Trace number 1875500

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 NameAnswerobjCPU timeWall clock time
wbo 1.0OPT24890 1.01084 1.01145

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/
submittedPB07/aksoy/trarea_ac/normalized-fir02_trarea_ac.opb
MD5SUMaa73e48897f9c10e5003e2188d9e7ab9
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark24890
Best CPU time to get the best result obtained on this benchmark0.111982
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 24890
Optimality of the best value was proved YES
Number of variables644
Total number of constraints1034
Number of constraints which are clauses1034
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 constraint31
Number of terms in the objective function 353
Biggest coefficient in the objective function 2034
Number of bits for the biggest coefficient in the objective function 11
Sum of the numbers in the objective function 561307
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 2034
Number of bits of the biggest number in a constraint 11
Biggest sum of numbers in a constraint 561307
Number of bits of the biggest sum of numbers20
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.00/0.00	c This is wbo 1.0 alpha (based on Minisat 2.0 beta)
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Parsing opb file format. File HOME/instance-1875500-1245185291.opb.
0.00/0.00	c Instance file HOME/instance-1875500-1245185291.opb
0.00/0.00	c File size is 31269 bytes.
0.00/0.00	c Highest Coefficient sum: 32
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Parsing time:          0.00         s                                      |
0.00/0.00	c |  Number Variables:      644                                                 |
0.00/0.00	c |  Number Clauses:        1387                                                |
0.00/0.00	c |  Number Cardinality:    0                                                   |
0.00/0.00	c |  Number PB Constraints: 0                                                   |
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0.09/0.14	c ============================[ Search Statistics ]==============================
0.09/0.14	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.14	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.09/0.14	c ===============================================================================
0.09/0.14	c |         0 |    2737     4237     5106 |     5000        0    nan |  0.000 % |
0.09/0.14	c ===============================================================================
0.09/0.14	c core #62
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0.09/0.15	c |         0 |    2905     4405     5298 |     5000        0    nan |  0.000 % |
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0.09/0.15	c core #63
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0.09/0.16	c |         0 |    3073     4571     5478 |     5000        0    nan |  0.000 % |
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0.09/0.16	c core #64
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0.09/0.16	c |         0 |    3241     4739     5673 |     5000        0    nan |  0.000 % |
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0.09/0.17	c |         0 |    3411     4909     5878 |     5000        0    nan |  0.000 % |
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0.09/0.18	c |         0 |    3727     5080     6358 |     5000        0    nan |  0.000 % |
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0.09/0.18	c core #67
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0.09/0.19	c |         0 |    3887     5239     6597 |     5000        0    nan |  0.000 % |
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0.09/0.19	c core #68
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0.19/0.21	c |         0 |    4257     5605     7131 |     5000        0    nan |  0.000 % |
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0.19/0.22	c |         0 |    4415     5757     7365 |     5000        0    nan |  0.000 % |
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0.19/0.23	c |         0 |    4564     5905     7566 |     5000        0    nan |  0.000 % |
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0.19/0.24	c core #72
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0.19/0.24	c |         0 |    4730     6055     7931 |     5000        0    nan |  0.000 % |
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0.19/0.25	c core #73
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0.19/0.26	c |         0 |    4873     6196     8158 |     5000        0    nan |  0.000 % |
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0.19/0.26	c core #74
0.19/0.26	c Core size: 299	Core Weight: 12	Total Weight: 24204
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0.19/0.27	c |         0 |    5017     6335     8398 |     5000        0    nan |  0.000 % |
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0.19/0.27	c core #75
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0.19/0.28	c |         0 |    5157     6475     8572 |     5000        0    nan |  0.000 % |
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0.19/0.28	c core #76
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0.19/0.29	c |         0 |    5299     6615     8779 |     5000        0    nan |  0.000 % |
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0.19/0.30	c core #77
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0.29/0.30	c |         0 |    5442     6758     8980 |     5000        0    nan |  0.000 % |
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0.29/0.31	c core #78
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0.29/0.32	c |         0 |    5585     6899     9230 |     5000        0    nan |  0.000 % |
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0.29/0.32	c core #79
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0.29/0.33	c |         0 |    5729     7040     9461 |     5000        0    nan |  0.000 % |
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0.29/0.34	c core #80
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0.29/0.35	c |         0 |    5870     7179     9682 |     5000        0    nan |  0.000 % |
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0.29/0.35	c core #81
0.29/0.35	c Core size: 261	Core Weight: 5	Total Weight: 24291
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0.29/0.36	c |         0 |    5992     7299     9846 |     5000        0    nan |  0.000 % |
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0.29/0.36	c core #82
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0.29/0.37	c |         0 |    6116     7421    10087 |     5000        0    nan |  0.000 % |
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0.29/0.38	c core #83
0.29/0.38	c Core size: 424	Core Weight: 1	Total Weight: 24315
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0.29/0.39	c |         0 |    6322     7622    10405 |     5000        0    nan |  0.000 % |
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0.29/0.40	c core #84
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0.39/0.41	c |         0 |    6539     7837    10759 |     5000        0    nan |  0.000 % |
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0.39/0.41	c core #85
0.39/0.41	c Core size: 413	Core Weight: 3	Total Weight: 24323
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0.39/0.42	c |         0 |    6743     8040    11062 |     5000        0    nan |  0.000 % |
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0.39/0.43	c core #86
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0.39/0.44	c |         0 |    6950     8242    11369 |     5000        0    nan |  0.000 % |
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0.39/0.45	c core #87
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0.39/0.46	c |         0 |    7086     8375    11551 |     5000        0    nan |  0.000 % |
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0.39/0.47	c core #88
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0.39/0.48	c |         0 |    7223     8511    11782 |     5000        0    nan |  0.000 % |
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0.39/0.48	c core #89
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0.49/0.50	c core #90
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0.49/0.52	c core #91
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0.49/0.53	c core #92
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0.49/0.55	c core #93
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0.49/0.56	c |         0 |    7897     9176    12857 |     5000        0    nan |  0.000 % |
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0.49/0.57	c core #94
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0.49/0.59	c core #95
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0.59/0.61	c core #96
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0.59/0.63	c core #97
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0.59/0.65	c core #98
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0.59/0.67	c core #99
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0.69/0.70	c core #100
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0.69/0.73	c core #101
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0.69/0.75	c core #102
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0.69/0.76	c Learning 1 hard constraints
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0.69/0.77	c core #103
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0.79/0.89	c Elapsed CPU time: 0.820875 s	Remaining CPU time: 1799.18 s
0.89/0.91	c ============================[ Search Statistics ]==============================
0.89/0.91	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.89/0.91	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.89/0.91	c ===============================================================================
0.89/0.91	c |         0 |   10309    11553    17372 |     5000        0    nan |  0.000 % |
0.89/0.92	c ===============================================================================
0.89/0.92	c core #109
0.89/0.92	c Core size: 282	Core Weight: 38	Total Weight: 24835
0.89/0.92	c Elapsed CPU time: 0.846871 s	Remaining CPU time: 1799.15 s
0.89/0.94	c ============================[ Search Statistics ]==============================
0.89/0.94	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.89/0.94	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.89/0.94	c ===============================================================================
0.89/0.94	c |         0 |   10441    11679    17834 |     5000        0    nan |  0.000 % |
0.89/0.95	c ===============================================================================
0.89/0.95	c core #110
0.89/0.95	c Core size: 280	Core Weight: 46	Total Weight: 24881
0.89/0.95	c Elapsed CPU time: 0.867868 s	Remaining CPU time: 1799.13 s
0.89/0.97	c ============================[ Search Statistics ]==============================
0.89/0.97	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.89/0.97	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.89/0.97	c ===============================================================================
0.89/0.97	c |         0 |   10584    11807    18176 |     5000        0    nan |  0.000 % |
0.89/0.98	c ===============================================================================
0.89/0.98	c core #111
0.89/0.98	c Core size: 306	Core Weight: 9	Total Weight: 24890
0.89/0.98	c Elapsed CPU time: 0.891864 s	Remaining CPU time: 1799.11 s
0.89/0.99	c ============================[ Search Statistics ]==============================
0.89/0.99	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.89/0.99	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.89/0.99	c ===============================================================================
0.89/0.99	c |         0 |   10723    11945    18532 |     5000        0    nan |  0.000 % |
1.00/1.00	c ===============================================================================
1.00/1.00	c Verified 11945 original clauses.
1.00/1.00	c #cores: 111
1.00/1.00	c Final Weight: 24890
1.00/1.00	o 24890
1.00/1.00	s OPTIMUM FOUND
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Verifier Data 

OK	24890

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1875500-1245185291/watcher-1875500-1245185291 -o /tmp/evaluation-result-1875500-1245185291/solver-1875500-1245185291 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1875500-1245185291.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: 0.92 0.98 0.99 3/64 5190
/proc/meminfo: memFree=1859000/2055920 swapFree=4182572/4192956
[pid=5190] ppid=5188 vsize=2556 CPUtime=0
/proc/5190/stat : 5190 (wbo) R 5188 5190 4758 0 -1 4194304 209 0 0 0 0 0 0 0 18 0 1 0 186126155 2617344 193 1992294400 134512640 135709839 4294956240 18446744073709551615 134543022 0 0 4096 3 0 0 0 17 1 0 0
/proc/5190/statm: 639 193 128 292 0 336 0

[startup+0.0817061 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 5190
/proc/meminfo: memFree=1859000/2055920 swapFree=4182572/4192956
[pid=5190] ppid=5188 vsize=3340 CPUtime=0.07
/proc/5190/stat : 5190 (wbo) R 5188 5190 4758 0 -1 4194304 427 0 0 0 7 0 0 0 18 0 1 0 186126155 3420160 403 1992294400 134512640 135709839 4294956240 18446744073709551615 135230974 0 0 4096 3 0 0 0 17 1 0 0
/proc/5190/statm: 835 403 133 292 0 540 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 3340

[startup+0.102708 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 5190
/proc/meminfo: memFree=1859000/2055920 swapFree=4182572/4192956
[pid=5190] ppid=5188 vsize=3468 CPUtime=0.09
/proc/5190/stat : 5190 (wbo) R 5188 5190 4758 0 -1 4194304 452 0 0 0 9 0 0 0 18 0 1 0 186126155 3551232 428 1992294400 134512640 135709839 4294956240 18446744073709551615 134570415 0 0 4096 3 0 0 0 17 1 0 0
/proc/5190/statm: 867 428 134 292 0 572 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3468

[startup+0.301738 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 5190
/proc/meminfo: memFree=1859000/2055920 swapFree=4182572/4192956
[pid=5190] ppid=5188 vsize=6168 CPUtime=0.29
/proc/5190/stat : 5190 (wbo) R 5188 5190 4758 0 -1 4194304 1363 0 0 0 28 1 0 0 19 0 1 0 186126155 6316032 1089 1992294400 134512640 135709839 4294956240 18446744073709551615 135230974 0 0 4096 3 0 0 0 17 1 0 0
/proc/5190/statm: 1542 1089 135 292 0 1247 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6168

[startup+0.701795 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 5190
/proc/meminfo: memFree=1859000/2055920 swapFree=4182572/4192956
[pid=5190] ppid=5188 vsize=10388 CPUtime=0.69
/proc/5190/stat : 5190 (wbo) R 5188 5190 4758 0 -1 4194304 2711 0 0 0 65 4 0 0 22 0 1 0 186126155 10637312 2092 1992294400 134512640 135709839 4294956240 18446744073709551615 134599686 0 0 4096 3 0 0 0 17 1 0 0
/proc/5190/statm: 2597 2092 135 292 0 2302 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10388

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

[startup+0.901824 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 5190
/proc/meminfo: memFree=1859000/2055920 swapFree=4182572/4192956
[pid=5190] ppid=5188 vsize=13048 CPUtime=0.89
/proc/5190/stat : 5190 (wbo) R 5188 5190 4758 0 -1 4194304 3585 0 0 0 82 7 0 0 24 0 1 0 186126155 13361152 2762 1992294400 134512640 135709839 4294956240 18446744073709551615 134570801 0 0 4096 3 0 0 0 17 1 0 0
/proc/5190/statm: 3262 2762 135 292 0 2967 0
Current children cumulated CPU time (s) 0.89
Current children cumulated vsize (KiB) 13048

[startup+1.00184 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 5191
/proc/meminfo: memFree=1847664/2055920 swapFree=4182572/4192956
[pid=5190] ppid=5188 vsize=13628 CPUtime=1
/proc/5190/stat : 5190 (wbo) R 5188 5190 4758 0 -1 4194304 3906 0 0 0 91 9 0 0 25 0 1 0 186126155 13955072 2944 1992294400 134512640 135709839 4294956240 18446744073709551615 134572715 0 0 4096 3 0 0 0 17 1 0 0
/proc/5190/statm: 3407 2944 135 292 0 3112 0
Current children cumulated CPU time (s) 1
Current children cumulated vsize (KiB) 13628

Child status: 0
Real time (s): 1.01145
CPU time (s): 1.01084
CPU user time (s): 0.91586
CPU system time (s): 0.094985
CPU usage (%): 99.9406
Max. virtual memory (cumulated for all children) (KiB): 13628

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.91586
system time used= 0.094985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3906
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= 1

runsolver used 0.004999 second user time and 0.015997 second system time

The end

Launcher Data 

Begin job on node39 at 2009-06-16 22:48:11
IDJOB=1875500
IDBENCH=25022
IDSOLVER=698
FILE ID=node39/1875500-1245185291
PBS_JOBID= 9363902
Free space on /tmp= 66128 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/trarea_ac/normalized-fir02_trarea_ac.opb
COMMAND LINE= wbo -file-format=opb -time-limit=TIMEOUT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1875500-1245185291/watcher-1875500-1245185291 -o /tmp/evaluation-result-1875500-1245185291/solver-1875500-1245185291 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1875500-1245185291.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= aa73e48897f9c10e5003e2188d9e7ab9
RANDOM SEED=1114741597

node39.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		: 3000.263
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		: 3000.263
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:       1859480 kB
Buffers:         51360 kB
Cached:          77228 kB
SwapCached:       4216 kB
Active:          34652 kB
Inactive:       101836 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1859480 kB
SwapTotal:     4192956 kB
SwapFree:      4182572 kB
Dirty:            2404 kB
Writeback:           0 kB
Mapped:          13660 kB
Slab:            45920 kB
Committed_AS:   140872 kB
PageTables:       1384 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1875500-1245185291.opb

Free space on /tmp at the end= 66128 MiB
End job on node39 at 2009-06-16 22:48:12