Trace number 1092909

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
Abscon 112v4 ESACUNSAT 1.2918 1.3593

DiagnosticValue
CHECKS350777
NODES396

General information on the benchmark

Namecsp/langford4/
normalized-langford-4-9.xml
MD5SUM86dddb0f65e85dccb4a223f08a17bdb9
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.047992
Satisfiable
(Un)Satisfiability was proved
Number of variables36
Number of constraints657
Maximum constraint arity2
Maximum domain size36
Number of constraints which are defined in extension0
Number of constraints which are defined in intension657
Global constraints used (with number of constraints)

Solver Data (download as text)

0.04/0.08	
0.04/0.08	Abscon 112 (May, 2008)
0.16/0.27	
0.16/0.27	   configuration
0.16/0.27	     name=esac.xml
0.26/0.33	   
0.26/0.33	   instance
0.26/0.33	     name=HOME/instance-1092909-1215479165.xml
0.26/0.37	   
0.26/0.37	   domains being loaded...
0.26/0.38	   
0.26/0.38	   variables being loaded...
0.33/0.41	     nbVariables=36  nbDomainTypes=1  minDomainSize=36  maxDomainSize=36  nbTotalValues=1296
0.33/0.41	       =>  wckTime=0.133  cpuTime=0.1  mem=7M919
0.33/0.41	   
0.33/0.41	   predicates being loaded...
0.33/0.47	   
0.33/0.47	   constraints being loaded...
0.73/0.85	     nbConstraints=631  nbGlobalConstraints=1  nbMergedConstraints=27  nbConvertedConstraints=630
0.73/0.85	     nbConvertConstraintsChecks=12960  nbExtensionStructures=10  nbSharedExtensionStructures=620
0.73/0.85	     nbConflictsStructures=10  nbSharedConflictsStructures=620  nbSharedBinaryRepresentations=647  minDegree=36
0.73/0.85	     maxDegree=36  minArity=2  avgArity=2.05  maxArity=36  nbGenerators=0  nbFusions=0  symmetryWckTime=0.082
0.73/0.85	     symmetryCpuTime=0.04  nbCliques=1
0.73/0.85	       =>  wckTime=0.577  cpuTime=0.4  mem=16M836
0.82/0.92	   
0.82/0.92	   solver IterativeSystematicSolver being built... 
0.82/0.98	   
0.82/1.00	   INFO : Forward propagation technique limited 
0.92/1.05	       =>  wckTime=0.772  cpuTime=0.52  mem=20M38
1.02/1.11	   
1.02/1.11	   preprocessing
1.02/1.11	     nbConstraintChecks=40078  nbPropagations=653  nbRevisions=4468  nbUselessRevisions=3494  nbSingletonTests=41
1.02/1.11	     nbEffectiveSingletonTests=0  nbACRemovals=648  nbFoundSingletons=0  nbRemovedValues=648  detectedInconsistency=no
1.02/1.11	       =>  wckTime=0.065  cpuTime=0.04  mem=21M46
1.21/1.34	   
1.21/1.34	   search
1.21/1.34	     run=4  nbConstraintChecks=310699  minDepth=3  maxDepth=12  nbPropagations=21689  nbRevisions=162622
1.21/1.34	     nbUselessRevisions=128342  nbAssignments=396  nbFailedAssignments=88  nbBacktracks=274  nbVisitedNodes=536
1.21/1.34	     nbRestartNogoods=17  mapSize=68  nbInferences=0  nbTooLargeKeys=0  nbSEliminables=0  nbREliminables=0
1.21/1.34	     nbIEliminables=33.75  nbDEliminables=0  nbPEliminables=0
1.21/1.34	       =>  wckTime=0.29  cpuTime=0.23  mem=22M86
1.21/1.34	   
1.21/1.34	   global
1.21/1.34	     nbConstraintChecks=350777  nbPropagations=22342  nbRevisions=167090  nbUselessRevisions=131836  nbRestartNogoods=17
1.21/1.34	     solvingWckTime=0.292  solvingCpuTime=0.24  expiredTime=no  totalExploration=yes  nbFoundSolutions=0
1.21/1.34	     globalCpuTime=0.79
1.21/1.34	       =>  wckTime=1.066  cpuTime=0.76  mem=22M86
1.21/1.34	   
1.21/1.34	s UNSATISFIABLE
1.21/1.34	d NODES 396
1.21/1.34	d CHECKS 350777
1.21/1.34	   
1.21/1.34	   totalWckTime=1.131  totalCpuTime=0.79

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1092909-1215479165/watcher-1092909-1215479165 -o /tmp/evaluation-result-1092909-1215479165/solver-1092909-1215479165 -C 1800 -W 2200 -M 900 --output-limit 1,15 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution esac.xml 1 XSax HOME/instance-1092909-1215479165.xml 

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): 2200 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.87 1.97 1.87 4/81 3331
/proc/meminfo: memFree=1822616/2055920 swapFree=4192812/4192956
[pid=3331] ppid=3329 vsize=18572 CPUtime=0
/proc/3331/stat : 3331 (runsolver) R 3329 3331 2734 0 -1 4194368 16 0 0 0 0 0 0 0 20 0 1 0 4619978 19017728 292 996147200 4194304 4296836 548682068336 18446744073709551615 259353275687 0 2147483391 4096 24578 0 0 0 17 0 0 0
/proc/3331/statm: 4643 292 257 25 0 2626 0

[startup+0.055791 s]
/proc/loadavg: 1.87 1.97 1.87 4/81 3331
/proc/meminfo: memFree=1822616/2055920 swapFree=4192812/4192956
[pid=3331] ppid=3329 vsize=863916 CPUtime=0.04
/proc/3331/stat : 3331 (java) S 3329 3331 2734 0 -1 0 2725 0 1 0 3 1 0 0 21 0 9 0 4619978 884649984 2277 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/3331/statm: 215979 2277 1089 9 0 210936 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 863916

[startup+0.101797 s]
/proc/loadavg: 1.87 1.97 1.87 4/81 3331
/proc/meminfo: memFree=1822616/2055920 swapFree=4192812/4192956
[pid=3331] ppid=3329 vsize=865884 CPUtime=0.09
/proc/3331/stat : 3331 (java) S 3329 3331 2734 0 -1 0 3726 0 1 0 7 2 0 0 21 0 9 0 4619978 886665216 3192 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/3331/statm: 216471 3192 1690 9 0 211026 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 865884

[startup+0.30182 s]
/proc/loadavg: 1.87 1.97 1.87 4/81 3331
/proc/meminfo: memFree=1822616/2055920 swapFree=4192812/4192956
[pid=3331] ppid=3329 vsize=866204 CPUtime=0.26
/proc/3331/stat : 3331 (java) S 3329 3331 2734 0 -1 0 5584 0 2 0 21 5 0 0 21 0 9 0 4619978 886992896 5008 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/3331/statm: 216551 5008 1884 9 0 211099 0
Current children cumulated CPU time (s) 0.26
Current children cumulated vsize (KiB) 866204

[startup+0.701868 s]
/proc/loadavg: 1.87 1.97 1.87 4/81 3331
/proc/meminfo: memFree=1822616/2055920 swapFree=4192812/4192956
[pid=3331] ppid=3329 vsize=867076 CPUtime=0.63
/proc/3331/stat : 3331 (java) S 3329 3331 2734 0 -1 0 8130 0 4 0 56 7 0 0 21 0 9 0 4619978 887885824 7491 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/3331/statm: 216769 7491 2010 9 0 211275 0
Current children cumulated CPU time (s) 0.63
Current children cumulated vsize (KiB) 867076

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

[startup+1.10692 s]
/proc/loadavg: 1.87 1.97 1.87 7/91 3344
/proc/meminfo: memFree=1794640/2055920 swapFree=4192812/4192956
[pid=3331] ppid=3329 vsize=867844 CPUtime=1.02
/proc/3331/stat : 3331 (java) S 3329 3331 2734 0 -1 0 16044 305 4 0 90 12 0 0 21 0 10 0 4619978 888672256 10339 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/3331/statm: 216961 10339 2631 9 0 211467 0
[pid=3331/tid=3333] ppid=3329 vsize=867844 CPUtime=0.73
/proc/3331/task/3333/stat : 3333 (java) R 3329 3331 2734 0 -1 64 11818 305 4 0 64 9 0 0 17 0 10 0 4619980 888672256 10339 996147200 134512640 134550740 4294955968 18446744073709551615 4125980196 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=3331/tid=3334] ppid=3329 vsize=867844 CPUtime=0.04
/proc/3331/task/3334/stat : 3334 (java) S 3329 3331 2734 0 -1 64 2662 305 0 0 4 0 0 0 17 0 10 0 4619981 888672256 10339 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 0 0 0 -1 1 0 0
[pid=3331/tid=3335] ppid=3329 vsize=867844 CPUtime=0
/proc/3331/task/3335/stat : 3335 (java) S 3329 3331 2734 0 -1 64 15 305 0 0 0 0 0 0 16 0 10 0 4619981 888672256 10339 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=3331/tid=3336] ppid=3329 vsize=867844 CPUtime=0
/proc/3331/task/3336/stat : 3336 (java) S 3329 3331 2734 0 -1 64 10 305 0 0 0 0 0 0 16 0 10 0 4619981 888672256 10339 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=3331/tid=3337] ppid=3329 vsize=867844 CPUtime=0
/proc/3331/task/3337/stat : 3337 (java) S 3329 3331 2734 0 -1 64 0 305 0 0 0 0 0 0 25 0 10 0 4619983 888672256 10339 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=3331/tid=3338] ppid=3329 vsize=867844 CPUtime=0.21
/proc/3331/task/3338/stat : 3338 (java) S 3329 3331 2734 0 -1 64 727 305 0 0 21 0 0 0 15 0 10 0 4619983 888672256 10339 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=3331/tid=3339] ppid=3329 vsize=867844 CPUtime=0
/proc/3331/task/3339/stat : 3339 (java) S 3329 3331 2734 0 -1 64 2 305 0 0 0 0 0 0 25 0 10 0 4619983 888672256 10339 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=3331/tid=3340] ppid=3329 vsize=867844 CPUtime=0
/proc/3331/task/3340/stat : 3340 (java) S 3329 3331 2734 0 -1 64 4 305 0 0 0 0 0 0 15 0 10 0 4619983 888672256 10339 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=3331/tid=3341] ppid=3329 vsize=867844 CPUtime=0
/proc/3331/task/3341/stat : 3341 (java) R 3329 3331 2734 0 -1 64 76 305 0 0 0 0 0 0 25 0 10 0 4620059 888672256 10339 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 1.02
Current children cumulated vsize (KiB) 867844

[startup+1.30194 s]
/proc/loadavg: 1.87 1.97 1.87 7/91 3344
/proc/meminfo: memFree=1794640/2055920 swapFree=4192812/4192956
[pid=3331] ppid=3329 vsize=867844 CPUtime=1.21
/proc/3331/stat : 3331 (java) S 3329 3331 2734 0 -1 0 16319 305 4 0 109 12 0 0 21 0 9 0 4619978 888672256 10614 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/3331/statm: 216961 10614 2631 9 0 211467 0
[pid=3331/tid=3333] ppid=3329 vsize=867844 CPUtime=0.9
/proc/3331/task/3333/stat : 3333 (java) R 3329 3331 2734 0 -1 64 12077 305 4 0 81 9 0 0 19 0 9 0 4619980 888672256 10614 996147200 134512640 134550740 4294955968 18446744073709551615 4126971923 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=3331/tid=3334] ppid=3329 vsize=867844 CPUtime=0.04
/proc/3331/task/3334/stat : 3334 (java) S 3329 3331 2734 0 -1 64 2662 305 0 0 4 0 0 0 17 0 9 0 4619981 888672256 10614 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 0 0 0 -1 1 0 0
[pid=3331/tid=3335] ppid=3329 vsize=867844 CPUtime=0
/proc/3331/task/3335/stat : 3335 (java) S 3329 3331 2734 0 -1 64 15 305 0 0 0 0 0 0 16 0 9 0 4619981 888672256 10614 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=3331/tid=3336] ppid=3329 vsize=867844 CPUtime=0
/proc/3331/task/3336/stat : 3336 (java) S 3329 3331 2734 0 -1 64 10 305 0 0 0 0 0 0 16 0 9 0 4619981 888672256 10614 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=3331/tid=3337] ppid=3329 vsize=867844 CPUtime=0
/proc/3331/task/3337/stat : 3337 (java) S 3329 3331 2734 0 -1 64 0 305 0 0 0 0 0 0 25 0 9 0 4619983 888672256 10614 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=3331/tid=3338] ppid=3329 vsize=867844 CPUtime=0.24
/proc/3331/task/3338/stat : 3338 (java) S 3329 3331 2734 0 -1 64 743 305 0 0 23 1 0 0 15 0 9 0 4619983 888672256 10614 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=3331/tid=3339] ppid=3329 vsize=867844 CPUtime=0
/proc/3331/task/3339/stat : 3339 (java) S 3329 3331 2734 0 -1 64 2 305 0 0 0 0 0 0 25 0 9 0 4619983 888672256 10614 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=3331/tid=3340] ppid=3329 vsize=867844 CPUtime=0
/proc/3331/task/3340/stat : 3340 (java) S 3329 3331 2734 0 -1 64 4 305 0 0 0 0 0 0 15 0 9 0 4619983 888672256 10614 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 1.21
Current children cumulated vsize (KiB) 867844

Child status: 0
Real time (s): 1.3593
CPU time (s): 1.2918
CPU user time (s): 1.15082
CPU system time (s): 0.140978
CPU usage (%): 95.0341
Max. virtual memory (cumulated for all children) (KiB): 867844

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.15082
system time used= 0.140978
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16743
page faults= 4
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 1395
involuntary context switches= 1283

runsolver used 0.003999 second user time and 0.011998 second system time

The end

Launcher Data (download as text)

Begin job on node1 at 2008-07-08 03:06:05
IDJOB=1092909
IDBENCH=58667
IDSOLVER=364
FILE ID=node1/1092909-1215479165
PBS_JOBID= 7888637
Free space on /tmp= 66512 MiB

SOLVER NAME= Abscon 112v4 ESAC
BENCH NAME= CPAI08/csp/langford4/normalized-langford-4-9.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution esac.xml 1 XSax BENCHNAME
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1092909-1215479165/watcher-1092909-1215479165 -o /tmp/evaluation-result-1092909-1215479165/solver-1092909-1215479165 -C 1800 -W 2200 -M 900 --output-limit 1,15  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution esac.xml 1 XSax HOME/instance-1092909-1215479165.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 86dddb0f65e85dccb4a223f08a17bdb9
RANDOM SEED=1481413859

node1.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		: 3000.244
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		: 3000.244
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:       1823096 kB
Buffers:          5804 kB
Cached:         121352 kB
SwapCached:        140 kB
Active:         144252 kB
Inactive:        55152 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1823096 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2568 kB
Writeback:           0 kB
Mapped:          92264 kB
Slab:            18584 kB
Committed_AS:   175080 kB
PageTables:       2016 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66508 MiB
End job on node1 at 2008-07-08 03:06:06