Trace number 1081433

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 1.63675 1.69902

DiagnosticValue
CHECKS4575410
NODES376

General information on the benchmark

Namecsp/queensKnights/
normalized-queensKnights-20-5-mul.xml
MD5SUM7ece432996b72b47d9d3fdb19a06127f
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 benchmark1.3378
Satisfiable
(Un)Satisfiability was proved
Number of variables25
Number of constraints300
Maximum constraint arity2
Maximum domain size400
Number of constraints which are defined in extension0
Number of constraints which are defined in intension300
Global constraints used (with number of constraints)

Solver Data (download as text)

0.05/0.08	
0.05/0.08	Abscon 112 (May, 2008)
0.18/0.24	
0.18/0.24	   configuration
0.18/0.24	     name=mac.xml
0.28/0.32	   
0.28/0.32	   instance
0.28/0.32	     name=HOME/instance-1081433-1215216981.xml
0.28/0.35	   
0.28/0.35	   domains being loaded...
0.28/0.36	   
0.28/0.36	   variables being loaded...
0.28/0.38	     nbVariables=25  nbDomainTypes=2  minDomainSize=20  maxDomainSize=400  nbTotalValues=2400
0.28/0.38	       =>  wckTime=0.144  cpuTime=0.11  mem=7M919
0.28/0.39	   
0.28/0.39	   predicates being loaded...
0.38/0.46	   
0.38/0.46	   constraints being loaded...
1.07/1.14	     nbConstraints=304  nbGlobalConstraints=4  nbConvertedConstraints=300  nbConvertConstraintsChecks=807600
1.07/1.14	     nbExtensionStructures=43  nbSharedExtensionStructures=257  nbConflictsStructures=43
1.07/1.14	     nbSharedConflictsStructures=257  nbSharedBinaryRepresentations=9716  minDegree=25  maxDegree=27  minArity=2
1.07/1.14	     avgArity=2.08  maxArity=20  nbGenerators=2  nbFusions=2  symmetryWckTime=0.154  symmetryCpuTime=0.11  nbCliques=2
1.07/1.14	       =>  wckTime=0.898  cpuTime=0.72  mem=17M717
1.07/1.19	   
1.17/1.20	   solver IterativeSystematicSolver being built... 
1.17/1.26	   
1.17/1.26	   INFO : Forward propagation technique limited 
1.26/1.33	       =>  wckTime=1.085  cpuTime=0.83  mem=20M151
1.26/1.34	   
1.26/1.34	   preprocessing
1.26/1.34	     nbConstraintChecks=12376  nbPropagations=27  nbRevisions=10  nbUselessRevisions=6  nbRemovedValues=62
1.26/1.34	     nbRemovedTuples=81168  detectedInconsistency=no
1.26/1.34	       =>  wckTime=0.01  cpuTime=0.01  mem=20M151
1.56/1.64	   
1.56/1.64	   search
1.56/1.64	     run=7  nbConstraintChecks=4563036  minDepth=0  maxDepth=0  nbPropagations=9318  nbRevisions=44990
1.56/1.64	     nbUselessRevisions=32866  nbAssignments=376  nbFailedAssignments=376  nbBacktracks=1  nbVisitedNodes=753
1.56/1.64	     nbRestartNogoods=0  mapSize=0  nbInferences=0  nbTooLargeKeys=0  nbSEliminables=?  nbREliminables=?
1.56/1.64	     nbIEliminables=?  nbDEliminables=?  nbPEliminables=?
1.56/1.64	       =>  wckTime=0.313  cpuTime=0.27  mem=21M192
1.56/1.64	   
1.56/1.64	   global
1.56/1.64	     nbConstraintChecks=4575412  nbPropagations=9345  nbRevisions=45000  nbUselessRevisions=32872  nbRestartNogoods=0
1.56/1.64	     solvingWckTime=0.315  solvingCpuTime=0.28  expiredTime=no  totalExploration=yes  nbFoundSolutions=0
1.56/1.64	     globalCpuTime=1.16
1.56/1.64	       =>  wckTime=1.402  cpuTime=1.11  mem=21M192
1.56/1.64	   
1.56/1.64	s UNSATISFIABLE
1.56/1.64	d NODES 376
1.56/1.64	d CHECKS 4575412
1.56/1.65	   
1.56/1.65	   totalWckTime=1.459  totalCpuTime=1.16

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-1081433-1215216981/watcher-1081433-1215216981 -o /tmp/evaluation-result-1081433-1215216981/solver-1081433-1215216981 -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-1081433-1215216981.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 2.00 2.00 4/80 28857
/proc/meminfo: memFree=1729072/2055920 swapFree=4179916/4192956
[pid=28857] ppid=28855 vsize=1616 CPUtime=0
/proc/28857/stat : 28857 (java) D 28855 28857 26762 0 -1 0 177 0 0 0 0 0 0 0 18 0 1 0 2000671406 1654784 145 996147200 134512640 134550740 4294956128 18446744073709551615 4294960144 0 2147483391 4096 0 18446744072099781622 0 0 17 0 0 0
/proc/28857/statm: 404 145 119 9 0 46 0

[startup+0.0641561 s]
/proc/loadavg: 2.00 2.00 2.00 4/80 28857
/proc/meminfo: memFree=1729072/2055920 swapFree=4179916/4192956
[pid=28857] ppid=28855 vsize=864076 CPUtime=0.05
/proc/28857/stat : 28857 (java) S 28855 28857 26762 0 -1 0 2801 0 1 0 4 1 0 0 18 0 9 0 2000671406 884813824 2339 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/28857/statm: 216019 2339 1120 9 0 210976 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 864076

[startup+0.101164 s]
/proc/loadavg: 2.00 2.00 2.00 4/80 28857
/proc/meminfo: memFree=1729072/2055920 swapFree=4179916/4192956
[pid=28857] ppid=28855 vsize=865884 CPUtime=0.09
/proc/28857/stat : 28857 (java) S 28855 28857 26762 0 -1 0 3751 0 1 0 7 2 0 0 18 0 9 0 2000671406 886665216 3208 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/28857/statm: 216471 3208 1701 9 0 211026 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 865884

[startup+0.301189 s]
/proc/loadavg: 2.00 2.00 2.00 4/80 28857
/proc/meminfo: memFree=1729072/2055920 swapFree=4179916/4192956
[pid=28857] ppid=28855 vsize=866196 CPUtime=0.28
/proc/28857/stat : 28857 (java) S 28855 28857 26762 0 -1 0 5619 0 1 0 25 3 0 0 18 0 9 0 2000671406 886984704 5033 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/28857/statm: 216549 5033 1902 9 0 211097 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 866196

[startup+0.70123 s]
/proc/loadavg: 2.00 2.00 2.00 4/80 28857
/proc/meminfo: memFree=1729072/2055920 swapFree=4179916/4192956
[pid=28857] ppid=28855 vsize=867096 CPUtime=0.68
/proc/28857/stat : 28857 (java) S 28855 28857 26762 0 -1 0 8039 0 1 0 62 6 0 0 18 0 9 0 2000671406 887906304 7397 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/28857/statm: 216774 7397 2010 9 0 211280 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 867096

[startup+1.50131 s]
/proc/loadavg: 2.00 2.00 2.00 4/89 28866
/proc/meminfo: memFree=1705256/2055920 swapFree=4179916/4192956
[pid=28857] ppid=28855 vsize=868900 CPUtime=1.46
/proc/28857/stat : 28857 (java) S 28855 28857 26762 0 -1 0 16244 172 1 0 136 10 0 0 18 0 10 0 2000671406 889753600 10566 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/28857/statm: 217225 10566 2632 9 0 211731 0
[pid=28857/tid=28859] ppid=28855 vsize=868900 CPUtime=1.17
/proc/28857/task/28859/stat : 28859 (java) R 28855 28857 26762 0 -1 64 12021 172 1 0 110 7 0 0 18 0 10 0 2000671407 889753600 10566 996147200 134512640 134550740 4294955968 18446744073709551615 4126950105 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28860] ppid=28855 vsize=868900 CPUtime=0.04
/proc/28857/task/28860/stat : 28860 (java) S 28855 28857 26762 0 -1 64 2677 172 0 0 4 0 0 0 16 0 10 0 2000671408 889753600 10566 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28861] ppid=28855 vsize=868900 CPUtime=0
/proc/28857/task/28861/stat : 28861 (java) S 28855 28857 26762 0 -1 64 13 172 0 0 0 0 0 0 16 0 10 0 2000671409 889753600 10566 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28862] ppid=28855 vsize=868900 CPUtime=0
/proc/28857/task/28862/stat : 28862 (java) S 28855 28857 26762 0 -1 64 10 172 0 0 0 0 0 0 16 0 10 0 2000671409 889753600 10566 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28863] ppid=28855 vsize=868900 CPUtime=0
/proc/28857/task/28863/stat : 28863 (java) S 28855 28857 26762 0 -1 64 1 172 0 0 0 0 0 0 18 0 10 0 2000671411 889753600 10566 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28864] ppid=28855 vsize=868900 CPUtime=0.21
/proc/28857/task/28864/stat : 28864 (java) S 28855 28857 26762 0 -1 64 731 172 0 0 20 1 0 0 16 0 10 0 2000671411 889753600 10566 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28865] ppid=28855 vsize=868900 CPUtime=0
/proc/28857/task/28865/stat : 28865 (java) S 28855 28857 26762 0 -1 64 2 172 0 0 0 0 0 0 19 0 10 0 2000671411 889753600 10566 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28866] ppid=28855 vsize=868900 CPUtime=0
/proc/28857/task/28866/stat : 28866 (java) S 28855 28857 26762 0 -1 64 3 172 0 0 0 0 0 0 15 0 10 0 2000671411 889753600 10566 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 1.46
Current children cumulated vsize (KiB) 868900

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

[startup+1.60232 s]
/proc/loadavg: 2.00 2.00 2.00 4/89 28866
/proc/meminfo: memFree=1705256/2055920 swapFree=4179916/4192956
[pid=28857] ppid=28855 vsize=868900 CPUtime=1.56
/proc/28857/stat : 28857 (java) S 28855 28857 26762 0 -1 0 16253 297 1 0 146 10 0 0 18 0 9 0 2000671406 889753600 10571 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/28857/statm: 217225 10571 2632 9 0 211731 0
[pid=28857/tid=28859] ppid=28855 vsize=868900 CPUtime=1.26
/proc/28857/task/28859/stat : 28859 (java) R 28855 28857 26762 0 -1 64 12022 297 1 0 119 7 0 0 19 0 9 0 2000671407 889753600 10571 996147200 134512640 134550740 4294955968 18446744073709551615 4126940416 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28860] ppid=28855 vsize=868900 CPUtime=0.04
/proc/28857/task/28860/stat : 28860 (java) S 28855 28857 26762 0 -1 64 2677 297 0 0 4 0 0 0 16 0 9 0 2000671408 889753600 10571 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28861] ppid=28855 vsize=868900 CPUtime=0
/proc/28857/task/28861/stat : 28861 (java) S 28855 28857 26762 0 -1 64 13 297 0 0 0 0 0 0 16 0 9 0 2000671409 889753600 10571 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28862] ppid=28855 vsize=868900 CPUtime=0
/proc/28857/task/28862/stat : 28862 (java) S 28855 28857 26762 0 -1 64 10 297 0 0 0 0 0 0 16 0 9 0 2000671409 889753600 10571 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28863] ppid=28855 vsize=868900 CPUtime=0
/proc/28857/task/28863/stat : 28863 (java) S 28855 28857 26762 0 -1 64 1 297 0 0 0 0 0 0 18 0 9 0 2000671411 889753600 10571 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28864] ppid=28855 vsize=868900 CPUtime=0.22
/proc/28857/task/28864/stat : 28864 (java) S 28855 28857 26762 0 -1 64 735 297 0 0 21 1 0 0 15 0 9 0 2000671411 889753600 10571 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28865] ppid=28855 vsize=868900 CPUtime=0
/proc/28857/task/28865/stat : 28865 (java) S 28855 28857 26762 0 -1 64 2 297 0 0 0 0 0 0 19 0 9 0 2000671411 889753600 10571 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=28857/tid=28866] ppid=28855 vsize=868900 CPUtime=0
/proc/28857/task/28866/stat : 28866 (java) S 28855 28857 26762 0 -1 64 3 297 0 0 0 0 0 0 15 0 9 0 2000671411 889753600 10571 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 1.56
Current children cumulated vsize (KiB) 868900

Child status: 0
Real time (s): 1.69902
CPU time (s): 1.63675
CPU user time (s): 1.51477
CPU system time (s): 0.121981
CPU usage (%): 96.3349
Max. virtual memory (cumulated for all children) (KiB): 868900

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.51477
system time used= 0.121981
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16670
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= 851
involuntary context switches= 887

runsolver used 0.002999 second user time and 0.012998 second system time

The end

Launcher Data (download as text)

Begin job on node37 at 2008-07-05 02:16:22
IDJOB=1081433
IDBENCH=57103
IDSOLVER=363
FILE ID=node37/1081433-1215216981
PBS_JOBID= 7881711
Free space on /tmp= 66556 MiB

SOLVER NAME= Abscon 112v4 AC
BENCH NAME= CPAI08/csp/queensKnights/normalized-queensKnights-20-5-mul.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-1081433-1215216981/watcher-1081433-1215216981 -o /tmp/evaluation-result-1081433-1215216981/solver-1081433-1215216981 -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-1081433-1215216981.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 7ece432996b72b47d9d3fdb19a06127f
RANDOM SEED=27659279

node37.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		: 3000.236
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		: 3000.236
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:       1729552 kB
Buffers:         29044 kB
Cached:         138684 kB
SwapCached:       6964 kB
Active:         225348 kB
Inactive:        48336 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1729552 kB
SwapTotal:     4192956 kB
SwapFree:      4179916 kB
Dirty:            2148 kB
Writeback:           0 kB
Mapped:         122228 kB
Slab:            37872 kB
Committed_AS:  4338672 kB
PageTables:       1992 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264884 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66556 MiB
End job on node37 at 2008-07-05 02:16:23