Trace number 2097353

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 ACUNSAT 0.876865 0.947486

DiagnosticValue
CHECKS3135
NODES12

General information on the benchmark

Namecsp/langford3/
normalized-langford-3-5.xml
MD5SUM43c8eda3f5b2d1223300980939f8a7f5
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 benchmark0.007998
Satisfiable
(Un)Satisfiability was proved
Number of variables15
Number of constraints115
Maximum constraint arity2
Maximum domain size15
Number of constraints which are defined in extension0
Number of constraints which are defined in intension115
Global constraints used (with number of constraints)

Solver Data 

0.03/0.09	
0.03/0.09	Abscon 112 (May, 2008)
0.17/0.25	
0.17/0.25	   configuration
0.17/0.25	     name=mac.xml
0.27/0.30	   
0.27/0.30	   instance
0.27/0.30	     name=HOME/instance-2097353-1247412176.xml
0.27/0.34	   
0.27/0.34	   domains being loaded...
0.27/0.35	   
0.27/0.35	   variables being loaded...
0.27/0.38	     nbVariables=15  nbDomainTypes=1  minDomainSize=15  maxDomainSize=15  nbTotalValues=225
0.27/0.38	       =>  wckTime=0.131  cpuTime=0.11  mem=7M892
0.27/0.38	   
0.27/0.38	   predicates being loaded...
0.37/0.46	   
0.37/0.46	   constraints being loaded...
0.57/0.66	     nbConstraints=106  nbGlobalConstraints=1  nbMergedConstraints=10  nbConvertedConstraints=105
0.57/0.66	     nbConvertConstraintsChecks=1350  nbExtensionStructures=6  nbSharedExtensionStructures=99  nbConflictsStructures=6
0.57/0.66	     nbSharedConflictsStructures=99  nbSharedBinaryRepresentations=149  minDegree=15  maxDegree=15  minArity=2
0.57/0.66	     avgArity=2.12  maxArity=15  nbGenerators=0  nbFusions=0  symmetryWckTime=0.06  symmetryCpuTime=0.03  nbCliques=1
0.57/0.66	       =>  wckTime=0.411  cpuTime=0.31  mem=14M842
0.67/0.71	   
0.67/0.71	   solver IterativeSystematicSolver being built... 
0.67/0.78	   
0.67/0.78	   INFO : Forward propagation technique limited 
0.77/0.84	       =>  wckTime=0.593  cpuTime=0.42  mem=19M484
0.77/0.85	   
0.77/0.85	   preprocessing
0.77/0.85	     nbConstraintChecks=335  nbPropagations=25  nbRevisions=25  nbUselessRevisions=0  nbRemovedValues=120
0.77/0.85	     detectedInconsistency=no
0.77/0.85	       =>  wckTime=0.0060  cpuTime=0.0  mem=19M484
0.77/0.88	   
0.77/0.88	   search
0.77/0.88	     run=0  nbConstraintChecks=2800  minDepth=0  maxDepth=3  nbPropagations=146  nbRevisions=658  nbUselessRevisions=458
0.77/0.88	     nbAssignments=12  nbFailedAssignments=3  nbBacktracks=7  nbVisitedNodes=18  nbRestartNogoods=0  mapSize=3
0.77/0.88	     nbInferences=0  nbTooLargeKeys=0  nbSEliminables=0  nbREliminables=0  nbIEliminables=14.33  nbDEliminables=0
0.77/0.88	     nbPEliminables=0
0.77/0.88	       =>  wckTime=0.037  cpuTime=0.02  mem=20M476
0.77/0.88	   
0.77/0.88	   global
0.77/0.88	     nbConstraintChecks=3135  nbPropagations=171  nbRevisions=683  nbUselessRevisions=458  nbRestartNogoods=0
0.77/0.88	     solvingWckTime=0.039  solvingCpuTime=0.02  expiredTime=no  totalExploration=yes  nbFoundSolutions=0
0.77/0.88	     globalCpuTime=0.51
0.77/0.88	       =>  wckTime=0.634  cpuTime=0.45  mem=20M476
0.77/0.88	   
0.77/0.88	s UNSATISFIABLE
0.77/0.88	d NODES 12
0.77/0.88	d CHECKS 3135
0.77/0.89	   
0.77/0.89	   totalWckTime=0.696  totalCpuTime=0.52

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2097353-1247412176/watcher-2097353-1247412176 -o /tmp/evaluation-result-2097353-1247412176/solver-2097353-1247412176 -C 1800 -W 2000 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution mac.xml 1 XSax HOME/instance-2097353-1247412176.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): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.08 2.03 2.01 4/80 3566
/proc/meminfo: memFree=1681240/2055920 swapFree=4192812/4192956
[pid=3566] ppid=3564 vsize=10676 CPUtime=0
/proc/3566/stat : 3566 (java) S 3564 3566 32672 0 -1 0 678 0 0 0 0 0 0 0 18 0 2 0 28280304 10932224 474 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/3566/statm: 2669 474 207 9 0 1184 0
[pid=3566/tid=3567] ppid=3564 vsize=10676 CPUtime=0
/proc/3566/task/3567/stat : 3567 (java) R 3564 3566 32672 0 -1 64 0 0 0 0 0 0 0 0 19 0 2 0 28280305 10932224 474 996147200 134512640 134550932 4294955968 18446744073709551615 7737304 0 0 4096 0 0 0 0 -1 1 0 0

[startup+0.0519201 s]
/proc/loadavg: 2.08 2.03 2.01 4/80 3566
/proc/meminfo: memFree=1681240/2055920 swapFree=4192812/4192956
[pid=3566] ppid=3564 vsize=861936 CPUtime=0.03
/proc/3566/stat : 3566 (java) S 3564 3566 32672 0 -1 0 2385 0 1 0 2 1 0 0 18 0 5 0 28280304 882622464 1965 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800971 18446744073709551615 0 0 17 1 0 0
/proc/3566/statm: 215484 1966 902 9 0 210399 0
[pid=3566/tid=3567] ppid=3564 vsize=861936 CPUtime=0.02
/proc/3566/task/3567/stat : 3567 (java) D 3564 3566 32672 0 -1 64 1691 0 1 0 2 0 0 0 17 0 5 0 28280305 882622464 1966 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 2147483391 0 16800971 18446744072099781622 0 0 -1 1 0 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 861936

[startup+0.104651 s]
/proc/loadavg: 2.08 2.03 2.01 4/80 3566
/proc/meminfo: memFree=1681240/2055920 swapFree=4192812/4192956
[pid=3566] ppid=3564 vsize=865984 CPUtime=0.08
/proc/3566/stat : 3566 (java) S 3564 3566 32672 0 -1 0 3758 0 1 0 6 2 0 0 18 0 9 0 28280304 886767616 3216 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/3566/statm: 216496 3216 1697 9 0 210981 0
[pid=3566/tid=3567] ppid=3564 vsize=865984 CPUtime=0.07
/proc/3566/task/3567/stat : 3567 (java) R 3564 3566 32672 0 -1 64 2850 0 1 0 6 1 0 0 18 0 9 0 28280305 886767616 3216 996147200 134512640 134550932 4294955968 18446744073709551615 104298070 0 4 0 16800975 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 865984

[startup+0.301679 s]
/proc/loadavg: 2.08 2.03 2.01 4/80 3566
/proc/meminfo: memFree=1681240/2055920 swapFree=4192812/4192956
[pid=3566] ppid=3564 vsize=866228 CPUtime=0.27
/proc/3566/stat : 3566 (java) S 3564 3566 32672 0 -1 0 5675 0 1 0 23 4 0 0 18 0 9 0 28280304 887017472 5075 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/3566/statm: 216557 5075 1939 9 0 211015 0
[pid=3566/tid=3567] ppid=3564 vsize=866228 CPUtime=0.24
/proc/3566/task/3567/stat : 3567 (java) R 3564 3566 32672 0 -1 64 4743 0 1 0 21 3 0 0 18 0 9 0 28280305 887017472 5075 996147200 134512640 134550932 4294955968 18446744073709551615 7215312 0 4 0 16800975 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 866228

[startup+0.701714 s]
/proc/loadavg: 2.08 2.03 2.01 4/80 3566
/proc/meminfo: memFree=1681240/2055920 swapFree=4192812/4192956
[pid=3566] ppid=3564 vsize=867348 CPUtime=0.67
/proc/3566/stat : 3566 (java) S 3564 3566 32672 0 -1 0 10765 272 1 0 59 8 0 0 18 0 9 0 28280304 888164352 8107 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/3566/statm: 216837 8107 2687 9 0 211273 0
[pid=3566/tid=3567] ppid=3564 vsize=867348 CPUtime=0.52
/proc/3566/task/3567/stat : 3567 (java) R 3564 3566 32672 0 -1 64 7552 272 1 0 46 6 0 0 20 0 9 0 28280305 888164352 8107 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 867348

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

[startup+0.901727 s]
/proc/loadavg: 2.08 2.03 2.01 4/80 3566
/proc/meminfo: memFree=1681240/2055920 swapFree=4192812/4192956
[pid=3566] ppid=3564 vsize=867348 CPUtime=0.85
/proc/3566/stat : 3566 (java) S 3564 3566 32672 0 -1 0 15517 272 1 0 75 10 0 0 18 0 9 0 28280304 888164352 10342 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/3566/statm: 216837 10342 2655 9 0 211273 0
[pid=3566/tid=3567] ppid=3564 vsize=867348 CPUtime=0.67
/proc/3566/task/3567/stat : 3567 (java) S 3564 3566 32672 0 -1 64 11929 272 1 0 59 8 0 0 21 0 9 0 28280305 888164352 10342 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 0.85
Current children cumulated vsize (KiB) 867348

Child status: 0
Real time (s): 0.947486
CPU time (s): 0.876865
CPU user time (s): 0.757884
CPU system time (s): 0.118981
CPU usage (%): 92.5465
Max. virtual memory (cumulated for all children) (KiB): 867348

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.757884
system time used= 0.118981
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15815
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 390
involuntary context switches= 428

runsolver used 0.005999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node67 at 2009-07-12 17:22:56
IDJOB=2097353
IDBENCH=57186
IDSOLVER=773
FILE ID=node67/2097353-1247412176
PBS_JOBID= 9510513
Free space on /tmp= 66512 MiB

SOLVER NAME= Abscon 112v4 AC
BENCH NAME= CPAI08/csp/langford3/normalized-langford-3-5.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution mac.xml 1 XSax BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2097353-1247412176/watcher-2097353-1247412176 -o /tmp/evaluation-result-2097353-1247412176/solver-2097353-1247412176 -C 1800 -W 2000 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution mac.xml 1 XSax HOME/instance-2097353-1247412176.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 43c8eda3f5b2d1223300980939f8a7f5
RANDOM SEED=646134136

node67.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		: 3000.239
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		: 3000.239
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:       1681720 kB
Buffers:         41368 kB
Cached:         150392 kB
SwapCached:          0 kB
Active:         216584 kB
Inactive:        98288 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1681720 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2040 kB
Writeback:           0 kB
Mapped:         143560 kB
Slab:            44344 kB
Committed_AS:  1019104 kB
PageTables:       2048 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 node67 at 2009-07-12 17:22:57