Trace number 1093903

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 ACSAT 0.757884 0.781884

DiagnosticValue
CHECKS2093
NODES26

General information on the benchmark

Namecsp/queens/
normalized-queens-12.xml
MD5SUM7d616395bef7a91c9fb9079904283d52
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.011997
Satisfiable
(Un)Satisfiability was proved
Number of variables12
Number of constraints66
Maximum constraint arity2
Maximum domain size12
Number of constraints which are defined in extension0
Number of constraints which are defined in intension66
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.08	
0.00/0.08	Abscon 112 (May, 2008)
0.19/0.23	
0.19/0.23	   configuration
0.19/0.23	     name=mac.xml
0.19/0.26	   
0.19/0.27	   instance
0.19/0.27	     name=HOME/instance-1093903-1215278485.xml
0.29/0.30	   
0.29/0.30	   domains being loaded...
0.29/0.31	   
0.29/0.31	   variables being loaded...
0.29/0.33	     nbVariables=12  nbDomainTypes=1  minDomainSize=12  maxDomainSize=12  nbTotalValues=144
0.29/0.33	       =>  wckTime=0.096  cpuTime=0.09  mem=7M919
0.29/0.33	   
0.29/0.33	   predicates being loaded...
0.29/0.39	   
0.29/0.39	   constraints being loaded...
0.49/0.54	     nbConstraints=68  nbGlobalConstraints=2  nbConvertedConstraints=66  nbConvertConstraintsChecks=1728
0.49/0.54	     nbExtensionStructures=12  nbSharedExtensionStructures=54  nbConflictsStructures=12  nbSharedConflictsStructures=54
0.49/0.54	     nbSharedBinaryRepresentations=176  minDegree=13  maxDegree=13  minArity=2  avgArity=2.29  maxArity=12
0.49/0.54	     nbGenerators=1  nbFusions=1  symmetryWckTime=0.043  symmetryCpuTime=0.02  nbCliques=1
0.49/0.54	       =>  wckTime=0.302  cpuTime=0.23  mem=14M785
0.49/0.58	   
0.49/0.59	   solver IterativeSystematicSolver being built... 
0.58/0.65	   
0.58/0.65	   INFO : Forward propagation technique limited 
0.68/0.71	       =>  wckTime=0.477  cpuTime=0.34  mem=19M667
0.68/0.72	   
0.68/0.72	   preprocessing
0.68/0.72	     nbConstraintChecks=24  nbPropagations=13  nbRevisions=2  nbUselessRevisions=0  nbRemovedValues=2
0.68/0.72	     nbRemovedTuples=65  detectedInconsistency=no
0.68/0.72	       =>  wckTime=0.0040  cpuTime=0.01  mem=19M667
0.68/0.75	   
0.68/0.75	   search
0.68/0.75	     run=0  nbConstraintChecks=2069  minDepth=4  maxDepth=12  nbPropagations=172  nbRevisions=588
0.68/0.75	     nbUselessRevisions=399  nbAssignments=26  nbFailedAssignments=7  nbBacktracks=7  nbVisitedNodes=39
0.68/0.75	     nbRestartNogoods=0  nbFoundSolutions=1  mapSize=7  nbInferences=0  nbTooLargeKeys=0  nbSEliminables=0
0.68/0.75	     nbREliminables=0  nbIEliminables=6.72  nbDEliminables=0  nbPEliminables=0
0.68/0.75	       =>  wckTime=0.035  cpuTime=0.03  mem=20M675
0.68/0.75	   
0.68/0.75	   global
0.68/0.75	     nbConstraintChecks=2093  nbPropagations=185  nbRevisions=590  nbUselessRevisions=399  nbRestartNogoods=0
0.68/0.75	     solvingWckTime=0.037  solvingCpuTime=0.03  expiredTime=no  totalExploration=no  nbFoundSolutions=1
0.68/0.75	     firstSolutionCpuTime=0.37  globalCpuTime=0.4
0.68/0.75	       =>  wckTime=0.516  cpuTime=0.37  mem=20M675
0.68/0.75	   
0.68/0.75	s SATISFIABLE
0.68/0.75	v 2 4 7 9 11 5 10 1 6 8 3 12 
0.68/0.75	d NODES 26
0.68/0.75	d CHECKS 2093
0.68/0.75	   
0.68/0.75	   totalWckTime=0.581  totalCpuTime=0.4

Verifier Data (download as text)

OK

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-1093903-1215278485/watcher-1093903-1215278485 -o /tmp/evaluation-result-1093903-1215278485/solver-1093903-1215278485 -C 1800 -W 2200 -M 900 --output-limit 1,15 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution mac.xml 1 XSax HOME/instance-1093903-1215278485.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: 2.00 2.01 2.00 4/81 21655
/proc/meminfo: memFree=1702568/2055920 swapFree=4179828/4192956
[pid=21655] ppid=21653 vsize=272 CPUtime=0
/proc/21655/stat : 21655 (java) R 21653 21655 18713 0 -1 0 216 0 0 0 0 0 0 0 18 0 1 0 2006821993 278528 37 996147200 134512640 134550740 4294955968 18446744073709551615 7685871 0 0 4096 0 0 0 0 17 0 0 0
/proc/21655/statm: 68 37 28 9 0 6 0

[startup+0.083414 s]
/proc/loadavg: 2.00 2.01 2.00 4/81 21655
/proc/meminfo: memFree=1702568/2055920 swapFree=4179828/4192956
[pid=21655] ppid=21653 vsize=865884 CPUtime=0.07
/proc/21655/stat : 21655 (java) S 21653 21655 18713 0 -1 0 3645 0 1 0 6 1 0 0 18 0 9 0 2006821993 886665216 3129 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/21655/statm: 216471 3129 1675 9 0 211026 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 865884

[startup+0.102414 s]
/proc/loadavg: 2.00 2.01 2.00 4/81 21655
/proc/meminfo: memFree=1702568/2055920 swapFree=4179828/4192956
[pid=21655] ppid=21653 vsize=865884 CPUtime=0.08
/proc/21655/stat : 21655 (java) S 21653 21655 18713 0 -1 0 3843 0 1 0 7 1 0 0 18 0 9 0 2006821993 886665216 3292 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/21655/statm: 216471 3293 1740 9 0 211026 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 865884

[startup+0.302446 s]
/proc/loadavg: 2.00 2.01 2.00 4/81 21655
/proc/meminfo: memFree=1702568/2055920 swapFree=4179828/4192956
[pid=21655] ppid=21653 vsize=866400 CPUtime=0.29
/proc/21655/stat : 21655 (java) S 21653 21655 18713 0 -1 0 6078 0 1 0 26 3 0 0 18 0 9 0 2006821993 887193600 5448 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/21655/statm: 216600 5448 1961 9 0 211128 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 866400

[startup+0.701518 s]
/proc/loadavg: 2.00 2.01 2.00 4/81 21655
/proc/meminfo: memFree=1702568/2055920 swapFree=4179828/4192956
[pid=21655] ppid=21653 vsize=866944 CPUtime=0.68
/proc/21655/stat : 21655 (java) S 21653 21655 18713 0 -1 0 14200 275 1 0 61 7 0 0 18 0 9 0 2006821993 887750656 9095 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/21655/statm: 216736 9095 2628 9 0 211242 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 866944

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

Child status: 0
Real time (s): 0.781884
CPU time (s): 0.757884
CPU user time (s): 0.662899
CPU system time (s): 0.094985
CPU usage (%): 96.9305
Max. virtual memory (cumulated for all children) (KiB): 866944

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.662899
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= 15657
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= 723
involuntary context switches= 783

runsolver used 0.001999 second user time and 0.008998 second system time

The end

Launcher Data (download as text)

Begin job on node34 at 2008-07-05 19:21:25
IDJOB=1093903
IDBENCH=58733
IDSOLVER=363
FILE ID=node34/1093903-1215278485
PBS_JOBID= 7882170
Free space on /tmp= 66504 MiB

SOLVER NAME= Abscon 112v4 AC
BENCH NAME= CPAI08/csp/queens/normalized-queens-12.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= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1093903-1215278485/watcher-1093903-1215278485 -o /tmp/evaluation-result-1093903-1215278485/solver-1093903-1215278485 -C 1800 -W 2200 -M 900 --output-limit 1,15  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution mac.xml 1 XSax HOME/instance-1093903-1215278485.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 7d616395bef7a91c9fb9079904283d52
RANDOM SEED=581336439

node34.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		: 3000.259
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		: 3000.259
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:       1702984 kB
Buffers:         47220 kB
Cached:         201460 kB
SwapCached:       7272 kB
Active:         195028 kB
Inactive:       105152 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1702984 kB
SwapTotal:     4192956 kB
SwapFree:      4179828 kB
Dirty:            2420 kB
Writeback:           0 kB
Mapped:          67340 kB
Slab:            37668 kB
Committed_AS:  3651752 kB
PageTables:       1992 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= 66504 MiB
End job on node34 at 2008-07-05 19:21:26