0.00/0.00 c
0.00/0.00 c Starting SatElite Preprocessing
0.00/0.00 c
0.00/0.00 c Parsing...
0.00/0.00 c ==============================================================================
0.00/0.00 c | | ORIGINAL | LEARNT | |
0.00/0.00 c | Conflicts | Clauses Literals | Limit Clauses Literals Lit/Cl | Progress |
0.00/0.00 c ==============================================================================
0.00/0.00 c | 0 | 6210 14490 | 1862 0 0 nan | 0.000 % |
0.00/0.03 c | 0 | 4553 13016 | -- 0 -- -- | -- | -1655/-1469
0.00/0.03 c ==============================================================================
0.00/0.03 c Result : #vars: 1105 #clauses: 4553 #literals: 13016
0.00/0.03 c CPU time: 0.030995 s
0.00/0.03 c ==============================================================================
0.00/0.04 c
0.00/0.04 c Starting glucose
0.00/0.04 c
0.00/0.04
0.00/0.04 c This is glucose 1.0 -- based on MiniSAT (Many thanks to MiniSAT team)
0.00/0.04
0.00/0.04 c ============================[ Problem Statistics ]=============================
0.00/0.04 c | |
0.00/0.04 c | Number of variables: 1105 |
0.00/0.04 c | Number of clauses: 4553 |
0.03/0.04 c | Parsing time: 0.00 s |
33.96/34.04 c restarts : 10
33.96/34.04 c nb ReduceDB : 11
33.96/34.04 c nb learnts DL2 : 204
33.96/34.04 c nb learnts size 2 : 125
33.96/34.04 c nb learnts size 1 : 17
33.96/34.04 c conflicts : 119251 (3510 /sec)
33.96/34.04 c decisions : 125547 (1.50 % random) (3696 /sec)
33.96/34.04 c propagations : 55188092 (1624573 /sec)
33.96/34.04 c conflict literals : 1590796 (84.68 % deleted)
33.96/34.04 c Memory used : 5.31 MB
33.96/34.04 c CPU time : 33.9708 s
33.96/34.04
33.96/34.04 s UNSATISFIABLE
runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr
command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1554086-1238723501/watcher-1554086-1238723501 -o /tmp/evaluation-result-1554086-1238723501/solver-1554086-1238723501 -C 1200 -W 1800 -M 1800 --output-limit 1,15 glucose.sh HOME/instance-1554086-1238723501.cnf
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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB
[startup+0 s]
/proc/loadavg: 0.92 1.00 1.11 3/64 25868
/proc/meminfo: memFree=1078312/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 287 0 0 0 0 0 0 0 18 0 1 0 1145012862 5488640 236 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/25868/statm: 1340 236 195 169 0 51 0
[pid=25869] ppid=25868 vsize=1300 CPUtime=0
/proc/25869/stat : 25869 (SatELite_releas) R 25868 25868 25261 0 -1 4194304 190 0 0 0 0 0 0 0 18 0 1 0 1145012862 1331200 174 1992294400 134512640 135225430 4294956160 18446744073709551615 134735534 0 0 4096 3 0 0 0 17 1 0 0
/proc/25869/statm: 325 175 50 174 0 148 0
[startup+0.0449569 s]
/proc/loadavg: 0.92 1.00 1.11 3/64 25868
/proc/meminfo: memFree=1078312/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5360
[startup+0.101957 s]
/proc/loadavg: 0.92 1.00 1.11 3/64 25868
/proc/meminfo: memFree=1078312/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5360
[startup+0.301974 s]
/proc/loadavg: 0.92 1.00 1.11 3/64 25868
/proc/meminfo: memFree=1078312/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5360
[startup+0.702011 s]
/proc/loadavg: 0.92 1.00 1.11 3/64 25868
/proc/meminfo: memFree=1078312/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5360
[startup+1.50108 s]
/proc/loadavg: 0.92 1.00 1.11 2/66 25871
/proc/meminfo: memFree=1076568/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
[pid=25871] ppid=25868 vsize=3116 CPUtime=1.45
/proc/25871/stat : 25871 (glucose_static) R 25868 25868 25261 0 -1 4194304 444 0 0 0 145 0 0 0 25 0 1 0 1145012866 3190784 430 1992294400 134512640 135217611 4294956272 18446744073709551615 134537525 0 0 4096 8388611 0 0 0 17 0 0 0
/proc/25871/statm: 779 430 75 172 0 604 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 8476
[startup+3.10123 s]
/proc/loadavg: 0.92 1.00 1.11 2/66 25871
/proc/meminfo: memFree=1076120/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
[pid=25871] ppid=25868 vsize=3528 CPUtime=3.05
/proc/25871/stat : 25871 (glucose_static) R 25868 25868 25261 0 -1 4194304 549 0 0 0 305 0 0 0 25 0 1 0 1145012866 3612672 535 1992294400 134512640 135217611 4294956272 18446744073709551615 134537404 0 0 4096 8388611 0 0 0 17 0 0 0
/proc/25871/statm: 882 535 76 172 0 707 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 8888
[startup+6.30151 s]
/proc/loadavg: 0.93 1.00 1.11 2/66 25871
/proc/meminfo: memFree=1075544/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
[pid=25871] ppid=25868 vsize=4096 CPUtime=6.25
/proc/25871/stat : 25871 (glucose_static) R 25868 25868 25261 0 -1 4194304 666 0 0 0 625 0 0 0 25 0 1 0 1145012866 4194304 652 1992294400 134512640 135217611 4294956272 18446744073709551615 134537495 0 0 4096 8388611 0 0 0 17 0 0 0
/proc/25871/statm: 1024 652 76 172 0 849 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 9456
[startup+12.7011 s]
/proc/loadavg: 0.93 1.00 1.11 2/66 25871
/proc/meminfo: memFree=1074520/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
[pid=25871] ppid=25868 vsize=4804 CPUtime=12.64
/proc/25871/stat : 25871 (glucose_static) R 25868 25868 25261 0 -1 4194304 839 0 0 0 1264 0 0 0 25 0 1 0 1145012866 4919296 825 1992294400 134512640 135217611 4294956272 18446744073709551615 134533155 0 0 4096 8388611 0 0 0 17 0 0 0
/proc/25871/statm: 1201 825 76 172 0 1026 0
Current children cumulated CPU time (s) 12.67
Current children cumulated vsize (KiB) 10164
[startup+25.5022 s]
/proc/loadavg: 0.95 1.00 1.11 2/66 25871
/proc/meminfo: memFree=1074008/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
[pid=25871] ppid=25868 vsize=5432 CPUtime=25.44
/proc/25871/stat : 25871 (glucose_static) R 25868 25868 25261 0 -1 4194304 983 0 0 0 2544 0 0 0 25 0 1 0 1145012866 5562368 969 1992294400 134512640 135217611 4294956272 18446744073709551615 134532971 0 0 4096 8388611 0 0 0 17 0 0 0
/proc/25871/statm: 1358 969 76 172 0 1183 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 10792
Solver just ended. Dumping a history of the last processes samples
[startup+28.7015 s]
/proc/loadavg: 0.95 1.00 1.11 2/66 25871
/proc/meminfo: memFree=1074008/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
[pid=25871] ppid=25868 vsize=5432 CPUtime=28.63
/proc/25871/stat : 25871 (glucose_static) R 25868 25868 25261 0 -1 4194304 996 0 0 0 2863 0 0 0 25 0 1 0 1145012866 5562368 982 1992294400 134512640 135217611 4294956272 18446744073709551615 134537049 0 0 4096 8388611 0 0 0 17 0 0 0
/proc/25871/statm: 1358 982 76 172 0 1183 0
Current children cumulated CPU time (s) 28.66
Current children cumulated vsize (KiB) 10792
[startup+31.9068 s]
/proc/loadavg: 0.95 1.00 1.10 2/66 25871
/proc/meminfo: memFree=1073944/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
[pid=25871] ppid=25868 vsize=5432 CPUtime=31.83
/proc/25871/stat : 25871 (glucose_static) R 25868 25868 25261 0 -1 4194304 1006 0 0 0 3183 0 0 0 25 0 1 0 1145012866 5562368 992 1992294400 134512640 135217611 4294956272 18446744073709551615 134533040 0 0 4096 8388611 0 0 0 17 0 0 0
/proc/25871/statm: 1358 992 76 172 0 1183 0
Current children cumulated CPU time (s) 31.86
Current children cumulated vsize (KiB) 10792
[startup+32.7019 s]
/proc/loadavg: 0.95 1.00 1.10 2/66 25871
/proc/meminfo: memFree=1073944/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
[pid=25871] ppid=25868 vsize=5432 CPUtime=32.63
/proc/25871/stat : 25871 (glucose_static) R 25868 25868 25261 0 -1 4194304 1006 0 0 0 3263 0 0 0 25 0 1 0 1145012866 5562368 992 1992294400 134512640 135217611 4294956272 18446744073709551615 134532756 0 0 4096 8388611 0 0 0 17 0 0 0
/proc/25871/statm: 1358 992 76 172 0 1183 0
Current children cumulated CPU time (s) 32.66
Current children cumulated vsize (KiB) 10792
[startup+33.503 s]
/proc/loadavg: 0.95 1.00 1.10 2/66 25871
/proc/meminfo: memFree=1073944/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
[pid=25871] ppid=25868 vsize=5432 CPUtime=33.43
/proc/25871/stat : 25871 (glucose_static) R 25868 25868 25261 0 -1 4194304 1006 0 0 0 3343 0 0 0 25 0 1 0 1145012866 5562368 992 1992294400 134512640 135217611 4294956272 18446744073709551615 134528185 0 0 4096 8388611 0 0 0 17 0 0 0
/proc/25871/statm: 1358 992 76 172 0 1183 0
Current children cumulated CPU time (s) 33.46
Current children cumulated vsize (KiB) 10792
[startup+33.903 s]
/proc/loadavg: 0.95 1.00 1.10 2/66 25871
/proc/meminfo: memFree=1073944/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
[pid=25871] ppid=25868 vsize=5432 CPUtime=33.83
/proc/25871/stat : 25871 (glucose_static) R 25868 25868 25261 0 -1 4194304 1006 0 0 0 3383 0 0 0 25 0 1 0 1145012866 5562368 992 1992294400 134512640 135217611 4294956272 18446744073709551615 134533148 0 0 4096 8388611 0 0 0 17 0 0 0
/proc/25871/statm: 1358 992 76 172 0 1183 0
Current children cumulated CPU time (s) 33.86
Current children cumulated vsize (KiB) 10792
[startup+34.003 s]
/proc/loadavg: 0.95 1.00 1.10 2/66 25871
/proc/meminfo: memFree=1073944/2055920 swapFree=4178356/4192956
[pid=25868] ppid=25866 vsize=5360 CPUtime=0.03
/proc/25868/stat : 25868 (glucose.sh) S 25866 25868 25261 0 -1 4194304 313 396 0 0 0 0 3 0 16 0 1 0 1145012862 5488640 238 1992294400 4194304 4889804 548682068800 18446744073709551615 221954761540 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/25868/statm: 1340 238 195 169 0 51 0
[pid=25871] ppid=25868 vsize=5432 CPUtime=33.93
/proc/25871/stat : 25871 (glucose_static) R 25868 25868 25261 0 -1 4194304 1006 0 0 0 3393 0 0 0 25 0 1 0 1145012866 5562368 992 1992294400 134512640 135217611 4294956272 18446744073709551615 134536968 0 0 4096 8388611 0 0 0 17 0 0 0
/proc/25871/statm: 1358 992 76 172 0 1183 0
Current children cumulated CPU time (s) 33.96
Current children cumulated vsize (KiB) 10792
Child status: 20
Real time (s): 34.0462
CPU time (s): 34.0248
CPU user time (s): 34.0088
CPU system time (s): 0.015997
CPU usage (%): 99.9372
Max. virtual memory (cumulated for all children) (KiB): 10792
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 34.0088
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1883
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= 11
involuntary context switches= 137
runsolver used 0.038994 second user time and 0.094985 second system time
The end
Begin job on node43 at 2009-04-03 03:51:41
IDJOB=1554086
IDBENCH=70774
IDSOLVER=503
FILE ID=node43/1554086-1238723501
PBS_JOBID= 9085300
Free space on /tmp= 63084 MiB
SOLVER NAME= glucose 1.0
BENCH NAME= SAT09/APPLICATIONS/bitverif/countbitsrotate/countbitsrotate016.cnf
COMMAND LINE= glucose.sh BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1554086-1238723501/watcher-1554086-1238723501 -o /tmp/evaluation-result-1554086-1238723501/solver-1554086-1238723501 -C 1200 -W 1800 -M 1800 --output-limit 1,15 glucose.sh HOME/instance-1554086-1238723501.cnf
TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0
MD5SUM BENCH= cb3e934c498918abbc8bcf7f964c0d21
RANDOM SEED=749509679
node43.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 : 3000.242
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 : 5914.62
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 : 3000.242
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: 1078792 kB
Buffers: 100476 kB
Cached: 778428 kB
SwapCached: 8564 kB
Active: 345664 kB
Inactive: 543360 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 2055920 kB
LowFree: 1078792 kB
SwapTotal: 4192956 kB
SwapFree: 4178356 kB
Dirty: 1660 kB
Writeback: 0 kB
Mapped: 15852 kB
Slab: 74176 kB
Committed_AS: 2735808 kB
PageTables: 1448 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= 63084 MiB
End job on node43 at 2009-04-03 03:52:15