runsolver Copyright (C) 2010-2011 Olivier ROUSSEL
This is runsolver version 3.3.1 (svn: 989)
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-3704624-1338082271/watcher-3704624-1338082271 -o /tmp/evaluation-result-3704624-1338082271/solver-3704624-1338082271 -C 1800 -W 1900 -M 15500 wbo1.7 -file-format=opb HOME/instance-3704624-1338082271.opb
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: 2.01 2.02 2.00 2/177 15580
/proc/meminfo: memFree=31093672/32873648 swapFree=7112/7112
[pid=15580] ppid=15578 vsize=3356 CPUtime=0 cores=0,2,4,6
/proc/15580/stat : 15580 (wbo1.7) R 15578 15580 12452 0 -1 4202496 333 0 0 0 0 0 0 0 20 0 1 0 274353009 3436544 285 33554432000 4194304 5963574 140735020804272 140735145163560 5301806 0 0 4096 16387 0 0 0 17 0 0 0 0 0 0
/proc/15580/statm: 839 285 169 432 0 351 0
[startup+0.067337 s]
/proc/loadavg: 2.01 2.02 2.00 2/177 15580
/proc/meminfo: memFree=31093672/32873648 swapFree=7112/7112
[pid=15580] ppid=15578 vsize=84268 CPUtime=0.06 cores=0,2,4,6
/proc/15580/stat : 15580 (wbo1.7) S 15578 15580 12452 0 -1 4202496 1398 0 0 0 6 0 0 0 20 0 2 0 274353009 86290432 1297 33554432000 4194304 5963574 140735020804272 140735020803792 4545837 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/15580/statm: 21067 1297 187 432 0 20632 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 84268
[startup+0.100275 s]
/proc/loadavg: 2.01 2.02 2.00 2/177 15580
/proc/meminfo: memFree=31093672/32873648 swapFree=7112/7112
[pid=15580] ppid=15578 vsize=84268 CPUtime=0.09 cores=0,2,4,6
/proc/15580/stat : 15580 (wbo1.7) S 15578 15580 12452 0 -1 4202496 1512 0 0 0 9 0 0 0 20 0 2 0 274353009 86290432 1411 33554432000 4194304 5963574 140735020804272 140735020803792 4545837 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/15580/statm: 21067 1411 187 432 0 20632 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 84268
[startup+0.30018 s]
/proc/loadavg: 2.01 2.02 2.00 2/177 15580
/proc/meminfo: memFree=31093672/32873648 swapFree=7112/7112
[pid=15580] ppid=15578 vsize=84268 CPUtime=0.29 cores=0,2,4,6
/proc/15580/stat : 15580 (wbo1.7) S 15578 15580 12452 0 -1 4202496 2089 0 0 0 29 0 0 0 20 0 2 0 274353009 86290432 1988 33554432000 4194304 5963574 140735020804272 140735020803792 4545837 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/15580/statm: 21067 1988 187 432 0 20632 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 84268
[startup+0.700181 s]
/proc/loadavg: 2.01 2.02 2.00 2/177 15580
/proc/meminfo: memFree=31093672/32873648 swapFree=7112/7112
[pid=15580] ppid=15578 vsize=84268 CPUtime=0.69 cores=0,2,4,6
/proc/15580/stat : 15580 (wbo1.7) S 15578 15580 12452 0 -1 4202496 3079 0 0 0 69 0 0 0 20 0 2 0 274353009 86290432 2978 33554432000 4194304 5963574 140735020804272 140735020803792 4545837 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/15580/statm: 21067 2978 187 432 0 20632 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 84268
[startup+1.50027 s]
/proc/loadavg: 2.01 2.02 2.00 3/179 15582
/proc/meminfo: memFree=31080240/32873648 swapFree=7112/7112
[pid=15580] ppid=15578 vsize=84412 CPUtime=1.48 cores=0,2,4,6
/proc/15580/stat : 15580 (wbo1.7) S 15578 15580 12452 0 -1 4202496 4420 0 0 0 148 0 0 0 20 0 2 0 274353009 86437888 4319 33554432000 4194304 5963574 140735020804272 140735020803792 4545837 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/15580/statm: 21103 4319 187 432 0 20668 0
[pid=15580/tid=15582] ppid=15578 vsize=84412 CPUtime=1.47 cores=0,2,4,6
/proc/15580/task/15582/stat : 15582 (wbo1.7) R 15578 15580 12452 0 -1 4202560 3491 0 0 0 147 0 0 0 20 0 2 0 274353011 86437888 4319 33554432000 4194304 5963574 140735020804272 140009124091896 4372959 0 0 4096 16387 0 0 0 -1 4 0 0 0 0 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 84412
[startup+3.10025 s]
/proc/loadavg: 2.01 2.02 2.00 3/179 15582
/proc/meminfo: memFree=31077000/32873648 swapFree=7112/7112
[pid=15580] ppid=15578 vsize=84412 CPUtime=3.09 cores=0,2,4,6
/proc/15580/stat : 15580 (wbo1.7) S 15578 15580 12452 0 -1 4202496 5053 0 0 0 308 1 0 0 20 0 2 0 274353009 86437888 4952 33554432000 4194304 5963574 140735020804272 140735020803792 4545837 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/15580/statm: 21103 4952 187 432 0 20668 0
[pid=15580/tid=15582] ppid=15578 vsize=84412 CPUtime=3.07 cores=0,2,4,6
/proc/15580/task/15582/stat : 15582 (wbo1.7) R 15578 15580 12452 0 -1 4202560 4124 0 0 0 307 0 0 0 20 0 2 0 274353011 86437888 4952 33554432000 4194304 5963574 140735020804272 140009124091896 4399651 0 0 4096 16387 0 0 0 -1 4 0 0 0 0 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 84412
[startup+6.30022 s]
/proc/loadavg: 2.01 2.02 2.00 3/179 15582
/proc/meminfo: memFree=31066196/32873648 swapFree=7112/7112
[pid=15580] ppid=15578 vsize=84484 CPUtime=6.28 cores=0,2,4,6
/proc/15580/stat : 15580 (wbo1.7) S 15578 15580 12452 0 -1 4202496 7711 0 0 0 627 1 0 0 20 0 2 0 274353009 86511616 7610 33554432000 4194304 5963574 140735020804272 140735020803792 4545837 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/15580/statm: 21121 7610 187 432 0 20686 0
[pid=15580/tid=15582] ppid=15578 vsize=84484 CPUtime=6.27 cores=0,2,4,6
/proc/15580/task/15582/stat : 15582 (wbo1.7) R 15578 15580 12452 0 -1 4202560 6782 0 0 0 625 2 0 0 20 0 2 0 274353011 86511616 7610 33554432000 4194304 5963574 140735020804272 140009124091704 4221120 0 0 4096 16387 0 0 0 -1 4 0 0 0 0 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 84484
Solver just ended. Dumping a history of the last processes samples
[startup+7.90023 s]
/proc/loadavg: 2.01 2.02 2.00 3/179 15582
/proc/meminfo: memFree=31054916/32873648 swapFree=7112/7112
[pid=15580] ppid=15578 vsize=84484 CPUtime=7.88 cores=0,2,4,6
/proc/15580/stat : 15580 (wbo1.7) S 15578 15580 12452 0 -1 4202496 9601 0 0 0 786 2 0 0 20 0 2 0 274353009 86511616 9500 33554432000 4194304 5963574 140735020804272 140735020803792 4545837 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/15580/statm: 21121 9500 187 432 0 20686 0
[pid=15580/tid=15582] ppid=15578 vsize=84484 CPUtime=7.87 cores=0,2,4,6
/proc/15580/task/15582/stat : 15582 (wbo1.7) R 15578 15580 12452 0 -1 4202560 8672 0 0 0 784 3 0 0 20 0 2 0 274353011 86511616 9500 33554432000 4194304 5963574 140735020804272 140009124091896 5135572 0 0 4096 16387 0 0 0 -1 4 0 0 0 0 0
Current children cumulated CPU time (s) 7.88
Current children cumulated vsize (KiB) 84484
[startup+8.70023 s]
/proc/loadavg: 2.00 2.02 2.00 3/179 15582
/proc/meminfo: memFree=31053072/32873648 swapFree=7112/7112
[pid=15580] ppid=15578 vsize=84484 CPUtime=8.69 cores=0,2,4,6
/proc/15580/stat : 15580 (wbo1.7) S 15578 15580 12452 0 -1 4202496 9859 0 0 0 867 2 0 0 20 0 2 0 274353009 86511616 9758 33554432000 4194304 5963574 140735020804272 140735020803792 4545837 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/15580/statm: 21121 9758 187 432 0 20686 0
[pid=15580/tid=15582] ppid=15578 vsize=84484 CPUtime=8.67 cores=0,2,4,6
/proc/15580/task/15582/stat : 15582 (wbo1.7) R 15578 15580 12452 0 -1 4202560 8930 0 0 0 864 3 0 0 20 0 2 0 274353011 86511616 9758 33554432000 4194304 5963574 140735020804272 140009124091704 4399958 0 0 4096 16387 0 0 0 -1 4 0 0 0 0 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 84484
[startup+9.10025 s]
/proc/loadavg: 2.00 2.02 2.00 3/179 15582
/proc/meminfo: memFree=31053072/32873648 swapFree=7112/7112
[pid=15580] ppid=15578 vsize=84484 CPUtime=9.08 cores=0,2,4,6
/proc/15580/stat : 15580 (wbo1.7) S 15578 15580 12452 0 -1 4202496 9906 0 0 0 906 2 0 0 20 0 2 0 274353009 86511616 9805 33554432000 4194304 5963574 140735020804272 140735020803792 4545837 0 0 4096 16387 18446744073709551615 0 0 17 0 0 0 0 0 0
/proc/15580/statm: 21121 9805 187 432 0 20686 0
[pid=15580/tid=15582] ppid=15578 vsize=84484 CPUtime=9.07 cores=0,2,4,6
/proc/15580/task/15582/stat : 15582 (wbo1.7) R 15578 15580 12452 0 -1 4202560 8977 0 0 0 904 3 0 0 20 0 2 0 274353011 86511616 9805 33554432000 4194304 5963574 140735020804272 140009124091704 4399623 0 0 4096 16387 0 0 0 -1 4 0 0 0 0 0
Current children cumulated CPU time (s) 9.08
Current children cumulated vsize (KiB) 84484
Child status: 255
Real time (s): 9.16941
CPU time (s): 9.16861
CPU user time (s): 9.12461
CPU system time (s): 0.043993
CPU usage (%): 99.9912
Max. virtual memory (cumulated for all children) (KiB): 84484
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.12461
system time used= 0.043993
maximum resident set size= 39240
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9911
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= 4
involuntary context switches= 10
runsolver used 0.019996 second user time and 0.050992 second system time
The end
Begin job on node126 at 2012-05-27 03:31:11
IDJOB=3704624
IDBENCH=1392
IDSOLVER=2283
FILE ID=node126/3704624-1338082271
RUNJOBID= node126-1338077272-12468
PBS_JOBID= 14624421
Free space on /tmp= 71352 MiB
SOLVER NAME= wbo 1.7
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
COMMAND LINE= wbo1.7 -file-format=opb BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3704624-1338082271/watcher-3704624-1338082271 -o /tmp/evaluation-result-3704624-1338082271/solver-3704624-1338082271 -C 1800 -W 1900 -M 15500 wbo1.7 -file-format=opb HOME/instance-3704624-1338082271.opb
TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4
MD5SUM BENCH= d807de21f10c00acae1479f7b1348df5
RANDOM SEED=1590962116
node126.alineos.net Linux 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011
/proc/cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.456
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 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 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 tpr_shadow vnmi flexpriority ept vpid
bogomips : 5332.91
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
cpu MHz : 2666.456
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 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 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 tpr_shadow vnmi flexpriority ept vpid
bogomips : 5331.91
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
cpu MHz : 2666.456
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 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 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 tpr_shadow vnmi flexpriority ept vpid
bogomips : 5331.92
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
cpu MHz : 2666.456
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 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 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 tpr_shadow vnmi flexpriority ept vpid
bogomips : 5331.91
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
cpu MHz : 2666.456
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 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 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 tpr_shadow vnmi flexpriority ept vpid
bogomips : 5331.92
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
cpu MHz : 2666.456
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 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 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 tpr_shadow vnmi flexpriority ept vpid
bogomips : 5331.91
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
cpu MHz : 2666.456
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 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 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 tpr_shadow vnmi flexpriority ept vpid
bogomips : 5331.90
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
cpu MHz : 2666.456
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 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 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 tpr_shadow vnmi flexpriority ept vpid
bogomips : 5331.92
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
/proc/meminfo:
MemTotal: 32873648 kB
MemFree: 31094012 kB
Buffers: 265044 kB
Cached: 538696 kB
SwapCached: 17756 kB
Active: 879840 kB
Inactive: 94216 kB
Active(anon): 151744 kB
Inactive(anon): 20452 kB
Active(file): 728096 kB
Inactive(file): 73764 kB
Unevictable: 7112 kB
Mlocked: 7112 kB
SwapTotal: 67108856 kB
SwapFree: 67086932 kB
Dirty: 5444 kB
Writeback: 0 kB
AnonPages: 204980 kB
Mapped: 10364 kB
Shmem: 0 kB
Slab: 667252 kB
SReclaimable: 111588 kB
SUnreclaim: 555664 kB
KernelStack: 1488 kB
PageTables: 4056 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 83545680 kB
Committed_AS: 144604 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 346400 kB
VmallocChunk: 34341988052 kB
HardwareCorrupted: 0 kB
AnonHugePages: 45056 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 7680 kB
DirectMap2M: 33538048 kB
Free space on /tmp at the end= 71348 MiB
End job on node126 at 2012-05-27 03:31:20