Solver Name | Answer | objective function | CPU time | Wall clock time |
---|---|---|---|---|
pb_cplex 2010-06-29 | UNSAT | 23.0625 | 15.894 |
Name | normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/ primes-dimacs-cnf/normalized-ssa2670-141.opb |
MD5SUM | bf686e12342472d00013af54a5ee9279 |
Bench Category | OPT-SMALLINT (optimisation, small integers) |
Best result obtained on this benchmark | UNSAT |
Best value of the objective obtained on this benchmark | |
Best CPU time to get the best result obtained on this benchmark | 0.075988 |
Has Objective Function | YES |
Satisfiable | NO |
(Un)Satisfiability was proved | YES |
Best value of the objective function | |
Optimality of the best value was proved | |
Number of variables | 1972 |
Total number of constraints | 3301 |
Number of constraints which are clauses | 3301 |
Number of constraints which are cardinality constraints (but not clauses) | 0 |
Number of constraints which are nor clauses,nor cardinality constraints | 0 |
Minimum length of a constraint | 1 |
Maximum length of a constraint | 5 |
Number of terms in the objective function | 1972 |
Biggest coefficient in the objective function | 1 |
Number of bits for the biggest coefficient in the objective function | 1 |
Sum of the numbers in the objective function | 1972 |
Number of bits of the sum of numbers in the objective function | 11 |
Biggest number in a constraint | 1 |
Number of bits of the biggest number in a constraint | 1 |
Biggest sum of numbers in a constraint | 1972 |
Number of bits of the biggest sum of numbers | 11 |
Number of products (including duplicates) | 0 |
Sum of products size (including duplicates) | 0 |
Number of different products | 0 |
Sum of products size | 0 |
0.00/0.00 c pb_cplex 1.0 - 20100701 0.00/0.00 c Parsing opb file format. File HOME/instance-2696500-1278018472.opb. 0.00/0.00 c Instance file HOME/instance-2696500-1278018472.opb 0.00/0.00 c File size is 101262 bytes. 0.00/1.00 c Highest Coefficient sum: 6 0.00/1.00 c IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ". 1.00/1.01 c ============================[ Problem Statistics ]============================= 1.00/1.01 c | | 1.00/1.01 c | Parsing time: 1.00 s | 1.00/1.01 c | Number Variables: 1972 | 1.00/1.01 c | Number Constraints: 3301 | 1.00/1.01 c =============================================================================== 22.89/15.89 c Remaining time 1799.00 sec. 22.89/15.89 s UNSATISFIABLE 22.89/15.89 c Total CPU time : 22.8805 s
ERROR: no interpretation found !
runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2696500-1278018472/watcher-2696500-1278018472 -o /tmp/evaluation-result-2696500-1278018472/solver-2696500-1278018472 -C 1800 -W 2000 -M 1800 run HOME/instance-2696500-1278018472.opb 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): 2000 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: 2.01 2.06 1.82 3/107 24503 /proc/meminfo: memFree=1326472/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 [startup+0.0520639 s] /proc/loadavg: 2.01 2.06 1.82 3/107 24503 /proc/meminfo: memFree=1326472/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 Current children cumulated CPU time (s) 0 Current children cumulated vsize (KiB) 8700 [startup+0.101066 s] /proc/loadavg: 2.01 2.06 1.82 3/107 24503 /proc/meminfo: memFree=1326472/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 Current children cumulated CPU time (s) 0 Current children cumulated vsize (KiB) 8700 [startup+0.301086 s] /proc/loadavg: 2.01 2.06 1.82 3/107 24503 /proc/meminfo: memFree=1326472/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 Current children cumulated CPU time (s) 0 Current children cumulated vsize (KiB) 8700 [startup+0.70112 s] /proc/loadavg: 2.01 2.06 1.82 3/107 24503 /proc/meminfo: memFree=1326472/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 Current children cumulated CPU time (s) 0 Current children cumulated vsize (KiB) 8700 [startup+1.50119 s] /proc/loadavg: 2.01 2.06 1.82 2/109 24505 /proc/meminfo: memFree=1324588/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 [pid=24504] ppid=24503 vsize=27244 CPUtime=1.49 /proc/24504/stat : 24504 (pb_cplex) R 24503 24503 24131 0 -1 4202496 4363 0 0 0 148 1 0 0 25 0 1 0 175502922 27897856 3260 1992294400 134512640 146736320 4286714560 18446744073709551615 136406488 0 0 4096 16387 0 0 0 17 1 0 0 0 /proc/24504/statm: 6811 3260 1024 2985 0 3353 0 Current children cumulated CPU time (s) 1.49 Current children cumulated vsize (KiB) 35944 [startup+3.10034 s] /proc/loadavg: 2.01 2.06 1.82 2/109 24505 /proc/meminfo: memFree=1317396/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 [pid=24504] ppid=24503 vsize=26916 CPUtime=3.08 /proc/24504/stat : 24504 (pb_cplex) R 24503 24503 24131 0 -1 4202496 7390 0 0 0 307 1 0 0 25 0 1 0 175502922 27561984 3430 1992294400 134512640 146736320 4286714560 18446744073709551615 136934721 0 0 4096 16387 0 0 0 17 1 0 0 0 /proc/24504/statm: 6729 3430 1032 2985 0 3271 0 Current children cumulated CPU time (s) 3.08 Current children cumulated vsize (KiB) 35616 [startup+6.30062 s] /proc/loadavg: 1.93 2.04 1.82 2/109 24505 /proc/meminfo: memFree=1315908/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 [pid=24504] ppid=24503 vsize=29152 CPUtime=6.29 /proc/24504/stat : 24504 (pb_cplex) R 24503 24503 24131 0 -1 4202496 13350 0 0 0 625 4 0 0 25 0 1 0 175502922 29851648 3511 1992294400 134512640 146736320 4286714560 18446744073709551615 136942477 0 0 4096 16387 0 0 0 17 1 0 0 0 /proc/24504/statm: 7288 3514 1047 2985 0 3830 0 Current children cumulated CPU time (s) 6.29 Current children cumulated vsize (KiB) 37852 [startup+12.7012 s] /proc/loadavg: 1.94 2.04 1.82 2/110 24506 /proc/meminfo: memFree=1307096/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 [pid=24504] ppid=24503 vsize=38268 CPUtime=17.73 /proc/24504/stat : 24504 (pb_cplex) R 24503 24503 24131 0 -1 4202496 16444 0 0 0 1763 10 0 0 17 0 1 0 175502922 39186432 4000 1992294400 134512640 146736320 4286714560 18446744073709551615 137412913 0 0 4096 16387 0 0 0 17 0 0 0 0 /proc/24504/statm: 9567 4000 1062 2985 0 6109 0 Current children cumulated CPU time (s) 17.73 Current children cumulated vsize (KiB) 46968 Solver just ended. Dumping a history of the last processes samples [startup+14.3094 s] /proc/loadavg: 1.94 2.04 1.82 3/110 24509 /proc/meminfo: memFree=1313544/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 [pid=24504] ppid=24503 vsize=39292 CPUtime=20.11 /proc/24504/stat : 24504 (pb_cplex) R 24503 24503 24131 0 -1 4202496 18294 0 0 0 1999 12 0 0 16 0 2 0 175502922 40235008 4308 1992294400 134512640 146736320 4286714560 18446744073709551615 135468697 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0 /proc/24504/statm: 9823 4308 1078 2985 0 6365 0 [pid=24504/tid=24509] ppid=24503 vsize=39292 CPUtime=1.2 /proc/24504/task/24509/stat : 24509 (pb_cplex) R 24503 24503 24131 0 -1 4202560 20 0 0 0 120 0 0 0 18 0 2 0 175504209 40235008 4308 1992294400 134512640 146736320 4286714560 18446744073709551615 135468175 0 2 4096 16387 0 0 0 -1 0 0 0 0 Current children cumulated CPU time (s) 20.11 Current children cumulated vsize (KiB) 47992 [startup+15.1014 s] /proc/loadavg: 1.94 2.04 1.82 3/110 24509 /proc/meminfo: memFree=1313544/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 [pid=24504] ppid=24503 vsize=39292 CPUtime=21.59 /proc/24504/stat : 24504 (pb_cplex) R 24503 24503 24131 0 -1 4202496 19556 0 0 0 2145 14 0 0 16 0 2 0 175502922 40235008 4325 1992294400 134512640 146736320 4286714560 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0 /proc/24504/statm: 9823 4325 1078 2985 0 6365 0 [pid=24504/tid=24509] ppid=24503 vsize=39292 CPUtime=1.94 /proc/24504/task/24509/stat : 24509 (pb_cplex) S 24503 24503 24131 0 -1 4202560 134 0 0 0 193 1 0 0 17 0 2 0 175504209 40235008 4325 1992294400 134512640 146736320 4286714560 18446744073709551615 144580073 0 2 4096 16387 18446604437831756800 0 0 -1 0 0 0 0 Current children cumulated CPU time (s) 21.59 Current children cumulated vsize (KiB) 47992 [startup+15.5015 s] /proc/loadavg: 1.94 2.04 1.82 3/110 24509 /proc/meminfo: memFree=1313048/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 [pid=24504] ppid=24503 vsize=39292 CPUtime=22.32 /proc/24504/stat : 24504 (pb_cplex) R 24503 24503 24131 0 -1 4202496 20046 0 0 0 2216 16 0 0 16 0 2 0 175502922 40235008 4325 1992294400 134512640 146736320 4286714560 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0 /proc/24504/statm: 9823 4325 1078 2985 0 6365 0 [pid=24504/tid=24509] ppid=24503 vsize=39292 CPUtime=2.29 /proc/24504/task/24509/stat : 24509 (pb_cplex) R 24503 24503 24131 0 -1 4202560 624 0 0 0 227 2 0 0 17 0 2 0 175504209 40235008 4325 1992294400 134512640 146736320 4286714560 18446744073709551615 135854374 0 2 4096 16387 0 0 0 -1 0 0 0 0 Current children cumulated CPU time (s) 22.32 Current children cumulated vsize (KiB) 47992 [startup+15.7015 s] /proc/loadavg: 1.94 2.04 1.82 3/110 24509 /proc/meminfo: memFree=1313048/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 [pid=24504] ppid=24503 vsize=39292 CPUtime=22.69 /proc/24504/stat : 24504 (pb_cplex) R 24503 24503 24131 0 -1 4202496 20245 0 0 0 2253 16 0 0 16 0 2 0 175502922 40235008 4343 1992294400 134512640 146736320 4286714560 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0 /proc/24504/statm: 9823 4343 1078 2985 0 6365 0 [pid=24504/tid=24509] ppid=24503 vsize=39292 CPUtime=2.47 /proc/24504/task/24509/stat : 24509 (pb_cplex) R 24503 24503 24131 0 -1 4202560 823 0 0 0 245 2 0 0 17 0 2 0 175504209 40235008 4343 1992294400 134512640 146736320 4286714560 18446744073709551615 136403235 0 2 4096 16387 0 0 0 -1 0 0 0 0 Current children cumulated CPU time (s) 22.69 Current children cumulated vsize (KiB) 47992 [startup+15.8015 s] /proc/loadavg: 1.94 2.04 1.82 3/110 24509 /proc/meminfo: memFree=1313048/2059040 swapFree=4139232/4192956 [pid=24503] ppid=24501 vsize=8700 CPUtime=0 /proc/24503/stat : 24503 (run) S 24501 24503 24131 0 -1 4202496 363 0 0 0 0 0 0 0 18 0 1 0 175502921 8908800 248 1992294400 4194304 4922060 140736172608640 18446744073709551615 259177159813 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0 /proc/24503/statm: 2175 248 208 178 0 68 0 [pid=24504] ppid=24503 vsize=39292 CPUtime=22.89 /proc/24504/stat : 24504 (pb_cplex) R 24503 24503 24131 0 -1 4202496 20375 0 0 0 2272 17 0 0 16 0 2 0 175502922 40235008 4325 1992294400 134512640 146736320 4286714560 18446744073709551615 144757825 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0 /proc/24504/statm: 9823 4325 1078 2985 0 6365 0 [pid=24504/tid=24509] ppid=24503 vsize=39292 CPUtime=2.56 /proc/24504/task/24509/stat : 24509 (pb_cplex) R 24503 24503 24131 0 -1 4202560 953 0 0 0 254 2 0 0 18 0 2 0 175504209 40235008 4325 1992294400 134512640 146736320 4286714560 18446744073709551615 144738703 0 2 4096 16387 0 0 0 -1 0 0 0 0 Current children cumulated CPU time (s) 22.89 Current children cumulated vsize (KiB) 47992 Child status: 0 Real time (s): 15.894 CPU time (s): 23.0625 CPU user time (s): 22.8825 CPU system time (s): 0.179972 CPU usage (%): 145.102 Max. virtual memory (cumulated for all children) (KiB): 57360 getrusage(RUSAGE_CHILDREN,...) data: user time used= 22.8825 system time used= 0.179972 maximum resident set size= 0 integral shared memory size= 0 integral unshared data size= 0 integral unshared stack size= 0 page reclaims= 20884 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= 1467 involuntary context switches= 296 runsolver used 0.030995 second user time and 0.087986 second system time The end
Begin job on node025 at 2010-07-01 23:07:52 IDJOB=2696500 IDBENCH=2156 IDSOLVER=1209 FILE ID=node025/2696500-1278018472 PBS_JOBID= 11198736 Free space on /tmp= 62232 MiB SOLVER NAME= pb_cplex 2010-06-29 BENCH NAME= PB06//final/normalized-PB06/OPT-SMALLINT/submitted-PB05/manquinho/primes-dimacs-cnf/normalized-ssa2670-141.opb COMMAND LINE= run BENCHNAME RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2696500-1278018472/watcher-2696500-1278018472 -o /tmp/evaluation-result-2696500-1278018472/solver-2696500-1278018472 -C 1800 -W 2000 -M 1800 run HOME/instance-2696500-1278018472.opb TIME LIMIT= 1800 seconds MEMORY LIMIT= 1800 MiB MAX NB THREAD= 0 MD5SUM BENCH= bf686e12342472d00013af54a5ee9279 RANDOM SEED=1603586955 node025.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 : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 3 cpu MHz : 3000.242 cache size : 2048 KB physical id : 0 siblings : 1 core id : 0 cpu cores : 1 apicid : 0 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 constant_tsc pni monitor ds_cpl cid cx16 xtpr bogomips : 6000.48 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 physical id : 3 siblings : 1 core id : 0 cpu cores : 1 apicid : 6 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 constant_tsc pni monitor ds_cpl cid cx16 xtpr bogomips : 5599.44 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: /proc/meminfo: MemTotal: 2059040 kB MemFree: 1327000 kB Buffers: 201540 kB Cached: 411916 kB SwapCached: 7972 kB Active: 321272 kB Inactive: 307252 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 2059040 kB LowFree: 1327000 kB SwapTotal: 4192956 kB SwapFree: 4139232 kB Dirty: 16680 kB Writeback: 0 kB AnonPages: 12852 kB Mapped: 11984 kB Slab: 81484 kB PageTables: 4236 kB NFS_Unstable: 0 kB Bounce: 0 kB CommitLimit: 5222476 kB Committed_AS: 183040 kB VmallocTotal: 34359738367 kB VmallocUsed: 264948 kB VmallocChunk: 34359471699 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 Hugepagesize: 2048 kB Free space on /tmp at the end= 62216 MiB End job on node025 at 2010-07-01 23:08:08