Trace number 2096876

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 ESACSAT 0.864868 0.904984

DiagnosticValue
CHECKS1526
NODES212

General information on the benchmark

Namecsp/aim-100/
normalized-aim-100-1-6-sat-4_ext.xml
MD5SUM7944a2b777c28bf6ef2ff25cfcbc3735
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.008998
Satisfiable
(Un)Satisfiability was proved
Number of variables100
Number of constraints157
Maximum constraint arity3
Maximum domain size2
Number of constraints which are defined in extension157
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.01/0.09	
0.01/0.09	Abscon 112 (May, 2008)
0.18/0.26	
0.18/0.26	   configuration
0.18/0.26	     name=esac.xml
0.18/0.30	   
0.18/0.30	   instance
0.18/0.30	     name=HOME/instance-2096876-1247411063.xml
0.28/0.33	   
0.28/0.33	   domains being loaded...
0.28/0.34	   
0.28/0.34	   variables being loaded...
0.28/0.37	     nbVariables=100  nbDomainTypes=1  minDomainSize=2  maxDomainSize=2  nbTotalValues=200
0.28/0.37	       =>  wckTime=0.113  cpuTime=0.1  mem=7M892
0.28/0.37	   
0.28/0.37	   relations being loaded...
0.28/0.38	   
0.28/0.38	   constraints being loaded...
0.48/0.52	     nbConstraints=157  nbRelationTypes=11  nbExtensionStructures=11  nbSharedExtensionStructures=146
0.48/0.52	     nbConflictsStructures=11  nbSharedConflictsStructures=146  nbSharedBinaryRepresentations=0  minDegree=3
0.48/0.52	     maxDegree=8  minArity=3  maxArity=3  nbGenerators=0  nbFusions=0  symmetryWckTime=0.052  symmetryCpuTime=0.03
0.48/0.52	       =>  wckTime=0.258  cpuTime=0.19  mem=12M875
0.48/0.57	   
0.48/0.57	   solver IterativeSystematicSolver being built... 
0.66/0.75	       =>  wckTime=0.488  cpuTime=0.33  mem=21M680
0.66/0.79	   
0.66/0.79	   preprocessing
0.66/0.79	     nbConstraintChecks=362  nbValidityChecks=284  nbPropagations=365  nbRevisions=608  nbUselessRevisions=464
0.66/0.79	     nbSingletonTests=133  nbEffectiveSingletonTests=0  nbACRemovals=0  nbFoundSingletons=0  nbRemovedValues=0
0.66/0.79	     detectedInconsistency=no
0.66/0.79	       =>  wckTime=0.038  cpuTime=0.03  mem=21M680
0.77/0.86	   
0.77/0.86	   search
0.77/0.86	     run=1  nbConstraintChecks=1164  nbValidityChecks=1310  minDepth=16  maxDepth=100  nbPropagations=1529
0.77/0.86	     nbRevisions=3473  nbUselessRevisions=2620  nbAssignments=212  nbFailedAssignments=16  nbInferredBacktracks=1
0.77/0.86	     nbBacktracks=68  nbVisitedNodes=245  nbRestartNogoods=2  nbFoundSolutions=1  mapSize=29  nbInferences=0
0.77/0.86	     nbTooLargeKeys=0  nbSEliminables=42.1  nbREliminables=41.91  nbIEliminables=3.55  nbDEliminables=0
0.77/0.86	     nbPEliminables=0
0.77/0.86	       =>  wckTime=0.113  cpuTime=0.08  mem=22M688
0.77/0.87	   
0.77/0.87	   global
0.77/0.87	     nbConstraintChecks=1526  nbValidityChecks=1594  nbPropagations=1894  nbRevisions=4081  nbUselessRevisions=3084
0.77/0.87	     nbRestartNogoods=2  solvingWckTime=0.116  solvingCpuTime=0.08  expiredTime=no  totalExploration=no
0.77/0.87	     nbFoundSolutions=1  firstSolutionCpuTime=0.41  globalCpuTime=0.46
0.77/0.87	       =>  wckTime=0.605  cpuTime=0.42  mem=22M688
0.77/0.87	   
0.77/0.87	s SATISFIABLE
0.77/0.87	v 1 1 1 0 0 1 1 0 1 0 1 0 1 1 1 1 0 0 0 1 0 0 1 1 1 0 1 1 1 1 1 1 1 0 1 1 0 1 0 0 1 1 0 1 0 0 0 0 1 1 1 0 0 1 0 0 1 1 0 0 1 1 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 1 0 0 1 1 0 1 1 0 1 1 1 1 1 1 0 1 0 0 0 1 1 0 
0.77/0.87	d NODES 212
0.77/0.87	d CHECKS 1526
0.77/0.87	   
0.77/0.87	   totalWckTime=0.675  totalCpuTime=0.46

Verifier Data 

OK

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2096876-1247411063/watcher-2096876-1247411063 -o /tmp/evaluation-result-2096876-1247411063/solver-2096876-1247411063 -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-2096876-1247411063.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: 1.86 1.97 1.99 4/80 29993
/proc/meminfo: memFree=1687568/2055920 swapFree=4192812/4192956
[pid=29993] ppid=29991 vsize=18576 CPUtime=0
/proc/29993/stat : 29993 (runsolver) R 29991 29993 28067 0 -1 4194368 16 0 0 0 0 0 0 0 18 0 1 0 28170253 19021824 284 996147200 4194304 4302564 548682068384 18446744073709551615 259415141671 0 2147483391 4096 24578 0 0 0 17 1 0 0
/proc/29993/statm: 4644 284 249 26 0 2626 0

[startup+0.0285649 s]
/proc/loadavg: 1.86 1.97 1.99 4/80 29993
/proc/meminfo: memFree=1687568/2055920 swapFree=4192812/4192956
[pid=29993] ppid=29991 vsize=861288 CPUtime=0.01
/proc/29993/stat : 29993 (java) S 29991 29993 28067 0 -1 0 1716 0 1 0 0 1 0 0 18 0 3 0 28170253 881958912 1413 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16784584 18446744073709551615 0 0 17 1 0 0
/proc/29993/statm: 215322 1413 568 9 0 210237 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 861288

[startup+0.102673 s]
/proc/loadavg: 1.86 1.97 1.99 4/80 29993
/proc/meminfo: memFree=1687568/2055920 swapFree=4192812/4192956
[pid=29993] ppid=29991 vsize=865984 CPUtime=0.08
/proc/29993/stat : 29993 (java) S 29991 29993 28067 0 -1 0 3732 0 1 0 6 2 0 0 18 0 9 0 28170253 886767616 3200 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/29993/statm: 216496 3200 1695 9 0 210981 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 865984

[startup+0.30271 s]
/proc/loadavg: 1.86 1.97 1.99 4/80 29993
/proc/meminfo: memFree=1687568/2055920 swapFree=4192812/4192956
[pid=29993] ppid=29991 vsize=866380 CPUtime=0.28
/proc/29993/stat : 29993 (java) S 29991 29993 28067 0 -1 0 5861 0 1 0 24 4 0 0 18 0 9 0 28170253 887173120 5227 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/29993/statm: 216595 5227 1981 9 0 211053 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 866380

[startup+0.702793 s]
/proc/loadavg: 1.86 1.97 1.99 4/80 29993
/proc/meminfo: memFree=1687568/2055920 swapFree=4192812/4192956
[pid=29993] ppid=29991 vsize=867348 CPUtime=0.66
/proc/29993/stat : 29993 (java) S 29991 29993 28067 0 -1 0 13083 158 1 0 60 6 0 0 18 0 10 0 28170253 888164352 8325 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/29993/statm: 216837 8325 2651 9 0 211273 0
Current children cumulated CPU time (s) 0.66
Current children cumulated vsize (KiB) 867348

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

[startup+0.90474 s]
/proc/loadavg: 1.86 1.97 1.99 4/80 29993
/proc/meminfo: memFree=1687568/2055920 swapFree=4192812/4192956
[pid=29993] ppid=29991 vsize=0 CPUtime=0.85
/proc/29993/stat : 29993 (java) Z 29991 29993 28067 0 -1 12 15669 283 1 0 76 9 0 0 16 0 1 0 28170253 0 0 996147200 0 0 0 0 0 0 0 0 16800975 18446744071563351923 0 0 17 1 0 0
/proc/29993/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 0.85
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 0.904984
CPU time (s): 0.864868
CPU user time (s): 0.768883
CPU system time (s): 0.095985
CPU usage (%): 95.5672
Max. virtual memory (cumulated for all children) (KiB): 867348

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.768883
system time used= 0.095985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15952
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= 918
involuntary context switches= 980

runsolver used 0.004999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node42 at 2009-07-12 17:04:23
IDJOB=2096876
IDBENCH=56734
IDSOLVER=774
FILE ID=node42/2096876-1247411063
PBS_JOBID= 9510559
Free space on /tmp= 66304 MiB

SOLVER NAME= Abscon 112v4 ESAC
BENCH NAME= CPAI08/csp/aim-100/normalized-aim-100-1-6-sat-4_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-2096876-1247411063/watcher-2096876-1247411063 -o /tmp/evaluation-result-2096876-1247411063/solver-2096876-1247411063 -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-2096876-1247411063.xml

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

MD5SUM BENCH= 7944a2b777c28bf6ef2ff25cfcbc3735
RANDOM SEED=181462378

node42.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		: 3000.283
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		: 3000.283
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:       1688048 kB
Buffers:         44432 kB
Cached:         166096 kB
SwapCached:          0 kB
Active:         197948 kB
Inactive:       116196 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1688048 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2556 kB
Writeback:           0 kB
Mapped:         124052 kB
Slab:            38964 kB
Committed_AS:  1009040 kB
PageTables:       1960 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= 66304 MiB
End job on node42 at 2009-07-12 17:04:24