513.17/513.35 c clasp version 1.2.0-SAT09
513.17/513.35 c Reading from ...776475/instance-1831771-1242776475.cnf
513.17/513.35 c Reading : Done(0.100s)
513.17/513.35 c Preprocessing: |-\|Done(0.480s)
513.17/513.35 c Solving...
513.17/513.35
513.17/513.35 c Models : 0
513.17/513.35 c Time : 513.240s (Solve: 512.660s)
513.17/513.35 s UNSATISFIABLE
runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr
command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1831771-1242776475/watcher-1831771-1242776475 -o /tmp/evaluation-result-1831771-1242776475/solver-1831771-1242776475 -C 10000 -W 12000 -M 1800 HOME/clasp --file=HOME/instance-1831771-1242776475.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512
Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 12000 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: 0.98 0.96 0.98 3/64 25135
/proc/meminfo: memFree=1762888/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=4204 CPUtime=0
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 560 0 0 0 0 0 0 0 18 0 1 0 305675022 4304896 447 1992294400 134512640 136057169 4294956160 18446744073709551615 134834619 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 1051 451 140 377 0 671 0
[startup+0.045582 s]
/proc/loadavg: 0.98 0.96 0.98 3/64 25135
/proc/meminfo: memFree=1762888/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=6508 CPUtime=0.03
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 1462 0 0 0 3 0 0 0 18 0 1 0 305675022 6664192 1349 1992294400 134512640 136057169 4294956160 18446744073709551615 134767168 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 1627 1350 147 377 0 1247 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 6508
[startup+0.102587 s]
/proc/loadavg: 0.98 0.96 0.98 3/64 25135
/proc/meminfo: memFree=1762888/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=9584 CPUtime=0.09
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 2471 0 0 0 8 1 0 0 18 0 1 0 305675022 9814016 2070 1992294400 134512640 136057169 4294956160 18446744073709551615 135502702 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 2396 2071 147 377 0 2016 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9584
[startup+0.301603 s]
/proc/loadavg: 0.98 0.96 0.98 3/64 25135
/proc/meminfo: memFree=1762888/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=14732 CPUtime=0.29
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 4088 0 0 0 27 2 0 0 19 0 1 0 305675022 15085568 3305 1992294400 134512640 136057169 4294956160 18446744073709551615 134765825 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 3683 3305 171 377 0 3303 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 14732
[startup+0.702641 s]
/proc/loadavg: 0.98 0.96 0.98 3/64 25135
/proc/meminfo: memFree=1762888/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=13684 CPUtime=0.69
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 4475 0 0 0 67 2 0 0 22 0 1 0 305675022 14012416 3162 1992294400 134512640 136057169 4294956160 18446744073709551615 134756822 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 3421 3162 179 377 0 3041 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13684
[startup+1.50171 s]
/proc/loadavg: 0.98 0.96 0.98 2/65 25136
/proc/meminfo: memFree=1750656/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=13684 CPUtime=1.49
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 4479 0 0 0 147 2 0 0 25 0 1 0 305675022 14012416 3166 1992294400 134512640 136057169 4294956160 18446744073709551615 134823898 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 3421 3166 183 377 0 3041 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13684
[startup+3.10186 s]
/proc/loadavg: 0.98 0.96 0.98 2/65 25136
/proc/meminfo: memFree=1750592/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=13684 CPUtime=3.09
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 4494 0 0 0 307 2 0 0 25 0 1 0 305675022 14012416 3181 1992294400 134512640 136057169 4294956160 18446744073709551615 134824390 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 3421 3181 183 377 0 3041 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13684
[startup+6.30114 s]
/proc/loadavg: 0.98 0.96 0.98 2/65 25136
/proc/meminfo: memFree=1749376/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=14936 CPUtime=6.29
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 4791 0 0 0 627 2 0 0 25 0 1 0 305675022 15294464 3478 1992294400 134512640 136057169 4294956160 18446744073709551615 134823844 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 3734 3478 183 377 0 3354 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 14936
[startup+12.7017 s]
/proc/loadavg: 0.98 0.96 0.98 2/65 25136
/proc/meminfo: memFree=1748304/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=16348 CPUtime=12.69
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 5156 0 0 0 1266 3 0 0 25 0 1 0 305675022 16740352 3843 1992294400 134512640 136057169 4294956160 18446744073709551615 134824827 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 4087 3843 183 377 0 3707 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 16348
[startup+25.5019 s]
/proc/loadavg: 0.98 0.97 0.98 2/65 25136
/proc/meminfo: memFree=1743440/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=20900 CPUtime=25.48
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 6267 0 0 0 2545 3 0 0 25 0 1 0 305675022 21401600 4954 1992294400 134512640 136057169 4294956160 18446744073709551615 134823686 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 5225 4954 183 377 0 4845 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 20900
[startup+51.1012 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25136
/proc/meminfo: memFree=1742416/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=22024 CPUtime=51.08
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 6566 0 0 0 5104 4 0 0 25 0 1 0 305675022 22552576 5253 1992294400 134512640 136057169 4294956160 18446744073709551615 134615628 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 5506 5253 183 377 0 5126 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 22024
[startup+102.306 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1738896/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=25592 CPUtime=102.27
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 7423 0 0 0 10223 4 0 0 25 0 1 0 305675022 26206208 6110 1992294400 134512640 136057169 4294956160 18446744073709551615 134823371 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 6398 6110 183 377 0 6018 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 25592
[startup+162.301 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1736016/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=28592 CPUtime=162.25
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 8133 0 0 0 16220 5 0 0 25 0 1 0 305675022 29278208 6820 1992294400 134512640 136057169 4294956160 18446744073709551615 134823889 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 7148 6820 183 377 0 6768 0
Current children cumulated CPU time (s) 162.25
Current children cumulated vsize (KiB) 28592
[startup+222.302 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1734800/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=29872 CPUtime=222.23
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 8425 0 0 0 22218 5 0 0 25 0 1 0 305675022 30588928 7112 1992294400 134512640 136057169 4294956160 18446744073709551615 134618232 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 7468 7112 183 377 0 7088 0
Current children cumulated CPU time (s) 222.23
Current children cumulated vsize (KiB) 29872
[startup+282.302 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1732944/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=31836 CPUtime=282.22
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 8895 0 0 0 28217 5 0 0 25 0 1 0 305675022 32600064 7582 1992294400 134512640 136057169 4294956160 18446744073709551615 134823366 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 7959 7582 183 377 0 7579 0
Current children cumulated CPU time (s) 282.22
Current children cumulated vsize (KiB) 31836
[startup+342.301 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1730064/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=34616 CPUtime=342.2
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 9604 0 0 0 34214 6 0 0 25 0 1 0 305675022 35446784 8291 1992294400 134512640 136057169 4294956160 18446744073709551615 134823794 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 8654 8291 183 377 0 8274 0
Current children cumulated CPU time (s) 342.2
Current children cumulated vsize (KiB) 34616
[startup+402.302 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1729680/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=35076 CPUtime=402.19
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 9685 0 0 0 40213 6 0 0 25 0 1 0 305675022 35917824 8372 1992294400 134512640 136057169 4294956160 18446744073709551615 134823876 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 8769 8372 183 377 0 8389 0
Current children cumulated CPU time (s) 402.19
Current children cumulated vsize (KiB) 35076
[startup+462.301 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1729488/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=35076 CPUtime=462.18
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 9716 0 0 0 46211 7 0 0 25 0 1 0 305675022 35917824 8403 1992294400 134512640 136057169 4294956160 18446744073709551615 134823850 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 8769 8403 183 377 0 8389 0
Current children cumulated CPU time (s) 462.18
Current children cumulated vsize (KiB) 35076
Solver just ended. Dumping a history of the last processes samples
[startup+486.301 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1729360/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=35312 CPUtime=486.18
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 9746 0 0 0 48611 7 0 0 25 0 1 0 305675022 36159488 8433 1992294400 134512640 136057169 4294956160 18446744073709551615 134651876 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 8828 8433 183 377 0 8448 0
Current children cumulated CPU time (s) 486.18
Current children cumulated vsize (KiB) 35312
[startup+499.102 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1729360/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=35312 CPUtime=498.97
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 9746 0 0 0 49890 7 0 0 25 0 1 0 305675022 36159488 8433 1992294400 134512640 136057169 4294956160 18446744073709551615 134823938 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 8828 8433 183 377 0 8448 0
Current children cumulated CPU time (s) 498.97
Current children cumulated vsize (KiB) 35312
[startup+505.502 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1729360/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=35312 CPUtime=505.37
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 9746 0 0 0 50530 7 0 0 25 0 1 0 305675022 36159488 8433 1992294400 134512640 136057169 4294956160 18446744073709551615 134618141 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 8828 8433 183 377 0 8448 0
Current children cumulated CPU time (s) 505.37
Current children cumulated vsize (KiB) 35312
[startup+508.701 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1729360/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=35312 CPUtime=508.57
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 9746 0 0 0 50850 7 0 0 25 0 1 0 305675022 36159488 8433 1992294400 134512640 136057169 4294956160 18446744073709551615 134824014 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 8828 8433 183 377 0 8448 0
Current children cumulated CPU time (s) 508.57
Current children cumulated vsize (KiB) 35312
[startup+511.902 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1729360/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=35312 CPUtime=511.77
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 9746 0 0 0 51170 7 0 0 25 0 1 0 305675022 36159488 8433 1992294400 134512640 136057169 4294956160 18446744073709551615 134823860 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 8828 8433 183 377 0 8448 0
Current children cumulated CPU time (s) 511.77
Current children cumulated vsize (KiB) 35312
[startup+512.702 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1729360/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=35312 CPUtime=512.57
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 9746 0 0 0 51250 7 0 0 25 0 1 0 305675022 36159488 8433 1992294400 134512640 136057169 4294956160 18446744073709551615 134824402 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 8828 8433 183 377 0 8448 0
Current children cumulated CPU time (s) 512.57
Current children cumulated vsize (KiB) 35312
[startup+513.102 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1729360/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=35312 CPUtime=512.97
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 9746 0 0 0 51290 7 0 0 25 0 1 0 305675022 36159488 8433 1992294400 134512640 136057169 4294956160 18446744073709551615 134618238 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 8828 8433 183 377 0 8448 0
Current children cumulated CPU time (s) 512.97
Current children cumulated vsize (KiB) 35312
[startup+513.302 s]
/proc/loadavg: 0.99 0.97 0.98 2/65 25138
/proc/meminfo: memFree=1729360/2055920 swapFree=4180304/4192956
[pid=25135] ppid=25133 vsize=35312 CPUtime=513.17
/proc/25135/stat : 25135 (clasp) R 25133 25135 24639 0 -1 4194304 9750 0 0 0 51310 7 0 0 25 0 1 0 305675022 36159488 8437 1992294400 134512640 136057169 4294956160 18446744073709551615 135438349 0 0 4096 16386 0 0 0 17 1 0 0
/proc/25135/statm: 8828 8437 187 377 0 8448 0
Current children cumulated CPU time (s) 513.17
Current children cumulated vsize (KiB) 35312
Child status: 20
Real time (s): 513.353
CPU time (s): 513.228
CPU user time (s): 513.15
CPU system time (s): 0.077988
CPU usage (%): 99.9757
Max. virtual memory (cumulated for all children) (KiB): 35312
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 513.15
system time used= 0.077988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9750
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= 2
involuntary context switches= 1155
runsolver used 0.368943 second user time and 1.06184 second system time
The end
Begin job on node51 at 2009-05-20 01:41:15
IDJOB=1831771
IDBENCH=70940
IDSOLVER=637
FILE ID=node51/1831771-1242776475
PBS_JOBID= 9322335
Free space on /tmp= 66200 MiB
SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT09/APPLICATIONS/bioinfo/q_query_3_l44_lambda.cnf
COMMAND LINE= HOME/clasp --file=BENCHNAME --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1831771-1242776475/watcher-1831771-1242776475 -o /tmp/evaluation-result-1831771-1242776475/solver-1831771-1242776475 -C 10000 -W 12000 -M 1800 HOME/clasp --file=HOME/instance-1831771-1242776475.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512
TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0
MD5SUM BENCH= a7bc41b32260e4459b2bee7c18cacba1
RANDOM SEED=118933183
node51.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 : 3000.214
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 : 3000.214
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: 1763368 kB
Buffers: 20364 kB
Cached: 233632 kB
SwapCached: 6784 kB
Active: 83288 kB
Inactive: 179440 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 2055920 kB
LowFree: 1763368 kB
SwapTotal: 4192956 kB
SwapFree: 4180304 kB
Dirty: 4724 kB
Writeback: 0 kB
Mapped: 13984 kB
Slab: 15828 kB
Committed_AS: 888860 kB
PageTables: 1404 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= 66200 MiB
End job on node51 at 2009-05-20 01:49:48