Trace number 1885134

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 NameAnswerCPU timeWall clock time
bsolo 3.1 pbSAT 45.2711 45.2895

General information on the benchmark

Name/PURE-SAT/SAT09/CRAFTED/
edgematching/all/em_7_4_9_all.opb
MD5SUM9a5d69e530920eef84eb048c2f48d093
Bench CategoryPURE-SAT (instances containing only clauses)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark4.63229
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables1677
Total number of constraints40187
Number of constraints which are clauses40187
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 constraint2
Maximum length of a constraint25
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 26
Number of bits of the biggest sum of numbers5
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 bsolo beta version 3.1 - 13/04/2009 : 1630 GMT
0.00/0.00	c Developed by Vasco Manquinho and José Santos IST/UTL - INESC-ID
0.00/0.00	c type "bsolo -h" for help
0.00/0.00	c Time Limit set via environment variable PBTIMEOUT to 1800
0.00/0.00	c Learning Strategy: Generic Pseudo-Boolean Learning
0.00/0.00	c Time Limit set to 1800
0.00/0.00	c Memory Limit set to 1800 MB
0.00/0.00	c Instance file HOME/instance-1885134-1245263554.opb
0.00/0.00	c File size is 1151935 bytes.
0.09/0.14	c Highest Coefficient sum: 26
0.09/0.14	c Parsing was ok!!
0.09/0.14	c Total parsing time: 0.141 s
0.09/0.15	c Var: 1677 Constr: 40187 40187/0/0 Lit: 98603 Watch. Lit: 80374
0.09/0.15	c Obj. Vars: 0 (0 % of total variables)
0.49/0.55	c Pre-processing Time: 0.553 s
0.49/0.55	c    Confl   Vars     Ctrs     Lits  LPC   W.Lits     Max Learnt Conf/s Time
0.49/0.55	c        0   1577    37881    93219    2    75762   12626      0      0 0.55
0.49/0.55	c Switching off lower bounding mode.
45.18/45.28	c      100   1577    38057    98444    2    76114   13889    176    170 0.59
45.18/45.28	c      251   1577    38313   111288    2    76626   15278    432    382 0.66
45.18/45.28	c      477   1576    38674   130704    3    77347   16806    793    642 0.74
45.18/45.28	c      815   1576    39226   183783    4    78451   18487   1345    859 0.95
45.18/45.28	c     1324   1574    40069   274523    6    80135   20336   2188    903 1.47
45.18/45.28	c     2087   1573    41425   412584    9    82846   22370   3544    935 2.23
45.18/45.28	c     3235   1573    43384   614446   14    86764   24608   5503    859 3.77
45.18/45.28	c     4957   1573    46373   883416   19    92742   27069   8492    848 5.84
45.18/45.28	c     7541   1573    50849  1343406   26   101694   29776  12968    752 10.02
45.18/45.28	c    11420   1573    57761  1892138   32   115518   32754  19880    611 18.67
45.18/45.28	c    17243   1573    68129  2824429   41   136254   36030  30248    451 38.17
45.18/45.28	c Backtracks by Clause: 18839
45.18/45.28	c Backtracks by PB constraint: 0
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45.18/45.28	c  Rst    Confl    NCB      Dec     Ctrs     Lits Learnt Conf/s Time
45.18/45.28	c   11    18839   9738   112102    70992  3091384  33111    416 45.26
45.18/45.28	s SATISFIABLE
45.18/45.28	c Total time: 45.261 s

Verifier Data 

OK	0

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1885134-1245263554/watcher-1885134-1245263554 -o /tmp/evaluation-result-1885134-1245263554/solver-1885134-1245263554 -C 1800 -W 2000 -M 1800 bsolo -l3 -t1800 -m1800 HOME/instance-1885134-1245263554.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: 1.00 1.00 0.91 3/65 19807
/proc/meminfo: memFree=1837816/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=11840 CPUtime=0
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 263 0 0 0 0 0 0 0 20 0 1 0 193954365 12124160 247 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 2960 247 175 640 0 2034 0

[startup+0.0508131 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 19807
/proc/meminfo: memFree=1837816/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=13352 CPUtime=0.04
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 732 0 0 0 4 0 0 0 20 0 1 0 193954365 13672448 716 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 3338 717 268 640 0 2412 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 13352

[startup+0.101821 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 19807
/proc/meminfo: memFree=1837816/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=14856 CPUtime=0.09
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 1193 0 0 0 9 0 0 0 20 0 1 0 193954365 15212544 1177 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 3714 1178 369 640 0 2788 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 14856

[startup+0.301857 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 19807
/proc/meminfo: memFree=1837816/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=18156 CPUtime=0.29
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 2420 0 0 0 29 0 0 0 22 0 1 0 193954365 18591744 2122 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 4539 2122 193 640 0 3895 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 18156

[startup+0.701933 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 19807
/proc/meminfo: memFree=1837816/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=18044 CPUtime=0.69
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 2673 0 0 0 67 2 0 0 25 0 1 0 193954365 18477056 2092 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 4511 2092 198 640 0 3867 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 18044

[startup+1.50108 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 19808
/proc/meminfo: memFree=1830128/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=19284 CPUtime=1.49
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 2974 0 0 0 146 3 0 0 25 0 1 0 193954365 19746816 2393 1992294400 134512640 137136520 4294956256 18446744073709551615 136504651 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 4821 2393 198 640 0 4177 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 19284

[startup+3.10138 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 19808
/proc/meminfo: memFree=1827376/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=22992 CPUtime=3.09
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 3900 0 0 0 305 4 0 0 25 0 1 0 193954365 23543808 3319 1992294400 134512640 137136520 4294956256 18446744073709551615 134544125 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 5748 3319 198 640 0 5104 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 22992

[startup+6.30198 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 19808
/proc/meminfo: memFree=1821168/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=28548 CPUtime=6.29
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 5304 0 0 0 623 6 0 0 25 0 1 0 193954365 29233152 4723 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 7137 4723 198 640 0 6493 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 28548

[startup+12.7012 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 19808
/proc/meminfo: memFree=1812016/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=36716 CPUtime=12.68
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 7335 0 0 0 1260 8 0 0 25 0 1 0 193954365 37597184 6754 1992294400 134512640 137136520 4294956256 18446744073709551615 134606769 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 9179 6754 198 640 0 8535 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 36716

[startup+25.5016 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 19808
/proc/meminfo: memFree=1801328/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=46828 CPUtime=25.48
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 9870 0 0 0 2535 13 0 0 25 0 1 0 193954365 47951872 9289 1992294400 134512640 137136520 4294956256 18446744073709551615 134543865 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 11707 9289 198 640 0 11063 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 46828

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

[startup+38.302 s]
/proc/loadavg: 1.07 1.02 0.91 2/66 19808
/proc/meminfo: memFree=1793648/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=54872 CPUtime=38.28
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 11880 0 0 0 3813 15 0 0 25 0 1 0 193954365 56188928 11299 1992294400 134512640 137136520 4294956256 18446744073709551615 136568305 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 13718 11299 198 640 0 13074 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 54872

[startup+41.5016 s]
/proc/loadavg: 1.07 1.02 0.91 2/66 19808
/proc/meminfo: memFree=1792112/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=56212 CPUtime=41.48
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 12222 0 0 0 4132 16 0 0 25 0 1 0 193954365 57561088 11641 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 14053 11641 198 640 0 13409 0
Current children cumulated CPU time (s) 41.48
Current children cumulated vsize (KiB) 56212

[startup+43.1019 s]
/proc/loadavg: 1.07 1.02 0.91 2/66 19808
/proc/meminfo: memFree=1791088/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=57228 CPUtime=43.07
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 12457 0 0 0 4291 16 0 0 25 0 1 0 193954365 58601472 11876 1992294400 134512640 137136520 4294956256 18446744073709551615 134544122 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 14307 11876 198 640 0 13663 0
Current children cumulated CPU time (s) 43.07
Current children cumulated vsize (KiB) 57228

[startup+43.902 s]
/proc/loadavg: 1.07 1.02 0.91 2/66 19808
/proc/meminfo: memFree=1790384/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=57612 CPUtime=43.87
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 12557 0 0 0 4371 16 0 0 25 0 1 0 193954365 58994688 11976 1992294400 134512640 137136520 4294956256 18446744073709551615 136575102 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 14403 11976 198 640 0 13759 0
Current children cumulated CPU time (s) 43.87
Current children cumulated vsize (KiB) 57612

[startup+44.7011 s]
/proc/loadavg: 1.07 1.02 0.91 2/66 19808
/proc/meminfo: memFree=1790384/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=58224 CPUtime=44.68
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 12710 0 0 0 4451 17 0 0 25 0 1 0 193954365 59621376 12129 1992294400 134512640 137136520 4294956256 18446744073709551615 134543831 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 14556 12129 198 640 0 13912 0
Current children cumulated CPU time (s) 44.68
Current children cumulated vsize (KiB) 58224

[startup+45.1052 s]
/proc/loadavg: 1.07 1.02 0.91 2/66 19808
/proc/meminfo: memFree=1789552/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=58464 CPUtime=45.08
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 12778 0 0 0 4491 17 0 0 25 0 1 0 193954365 59867136 12197 1992294400 134512640 137136520 4294956256 18446744073709551615 136502143 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 14616 12197 198 640 0 13972 0
Current children cumulated CPU time (s) 45.08
Current children cumulated vsize (KiB) 58464

[startup+45.2022 s]
/proc/loadavg: 1.07 1.02 0.91 2/66 19808
/proc/meminfo: memFree=1789552/2055920 swapFree=4181244/4192956
[pid=19807] ppid=19805 vsize=58464 CPUtime=45.18
/proc/19807/stat : 19807 (bsolo) R 19805 19807 19414 0 -1 4194304 12793 0 0 0 4501 17 0 0 25 0 1 0 193954365 59867136 12212 1992294400 134512640 137136520 4294956256 18446744073709551615 134544717 0 0 4096 16384 0 0 0 17 1 0 0
/proc/19807/statm: 14616 12212 198 640 0 13972 0
Current children cumulated CPU time (s) 45.18
Current children cumulated vsize (KiB) 58464

Child status: 0
Real time (s): 45.2895
CPU time (s): 45.2711
CPU user time (s): 45.0891
CPU system time (s): 0.181972
CPU usage (%): 99.9593
Max. virtual memory (cumulated for all children) (KiB): 58464

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 45.0891
system time used= 0.181972
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12807
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= 60

runsolver used 0.051992 second user time and 0.120981 second system time

The end

Launcher Data 

Begin job on node81 at 2009-06-17 20:32:34
IDJOB=1885134
IDBENCH=72026
IDSOLVER=701
FILE ID=node81/1885134-1245263554
PBS_JOBID= 9372381
Free space on /tmp= 126776 MiB

SOLVER NAME= bsolo 3.1 pb
BENCH NAME= PB09/normalized-PB09/PURE-SAT/SAT09/CRAFTED/edgematching/all/em_7_4_9_all.opb
COMMAND LINE= bsolo -l3 -tTIMEOUT -mMEMLIMIT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1885134-1245263554/watcher-1885134-1245263554 -o /tmp/evaluation-result-1885134-1245263554/solver-1885134-1245263554 -C 1800 -W 2000 -M 1800  bsolo -l3 -t1800 -m1800 HOME/instance-1885134-1245263554.opb

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

MD5SUM BENCH= 9a5d69e530920eef84eb048c2f48d093
RANDOM SEED=653522365

node81.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		: 3000.268
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		: 3000.268
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1838296 kB
Buffers:         19284 kB
Cached:         131688 kB
SwapCached:       5224 kB
Active:          52912 kB
Inactive:       106612 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1838296 kB
SwapTotal:     4192956 kB
SwapFree:      4181244 kB
Dirty:            5276 kB
Writeback:           0 kB
Mapped:          14580 kB
Slab:            43780 kB
Committed_AS:   118472 kB
PageTables:       1452 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1885134-1245263554.opb

Free space on /tmp at the end= 126772 MiB
End job on node81 at 2009-06-17 20:33:20