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-4106104-1466268624/watcher-4106104-1466268624 -o /tmp/evaluation-result-4106104-1466268624/solver-4106104-1466268624 -C 1800 -W 1900 -M 15500 --bin-var /tmp/runsolver-exch-node130-1466264922-3638 --watchdog 1960 java -jar sat4j-pb.jar Both HOME/instance-4106104-1466268624.opb
pid=6700
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: 3.28 3.81 4.01 3/197 6703
/proc/meminfo: memFree=28932688/32872528 swapFree=1286400/1433568
[pid=6703] ppid=6700 vsize=23236 CPUtime=0 cores=1,3,5,7
/proc/6703/stat : 6703 (java) R 6700 6703 3621 0 -1 4202496 1059 0 0 0 0 0 0 0 20 0 1 0 28909192 23793664 710 33554432000 1073741824 1073778376 140735313042704 140735313031768 214360438864 0 0 4096 0 0 0 0 17 5 0 0 0 0 0
/proc/6703/statm: 5809 711 526 9 0 128 0
[startup+0.10006 s]
/proc/loadavg: 3.28 3.81 4.01 3/197 6703
/proc/meminfo: memFree=28932688/32872528 swapFree=1286400/1433568
[pid=6703] ppid=6700 vsize=9558476 CPUtime=0.1 cores=1,3,5,7
/proc/6703/stat : 6703 (java) S 6700 6703 3621 0 -1 4202496 4443 0 1 0 9 1 0 0 20 0 18 0 28909192 9787879424 6081 33554432000 1073741824 1073778376 140735313042704 140735313033840 214373007421 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/6703/statm: 2389619 6082 2141 9 0 2380296 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 9558476
[startup+0.200227 s]
/proc/loadavg: 3.28 3.81 4.01 3/197 6703
/proc/meminfo: memFree=28932688/32872528 swapFree=1286400/1433568
[pid=6703] ppid=6700 vsize=9824732 CPUtime=0.32 cores=1,3,5,7
/proc/6703/stat : 6703 (java) S 6700 6703 3621 0 -1 4202496 6377 0 1 0 31 1 0 0 20 0 22 0 28909192 10060525568 8942 33554432000 1073741824 1073778376 140735313042704 140735313033840 214373007421 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/6703/statm: 2456183 8942 2223 9 0 2446860 0
Current children cumulated CPU time (s) 0.32
Current children cumulated vsize (KiB) 9824732
[startup+0.300246 s]
/proc/loadavg: 3.28 3.81 4.01 3/197 6703
/proc/meminfo: memFree=28932688/32872528 swapFree=1286400/1433568
[pid=6703] ppid=6700 vsize=9824732 CPUtime=0.72 cores=1,3,5,7
/proc/6703/stat : 6703 (java) S 6700 6703 3621 0 -1 4202496 10199 0 1 0 71 1 0 0 20 0 22 0 28909192 10060525568 11471 33554432000 1073741824 1073778376 140735313042704 140735313033840 214373007421 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/6703/statm: 2456183 11471 2229 9 0 2446860 0
Current children cumulated CPU time (s) 0.72
Current children cumulated vsize (KiB) 9824732
[startup+0.700193 s]
/proc/loadavg: 3.28 3.81 4.01 3/197 6703
/proc/meminfo: memFree=28932688/32872528 swapFree=1286400/1433568
[pid=6703] ppid=6700 vsize=9824732 CPUtime=1.98 cores=1,3,5,7
/proc/6703/stat : 6703 (java) S 6700 6703 3621 0 -1 4202496 17699 0 1 0 193 5 0 0 20 0 22 0 28909192 10060525568 23407 33554432000 1073741824 1073778376 140735313042704 140735313033840 214373007421 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/6703/statm: 2456183 23407 2254 9 0 2446860 0
Current children cumulated CPU time (s) 1.98
Current children cumulated vsize (KiB) 9824732
[startup+1.50086 s]
/proc/loadavg: 3.49 3.85 4.02 6/219 6728
/proc/meminfo: memFree=28756932/32872528 swapFree=1286400/1433568
[pid=6703] ppid=6700 vsize=9824732 CPUtime=4.09 cores=1,3,5,7
/proc/6703/stat : 6703 (java) S 6700 6703 3621 0 -1 4202496 26329 0 1 0 397 12 0 0 20 0 19 0 28909192 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 140735313033840 214373007421 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/6703/statm: 2456183 47168 2273 9 0 2446860 0
[pid=6703/tid=6705] ppid=6700 vsize=9824732 CPUtime=0.12 cores=1,3,5,7
/proc/6703/task/6705/stat : 6705 (java) S 6700 6703 3621 0 -1 4202560 2402 0 1 0 11 1 0 0 20 0 19 0 28909192 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812910613368 214373021609 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=6703/tid=6706] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6706/stat : 6706 (java) S 6700 6703 3621 0 -1 4202560 6 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812872104104 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6707] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6707/stat : 6707 (java) S 6700 6703 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812871051560 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=6703/tid=6708] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6708/stat : 6708 (java) S 6700 6703 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812869999016 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=6703/tid=6709] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6709/stat : 6709 (java) S 6700 6703 3621 0 -1 4202560 5 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812868946472 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=6703/tid=6710] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6710/stat : 6710 (java) S 6700 6703 3621 0 -1 4202560 5 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812867893928 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6711] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6711/stat : 6711 (java) S 6700 6703 3621 0 -1 4202560 9 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812866841384 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 7 0 0 0 0 0
[pid=6703/tid=6712] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6712/stat : 6712 (java) S 6700 6703 3621 0 -1 4202560 2 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812865788840 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=6703/tid=6713] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6713/stat : 6713 (java) S 6700 6703 3621 0 -1 4202560 3 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812864736296 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6714] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6714/stat : 6714 (java) S 6700 6703 3621 0 -1 4202560 8 0 0 0 0 0 0 0 20 0 19 0 28909194 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812733835368 214373021609 0 0 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=6703/tid=6715] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6715/stat : 6715 (java) S 6700 6703 3621 0 -1 4202560 17 0 0 0 0 0 0 0 20 0 19 0 28909195 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812732781688 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6716] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6716/stat : 6716 (java) S 6700 6703 3621 0 -1 4202560 8 0 0 0 0 0 0 0 20 0 19 0 28909195 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812731729032 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6717] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6717/stat : 6717 (java) S 6700 6703 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 28909197 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812730677776 214373029664 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6718] ppid=6700 vsize=9824732 CPUtime=1.29 cores=1,3,5,7
/proc/6703/task/6718/stat : 6718 (java) S 6700 6703 3621 0 -1 4202560 12043 0 0 0 127 2 0 0 20 0 19 0 28909197 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812729625144 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 7 0 0 0 0 0
[pid=6703/tid=6719] ppid=6700 vsize=9824732 CPUtime=0.9 cores=1,3,5,7
/proc/6703/task/6719/stat : 6719 (java) S 6700 6703 3621 0 -1 4202560 10435 0 0 0 88 2 0 0 20 0 19 0 28909197 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139811855788728 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=6703/tid=6720] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6720/stat : 6720 (java) S 6700 6703 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 28909197 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139811854736376 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=6703/tid=6721] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6721/stat : 6721 (java) S 6700 6703 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 28909197 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139811853684040 214373021609 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6728] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6728/stat : 6728 (java) S 6700 6703 3621 0 -1 4202560 2 0 0 0 0 0 0 0 20 0 19 0 28909257 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139811850524200 214373021609 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
Current children cumulated CPU time (s) 4.09
Current children cumulated vsize (KiB) 9824732
Solver just ended.
??? exit watcher main loop
??? sigkill at end of watcher main loop
??? kill 6703 sig 9
??? end of watcher thread
Dumping a history of the last processes samples
[startup+1.60107 s]
/proc/loadavg: 3.49 3.85 4.02 6/219 6728
/proc/meminfo: memFree=28756932/32872528 swapFree=1286400/1433568
[pid=6703] ppid=6700 vsize=9824732 CPUtime=4.09 cores=1,3,5,7
/proc/6703/stat : 6703 (java) S 6700 6703 3621 0 -1 4202496 26329 0 1 0 397 12 0 0 20 0 19 0 28909192 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 140735313033840 214373007421 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0 0 0
/proc/6703/statm: 2456183 47168 2273 9 0 2446860 0
[pid=6703/tid=6705] ppid=6700 vsize=9824732 CPUtime=0.12 cores=1,3,5,7
/proc/6703/task/6705/stat : 6705 (java) S 6700 6703 3621 0 -1 4202560 2402 0 1 0 11 1 0 0 20 0 19 0 28909192 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812910613368 214373021609 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=6703/tid=6706] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6706/stat : 6706 (java) S 6700 6703 3621 0 -1 4202560 6 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812872104104 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6707] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6707/stat : 6707 (java) S 6700 6703 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812871051560 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=6703/tid=6708] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6708/stat : 6708 (java) S 6700 6703 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812869999016 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=6703/tid=6709] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6709/stat : 6709 (java) S 6700 6703 3621 0 -1 4202560 5 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812868946472 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=6703/tid=6710] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6710/stat : 6710 (java) S 6700 6703 3621 0 -1 4202560 5 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812867893928 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6711] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6711/stat : 6711 (java) S 6700 6703 3621 0 -1 4202560 9 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812866841384 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 7 0 0 0 0 0
[pid=6703/tid=6712] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6712/stat : 6712 (java) S 6700 6703 3621 0 -1 4202560 2 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812865788840 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=6703/tid=6713] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6713/stat : 6713 (java) S 6700 6703 3621 0 -1 4202560 3 0 0 0 0 0 0 0 20 0 19 0 28909193 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812864736296 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6714] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6714/stat : 6714 (java) S 6700 6703 3621 0 -1 4202560 8 0 0 0 0 0 0 0 20 0 19 0 28909194 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812733835368 214373021609 0 0 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=6703/tid=6715] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6715/stat : 6715 (java) S 6700 6703 3621 0 -1 4202560 17 0 0 0 0 0 0 0 20 0 19 0 28909195 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812732781688 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6716] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6716/stat : 6716 (java) S 6700 6703 3621 0 -1 4202560 8 0 0 0 0 0 0 0 20 0 19 0 28909195 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812731729032 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6717] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6717/stat : 6717 (java) S 6700 6703 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 28909197 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812730677776 214373029664 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6718] ppid=6700 vsize=9824732 CPUtime=1.29 cores=1,3,5,7
/proc/6703/task/6718/stat : 6718 (java) S 6700 6703 3621 0 -1 4202560 12043 0 0 0 127 2 0 0 20 0 19 0 28909197 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139812729625144 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 7 0 0 0 0 0
[pid=6703/tid=6719] ppid=6700 vsize=9824732 CPUtime=0.9 cores=1,3,5,7
/proc/6703/task/6719/stat : 6719 (java) S 6700 6703 3621 0 -1 4202560 10435 0 0 0 88 2 0 0 20 0 19 0 28909197 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139811855788728 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=6703/tid=6720] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6720/stat : 6720 (java) S 6700 6703 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 28909197 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139811854736376 214373020732 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=6703/tid=6721] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6721/stat : 6721 (java) S 6700 6703 3621 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 28909197 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139811853684040 214373021609 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=6703/tid=6728] ppid=6700 vsize=9824732 CPUtime=0 cores=1,3,5,7
/proc/6703/task/6728/stat : 6728 (java) S 6700 6703 3621 0 -1 4202560 2 0 0 0 0 0 0 0 20 0 19 0 28909257 10060525568 47168 33554432000 1073741824 1073778376 140735313042704 139811850524200 214373021609 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
Current children cumulated CPU time (s) 4.09
Current children cumulated vsize (KiB) 9824732
Child status: 30
Real time (s): 1.68311
CPU time (s): 4.13137
CPU user time (s): 3.98039
CPU system time (s): 0.150977
CPU usage (%): 245.461
Max. virtual memory (cumulated for all children) (KiB): 9824732
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.98039
system time used= 0.150977
maximum resident set size= 190304
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 26334
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= 344
involuntary context switches= 75
??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.011998 second user time and 0.017997 second system time
The end