Trace number 3689008

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerobjective functionCPU timeWall clock time
SAT 4j PB RES // CP 2.3.2 SnapshotOPT126 0.532918 1.27385

General information on the benchmark

Name/OPT-SMALLINT-LIN/leberre/opb-paranoid/misc2010/
datasets/caixa/normalized-1094.cudf.paranoid.opb
MD5SUMdf01e3a04dd15d00e30df0eb146eefce
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark126
Best CPU time to get the best result obtained on this benchmark0.003998
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables331
Total number of constraints2032
Number of constraints which are clauses2032
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint3
Number of terms in the objective function 156
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 156
Number of bits of the sum of numbers in the objective function 8
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 156
Number of bits of the biggest sum of numbers8
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data

0.01/0.07	c SAT4J: a SATisfiability library for Java (c) 2004-2012 Artois University and CNRS
0.01/0.07	c This is free software under the dual EPL/GNU LGPL licenses.
0.01/0.07	c See www.sat4j.org for details.
0.01/0.07	c version 2.3.2.v20120418
0.01/0.07	c java.runtime.name	Java(TM) SE Runtime Environment
0.01/0.07	c java.vm.name		Java HotSpot(TM) 64-Bit Server VM
0.01/0.07	c java.vm.version	19.1-b02
0.01/0.07	c java.vm.vendor	Sun Microsystems Inc.
0.01/0.07	c sun.arch.data.model	64
0.01/0.07	c java.version		1.6.0_24
0.01/0.07	c os.name		Linux
0.01/0.07	c os.version		2.6.32-71.29.1.el6.x86_64
0.01/0.07	c os.arch		amd64
0.01/0.07	c Free memory 		501472288
0.01/0.07	c Max memory 		7480803328
0.01/0.07	c Total memory 		504102912
0.01/0.07	c Number of processors 	8
0.11/0.10	c Pseudo Boolean Optimization by upper bound
0.11/0.10	c ManyCore solver with 2 solvers running in parallel
0.11/0.10	c --- Begin Solver configuration ---
0.11/0.10	c org.sat4j.pb.constraints.CompetResolutionPBLongMixedWLClauseCardConstrDataStructure@63415de6
0.11/0.10	c Learn all clauses as in MiniSAT
0.11/0.10	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.11/0.10	c VSIDS like heuristics from MiniSAT using a heap lightweight component caching from RSAT taking into account the objective function
0.11/0.10	c Expensive reason simplification
0.11/0.10	c Armin Biere (Picosat) restarts strategy
0.11/0.10	c Glucose learned constraints deletion strategy
0.11/0.10	c timeout=2147483s
0.11/0.10	c DB Simplification allowed=false
0.11/0.10	c c --- End Solver configuration ---
0.11/0.10	c Cutting planes based inference (org.sat4j.pb.core.PBSolverCP)
0.11/0.10	c --- Begin Solver configuration ---
0.11/0.10	c org.sat4j.pb.constraints.PBMaxClauseCardConstrDataStructure@23174b07
0.11/0.10	c Learn all clauses as in MiniSAT
0.11/0.10	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.11/0.10	c VSIDS like heuristics from MiniSAT using a heap phase appearing in latest learned clause taking into account the objective function
0.11/0.10	c No reason simplification
0.11/0.10	c Armin Biere (Picosat) restarts strategy
0.11/0.10	c Glucose learned constraints deletion strategy
0.11/0.10	c timeout=2147483s
0.11/0.10	c DB Simplification allowed=false
0.11/0.10	c c --- End Solver configuration ---
0.11/0.10	c solving HOME/instance-3689008-1337880536.opb
0.11/0.10	c reading problem ... 
0.25/0.26	c ... done. Wall clock time 0.159s.
0.25/0.26	c declared #vars     331
0.25/0.26	c #constraints  2018
0.25/0.26	c constraints type 
0.25/0.26	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 223
0.25/0.26	c ignored satisfied constraints => 14
0.25/0.26	c org.sat4j.minisat.constraints.cnf.UnitClause => 2
0.25/0.26	c org.sat4j.minisat.constraints.cnf.OriginalBinaryClause => 1793
0.25/0.26	c 2032 constraints processed.
0.25/0.26	c constraints type 
0.25/0.26	c org.sat4j.pb.constraints.pb.OriginalBinaryClausePB => 1793
0.25/0.26	c org.sat4j.pb.constraints.pb.OriginalHTClausePB => 223
0.25/0.26	c ignored satisfied constraints => 14
0.25/0.26	c org.sat4j.pb.constraints.pb.UnitClausePB => 2
0.25/0.26	c 2032 constraints processed.
0.25/0.26	c objective function length is 156 literals
0.25/0.28	c  And the winner is solver0
0.49/0.76	c SATISFIABLE
0.49/0.76	c OPTIMIZING...
0.49/0.76	c Got one! Elapsed wall clock time (in seconds):0.661
0.49/0.76	o 126
0.49/0.77	c  And the winner is solver0
0.50/1.27	c starts		: 2
0.50/1.27	c conflicts		: 25
0.50/1.27	c decisions		: 518
0.50/1.27	c propagations		: 2041
0.50/1.27	c inspects		: 9238
0.50/1.27	c shortcuts		: 0
0.50/1.27	c learnt literals	: 18
0.50/1.27	c learnt binary clauses	: 5
0.50/1.27	c learnt ternary clauses	: 1
0.50/1.27	c learnt constraints	: 6
0.50/1.27	c ignored constraints	: 0
0.50/1.27	c root simplifications	: 0
0.50/1.27	c removed literals (reason simplification)	: 0
0.50/1.27	c reason swapping (by a shorter reason)	: 0
0.50/1.27	c Calls to reduceDB	: 0
0.50/1.27	c number of reductions to clauses (during analyze)	: 0
0.50/1.27	c number of learned constraints concerned by reduction	: 0
0.50/1.27	c number of learning phase by resolution	: 0
0.50/1.27	c number of learning phase by cutting planes	: 0
0.50/1.27	c speed (assignments/second)	: 2043.043043043043
0.50/1.27	c non guided choices	2
0.50/1.27	c learnt constraints type 
0.50/1.27	c constraints type 
0.50/1.27	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 223
0.50/1.27	c org.sat4j.minisat.constraints.card.MinWatchCard => 0
0.50/1.27	c ignored satisfied constraints => 14
0.50/1.27	c org.sat4j.minisat.constraints.cnf.UnitClause => 2
0.50/1.27	c org.sat4j.minisat.constraints.cnf.OriginalBinaryClause => 1793
0.50/1.27	c 2032 constraints processed.
0.50/1.27	c constraints type 
0.50/1.27	c org.sat4j.pb.constraints.pb.OriginalBinaryClausePB => 1793
0.50/1.27	c org.sat4j.pb.constraints.pb.OriginalHTClausePB => 223
0.50/1.27	c org.sat4j.pb.constraints.pb.MinWatchCardPB => 0
0.50/1.27	c ignored satisfied constraints => 14
0.50/1.27	c org.sat4j.pb.constraints.pb.UnitClausePB => 2
0.50/1.27	c 2032 constraints processed.
0.50/1.27	s OPTIMUM FOUND
0.50/1.27	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 x317 x318 x319 x320 x321 x322 x323 x324 x325 x326 x327 x328 x329 x330 x331 
0.50/1.27	c objective function=126
0.50/1.27	c Total wall clock time (in seconds): 1.166

Verifier Data

OK	126

Watcher Data

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-3689008-1337880536/watcher-3689008-1337880536 -o /tmp/evaluation-result-3689008-1337880536/solver-3689008-1337880536 -C 1800 -W 1900 -M 15500 java -jar HOME/sat4j-pb.jar Both HOME/instance-3689008-1337880536.opb 

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: 3.77 3.94 3.92 4/197 25684
/proc/meminfo: memFree=27382028/32873648 swapFree=6864/6864
[pid=25684] ppid=25682 vsize=23236 CPUtime=0 cores=1,3,5,7
/proc/25684/stat : 25684 (java) R 25682 25684 22184 0 -1 4202496 987 0 0 0 0 0 0 0 20 0 1 0 254179591 23793664 715 33554432000 1073741824 1073778376 140735382189168 140735382178232 226075129192 0 0 4096 0 0 0 0 17 1 0 0 0 0 0
/proc/25684/statm: 5809 715 529 9 0 128 0

[startup+0.026918 s]
/proc/loadavg: 3.77 3.94 3.92 4/197 25684
/proc/meminfo: memFree=27382028/32873648 swapFree=6864/6864
[pid=25684] ppid=25682 vsize=9225560 CPUtime=0.01 cores=1,3,5,7
/proc/25684/stat : 25684 (java) S 25682 25684 22184 0 -1 4202496 2963 0 1 0 1 0 0 0 20 0 13 0 254179591 9446973440 3664 33554432000 1073741824 1073778376 140735382189168 140735382180304 226087698493 0 0 0 16784584 18446744073709551615 0 0 17 1 0 0 0 0 0
/proc/25684/statm: 2306390 3664 1661 9 0 2297091 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 9225560

[startup+0.1002 s]
/proc/loadavg: 3.77 3.94 3.92 4/197 25684
/proc/meminfo: memFree=27382028/32873648 swapFree=6864/6864
[pid=25684] ppid=25682 vsize=9558412 CPUtime=0.11 cores=1,3,5,7
/proc/25684/stat : 25684 (java) S 25682 25684 22184 0 -1 4202496 4473 0 1 0 10 1 0 0 20 0 18 0 254179591 9787813888 6143 33554432000 1073741824 1073778376 140735382189168 140735382180304 226087698493 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0 0 0
/proc/25684/statm: 2389603 6143 2142 9 0 2380296 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 9558412

[startup+0.300175 s]
/proc/loadavg: 3.77 3.94 3.92 4/197 25684
/proc/meminfo: memFree=27382028/32873648 swapFree=6864/6864
[pid=25684] ppid=25682 vsize=9824668 CPUtime=0.49 cores=1,3,5,7
/proc/25684/stat : 25684 (java) S 25682 25684 22184 0 -1 4202496 5565 0 1 0 46 3 0 0 20 0 19 0 254179591 10060460032 8848 33554432000 1073741824 1073778376 140735382189168 140735382180304 226087698493 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0 0 0
/proc/25684/statm: 2456167 8848 2231 9 0 2446860 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 9824668

[startup+0.700125 s]
/proc/loadavg: 3.77 3.94 3.92 4/197 25684
/proc/meminfo: memFree=27382028/32873648 swapFree=6864/6864
[pid=25684] ppid=25682 vsize=9824668 CPUtime=0.49 cores=1,3,5,7
/proc/25684/stat : 25684 (java) S 25682 25684 22184 0 -1 4202496 5565 0 1 0 46 3 0 0 20 0 19 0 254179591 10060460032 8848 33554432000 1073741824 1073778376 140735382189168 140735382180304 226087698493 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0 0 0
/proc/25684/statm: 2456167 8848 2231 9 0 2446860 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 9824668

Solver just ended. Dumping a history of the last processes samples

[startup+1.10695 s]
/proc/loadavg: 3.77 3.94 3.92 3/216 25709
/proc/meminfo: memFree=27350956/32873648 swapFree=6864/6864
[pid=25684] ppid=25682 vsize=9824668 CPUtime=0.5 cores=1,3,5,7
/proc/25684/stat : 25684 (java) S 25682 25684 22184 0 -1 4202496 5579 0 1 0 47 3 0 0 20 0 19 0 254179591 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 140735382180304 226087698493 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0 0 0
/proc/25684/statm: 2456167 9875 2233 9 0 2446860 0
[pid=25684/tid=25686] ppid=25682 vsize=9824668 CPUtime=0.24 cores=1,3,5,7
/proc/25684/task/25686/stat : 25686 (java) S 25682 25684 22184 0 -1 4202560 2456 0 1 0 23 1 0 0 20 0 19 0 254179591 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740269319160 226087712681 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=25684/tid=25687] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25687/stat : 25687 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740258380328 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25688] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25688/stat : 25688 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740257327528 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=25684/tid=25689] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25689/stat : 25689 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740256274728 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 7 0 0 0 0 0
[pid=25684/tid=25690] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25690/stat : 25690 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740255221928 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=25684/tid=25691] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25691/stat : 25691 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740254170152 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25692] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25692/stat : 25692 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740253117352 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 7 0 0 0 0 0
[pid=25684/tid=25693] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25693/stat : 25693 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740252064552 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=25684/tid=25694] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25694/stat : 25694 (java) S 25682 25684 22184 0 -1 4202560 3 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740105620136 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25695] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25695/stat : 25695 (java) S 25682 25684 22184 0 -1 4202560 4 0 0 0 0 0 0 0 20 0 19 0 254179593 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740093422056 226087712681 0 0 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=25684/tid=25696] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25696/stat : 25696 (java) S 25682 25684 22184 0 -1 4202560 16 0 0 0 0 0 0 0 20 0 19 0 254179593 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740092368120 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25697] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25697/stat : 25697 (java) S 25682 25684 22184 0 -1 4202560 7 0 0 0 0 0 0 0 20 0 19 0 254179593 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740091315208 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25698] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25698/stat : 25698 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179595 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740090263696 226087720736 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25699] ppid=25682 vsize=9824668 CPUtime=0.09 cores=1,3,5,7
/proc/25684/task/25699/stat : 25699 (java) S 25682 25684 22184 0 -1 4202560 775 0 0 0 9 0 0 0 20 0 19 0 254179595 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740089211832 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25700] ppid=25682 vsize=9824668 CPUtime=0.1 cores=1,3,5,7
/proc/25684/task/25700/stat : 25700 (java) S 25682 25684 22184 0 -1 4202560 1040 0 0 0 10 0 0 0 20 0 19 0 254179595 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740088159032 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 7 0 0 0 0 0
[pid=25684/tid=25701] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25701/stat : 25701 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179595 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740087106424 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 7 0 0 0 0 0
[pid=25684/tid=25702] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25702/stat : 25702 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179595 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740086053832 226087712681 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=25684/tid=25705] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25705/stat : 25705 (java) S 25682 25684 22184 0 -1 4202560 7 0 0 0 0 0 0 0 20 0 19 0 254179618 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740082893736 226087712681 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 9824668

[startup+1.20058 s]
/proc/loadavg: 3.77 3.94 3.92 3/216 25709
/proc/meminfo: memFree=27350956/32873648 swapFree=6864/6864
[pid=25684] ppid=25682 vsize=9824668 CPUtime=0.5 cores=1,3,5,7
/proc/25684/stat : 25684 (java) S 25682 25684 22184 0 -1 4202496 5579 0 1 0 47 3 0 0 20 0 19 0 254179591 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 140735382180304 226087698493 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0 0 0
/proc/25684/statm: 2456167 9875 2233 9 0 2446860 0
[pid=25684/tid=25686] ppid=25682 vsize=9824668 CPUtime=0.24 cores=1,3,5,7
/proc/25684/task/25686/stat : 25686 (java) S 25682 25684 22184 0 -1 4202560 2456 0 1 0 23 1 0 0 20 0 19 0 254179591 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740269319160 226087712681 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=25684/tid=25687] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25687/stat : 25687 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740258380328 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25688] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25688/stat : 25688 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740257327528 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=25684/tid=25689] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25689/stat : 25689 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740256274728 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 7 0 0 0 0 0
[pid=25684/tid=25690] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25690/stat : 25690 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740255221928 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=25684/tid=25691] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25691/stat : 25691 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740254170152 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25692] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25692/stat : 25692 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740253117352 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 7 0 0 0 0 0
[pid=25684/tid=25693] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25693/stat : 25693 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740252064552 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 3 0 0 0 0 0
[pid=25684/tid=25694] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25694/stat : 25694 (java) S 25682 25684 22184 0 -1 4202560 3 0 0 0 0 0 0 0 20 0 19 0 254179592 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740105620136 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25695] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25695/stat : 25695 (java) S 25682 25684 22184 0 -1 4202560 4 0 0 0 0 0 0 0 20 0 19 0 254179593 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740093422056 226087712681 0 0 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=25684/tid=25696] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25696/stat : 25696 (java) S 25682 25684 22184 0 -1 4202560 16 0 0 0 0 0 0 0 20 0 19 0 254179593 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740092368120 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25697] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25697/stat : 25697 (java) S 25682 25684 22184 0 -1 4202560 7 0 0 0 0 0 0 0 20 0 19 0 254179593 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740091315208 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25698] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25698/stat : 25698 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179595 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740090263696 226087720736 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25699] ppid=25682 vsize=9824668 CPUtime=0.09 cores=1,3,5,7
/proc/25684/task/25699/stat : 25699 (java) S 25682 25684 22184 0 -1 4202560 775 0 0 0 9 0 0 0 20 0 19 0 254179595 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740089211832 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
[pid=25684/tid=25700] ppid=25682 vsize=9824668 CPUtime=0.1 cores=1,3,5,7
/proc/25684/task/25700/stat : 25700 (java) S 25682 25684 22184 0 -1 4202560 1040 0 0 0 10 0 0 0 20 0 19 0 254179595 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740088159032 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 7 0 0 0 0 0
[pid=25684/tid=25701] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25701/stat : 25701 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179595 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740087106424 226087711804 0 4 0 16800975 18446744071579510697 0 0 -1 7 0 0 0 0 0
[pid=25684/tid=25702] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25702/stat : 25702 (java) S 25682 25684 22184 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 19 0 254179595 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740086053832 226087712681 0 4 0 16800975 18446744071579510697 0 0 -1 1 0 0 0 0 0
[pid=25684/tid=25705] ppid=25682 vsize=9824668 CPUtime=0 cores=1,3,5,7
/proc/25684/task/25705/stat : 25705 (java) S 25682 25684 22184 0 -1 4202560 7 0 0 0 0 0 0 0 20 0 19 0 254179618 10060460032 9875 33554432000 1073741824 1073778376 140735382189168 139740082893736 226087712681 0 4 0 16800975 18446744071579510697 0 0 -1 5 0 0 0 0 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 9824668

Child status: 30
Real time (s): 1.27385
CPU time (s): 0.532918
CPU user time (s): 0.472928
CPU system time (s): 0.05999
CPU usage (%): 41.8351
Max. virtual memory (cumulated for all children) (KiB): 9824668

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.472928
system time used= 0.05999
maximum resident set size= 41572
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5589
page faults= 1
swaps= 0
block input operations= 0
block output operations= 64
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 266
involuntary context switches= 25

runsolver used 0.004999 second user time and 0.010998 second system time

The end

Launcher Data

Begin job on node120 at 2012-05-24 19:28:56
IDJOB=3689008
IDBENCH=72142
IDSOLVER=2268
FILE ID=node120/3689008-1337880536
RUNJOBID= node120-1337871880-22201
PBS_JOBID= 14620084
Free space on /tmp= 71632 MiB

SOLVER NAME= SAT 4j PB RES // CP 2.3.2 Snapshot
BENCH NAME= PB10/normalized-PB10/OPT-SMALLINT-LIN/leberre/opb-paranoid/misc2010/datasets/caixa/normalized-1094.cudf.paranoid.opb
COMMAND LINE= java -jar HOME/sat4j-pb.jar Both BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3689008-1337880536/watcher-3689008-1337880536 -o /tmp/evaluation-result-3689008-1337880536/solver-3689008-1337880536 -C 1800 -W 1900 -M 15500  java -jar HOME/sat4j-pb.jar Both HOME/instance-3689008-1337880536.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= df01e3a04dd15d00e30df0eb146eefce
RANDOM SEED=1721763397

node120.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		: 2666.456
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	: 5332.91
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		: 2666.456
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		: 2666.456
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	: 5331.92
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		: 2666.456
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	: 5331.88
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		: 2666.456
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		: 2666.456
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	: 5331.83
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		: 2666.456
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		: 2666.456
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:        27382408 kB
Buffers:          185348 kB
Cached:          3229688 kB
SwapCached:          492 kB
Active:          1810160 kB
Inactive:        2881592 kB
Active(anon):    1266084 kB
Inactive(anon):    13152 kB
Active(file):     544076 kB
Inactive(file):  2868440 kB
Unevictable:        6864 kB
Mlocked:            6864 kB
SwapTotal:      67108856 kB
SwapFree:       67107896 kB
Dirty:               644 kB
Writeback:             0 kB
AnonPages:       1326336 kB
Mapped:            21612 kB
Shmem:               120 kB
Slab:             626512 kB
SReclaimable:      70192 kB
SUnreclaim:       556320 kB
KernelStack:        1776 kB
PageTables:         7120 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545680 kB
Committed_AS:    1531288 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346400 kB
VmallocChunk:   34341988052 kB
HardwareCorrupted:     0 kB
AnonHugePages:   1243136 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= 71632 MiB
End job on node120 at 2012-05-24 19:28:57