0.59/2.58 c DEBUG: probabilities of action success (DCM model):
0.59/2.58 c pb/competition_2010/bsolo_pb10-l1 : 0.2446 0.3106 0.3432 0.4493 0.5331 0.5649 0.6331
0.59/2.58 c pb/competition_2010/bsolo_pb10-l2 : 0.2220 0.2840 0.3077 0.3819 0.4261 0.4617 0.5493
0.59/2.58 c pb/competition_2010/bsolo_pb10-l3 : 0.2079 0.2803 0.3237 0.4112 0.4599 0.4979 0.5927
0.59/2.58 c pb/competition_2010/wbo1.4a : 0.3403 0.4826 0.5859 0.7308 0.8018 0.8464 0.9114
0.59/2.58 c pb/competition_2010/wbo1.4b : 0.2130 0.3046 0.4491 0.6693 0.7698 0.8150 0.8796
0.59/2.58 c pb/other/clasp-1.3.3 : 0.4078 0.5945 0.6711 0.8373 0.8906 0.9054 0.9586
0.59/2.58 c pb/other/sat4j-pb-v20090829 : 0.2634 0.4175 0.5149 0.6419 0.7125 0.7655 0.8315
0.59/2.58 c pb/other/sat4j-pb-v20090829-cutting : 0.2190 0.3670 0.4173 0.5593 0.5959 0.6405 0.7110
0.61/2.60 c DETAIL: running [u'HOME/etc/solvers/other/clasp-1.3.3/clasp-1.3.3-x86-linux', u'--seed=529838202', u'HOME/instance-3728969-1338713283.opb'] for 0:00:10
0.65/2.88 s SATISFIABLE
0.65/2.88 v -x1 -x2 -x3 -x4 -x5 -x6 -x7 -x8 -x9 -x10 -x11 -x12 -x13 x14 -x15 x16 -x17 x18 -x19 x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27 -x28 -x29 -x30 -x31 x32 -x33 x34 -x35 x36 -x37 x38 -x39 -x40 x41 -x42 x43 -x44 x45 -x46 -x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x60 x61 -x62 x63 -x64 x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x80 x81 -x82 x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 -x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 -x109 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 x118 -x119 x120 -x121 -x122 -x123 -x124 -x125 -x126 -x127 -x128 -x129 -x130 -x131 -x132 -x133 -x134 -x135 x136 -x137 x138 -x139 x140 -x141 -x142 -x143 -x144 -x145 -x146 -x147 -x148 -x149 -x150 -x151 -x152 -x153 -x154 -x155 -x156 -x157 x158 -x159 x160 -x161 -x162 -x163 -x164 x165 -x166 x167 -x168 x169 -x170 -x171 -x172 -x173 -x174 -x175 -x176 -x177 -x178 -x179 -x180 -x181 -x182 x183 -x184 x185 -x186 x187 -x188 -x189 -x190 -x191 -x192 -x193 -x194 -x195 -x196 -x197 -x198 -x199 -x200 x201 -x202 x203 -x204 -x205 x206 -x207 x208 -x209 x210 x211 -x212 x213 -x214 x215 -x216 -x217 x218 -x219 x220 -x221 x222 -x223 x224 -x225 x226 -x227 x228 -x229 x230 x231 -x232 x233 -x234 x235 -x236 x237 -x238 x239 -x240 -x241 x242 -x243 x244 -x245 x246 -x247 x248 -x249 x250 -x251 x252 -x253 x254 -x255 x256 -x257 x258 -x259 -x260 -x261 -x262 -x263 -x264 -x265 x266 -x267 x268 -x269 x270 -x271 x272 x273 -x274 x275 -x276 x277 -x278 x279 -x280 -x281 x282 -x283 x284 -x285 x286 x287 -x288 x289 -x290 x291 -x292 x293 -x294 -x295 -x296 -x297 -x298 x299 -x300 x301 -x302 x303 -x304 x305 -x306 x307 -x308 x309 -x310 x311 -x312 x313 -x314 x315 -x316
runsolver Copyright (C) 2010-2011 Olivier ROUSSEL
This is runsolver version 3.3.1 (svn: 989)
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3728969-1338713283/watcher-3728969-1338713283 -o /tmp/evaluation-result-3728969-1338713283/solver-3728969-1338713283 -C 1800 -W 1900 -M 15500 solver HOME/instance-3728969-1338713283.opb 1512800918
running on 4 cores: 1,3,5,7
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): 1900 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB
[startup+0 s]
/proc/loadavg: 1.01 1.21 1.59 4/175 15344
/proc/meminfo: memFree=27132680/32873648 swapFree=7368/7368
[pid=15344] ppid=15340 vsize=11812 CPUtime=0 cores=1,3,5,7
/proc/15344/stat : 15344 (runsolver) D 15340 15344 15301 0 -1 4202560 40 0 0 0 0 0 0 0 20 0 1 0 337452546 12095488 51 33554432000 4194304 5436572 140735632376560 140735632372856 4883175 0 0 4096 24578 18446744072101258628 0 0 17 3 0 0 0 0 0
/proc/15344/statm: 2953 51 31 304 0 2645 0
[startup+0.0627479 s]
/proc/loadavg: 1.01 1.21 1.59 4/175 15344
/proc/meminfo: memFree=27132680/32873648 swapFree=7368/7368
[pid=15344] ppid=15340 vsize=15972 CPUtime=0 cores=1,3,5,7
/proc/15344/stat : 15344 (python) D 15340 15344 15301 0 -1 4202496 1062 0 0 0 0 0 0 0 20 0 1 0 337452546 16355328 791 33554432000 4194304 5683644 140734224587120 140734224541336 251053032336 0 0 16781312 2 18446744072100609316 0 0 17 7 0 0 2 0 0
/proc/15344/statm: 3993 791 356 364 0 435 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 15972
[startup+0.100173 s]
/proc/loadavg: 1.01 1.21 1.59 4/175 15344
/proc/meminfo: memFree=27132680/32873648 swapFree=7368/7368
[pid=15344] ppid=15340 vsize=16592 CPUtime=0 cores=1,3,5,7
/proc/15344/stat : 15344 (python) D 15340 15344 15301 0 -1 4202496 1364 0 0 0 0 0 0 0 20 0 1 0 337452546 16990208 1031 33554432000 4194304 5683644 140734224587120 140734224555384 251053032336 0 0 16781312 2 18446744072100609316 0 0 17 7 0 0 2 0 0
/proc/15344/statm: 4148 1031 422 364 0 590 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 16592
[startup+0.300207 s]
/proc/loadavg: 1.01 1.21 1.59 4/175 15344
/proc/meminfo: memFree=27132680/32873648 swapFree=7368/7368
[pid=15344] ppid=15340 vsize=31564 CPUtime=0.04 cores=1,3,5,7
/proc/15344/stat : 15344 (python) D 15340 15344 15301 0 -1 4202496 2796 0 5 0 1 3 0 0 20 0 1 0 337452546 32321536 1211 33554432000 4194304 4196484 140737131677040 140737131550680 251053032336 0 0 16781312 2 18446744071580397875 0 0 17 1 0 0 6 0 0
/proc/15344/statm: 7891 1211 467 1 0 718 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 31564
[startup+0.70019 s]
/proc/loadavg: 1.01 1.21 1.59 4/175 15344
/proc/meminfo: memFree=27132680/32873648 swapFree=7368/7368
[pid=15344] ppid=15340 vsize=65284 CPUtime=0.11 cores=1,3,5,7
/proc/15344/stat : 15344 (python) D 15340 15344 15301 0 -1 4202496 4370 0 16 0 5 6 0 0 20 0 1 0 337452546 66850816 2450 33554432000 4194304 4196484 140737131677040 140737131537768 251043872400 0 0 16781312 2 18446744071579943789 0 0 17 1 0 0 11 0 0
/proc/15344/statm: 16321 2450 621 1 0 1917 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 65284
[startup+1.5002 s]
/proc/loadavg: 1.01 1.21 1.59 4/177 15346
/proc/meminfo: memFree=27097580/32873648 swapFree=7368/7368
[pid=15344] ppid=15340 vsize=110540 CPUtime=0.4 cores=1,3,5,7
/proc/15344/stat : 15344 (python) D 15340 15344 15301 0 -1 4202496 8320 1006 25 7 21 19 0 0 20 0 1 0 337452546 113192960 4933 33554432000 4194304 4196484 140737131677040 140737131590680 251053032336 0 0 16781312 2 18446744071580397875 0 0 17 1 0 0 20 0 0
/proc/15344/statm: 27635 4933 1071 1 0 3874 0
Current children cumulated CPU time (s) 0.4
Current children cumulated vsize (KiB) 110540
Solver just ended. Dumping a history of the last processes samples
[startup+2.30023 s]
/proc/loadavg: 1.01 1.21 1.59 2/177 15354
/proc/meminfo: memFree=27071656/32873648 swapFree=7368/7368
[pid=15344] ppid=15340 vsize=118116 CPUtime=0.53 cores=1,3,5,7
/proc/15344/stat : 15344 (python) D 15340 15344 15301 0 -1 4202496 9564 1006 26 7 27 26 0 0 20 0 1 0 337452546 120950784 5830 33554432000 4194304 4196484 140737131677040 140737131610648 251053032336 0 0 16781312 2 18446744072100609316 0 0 17 1 0 0 23 0 0
/proc/15344/statm: 29529 5830 1083 1 0 4728 0
Current children cumulated CPU time (s) 0.53
Current children cumulated vsize (KiB) 118116
[startup+2.70024 s]
/proc/loadavg: 1.01 1.21 1.59 2/177 15354
/proc/meminfo: memFree=27071656/32873648 swapFree=7368/7368
[pid=15344] ppid=15340 vsize=134480 CPUtime=0.64 cores=1,3,5,7
/proc/15344/stat : 15344 (python) S 15340 15344 15301 0 -1 4202496 11178 1006 27 7 35 29 0 0 20 0 1 0 337452546 137707520 6346 33554432000 4194304 4196484 140737131677040 140737131668800 251053048232 0 0 16781312 2 18446744071580425449 0 0 17 1 0 0 26 0 0
/proc/15344/statm: 33620 6346 1170 1 0 5192 0
Current children cumulated CPU time (s) 0.64
Current children cumulated vsize (KiB) 134480
[startup+2.90024 s]
/proc/loadavg: 1.01 1.21 1.59 2/177 15354
/proc/meminfo: memFree=27071656/32873648 swapFree=7368/7368
[pid=15344] ppid=15340 vsize=136536 CPUtime=0.91 cores=1,3,5,7
/proc/15344/stat : 15344 (python) R 15340 15344 15301 0 -1 4202496 15717 2531 27 8 43 30 17 1 20 0 1 0 337452546 139812864 6361 33554432000 4194304 4196484 140737131677040 140737131669576 140580877035969 0 0 16781312 0 0 0 0 17 1 0 0 26 0 0
/proc/15344/statm: 34134 6361 1173 1 0 5191 0
Current children cumulated CPU time (s) 0.91
Current children cumulated vsize (KiB) 136536
Child status: 10
Real time (s): 2.90663
CPU time (s): 0.939856
CPU user time (s): 0.619905
CPU system time (s): 0.319951
CPU usage (%): 32.3349
Max. virtual memory (cumulated for all children) (KiB): 136536
getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.619905
system time used= 0.319951
maximum resident set size= 25468
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 18676
page faults= 35
swaps= 0
block input operations= 7248
block output operations= 32
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 6408
involuntary context switches= 35
runsolver used 0.009998 second user time and 0.008998 second system time
The end
Begin job on node149 at 2012-06-03 10:48:03
IDJOB=3728969
IDBENCH=1157
IDSOLVER=2323
FILE ID=node149/3728969-1338713283
RUNJOBID= node149-1338713283-15318
PBS_JOBID= 14636730
Free space on /tmp= 71056 MiB
SOLVER NAME= PB10: borg-pb 10.05.30
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/prestwich/armies/normalized-army10.14bt.opb
COMMAND LINE= solver BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3728969-1338713283/watcher-3728969-1338713283 -o /tmp/evaluation-result-3728969-1338713283/solver-3728969-1338713283 -C 1800 -W 1900 -M 15500 solver HOME/instance-3728969-1338713283.opb 1512800918
TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4
MD5SUM BENCH= 35996461279b46395c12d24fd378138e
RANDOM SEED=1512800918
node149.alineos.net Linux 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011
/proc/cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.145
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 4
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips : 5332.29
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.145
cache size : 8192 KB
physical id : 1
siblings : 4
core id : 0
cpu cores : 4
apicid : 16
initial apicid : 16
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips : 5331.91
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 2
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.145
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 1
cpu cores : 4
apicid : 2
initial apicid : 2
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips : 5438.55
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.145
cache size : 8192 KB
physical id : 1
siblings : 4
core id : 1
cpu cores : 4
apicid : 18
initial apicid : 18
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips : 5331.91
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 4
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.145
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 2
cpu cores : 4
apicid : 4
initial apicid : 4
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips : 5331.91
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 5
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.145
cache size : 8192 KB
physical id : 1
siblings : 4
core id : 2
cpu cores : 4
apicid : 20
initial apicid : 20
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips : 5438.55
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 6
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.145
cache size : 8192 KB
physical id : 0
siblings : 4
core id : 3
cpu cores : 4
apicid : 6
initial apicid : 6
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips : 5331.91
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 7
vendor_id : GenuineIntel
cpu family : 6
model : 26
model name : Intel(R) Xeon(R) CPU X5550 @ 2.67GHz
stepping : 5
cpu MHz : 2666.145
cache size : 8192 KB
physical id : 1
siblings : 4
core id : 3
cpu cores : 4
apicid : 22
initial apicid : 22
fpu : yes
fpu_exception : yes
cpuid level : 11
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips : 5331.91
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
/proc/meminfo:
MemTotal: 32873648 kB
MemFree: 27133852 kB
Buffers: 723672 kB
Cached: 4100108 kB
SwapCached: 2468 kB
Active: 1971564 kB
Inactive: 2871516 kB
Active(anon): 2524 kB
Inactive(anon): 9368 kB
Active(file): 1969040 kB
Inactive(file): 2862148 kB
Unevictable: 7368 kB
Mlocked: 7368 kB
SwapTotal: 67108856 kB
SwapFree: 67104892 kB
Dirty: 41772 kB
Writeback: 0 kB
AnonPages: 14928 kB
Mapped: 13664 kB
Shmem: 96 kB
Slab: 756344 kB
SReclaimable: 199980 kB
SUnreclaim: 556364 kB
KernelStack: 1408 kB
PageTables: 3944 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 83545680 kB
Committed_AS: 103284 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 346400 kB
VmallocChunk: 34341988052 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 7680 kB
DirectMap2M: 33538048 kB
Free space on /tmp at the end= 71012 MiB
End job on node149 at 2012-06-03 10:48:08