46.39/46.40 c MPhaseSAT version 401 by Jingchao Chen, April 1, 2011
46.39/46.40 c input CNF file=HOME/instance-3094565-1301759450.cnf
46.39/46.40 c Clause#=1065 var#=50 ratio=21
46.39/46.40 c Simplified clause#=1065
46.39/46.40 c XOR_varElimination deleted var#=0 clauses#=1065
46.39/46.40 c inative var#=0
46.39/46.40 c free var#=50
46.39/46.40 c local search on
46.39/46.40 c height=7 age=48
46.39/46.40 c hybrid solving
46.39/46.40 c
46.39/46.40 s UNSATISFIABLE
46.39/46.40 c
46.39/46.40 c Running time=46.404945
runsolver Copyright (C) 2010 Olivier ROUSSEL
This is runsolver version 3.3.0 (svn: 893)
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-3094565-1301759450/watcher-3094565-1301759450 -o /tmp/evaluation-result-3094565-1301759450/solver-3094565-1301759450 -C 2400 -W 1300 -M 7680 MPhaseSAT HOME/instance-3094565-1301759450.cnf
running on 2 cores: 0,2
Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB
[startup+0 s]
/proc/loadavg: 4.08 4.02 3.95 5/189 12170
/proc/meminfo: memFree=20439016/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=3088 CPUtime=0 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 358 0 0 0 0 0 0 0 25 0 1 0 268360473 3162112 297 33554432000 134512640 134731564 4294275392 18446744073709551615 134578770 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 772 297 237 54 0 82 0
[startup+0.0650121 s]
/proc/loadavg: 4.08 4.02 3.95 5/189 12170
/proc/meminfo: memFree=20439016/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=3352 CPUtime=0.06 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 438 0 0 0 6 0 0 0 25 0 1 0 268360473 3432448 377 33554432000 134512640 134731564 4294275392 18446744073709551615 10583811 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 838 377 268 54 0 148 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 3352
[startup+0.101015 s]
/proc/loadavg: 4.08 4.02 3.95 5/189 12170
/proc/meminfo: memFree=20439016/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=3352 CPUtime=0.09 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 457 0 0 0 9 0 0 0 25 0 1 0 268360473 3432448 396 33554432000 134512640 134731564 4294275392 18446744073709551615 134624802 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 838 396 268 54 0 148 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3352
[startup+0.300979 s]
/proc/loadavg: 4.08 4.02 3.95 5/189 12170
/proc/meminfo: memFree=20439016/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=3616 CPUtime=0.29 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 529 0 0 0 29 0 0 0 25 0 1 0 268360473 3702784 468 33554432000 134512640 134731564 4294275392 18446744073709551615 134659334 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 904 468 268 54 0 214 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3616
[startup+0.700908 s]
/proc/loadavg: 4.08 4.02 3.95 5/189 12170
/proc/meminfo: memFree=20439016/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=3880 CPUtime=0.69 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 586 0 0 0 69 0 0 0 25 0 1 0 268360473 3973120 525 33554432000 134512640 134731564 4294275392 18446744073709551615 134606141 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 970 525 271 54 0 280 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3880
[startup+1.50076 s]
/proc/loadavg: 4.08 4.02 3.95 5/190 12171
/proc/meminfo: memFree=20437792/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=3880 CPUtime=1.49 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 586 0 0 0 149 0 0 0 25 0 1 0 268360473 3973120 525 33554432000 134512640 134731564 4294275392 18446744073709551615 134605891 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 970 525 271 54 0 280 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3880
[startup+3.10047 s]
/proc/loadavg: 4.08 4.02 3.95 5/190 12171
/proc/meminfo: memFree=20437296/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=3880 CPUtime=3.09 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 586 0 0 0 309 0 0 0 25 0 1 0 268360473 3973120 525 33554432000 134512640 134731564 4294275392 18446744073709551615 134605581 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 970 525 271 54 0 280 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 3880
[startup+6.30085 s]
/proc/loadavg: 4.07 4.02 3.95 5/190 12171
/proc/meminfo: memFree=20437048/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=3880 CPUtime=6.29 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 586 0 0 0 629 0 0 0 25 0 1 0 268360473 3973120 525 33554432000 134512640 134731564 4294275392 18446744073709551615 134605663 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 970 525 271 54 0 280 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 3880
[startup+12.7007 s]
/proc/loadavg: 4.07 4.02 3.95 5/190 12171
/proc/meminfo: memFree=20436804/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=3880 CPUtime=12.69 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 586 0 0 0 1269 0 0 0 25 0 1 0 268360473 3973120 525 33554432000 134512640 134731564 4294275392 18446744073709551615 134605669 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 970 525 271 54 0 280 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3880
[startup+25.5003 s]
/proc/loadavg: 4.05 4.01 3.95 5/190 12172
/proc/meminfo: memFree=20436668/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=4020 CPUtime=25.49 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 629 0 0 0 2549 0 0 0 25 0 1 0 268360473 4116480 568 33554432000 134512640 134731564 4294275392 18446744073709551615 134605658 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 1005 568 271 54 0 315 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 4020
Solver just ended. Dumping a history of the last processes samples
[startup+38.301 s]
/proc/loadavg: 4.04 4.01 3.95 5/190 12172
/proc/meminfo: memFree=20436296/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=4020 CPUtime=38.29 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 630 0 0 0 3829 0 0 0 25 0 1 0 268360473 4116480 569 33554432000 134512640 134731564 4294275392 18446744073709551615 134605590 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 1005 569 272 54 0 315 0
Current children cumulated CPU time (s) 38.29
Current children cumulated vsize (KiB) 4020
[startup+41.5004 s]
/proc/loadavg: 4.04 4.01 3.95 5/190 12172
/proc/meminfo: memFree=20436292/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=4020 CPUtime=41.49 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 630 0 0 0 4149 0 0 0 25 0 1 0 268360473 4116480 569 33554432000 134512640 134731564 4294275392 18446744073709551615 134605491 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 1005 569 272 54 0 315 0
Current children cumulated CPU time (s) 41.49
Current children cumulated vsize (KiB) 4020
[startup+44.7008 s]
/proc/loadavg: 4.04 4.01 3.95 5/190 12172
/proc/meminfo: memFree=20436044/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=4020 CPUtime=44.69 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 630 0 0 0 4469 0 0 0 25 0 1 0 268360473 4116480 569 33554432000 134512640 134731564 4294275392 18446744073709551615 134605256 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 1005 569 272 54 0 315 0
Current children cumulated CPU time (s) 44.69
Current children cumulated vsize (KiB) 4020
[startup+45.5007 s]
/proc/loadavg: 4.04 4.01 3.95 5/190 12172
/proc/meminfo: memFree=20436044/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=4020 CPUtime=45.49 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 630 0 0 0 4549 0 0 0 25 0 1 0 268360473 4116480 569 33554432000 134512640 134731564 4294275392 18446744073709551615 134605562 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 1005 569 272 54 0 315 0
Current children cumulated CPU time (s) 45.49
Current children cumulated vsize (KiB) 4020
[startup+45.9006 s]
/proc/loadavg: 4.04 4.01 3.95 5/190 12172
/proc/meminfo: memFree=20436044/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=4020 CPUtime=45.89 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 630 0 0 0 4589 0 0 0 25 0 1 0 268360473 4116480 569 33554432000 134512640 134731564 4294275392 18446744073709551615 134605260 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 1005 569 272 54 0 315 0
Current children cumulated CPU time (s) 45.89
Current children cumulated vsize (KiB) 4020
[startup+46.3006 s]
/proc/loadavg: 4.04 4.01 3.95 5/190 12172
/proc/meminfo: memFree=20436292/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=4020 CPUtime=46.29 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 630 0 0 0 4629 0 0 0 25 0 1 0 268360473 4116480 569 33554432000 134512640 134731564 4294275392 18446744073709551615 134718142 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 1005 569 272 54 0 315 0
Current children cumulated CPU time (s) 46.29
Current children cumulated vsize (KiB) 4020
[startup+46.4005 s]
/proc/loadavg: 4.04 4.01 3.95 5/190 12172
/proc/meminfo: memFree=20436292/32951124 swapFree=67111528/67111528
[pid=12170] ppid=12168 vsize=4020 CPUtime=46.39 cores=0,2
/proc/12170/stat : 12170 (MPhaseSAT) R 12168 12170 11133 0 -1 4202496 631 0 0 0 4639 0 0 0 25 0 1 0 268360473 4116480 570 33554432000 134512640 134731564 4294275392 18446744073709551615 4294960144 0 0 4096 1026 0 0 0 17 0 0 0 0
/proc/12170/statm: 1005 570 272 54 0 315 0
Current children cumulated CPU time (s) 46.39
Current children cumulated vsize (KiB) 4020
Child status: 20
Real time (s): 46.407
CPU time (s): 46.4059
CPU user time (s): 46.4049
CPU system time (s): 0.000999
CPU usage (%): 99.9976
Max. virtual memory (cumulated for all children) (KiB): 4020
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 46.4049
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 641
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= 6
involuntary context switches= 604
runsolver used 0.070989 second user time and 0.145977 second system time
The end
Begin job on node142 at 2011-04-02 17:50:50
IDJOB=3094565
IDBENCH=83047
IDSOLVER=1520
FILE ID=node142/3094565-1301759450
RUNJOBID= node142-1301756633-11151
PBS_JOBID= 12841054
Free space on /tmp= 71032 MiB
SOLVER NAME= MPhaseSAT 2011-02-15
BENCH NAME= SAT11/random/medium/unif-k5-r21.3-v50-c1065-S1054153452-040.UNKNOWN.cnf
COMMAND LINE= MPhaseSAT BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3094565-1301759450/watcher-3094565-1301759450 -o /tmp/evaluation-result-3094565-1301759450/solver-3094565-1301759450 -C 2400 -W 1300 -M 7680 MPhaseSAT HOME/instance-3094565-1301759450.cnf
TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2
MD5SUM BENCH= 3e6f4baa098d5b86b4caa2cbed949b79
RANDOM SEED=1634992756
node142.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009
/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 : 2666.846
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
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 syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips : 5333.69
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: [8]
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.846
cache size : 8192 KB
physical id : 1
siblings : 4
core id : 0
cpu cores : 4
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 syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips : 5131.95
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: [8]
processor : 2
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.846
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 1
cpu cores : 4
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 syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips : 5332.82
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: [8]
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.846
cache size : 8192 KB
physical id : 1
siblings : 4
core id : 1
cpu cores : 4
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 syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips : 5332.67
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: [8]
processor : 4
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.846
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 2
cpu cores : 4
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 syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips : 5332.81
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: [8]
processor : 5
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.846
cache size : 8192 KB
physical id : 1
siblings : 4
core id : 2
cpu cores : 4
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 syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips : 5332.75
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: [8]
processor : 6
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.846
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 3
cpu cores : 4
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 syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips : 5332.82
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: [8]
processor : 7
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.846
cache size : 8192 KB
physical id : 1
siblings : 4
core id : 3
cpu cores : 4
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 syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips : 5332.75
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: [8]
/proc/meminfo:
MemTotal: 32951124 kB
MemFree: 20439172 kB
Buffers: 365928 kB
Cached: 11773188 kB
SwapCached: 0 kB
Active: 7522056 kB
Inactive: 4695656 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 32951124 kB
LowFree: 20439172 kB
SwapTotal: 67111528 kB
SwapFree: 67111528 kB
Dirty: 284 kB
Writeback: 0 kB
AnonPages: 78480 kB
Mapped: 16900 kB
Slab: 229060 kB
PageTables: 5272 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
CommitLimit: 83587088 kB
Committed_AS: 260552 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
Hugepagesize: 2048 kB
Free space on /tmp at the end= 71028 MiB
End job on node142 at 2011-04-02 17:51:37