0.03/0.07
0.03/0.07 Abscon 112 (May, 2008)
0.11/0.19
0.11/0.19 configuration
0.11/0.19 name=esac.xml
0.22/0.23
0.22/0.23 instance
0.22/0.23 name=HOME/instance-1076315-1215186533.xml
0.22/0.26
0.22/0.26 domains being loaded...
0.22/0.27
0.22/0.27 variables being loaded...
0.22/0.30 nbVariables=108 nbDomainTypes=1 minDomainSize=26 maxDomainSize=26 nbTotalValues=2808
0.22/0.30 => wckTime=0.1 cpuTime=0.1 mem=7M919
0.34/0.30
0.34/0.30 relations being loaded...
0.76/0.76
0.76/0.76 constraints being loaded...
0.86/0.87 Too large in ConstraintConflictsSTructure
0.96/0.95 Too large in ConstraintConflictsSTructure
1.05/1.05 nbConstraints=21 nbRelationTypes=2 nbGlobalConstraints=21 nbExtensionStructures=2
1.05/1.05 nbSharedExtensionStructures=19 nbUnbuiltConflictsStructures=2 nbSharedBinaryRepresentations=0 minDegree=2
1.05/1.05 maxDegree=2 minArity=9 avgArity=10.29 maxArity=12 nbGenerators=0 nbFusions=0 symmetryWckTime=0.079
1.05/1.05 symmetryCpuTime=0.03
1.05/1.05 => wckTime=0.847 cpuTime=0.74 mem=45M447
1.15/1.16
1.15/1.16 solver IterativeSystematicSolver being built...
1.23/1.22
1.23/1.23 INFO : Forward propagation technique limited
runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr
command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1076315-1215186533/watcher-1076315-1215186533 -o /tmp/evaluation-result-1076315-1215186533/solver-1076315-1215186533 -C 1800 -W 2200 -M 900 --output-limit 1,15 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution esac.xml 1 XSax HOME/instance-1076315-1215186533.xml
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): 2200 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 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: 0.26 1.02 1.58 3/67 8945
/proc/meminfo: memFree=1559672/2055920 swapFree=4180424/4192956
[pid=8945] ppid=8943 vsize=152 CPUtime=0
/proc/8945/stat : 8945 (java) R 8943 8945 5127 0 -1 0 205 0 0 0 0 0 0 0 18 0 1 0 1997626776 155648 26 996147200 134512640 134550740 4294955968 18446744073709551615 10945316 0 0 4096 0 0 0 0 17 0 0 0
/proc/8945/statm: 38 26 19 9 0 4 0
[startup+0.043346 s]
/proc/loadavg: 0.26 1.02 1.58 3/67 8945
/proc/meminfo: memFree=1559672/2055920 swapFree=4180424/4192956
[pid=8945] ppid=8943 vsize=863688 CPUtime=0.03
/proc/8945/stat : 8945 (java) S 8943 8945 5127 0 -1 0 2420 0 1 0 1 2 0 0 18 0 9 0 1997626776 884416512 1995 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/8945/statm: 215922 1995 911 9 0 210901 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 863688
[startup+0.101355 s]
/proc/loadavg: 0.26 1.02 1.58 3/67 8945
/proc/meminfo: memFree=1559672/2055920 swapFree=4180424/4192956
[pid=8945] ppid=8943 vsize=866768 CPUtime=0.11
/proc/8945/stat : 8945 (java) S 8943 8945 5127 0 -1 0 4002 0 1 0 8 3 0 0 18 0 9 0 1997626776 887570432 3442 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/8945/statm: 216692 3443 1785 9 0 211247 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 866768
[startup+0.301379 s]
/proc/loadavg: 0.26 1.02 1.58 3/67 8945
/proc/meminfo: memFree=1559672/2055920 swapFree=4180424/4192956
[pid=8945] ppid=8943 vsize=867148 CPUtime=0.34
/proc/8945/stat : 8945 (java) S 8943 8945 5127 0 -1 0 6590 0 1 0 29 5 0 0 18 0 9 0 1997626776 887959552 5960 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/8945/statm: 216787 5960 1966 9 0 211315 0
Current children cumulated CPU time (s) 0.34
Current children cumulated vsize (KiB) 867148
[startup+0.701427 s]
/proc/loadavg: 0.26 1.02 1.58 3/67 8945
/proc/meminfo: memFree=1559672/2055920 swapFree=4180424/4192956
[pid=8945] ppid=8943 vsize=867284 CPUtime=0.76
/proc/8945/stat : 8945 (java) S 8943 8945 5127 0 -1 0 20088 0 1 0 64 12 0 0 18 0 9 0 1997626776 888098816 19457 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/8945/statm: 216821 19457 1981 9 0 211349 0
Current children cumulated CPU time (s) 0.76
Current children cumulated vsize (KiB) 867284
Maximum VSize exceeded: sending SIGTERM then SIGKILL
[startup+1.00148 s]
/proc/loadavg: 0.26 1.02 1.58 4/83 8968
/proc/meminfo: memFree=1483640/2055920 swapFree=4180424/4192956
[pid=8945] ppid=8943 vsize=867608 CPUtime=1.05
/proc/8945/stat : 8945 (java) S 8943 8945 5127 0 -1 0 20378 150 1 0 92 13 0 0 18 0 10 0 1997626776 888430592 19562 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/8945/statm: 216902 19562 2003 9 0 211430 0
[pid=8968] ppid=8945 vsize=867608 CPUtime=0
/proc/8968/stat : 8968 (java) R 8945 8945 5127 0 -1 64 0 0 0 0 0 0 0 0 17 0 1 0 1997626876 888430592 19562 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 17 1 0 0
/proc/8968/statm: 216902 19562 2003 9 0 211430 0
[pid=8945/tid=8947] ppid=8943 vsize=867608 CPUtime=0.89
/proc/8945/task/8947/stat : 8947 (java) S 8943 8945 5127 0 -1 64 15837 150 1 0 80 9 0 0 17 0 10 0 1997626777 888430592 19562 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=8945/tid=8948] ppid=8943 vsize=867608 CPUtime=0.03
/proc/8945/task/8948/stat : 8948 (java) S 8943 8945 5127 0 -1 64 3407 150 0 0 2 1 0 0 16 0 10 0 1997626778 888430592 19562 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 0 0 0 -1 0 0 0
[pid=8945/tid=8949] ppid=8943 vsize=867608 CPUtime=0
/proc/8945/task/8949/stat : 8949 (java) S 8943 8945 5127 0 -1 64 9 150 0 0 0 0 0 0 22 0 10 0 1997626778 888430592 19562 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=8945/tid=8950] ppid=8943 vsize=867608 CPUtime=0
/proc/8945/task/8950/stat : 8950 (java) S 8943 8945 5127 0 -1 64 4 150 0 0 0 0 0 0 23 0 10 0 1997626778 888430592 19562 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=8945/tid=8951] ppid=8943 vsize=867608 CPUtime=0
/proc/8945/task/8951/stat : 8951 (java) S 8943 8945 5127 0 -1 64 1 150 0 0 0 0 0 0 24 0 10 0 1997626780 888430592 19562 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=8945/tid=8952] ppid=8943 vsize=867608 CPUtime=0.09
/proc/8945/task/8952/stat : 8952 (java) S 8943 8945 5127 0 -1 64 354 150 0 0 9 0 0 0 16 0 10 0 1997626780 888430592 19562 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=8945/tid=8953] ppid=8943 vsize=867608 CPUtime=0
/proc/8945/task/8953/stat : 8953 (java) S 8943 8945 5127 0 -1 64 2 150 0 0 0 0 0 0 25 0 10 0 1997626780 888430592 19562 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=8945/tid=8954] ppid=8943 vsize=867608 CPUtime=0
/proc/8945/task/8954/stat : 8954 (java) S 8943 8945 5127 0 -1 64 8 150 0 0 0 0 0 0 15 0 10 0 1997626780 888430592 19562 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=8945/tid=8967] ppid=8943 vsize=867608 CPUtime=0
/proc/8945/task/8967/stat : 8967 (java) R 8943 8945 5127 0 -1 64 1 150 0 0 0 0 0 0 17 0 10 0 1997626876 888430592 19562 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 1.05
Current children cumulated vsize (KiB) 1735216
Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds
Solver just ended. Dumping a history of the last processes samples
[startup+1.20547 s]
/proc/loadavg: 0.26 1.02 1.58 4/83 8968
/proc/meminfo: memFree=1483640/2055920 swapFree=4180424/4192956
[pid=8945] ppid=8943 vsize=868148 CPUtime=1.23
/proc/8945/stat : 8945 (java) S 8943 8945 5127 0 -1 0 30952 150 1 0 108 15 0 0 16 0 11 0 1997626776 888983552 24154 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/8945/statm: 217037 24154 2630 9 0 211543 0
[pid=8968] ppid=8945 vsize=44 CPUtime=0
/proc/8968/stat : 8968 (rm) R 8945 8945 5127 0 -1 4194304 26 0 0 0 0 0 0 0 19 0 1 0 1997626876 45056 2 996147200 0 0 548682069477 18446744073709551615 4294960144 0 4 0 0 0 0 0 17 1 0 0
/proc/8968/statm: 11 2 0 0 0 1 0
[pid=8945/tid=8947] ppid=8943 vsize=868148 CPUtime=0.95
/proc/8945/task/8947/stat : 8947 (java) R 8943 8945 5127 0 -1 64 17360 150 1 0 86 9 0 0 16 0 11 0 1997626777 888983552 24154 996147200 134512640 134550740 4294955968 18446744073709551615 104523514 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=8945/tid=8948] ppid=8943 vsize=868148 CPUtime=0.13
/proc/8945/task/8948/stat : 8948 (java) R 8943 8945 5127 0 -1 64 12269 150 0 0 10 3 0 0 17 0 11 0 1997626778 888983552 24154 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 0 0 0 -1 1 0 0
[pid=8945/tid=8949] ppid=8943 vsize=868148 CPUtime=0
/proc/8945/task/8949/stat : 8949 (java) S 8943 8945 5127 0 -1 64 13 150 0 0 0 0 0 0 16 0 11 0 1997626778 888983552 24154 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=8945/tid=8950] ppid=8943 vsize=868148 CPUtime=0
/proc/8945/task/8950/stat : 8950 (java) S 8943 8945 5127 0 -1 64 8 150 0 0 0 0 0 0 16 0 11 0 1997626778 888983552 24154 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=8945/tid=8951] ppid=8943 vsize=868148 CPUtime=0
/proc/8945/task/8951/stat : 8951 (java) S 8943 8945 5127 0 -1 64 14 150 0 0 0 0 0 0 16 0 11 0 1997626780 888983552 24154 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=8945/tid=8952] ppid=8943 vsize=868148 CPUtime=0.11
/proc/8945/task/8952/stat : 8952 (java) S 8943 8945 5127 0 -1 64 467 150 0 0 11 0 0 0 15 0 11 0 1997626780 888983552 24154 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=8945/tid=8953] ppid=8943 vsize=868148 CPUtime=0
/proc/8945/task/8953/stat : 8953 (java) S 8943 8945 5127 0 -1 64 2 150 0 0 0 0 0 0 25 0 11 0 1997626780 888983552 24154 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=8945/tid=8954] ppid=8943 vsize=868148 CPUtime=0
/proc/8945/task/8954/stat : 8954 (java) S 8943 8945 5127 0 -1 64 11 150 0 0 0 0 0 0 15 0 11 0 1997626780 888983552 24154 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=8945/tid=8967] ppid=8943 vsize=868148 CPUtime=0
/proc/8945/task/8967/stat : 8967 (java) S 8943 8945 5127 0 -1 64 49 150 0 0 0 0 0 0 16 0 11 0 1997626876 888983552 24154 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 18446744071563356171 0 0 -1 1 0 0
Current children cumulated CPU time (s) 1.23
Current children cumulated vsize (KiB) 868192
[startup+1.30151 s]
/proc/loadavg: 0.26 1.02 1.58 4/83 8968
/proc/meminfo: memFree=1483640/2055920 swapFree=4180424/4192956
[pid=8945] ppid=8943 vsize=868148 CPUtime=1.33
/proc/8945/stat : 8945 (java) S 8943 8945 5127 0 -1 0 33275 150 1 0 117 16 0 0 16 0 9 0 1997626776 888983552 24204 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/8945/statm: 217037 24204 2631 9 0 211543 0
[pid=8968] ppid=8945 vsize=0 CPUtime=0
/proc/8968/stat : 8968 (rm) R 8945 8945 5127 0 -1 4194308 127 0 0 0 0 0 0 0 19 0 1 0 1997626876 0 0 996147200 0 0 0 0 0 0 4 0 0 0 0 0 17 1 0 0
/proc/8968/statm: 0 0 0 0 0 0 0
[pid=8945/tid=8947] ppid=8943 vsize=868148 CPUtime=1.03
/proc/8945/task/8947/stat : 8947 (java) S 8943 8945 5127 0 -1 64 19617 150 1 0 93 10 0 0 17 0 9 0 1997626777 888983552 24204 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=8945/tid=8948] ppid=8943 vsize=868148 CPUtime=0.13
/proc/8945/task/8948/stat : 8948 (java) R 8943 8945 5127 0 -1 64 12269 150 0 0 10 3 0 0 17 0 9 0 1997626778 888983552 24204 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 0 0 0 -1 1 0 0
[pid=8945/tid=8949] ppid=8943 vsize=868148 CPUtime=0
/proc/8945/task/8949/stat : 8949 (java) S 8943 8945 5127 0 -1 64 13 150 0 0 0 0 0 0 16 0 9 0 1997626778 888983552 24204 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=8945/tid=8950] ppid=8943 vsize=868148 CPUtime=0
/proc/8945/task/8950/stat : 8950 (java) S 8943 8945 5127 0 -1 64 8 150 0 0 0 0 0 0 16 0 9 0 1997626778 888983552 24204 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=8945/tid=8952] ppid=8943 vsize=868148 CPUtime=0.13
/proc/8945/task/8952/stat : 8952 (java) S 8943 8945 5127 0 -1 64 522 150 0 0 13 0 0 0 15 0 9 0 1997626780 888983552 24204 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=8945/tid=8953] ppid=8943 vsize=868148 CPUtime=0
/proc/8945/task/8953/stat : 8953 (java) S 8943 8945 5127 0 -1 64 2 150 0 0 0 0 0 0 25 0 9 0 1997626780 888983552 24204 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=8945/tid=8967] ppid=8943 vsize=868148 CPUtime=0
/proc/8945/task/8967/stat : 8967 (java) S 8943 8945 5127 0 -1 64 49 150 0 0 0 0 0 0 16 0 9 0 1997626876 888983552 24204 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 18446744071563356171 0 0 -1 1 0 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 868148
Child status: 143
Real time (s): 1.31798
CPU time (s): 1.37079
CPU user time (s): 1.17682
CPU system time (s): 0.19397
CPU usage (%): 104.007
Max. virtual memory (cumulated for all children) (KiB): 1735216
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.17682
system time used= 0.19397
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 33572
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 359
involuntary context switches= 289
runsolver used 0.009998 second user time and 0.010998 second system time
The end
Begin job on node33 at 2008-07-04 17:48:53
IDJOB=1076315
IDBENCH=56579
IDSOLVER=364
FILE ID=node33/1076315-1215186533
PBS_JOBID= 7881554
Free space on /tmp= 66480 MiB
SOLVER NAME= Abscon 112v4 ESAC
BENCH NAME= CPAI08/csp/ogdVg/normalized-crossword-m1c-ogd-vg9-12_ext.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution esac.xml 1 XSax BENCHNAME
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1076315-1215186533/watcher-1076315-1215186533 -o /tmp/evaluation-result-1076315-1215186533/solver-1076315-1215186533 -C 1800 -W 2200 -M 900 --output-limit 1,15 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution esac.xml 1 XSax HOME/instance-1076315-1215186533.xml
TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MD5SUM BENCH= 7b8f18265e9fe9d12868e89463d2e25f
RANDOM SEED=1769110982
node33.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 : 3000.231
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 : 3000.231
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: 1560088 kB
Buffers: 73388 kB
Cached: 341428 kB
SwapCached: 6444 kB
Active: 154592 kB
Inactive: 269804 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 2055920 kB
LowFree: 1560088 kB
SwapTotal: 4192956 kB
SwapFree: 4180424 kB
Dirty: 8104 kB
Writeback: 0 kB
Mapped: 15288 kB
Slab: 57048 kB
Committed_AS: 3509640 kB
PageTables: 1640 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= 66476 MiB
End job on node33 at 2008-07-04 17:48:56