7.59/7.64 c xcsp_picat version 2.4#4 (June 15, 2018)
7.59/7.64 o 48
7.59/7.64 o 41
7.59/7.64 o 40
7.59/7.64 s OPTIMUM FOUND
7.59/7.64 v <instantiation>
7.59/7.64 v <list> v[] np[] pp[] nf[] </list>
7.59/7.64 v <values> 1 11 11 11 11 1 -1 11 -11 11 -11 -11 1 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 5 0 10 0 12 13 2 0 0 0 0 0 0 0 0 0 6 0 </values>
7.59/7.64 v </instantiation>
runsolver version 3.4.0 (svn: 3012) Copyright (C) 2010-2013 Olivier ROUSSEL
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.
NUMA information:
number of nodes: 2
memory of node 0: 16374 MiB (6807 MiB free)
memory of node 1: 16384 MiB (13871 MiB free)
node distances:
10 21
21 10
command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-4294048-1532435483/watcher-4294048-1532435483 -o /tmp/evaluation-result-4294048-1532435483/solver-4294048-1532435483 -C 2520 -W 2520 -M 15500 --bin-var /tmp/runsolver-exch-node132-1532432860-27369 --watchdog 2580 xcsp_picat HOME/instance-4294048-1532435483.xml
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
Linux 3.10.0-514.16.1.el7.x86_64
Starting watchdog thread
Current StackSize limit: 8192 KiB
solver pid=27753, runsolver pid=27750
[startup+0.100156 s]*
/proc/loadavg: 2.00 2.01 1.95 3/192 27754
/proc/meminfo: memFree=21160940/32770624 swapFree=67108860/67108860
[pid=27753] ppid=27750 vsize=112572 memory=16156 CPUtime=0.1 cores=1,3,5,7
/proc/27753/stat : 27753 (xcsp_picat) R 27750 27753 27337 0 -1 4202496 1714 0 0 0 10 0 0 0 20 0 1 0 61111472 115273728 4039 33554432000 4194304 5849740 140726967696416 140726967696416 5395712 0 0 4096 8389634 0 0 0 17 5 0 0 0 0 0 7949816 9399828 36061184 140726967702710 140726967702788 140726967702788 140726967705546 0
/proc/27753/statm: 28143 4039 695 405 0 25087 0
Current children cumulated CPU time: 0.1 s
Current children cumulated vsize: 112572 KiB
Current children cumulated memory: 16156 KiB
[startup+0.209897 s]*
/proc/loadavg: 2.00 2.01 1.95 3/192 27754
/proc/meminfo: memFree=21160940/32770624 swapFree=67108860/67108860
[pid=27753] ppid=27750 vsize=113216 memory=16492 CPUtime=0.21 cores=1,3,5,7
/proc/27753/stat : 27753 (xcsp_picat) R 27750 27753 27337 0 -1 4202496 1847 0 0 0 21 0 0 0 20 0 1 0 61111472 115933184 4123 33554432000 4194304 5849740 140726967696416 140726967696416 5360447 0 0 4096 8389634 0 0 0 17 5 0 0 0 0 0 7949816 9399828 36061184 140726967702710 140726967702788 140726967702788 140726967705546 0
/proc/27753/statm: 28304 4123 713 405 0 25248 0
Current children cumulated CPU time: 0.21 s
Current children cumulated vsize: 113216 KiB
Current children cumulated memory: 16492 KiB
[startup+0.30914 s]*
/proc/loadavg: 2.00 2.01 1.95 3/192 27754
/proc/meminfo: memFree=21160940/32770624 swapFree=67108860/67108860
[pid=27753] ppid=27750 vsize=113216 memory=16492 CPUtime=0.31 cores=1,3,5,7
/proc/27753/stat : 27753 (xcsp_picat) R 27750 27753 27337 0 -1 4202496 1847 0 0 0 31 0 0 0 20 0 1 0 61111472 115933184 4123 33554432000 4194304 5849740 140726967696416 140726967696416 5360463 0 0 4096 8389634 0 0 0 17 5 0 0 0 0 0 7949816 9399828 36061184 140726967702710 140726967702788 140726967702788 140726967705546 0
/proc/27753/statm: 28304 4123 713 405 0 25248 0
Current children cumulated CPU time: 0.31 s
Current children cumulated vsize: 113216 KiB
Current children cumulated memory: 16492 KiB
[startup+0.700279 s]
/proc/loadavg: 2.00 2.01 1.95 3/192 27754
/proc/meminfo: memFree=21160568/32770624 swapFree=67108860/67108860
[pid=27753] ppid=27750 vsize=113592 memory=17048 CPUtime=0.69 cores=1,3,5,7
/proc/27753/stat : 27753 (xcsp_picat) R 27750 27753 27337 0 -1 4202496 2033 0 0 0 69 0 0 0 20 0 1 0 61111472 116318208 4262 33554432000 4194304 5849740 140726967696416 140726967696416 4230782 0 0 4096 8389634 0 0 0 17 5 0 0 0 0 0 7949816 9399828 36061184 140726967702710 140726967702788 140726967702788 140726967705546 0
/proc/27753/statm: 28398 4262 722 405 0 25342 0
Current children cumulated CPU time: 0.69 s
Current children cumulated vsize: 113592 KiB
Current children cumulated memory: 17048 KiB
[startup+1.50028 s]
/proc/loadavg: 2.00 2.01 1.95 3/192 27754
/proc/meminfo: memFree=21161064/32770624 swapFree=67108860/67108860
[pid=27753] ppid=27750 vsize=114200 memory=17644 CPUtime=1.49 cores=1,3,5,7
/proc/27753/stat : 27753 (xcsp_picat) R 27750 27753 27337 0 -1 4202496 2566 0 0 0 149 0 0 0 20 0 1 0 61111472 116940800 4411 33554432000 4194304 5849740 140726967696416 140726967694904 4211410 0 0 4096 8389634 0 0 0 17 5 0 0 0 0 0 7949816 9399828 36061184 140726967702710 140726967702788 140726967702788 140726967705546 0
/proc/27753/statm: 28550 4411 737 405 0 25494 0
Current children cumulated CPU time: 1.49 s
Current children cumulated vsize: 114200 KiB
Current children cumulated memory: 17644 KiB
[startup+3.10939 s]
/proc/loadavg: 2.00 2.01 1.95 3/192 27754
/proc/meminfo: memFree=21159956/32770624 swapFree=67108860/67108860
[pid=27753] ppid=27750 vsize=113172 memory=16800 CPUtime=3.1 cores=1,3,5,7
/proc/27753/stat : 27753 (xcsp_picat) R 27750 27753 27337 0 -1 4202496 4031 0 0 0 308 2 0 0 20 0 1 0 61111472 115888128 4200 33554432000 4194304 5849740 140726967696416 140726967694904 5394783 0 0 4096 8389634 0 0 0 17 5 0 0 0 0 0 7949816 9399828 36061184 140726967702710 140726967702788 140726967702788 140726967705546 0
/proc/27753/statm: 28293 4200 737 405 0 25237 0
Current children cumulated CPU time: 3.1 s
Current children cumulated vsize: 113172 KiB
Current children cumulated memory: 16800 KiB
[startup+6.30023 s]
/proc/loadavg: 2.00 2.01 1.95 3/192 27754
/proc/meminfo: memFree=21159204/32770624 swapFree=67108860/67108860
[pid=27753] ppid=27750 vsize=113752 memory=17380 CPUtime=6.29 cores=1,3,5,7
/proc/27753/stat : 27753 (xcsp_picat) R 27750 27753 27337 0 -1 4202496 6359 0 0 0 625 4 0 0 20 0 1 0 61111472 116482048 4345 33554432000 4194304 5849740 140726967696416 140726967695288 140529847959431 0 0 4096 8389634 0 0 0 17 5 0 0 0 0 0 7949816 9399828 36061184 140726967702710 140726967702788 140726967702788 140726967705546 0
/proc/27753/statm: 28438 4345 737 405 0 25382 0
Current children cumulated CPU time: 6.29 s
Current children cumulated vsize: 113752 KiB
Current children cumulated memory: 17380 KiB
[startup+7.64543 s]
# the end of solver process 27753 was just reported to runsolver
# cumulated CPU time of all completed processes: user=7.59627 s, system=0.049001 s
Solver just ended.
??? end of watcher thread
Dumping a history of the last processes samples
[startup+6.4003 s]
/proc/loadavg: 2.00 2.01 1.95 3/192 27754
/proc/meminfo: memFree=21159204/32770624 swapFree=67108860/67108860
[pid=27753] ppid=27750 vsize=113752 memory=17380 CPUtime=6.39 cores=1,3,5,7
/proc/27753/stat : 27753 (xcsp_picat) R 27750 27753 27337 0 -1 4202496 6372 0 0 0 635 4 0 0 20 0 1 0 61111472 116482048 4345 33554432000 4194304 5849740 140726967696416 140726967695288 140529847959431 0 0 4096 8389634 0 0 0 17 5 0 0 0 0 0 7949816 9399828 36061184 140726967702710 140726967702788 140726967702788 140726967705546 0
/proc/27753/statm: 28438 4345 737 405 0 25382 0
Current children cumulated CPU time: 6.39 s
Current children cumulated vsize: 113752 KiB
Current children cumulated memory: 17380 KiB
[startup+7.20025 s]
/proc/loadavg: 2.00 2.01 1.95 3/192 27754
/proc/meminfo: memFree=21158956/32770624 swapFree=67108860/67108860
[pid=27753] ppid=27750 vsize=114312 memory=17692 CPUtime=7.19 cores=1,3,5,7
/proc/27753/stat : 27753 (xcsp_picat) R 27750 27753 27337 0 -1 4202496 7061 0 0 0 715 4 0 0 20 0 1 0 61111472 117055488 4423 33554432000 4194304 5849740 140726967696416 140726967695288 4212035 0 0 4096 8389634 0 0 0 17 5 0 0 0 0 0 7949816 9399828 36061184 140726967702710 140726967702788 140726967702788 140726967705546 0
/proc/27753/statm: 28578 4423 737 405 0 25522 0
Current children cumulated CPU time: 7.19 s
Current children cumulated vsize: 114312 KiB
Current children cumulated memory: 17692 KiB
[startup+7.60025 s]
/proc/loadavg: 2.00 2.01 1.95 3/192 27754
/proc/meminfo: memFree=21158956/32770624 swapFree=67108860/67108860
[pid=27753] ppid=27750 vsize=113800 memory=17428 CPUtime=7.59 cores=1,3,5,7
/proc/27753/stat : 27753 (xcsp_picat) R 27750 27753 27337 0 -1 4202496 7417 0 0 0 755 4 0 0 20 0 1 0 61111472 116531200 4357 33554432000 4194304 5849740 140726967696416 140726967695288 140529847959431 0 0 4096 8389634 0 0 0 17 5 0 0 0 0 0 7949816 9399828 36061184 140726967702710 140726967702788 140726967702788 140726967705546 0
/proc/27753/statm: 28450 4357 737 405 0 25394 0
Current children cumulated CPU time: 7.59 s
Current children cumulated vsize: 113800 KiB
Current children cumulated memory: 17428 KiB
Child status: 0
Real time (s): 7.64548
CPU time (s): 7.64527
CPU user time (s): 7.59627
CPU system time (s): 0.049001
CPU usage (%): 99.9973
Max. virtual memory (cumulated for all children) (KiB): 114992
Max. memory (cumulated for all children) (KiB): 18424
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.59627
system time used= 0.049001
maximum resident set size= 18424
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7614
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= 2
involuntary context switches= 4
# summary of solver processes directly reported to runsolver:
# pid: 27753
# total CPU time (s): 7.64527
# total CPU user time (s): 7.59627
# total CPU system time (s): 0.049001
??? join timestamper begins
??? join timestamper ends
??? end of timestamper thread
runsolver used 0.045837 second user time and 0.093857 second system time
The end
Begin job on node132 at 2018-07-24 14:31:23
IDJOB=4294048
IDBENCH=141322
IDSOLVER=2754
FILE ID=node132/4294048-1532435483
RUNJOBID= node132-1532432860-27369
PBS_JOBID= 21021577
Free space on /tmp= 52472 MiB
SOLVER NAME= PicatSAT 2018-06-15
BENCH NAME= XCSP18/PizzaVoucher/PizzaVoucher-12b_c18.xml
COMMAND LINE= xcsp_picat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-4294048-1532435483/watcher-4294048-1532435483 -o /tmp/evaluation-result-4294048-1532435483/solver-4294048-1532435483 -C 2520 -W 2520 -M 15500 --bin-var /tmp/runsolver-exch-node132-1532432860-27369 --watchdog 2580 xcsp_picat HOME/instance-4294048-1532435483.xml
TIME LIMIT= 2520 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4
MD5SUM BENCH= 8890b3c4968b86b21e69352acb96ed82
RANDOM SEED=1862140680
node132.alineos.net Linux 3.10.0-514.16.1.el7.x86_64 #1 SMP Wed Apr 12 15:04:24 UTC 2017
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor:
performance
/proc/cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
microcode : 0x19
cpu MHz : 2668.000
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips : 5333.65
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
microcode : 0x19
cpu MHz : 2668.000
cache size : 8192 KB
physical id : 1
siblings : 4
core id : 0
cpu cores : 4
apicid : 16
initial apicid : 16
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips : 5332.55
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 2
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
microcode : 0x19
cpu MHz : 2668.000
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 1
cpu cores : 4
apicid : 2
initial apicid : 2
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips : 5333.65
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
microcode : 0x19
cpu MHz : 2668.000
cache size : 8192 KB
physical id : 1
siblings : 4
core id : 1
cpu cores : 4
apicid : 18
initial apicid : 18
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips : 5332.55
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 4
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
microcode : 0x19
cpu MHz : 2668.000
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 2
cpu cores : 4
apicid : 4
initial apicid : 4
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips : 5333.65
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 5
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
microcode : 0x19
cpu MHz : 2668.000
cache size : 8192 KB
physical id : 1
siblings : 4
core id : 2
cpu cores : 4
apicid : 20
initial apicid : 20
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips : 5332.55
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 6
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
microcode : 0x19
cpu MHz : 2668.000
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 3
cpu cores : 4
apicid : 6
initial apicid : 6
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips : 5333.65
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 7
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
microcode : 0x19
cpu MHz : 2668.000
cache size : 8192 KB
physical id : 1
siblings : 4
core id : 3
cpu cores : 4
apicid : 22
initial apicid : 22
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida dtherm tpr_shadow vnmi flexpriority ept vpid
bogomips : 5332.55
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
/proc/meminfo:
MemTotal: 32770624 kB
MemFree: 21174964 kB
MemAvailable: 31710784 kB
Buffers: 182224 kB
Cached: 10517924 kB
SwapCached: 0 kB
Active: 2778052 kB
Inactive: 8205684 kB
Active(anon): 231340 kB
Inactive(anon): 72004 kB
Active(file): 2546712 kB
Inactive(file): 8133680 kB
Unevictable: 7020 kB
Mlocked: 7020 kB
SwapTotal: 67108860 kB
SwapFree: 67108860 kB
Dirty: 3132 kB
Writeback: 0 kB
AnonPages: 286628 kB
Mapped: 40540 kB
Shmem: 17056 kB
Slab: 311464 kB
SReclaimable: 283888 kB
SUnreclaim: 27576 kB
KernelStack: 3424 kB
PageTables: 5260 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 83494172 kB
Committed_AS: 660556 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 350232 kB
VmallocChunk: 34341910524 kB
HardwareCorrupted: 0 kB
AnonHugePages: 129024 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 120192 kB
DirectMap2M: 33425408 kB
Free space on /tmp at the end= 52472 MiB
End job on node132 at 2018-07-24 14:31:31