Trace number 2097434

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 0.869867 0.898889

DiagnosticValue
CHECKS2591
NODES80

General information on the benchmark

Namecsp/varDimacs/
normalized-hole-07_ext.xml
MD5SUMd0dfb06c2c1647e5949b7f71273b876a
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.12598
Satisfiable
(Un)Satisfiability was proved
Number of variables56
Number of constraints204
Maximum constraint arity7
Maximum domain size2
Number of constraints which are defined in extension204
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.00/0.09	
0.00/0.09	Abscon 112 (May, 2008)
0.19/0.25	
0.19/0.25	   configuration
0.19/0.25	     name=esac.xml
0.19/0.28	   
0.19/0.28	   instance
0.19/0.28	     name=HOME/instance-2097434-1247412326.xml
0.29/0.32	   
0.29/0.32	   domains being loaded...
0.29/0.32	   
0.29/0.32	   variables being loaded...
0.29/0.35	     nbVariables=56  nbDomainTypes=1  minDomainSize=2  maxDomainSize=2  nbTotalValues=112
0.29/0.35	       =>  wckTime=0.097  cpuTime=0.09  mem=7M892
0.29/0.35	   
0.29/0.35	   relations being loaded...
0.29/0.35	   
0.29/0.35	   constraints being loaded...
0.48/0.57	     nbConstraints=217  nbRelationTypes=2  nbGlobalConstraints=13  nbExtensionStructures=3
0.58/0.62	     nbSharedExtensionStructures=201  nbConflictsStructures=9  nbSharedConflictsStructures=201
0.58/0.62	     nbSharedBinaryRepresentations=2  minDegree=10  maxDegree=12  minArity=2  avgArity=2.96  maxArity=16
0.58/0.62	     nbGenerators=13  nbFusions=7  symmetryWckTime=0.123  symmetryCpuTime=0.09
0.58/0.62	       =>  wckTime=0.32  cpuTime=0.24  mem=13M768
0.58/0.62	   
0.58/0.62	   solver IterativeSystematicSolver being built... 
0.68/0.70	   
0.68/0.70	   INFO : Forward propagation technique limited 
0.68/0.77	       =>  wckTime=0.519  cpuTime=0.37  mem=21M462
0.78/0.80	   
0.78/0.80	   preprocessing
0.78/0.80	     nbConstraintChecks=824  nbPropagations=183  nbRevisions=572  nbUselessRevisions=524  nbSingletonTests=77
0.78/0.80	     nbEffectiveSingletonTests=0  nbACRemovals=7  nbFoundSingletons=0  nbRemovedValues=7  nbRemovedTuples=1
0.78/0.80	     detectedInconsistency=no
0.78/0.80	       =>  wckTime=0.032  cpuTime=0.02  mem=21M462
0.78/0.86	   
0.78/0.86	   search
0.78/0.86	     run=0  nbConstraintChecks=1767  nbValidityChecks=17  minDepth=0  maxDepth=40  nbPropagations=425  nbRevisions=1929
0.78/0.86	     nbUselessRevisions=1696  nbAssignments=80  nbFailedAssignments=4  nbBacktracks=77  nbVisitedNodes=97
0.78/0.86	     nbRestartNogoods=0  mapSize=15  nbInferences=0  nbTooLargeKeys=0  nbSEliminables=0.79  nbREliminables=24.67
0.78/0.86	     nbIEliminables=16.42  nbDEliminables=0  nbPEliminables=0
0.78/0.86	       =>  wckTime=0.086  cpuTime=0.05  mem=22M470
0.78/0.86	   
0.78/0.86	   global
0.78/0.86	     nbConstraintChecks=2591  nbValidityChecks=17  nbPropagations=608  nbRevisions=2501  nbUselessRevisions=2220
0.78/0.86	     nbRestartNogoods=0  solvingWckTime=0.089  solvingCpuTime=0.05  expiredTime=no  totalExploration=yes
0.78/0.86	     nbFoundSolutions=0  globalCpuTime=0.46
0.78/0.86	       =>  wckTime=0.609  cpuTime=0.42  mem=22M470
0.78/0.86	   
0.78/0.86	s UNSATISFIABLE
0.78/0.86	d NODES 80
0.78/0.86	d CHECKS 2591
0.78/0.86	   
0.78/0.86	   totalWckTime=0.675  totalCpuTime=0.46

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-2097434-1247412326/watcher-2097434-1247412326 -o /tmp/evaluation-result-2097434-1247412326/solver-2097434-1247412326 -C 1800 -W 2000 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution esac.xml 1 XSax HOME/instance-2097434-1247412326.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: 1.85 1.97 1.99 4/80 30748
/proc/meminfo: memFree=1746968/2055920 swapFree=4192812/4192956
[pid=30748] ppid=30746 vsize=18576 CPUtime=0
/proc/30748/stat : 30748 (runsolver) R 30746 30748 29353 0 -1 4194368 16 0 0 0 0 0 0 0 19 0 1 0 28298962 19021824 284 996147200 4194304 4302564 548682068384 18446744073709551615 269028486439 0 2147483391 4096 24578 0 0 0 17 1 0 0
/proc/30748/statm: 4644 284 249 26 0 2626 0

[startup+0.01632 s]
/proc/loadavg: 1.85 1.97 1.99 4/80 30748
/proc/meminfo: memFree=1746968/2055920 swapFree=4192812/4192956
[pid=30748] ppid=30746 vsize=10764 CPUtime=0
/proc/30748/stat : 30748 (java) S 30746 30748 29353 0 -1 0 740 0 0 0 0 0 0 0 18 0 2 0 28298962 11022336 520 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16784584 18446744073709551615 0 0 17 1 0 0
/proc/30748/statm: 2710 524 243 9 0 1196 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 10764

[startup+0.102794 s]
/proc/loadavg: 1.85 1.97 1.99 4/80 30748
/proc/meminfo: memFree=1746968/2055920 swapFree=4192812/4192956
[pid=30748] ppid=30746 vsize=865984 CPUtime=0.08
/proc/30748/stat : 30748 (java) S 30746 30748 29353 0 -1 0 3732 0 1 0 7 1 0 0 18 0 9 0 28298962 886767616 3200 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/30748/statm: 216496 3200 1695 9 0 210981 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 865984

[startup+0.302827 s]
/proc/loadavg: 1.85 1.97 1.99 4/80 30748
/proc/meminfo: memFree=1746968/2055920 swapFree=4192812/4192956
[pid=30748] ppid=30746 vsize=866412 CPUtime=0.29
/proc/30748/stat : 30748 (java) S 30746 30748 29353 0 -1 0 5970 0 1 0 26 3 0 0 18 0 9 0 28298962 887205888 5336 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/30748/statm: 216603 5337 1984 9 0 211061 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 866412

[startup+0.701889 s]
/proc/loadavg: 1.85 1.97 1.99 4/80 30748
/proc/meminfo: memFree=1746968/2055920 swapFree=4192812/4192956
[pid=30748] ppid=30746 vsize=867112 CPUtime=0.68
/proc/30748/stat : 30748 (java) S 30746 30748 29353 0 -1 0 12664 175 1 0 62 6 0 0 18 0 10 0 28298962 887922688 8250 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/30748/statm: 216778 8250 2651 9 0 211214 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 867112

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

[startup+0.801906 s]
/proc/loadavg: 1.85 1.97 1.99 4/80 30748
/proc/meminfo: memFree=1746968/2055920 swapFree=4192812/4192956
[pid=30748] ppid=30746 vsize=867112 CPUtime=0.78
/proc/30748/stat : 30748 (java) S 30746 30748 29353 0 -1 0 15240 175 1 0 71 7 0 0 18 0 10 0 28298962 887922688 10402 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/30748/statm: 216778 10402 2655 9 0 211214 0
Current children cumulated CPU time (s) 0.78
Current children cumulated vsize (KiB) 867112

Child status: 0
Real time (s): 0.898889
CPU time (s): 0.869867
CPU user time (s): 0.781881
CPU system time (s): 0.087986
CPU usage (%): 96.7713
Max. virtual memory (cumulated for all children) (KiB): 867112

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.781881
system time used= 0.087986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15930
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= 907
involuntary context switches= 957

runsolver used 0.001999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node26 at 2009-07-12 17:25:26
IDJOB=2097434
IDBENCH=57386
IDSOLVER=774
FILE ID=node26/2097434-1247412326
PBS_JOBID= 9510592
Free space on /tmp= 66396 MiB

SOLVER NAME= Abscon 112v4 ESAC
BENCH NAME= CPAI08/csp/varDimacs/normalized-hole-07_ext.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= BIN/runsolver --timestamp -w /tmp/evaluation-result-2097434-1247412326/watcher-2097434-1247412326 -o /tmp/evaluation-result-2097434-1247412326/solver-2097434-1247412326 -C 1800 -W 2000 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution esac.xml 1 XSax HOME/instance-2097434-1247412326.xml

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

MD5SUM BENCH= d0dfb06c2c1647e5949b7f71273b876a
RANDOM SEED=1311575147

node26.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		: 3000.281
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		: 3000.281
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:       1747448 kB
Buffers:         36332 kB
Cached:         115376 kB
SwapCached:          0 kB
Active:         165316 kB
Inactive:        88340 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1747448 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2152 kB
Writeback:           0 kB
Mapped:         122396 kB
Slab:            40084 kB
Committed_AS:   988400 kB
PageTables:       1920 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= 66392 MiB
End job on node26 at 2009-07-12 17:25:27