0.00/0.00 c SatElite...
0.00/0.00 c Parsing...
0.00/0.02 c ==============================================================================
0.00/0.02 c | | ORIGINAL | LEARNT | |
0.00/0.02 c | Conflicts | Clauses Literals | Limit Clauses Literals Lit/Cl | Progress |
0.00/0.02 c ==============================================================================
0.00/0.02 c | 0 | 24298 58504 | 7289 0 0 nan | 0.000 % |
0.09/0.15 c | 0 | 10295 33687 | -- 0 -- -- | -- | -12080/-19460
0.09/0.15 c ==============================================================================
0.09/0.15 c Result : #vars: 1804 #clauses: 10295 #literals: 33687
0.09/0.15 c CPU time: 0.146977 s
0.09/0.15 c ==============================================================================
0.09/0.18 c SatElite is done !
0.09/0.18 c revival is preprocessing the formula...#ITERATIONS 19
4.46/4.56 #LEARNT CLAUSES 264
4.46/4.57 done !
4.46/4.57 c Calling MINISAT
4.46/4.57 This is MiniSat 2.0 beta
4.46/4.57 WARNING: for repeatability, setting FPU to use double precision
4.46/4.57 ============================[ Problem Statistics ]=============================
4.46/4.57 | |
4.46/4.57 | Number of variables: 1804 |
4.46/4.57 | Number of clauses: 9167 |
4.46/4.57 | Parsing time: 0.01 s |
4.46/4.57 ============================[ Search Statistics ]==============================
4.46/4.57 | Conflicts | ORIGINAL | LEARNT | Progress |
4.46/4.57 | | Vars Clauses Literals | Limit Clauses Lit/Cl | |
4.46/4.57 ===============================================================================
4.46/4.57 | 0 | 1555 8870 24316 | 2956 0 nan | 0.000 % |
4.46/4.58 | 100 | 1555 8870 24316 | 3252 100 15 | 13.804 % |
4.46/4.59 | 250 | 1555 8870 24316 | 3577 250 14 | 13.803 % |
4.54/4.61 | 475 | 1555 8870 24316 | 3935 475 13 | 13.803 % |
4.54/4.63 | 812 | 1555 8870 24316 | 4328 812 13 | 13.803 % |
4.54/4.69 | 1319 | 1555 8870 24316 | 4761 1319 15 | 13.804 % |
4.54/4.78 | 2078 | 1555 8870 24316 | 5237 2078 15 | 13.804 % |
4.54/4.92 | 3218 | 1555 8870 24316 | 5761 3218 16 | 13.804 % |
4.54/5.14 | 4927 | 1555 8870 24316 | 6337 4927 16 | 13.803 % |
5.37/5.45 | 7491 | 1555 8870 24316 | 6971 3968 14 | 13.803 % |
5.86/5.93 | 11337 | 1555 8870 24316 | 7668 4009 15 | 13.803 % |
6.57/6.66 | 17104 | 1555 8870 24316 | 8435 5563 14 | 13.803 % |
7.96/8.08 | 25753 | 1555 8870 24316 | 9279 5144 16 | 13.803 % |
10.06/10.15 | 38727 | 1555 8870 24316 | 10207 8086 16 | 13.803 % |
13.46/13.51 | 58189 | 1555 8870 24316 | 11227 5643 11 | 13.803 % |
18.36/18.42 | 87383 | 1555 8870 24316 | 12350 10898 12 | 13.808 % |
26.16/26.22 | 131173 | 1536 8614 23727 | 13585 8747 16 | 14.856 % |
30.66/30.76 ===============================================================================
30.66/30.76 restarts : 17
30.66/30.76 conflicts : 153378 (5858 /sec)
30.66/30.76 decisions : 174607 (1.02 % random) (6669 /sec)
30.66/30.76 propagations : 47135207 (1800358 /sec)
30.66/30.76 conflict literals : 2200194 (53.91 % deleted)
30.66/30.76 Memory used : 4.20 MB
30.66/30.76 CPU time : 26.181 s
30.66/30.76
30.66/30.76 UNSATISFIABLE
30.66/30.76 s UNSATISFIABLE
runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr
command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1796642-1242078644/watcher-1796642-1242078644 -o /tmp/evaluation-result-1796642-1242078644/solver-1796642-1242078644 -C 1200 -W 1800 -M 1800 HOME/run.sh HOME/instance-1796642-1242078644.cnf HOME
Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB
[startup+0 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 1196
/proc/meminfo: memFree=1414464/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=0
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 288 0 0 0 0 0 0 0 18 0 1 0 235897923 5488640 238 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1196/statm: 1340 238 197 169 0 51 0
[pid=1197] ppid=1196 vsize=956 CPUtime=0
/proc/1197/stat : 1197 (SatElite) R 1196 1196 822 0 -1 4194304 148 0 0 0 0 0 0 0 19 0 1 0 235897923 978944 131 1992294400 134512640 135031949 4294956224 18446744073709551615 134690605 0 0 4096 3 0 0 0 17 0 0 0
/proc/1197/statm: 239 132 51 126 0 110 0
[startup+0.0299339 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 1196
/proc/meminfo: memFree=1414464/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=0
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 288 0 0 0 0 0 0 0 18 0 1 0 235897923 5488640 238 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1196/statm: 1340 238 197 169 0 51 0
[pid=1197] ppid=1196 vsize=3756 CPUtime=0.02
/proc/1197/stat : 1197 (SatElite) R 1196 1196 822 0 -1 4194304 917 0 0 0 2 0 0 0 19 0 1 0 235897923 3846144 844 1992294400 134512640 135031949 4294956224 18446744073709551615 134572450 0 0 4096 3 0 0 0 17 0 0 0
/proc/1197/statm: 939 844 66 126 0 810 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 9116
[startup+0.10194 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 1196
/proc/meminfo: memFree=1414464/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=0
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 288 0 0 0 0 0 0 0 18 0 1 0 235897923 5488640 238 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1196/statm: 1340 238 197 169 0 51 0
[pid=1197] ppid=1196 vsize=4348 CPUtime=0.09
/proc/1197/stat : 1197 (SatElite) R 1196 1196 822 0 -1 4194304 1031 0 0 0 9 0 0 0 19 0 1 0 235897923 4452352 958 1992294400 134512640 135031949 4294956224 18446744073709551615 134566071 0 0 4096 3 0 0 0 17 0 0 0
/proc/1197/statm: 1087 958 67 126 0 958 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9708
[startup+0.301961 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 1196
/proc/meminfo: memFree=1414464/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=0.16
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 317 1110 0 0 0 0 16 0 17 0 1 0 235897923 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1196/statm: 1340 241 197 169 0 51 0
Current children cumulated CPU time (s) 0.16
Current children cumulated vsize (KiB) 5360
[startup+0.701998 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 1196
/proc/meminfo: memFree=1414464/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=0.16
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 317 1110 0 0 0 0 16 0 17 0 1 0 235897923 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1196/statm: 1340 241 197 169 0 51 0
Current children cumulated CPU time (s) 0.16
Current children cumulated vsize (KiB) 5360
[startup+1.50107 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 1199
/proc/meminfo: memFree=1412592/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=0.16
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 317 1110 0 0 0 0 16 0 17 0 1 0 235897923 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1196/statm: 1340 241 197 169 0 51 0
[pid=1199] ppid=1196 vsize=2212 CPUtime=1.31
/proc/1199/stat : 1199 (revival) R 1196 1196 822 0 -1 4194304 341 0 0 0 131 0 0 0 25 0 1 50000 235897941 2265088 260 1992294400 134512640 134537284 4294956384 18446744073709551615 134523789 0 0 4096 8192 0 0 0 17 1 0 0
/proc/1199/statm: 553 260 85 6 0 191 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 7572
[startup+3.10122 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 1199
/proc/meminfo: memFree=1412592/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=0.16
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 317 1110 0 0 0 0 16 0 17 0 1 0 235897923 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/1196/statm: 1340 241 197 169 0 51 0
[pid=1199] ppid=1196 vsize=2212 CPUtime=2.9
/proc/1199/stat : 1199 (revival) R 1196 1196 822 0 -1 4194304 345 0 0 0 290 0 0 0 25 0 1 50000 235897941 2265088 264 1992294400 134512640 134537284 4294956384 18446744073709551615 134523789 0 0 4096 8192 0 0 0 17 1 0 0
/proc/1199/statm: 553 264 85 6 0 191 0
Current children cumulated CPU time (s) 3.06
Current children cumulated vsize (KiB) 7572
[startup+6.30152 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 1200
/proc/meminfo: memFree=1411576/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=4.54
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 343 1476 0 0 0 0 453 1 16 0 1 0 235897923 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1196/statm: 1340 241 197 169 0 51 0
[pid=1200] ppid=1196 vsize=3212 CPUtime=1.72
/proc/1200/stat : 1200 (minisat) R 1196 1196 822 0 -1 4194304 473 0 0 0 172 0 0 0 25 0 1 0 235898380 3289088 457 1992294400 134512640 135212939 4294956240 18446744073709551615 134537394 0 0 4096 3 0 0 0 17 0 0 0
/proc/1200/statm: 803 457 76 170 0 631 0
Current children cumulated CPU time (s) 6.26
Current children cumulated vsize (KiB) 8572
[startup+12.7011 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 1200
/proc/meminfo: memFree=1411000/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=4.54
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 343 1476 0 0 0 0 453 1 16 0 1 0 235897923 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1196/statm: 1340 241 197 169 0 51 0
[pid=1200] ppid=1196 vsize=3740 CPUtime=8.12
/proc/1200/stat : 1200 (minisat) R 1196 1196 822 0 -1 4194304 612 0 0 0 812 0 0 0 25 0 1 0 235898380 3829760 596 1992294400 134512640 135212939 4294956240 18446744073709551615 134526557 0 0 4096 3 0 0 0 17 0 0 0
/proc/1200/statm: 935 596 76 170 0 763 0
Current children cumulated CPU time (s) 12.66
Current children cumulated vsize (KiB) 9100
[startup+25.5013 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 1200
/proc/meminfo: memFree=1410872/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=4.54
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 343 1476 0 0 0 0 453 1 16 0 1 0 235897923 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1196/statm: 1340 241 197 169 0 51 0
[pid=1200] ppid=1196 vsize=4020 CPUtime=20.92
/proc/1200/stat : 1200 (minisat) R 1196 1196 822 0 -1 4194304 681 0 0 0 2092 0 0 0 25 0 1 0 235898380 4116480 665 1992294400 134512640 135212939 4294956240 18446744073709551615 134526829 0 0 4096 3 0 0 0 17 0 0 0
/proc/1200/statm: 1005 665 76 170 0 833 0
Current children cumulated CPU time (s) 25.46
Current children cumulated vsize (KiB) 9380
Solver just ended. Dumping a history of the last processes samples
[startup+28.7016 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 1200
/proc/meminfo: memFree=1410680/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=4.54
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 343 1476 0 0 0 0 453 1 16 0 1 0 235897923 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1196/statm: 1340 241 197 169 0 51 0
[pid=1200] ppid=1196 vsize=4292 CPUtime=24.12
/proc/1200/stat : 1200 (minisat) R 1196 1196 822 0 -1 4194304 735 0 0 0 2412 0 0 0 25 0 1 0 235898380 4395008 719 1992294400 134512640 135212939 4294956240 18446744073709551615 134526848 0 0 4096 3 0 0 0 17 0 0 0
/proc/1200/statm: 1073 719 76 170 0 901 0
Current children cumulated CPU time (s) 28.66
Current children cumulated vsize (KiB) 9652
[startup+29.5017 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 1200
/proc/meminfo: memFree=1410680/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=4.54
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 343 1476 0 0 0 0 453 1 16 0 1 0 235897923 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1196/statm: 1340 241 197 169 0 51 0
[pid=1200] ppid=1196 vsize=4292 CPUtime=24.92
/proc/1200/stat : 1200 (minisat) R 1196 1196 822 0 -1 4194304 736 0 0 0 2492 0 0 0 25 0 1 0 235898380 4395008 720 1992294400 134512640 135212939 4294956240 18446744073709551615 134526608 0 0 4096 3 0 0 0 17 0 0 0
/proc/1200/statm: 1073 720 76 170 0 901 0
Current children cumulated CPU time (s) 29.46
Current children cumulated vsize (KiB) 9652
[startup+30.3017 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 1200
/proc/meminfo: memFree=1410616/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=4.54
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 343 1476 0 0 0 0 453 1 16 0 1 0 235897923 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1196/statm: 1340 241 197 169 0 51 0
[pid=1200] ppid=1196 vsize=4292 CPUtime=25.71
/proc/1200/stat : 1200 (minisat) R 1196 1196 822 0 -1 4194304 736 0 0 0 2571 0 0 0 25 0 1 0 235898380 4395008 720 1992294400 134512640 135212939 4294956240 18446744073709551615 134527116 0 0 4096 3 0 0 0 17 0 0 0
/proc/1200/statm: 1073 720 76 170 0 901 0
Current children cumulated CPU time (s) 30.25
Current children cumulated vsize (KiB) 9652
[startup+30.7028 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 1200
/proc/meminfo: memFree=1410552/2055920 swapFree=4110812/4192956
[pid=1196] ppid=1194 vsize=5360 CPUtime=4.54
/proc/1196/stat : 1196 (run.sh) S 1194 1196 822 0 -1 4194304 343 1476 0 0 0 0 453 1 16 0 1 0 235897923 5488640 241 1992294400 4194304 4889804 548682068784 18446744073709551615 212234462020 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/1196/statm: 1340 241 197 169 0 51 0
[pid=1200] ppid=1196 vsize=4292 CPUtime=26.12
/proc/1200/stat : 1200 (minisat) R 1196 1196 822 0 -1 4194304 736 0 0 0 2612 0 0 0 25 0 1 0 235898380 4395008 720 1992294400 134512640 135212939 4294956240 18446744073709551615 134527043 0 0 4096 3 0 0 0 17 0 0 0
/proc/1200/statm: 1073 720 76 170 0 901 0
Current children cumulated CPU time (s) 30.66
Current children cumulated vsize (KiB) 9652
Child status: 20
Real time (s): 30.7692
CPU time (s): 30.7423
CPU user time (s): 30.7213
CPU system time (s): 0.020996
CPU usage (%): 99.9127
Max. virtual memory (cumulated for all children) (KiB): 9708
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.7213
system time used= 0.020996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2578
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= 10
involuntary context switches= 122
runsolver used 0.024996 second user time and 0.097985 second system time
The end
Begin job on node14 at 2009-05-11 23:50:44
IDJOB=1796642
IDBENCH=69621
IDSOLVER=648
FILE ID=node14/1796642-1242078644
PBS_JOBID= 9277603
Free space on /tmp= 65996 MiB
SOLVER NAME= ReVivAl 0.23 + SatElite 2009-03-18
BENCH NAME= SAT_RACE08/cnf/cmu-bmc-longmult15.cnf
COMMAND LINE= HOME/run.sh BENCHNAME TMPDIR
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1796642-1242078644/watcher-1796642-1242078644 -o /tmp/evaluation-result-1796642-1242078644/solver-1796642-1242078644 -C 1200 -W 1800 -M 1800 HOME/run.sh HOME/instance-1796642-1242078644.cnf HOME
TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0
MD5SUM BENCH= 21b49b73035bb6e7a1dd17830907ac9d
RANDOM SEED=1274877332
node14.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005
/proc/cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.00GHz
stepping : 3
cpu MHz : 3000.256
cache size : 2048 KB
fpu : yes
fpu_exception : yes
cpuid level : 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips : 5931.00
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Xeon(TM) CPU 3.00GHz
stepping : 3
cpu MHz : 3000.256
cache size : 2048 KB
fpu : yes
fpu_exception : yes
cpuid level : 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips : 5586.94
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
/proc/meminfo:
MemTotal: 2055920 kB
MemFree: 1414944 kB
Buffers: 75352 kB
Cached: 413528 kB
SwapCached: 77084 kB
Active: 163720 kB
Inactive: 404344 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 2055920 kB
LowFree: 1414944 kB
SwapTotal: 4192956 kB
SwapFree: 4110812 kB
Dirty: 1764 kB
Writeback: 0 kB
Mapped: 13548 kB
Slab: 58876 kB
Committed_AS: 766932 kB
PageTables: 1472 kB
VmallocTotal: 536870911 kB
VmallocUsed: 264952 kB
VmallocChunk: 536605679 kB
HugePages_Total: 0
HugePages_Free: 0
Hugepagesize: 2048 kB
Free space on /tmp at the end= 65992 MiB
End job on node14 at 2009-05-11 23:51:15