960 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7806] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7806/stat : 7806 (java) S 7792 7795 3621 0 -1 4202560 4 0 0 0 0 0 0 0 20 0 19 0 29065708 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401647340136 214373021609 0 0 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7807] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7807/stat : 7807 (java) S 7792 7795 3621 0 -1 4202560 16 0 0 0 0 0 0 0 20 0 19 0 29065708 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401646286456 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7808] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7808/stat : 7808 (java) S 7792 7795 3621 0 -1 4202560 7 0 0 0 0 0 0 0 20 0 19 0 29065708 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401645233800 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7809] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7809/stat : 7809 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065710 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401644182544 214373029664 0 4 0 16800975 18446744071579510697 0 0 -1 4 0 0 0 0 0
[pid=7795/tid=7810] ppid=7792 vsize=9824732 CPUtime=0.69 cores=0,2,4,6
/proc/7795/task/7810/stat : 7810 (java) S 7792 7795 3621 0 -1 4202560 8889 0 0 0 67 2 0 0 20 0 19 0 29065710 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401643128888 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 0 0 0 0 0 0
[pid=7795/tid=7811] ppid=7792 vsize=9824732 CPUtime=0.58 cores=0,2,4,6
/proc/7795/task/7811/stat : 7811 (java) S 7792 7795 3621 0 -1 4202560 9162 0 0 0 57 1 0 0 20 0 19 0 29065710 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401642076344 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 6 0 0 0 0 0
[pid=7795/tid=7812] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7812/stat : 7812 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065710 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401641023992 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 6 0 0 0 0 0
[pid=7795/tid=7813] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7813/stat : 7813 (java) S 7792 7795 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 29065710 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401639971656 214373021609 0 4 0 16800975 18446744071579510697 0 0 -1 0 0 0 0 0 0
[pid=7795/tid=7816] ppid=7792 vsize=9824732 CPUtime=0 cores=0,2,4,6
/proc/7795/task/7816/stat : 7816 (java) S 7792 7795 3621 0 -1 4202560 7 0 0 0 0 0 0 0 20 0 19 0 29065722 10060525568 22128 33554432000 1073741824 1073778376 140735688024624 140401636812328 214373021609 0 4 0 16800975 18446744071579510697 0 0 -1 0 0 0 0 0 0
Current children cumulated CPU time (s) 2.2
Current children cumulated vsize (KiB) 9824732
Child status: 30
Real time (s): 1.68785
CPU time (s): 2.25366
CPU user time (s): 2.12068
CPU system time (s): 0.132979
CPU usage (%): 133.523
Max. virtual memory (cumulated for all children) (KiB): 9824732
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.12068
system time used= 0.132979
maximum resident set size= 90632
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 21846
page faults= 1
swaps= 0
block input operations= 0
block output operations= 64
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 304
involuntary context switches= 59
??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.011998 second user time and 0.007998 second system time
The end