Trace number 2093298

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 0.815875 0.840367

DiagnosticValue
CHECKS5952
NODES0

General information on the benchmark

Namecsp/BH-4-4/
normalized-BlackHole-4-4-e-8_ext.xml
MD5SUMd617cfe5317d8e25ec0bc203c2118281
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.017996
Satisfiable
(Un)Satisfiability was proved
Number of variables64
Number of constraints431
Maximum constraint arity2
Maximum domain size16
Number of constraints which are defined in extension431
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data 

0.00/0.08	
0.00/0.08	Abscon 112 (May, 2008)
0.18/0.24	
0.18/0.24	   configuration
0.18/0.24	     name=esac.xml
0.18/0.27	   
0.18/0.27	   instance
0.18/0.27	     name=HOME/instance-2093298-1247401156.xml
0.29/0.31	   
0.29/0.31	   domains being loaded...
0.29/0.32	   
0.29/0.32	   variables being loaded...
0.29/0.35	     nbVariables=64  nbDomainTypes=4  minDomainSize=1  maxDomainSize=16  nbTotalValues=674
0.29/0.35	       =>  wckTime=0.108  cpuTime=0.09  mem=7M892
0.29/0.35	   
0.29/0.35	   relations being loaded...
0.29/0.36	   
0.29/0.36	   constraints being loaded...
0.49/0.58	     nbConstraints=436  nbRelationTypes=8  nbGlobalConstraints=5  nbSingletonDomainVariables=2
0.49/0.59	     nbDisconnectedVariables=1  nbExtensionStructures=9  nbSharedExtensionStructures=422  nbConflictsStructures=9
0.49/0.59	     nbSharedConflictsStructures=422  nbSharedBinaryRepresentations=120  minDegree=0  maxDegree=33  minArity=2
0.49/0.59	     avgArity=2.07  maxArity=16  nbGenerators=4  nbFusions=0  symmetryWckTime=0.071  symmetryCpuTime=0.05  nbCliques=1
0.49/0.59	       =>  wckTime=0.334  cpuTime=0.23  mem=14M776
0.58/0.64	   
0.58/0.64	   solver IterativeSystematicSolver being built... 
0.68/0.70	   
0.68/0.71	   INFO : Forward propagation technique limited 
0.68/0.78	       =>  wckTime=0.542  cpuTime=0.35  mem=19M845
0.78/0.80	   
0.78/0.80	   preprocessing
0.78/0.80	     nbConstraintChecks=5952  nbPropagations=62  nbRevisions=580  nbUselessRevisions=481  nbRemovedValues=260
0.78/0.80	     detectedInconsistency=yes
0.78/0.80	       =>  wckTime=0.017  cpuTime=0.01  mem=19M845
0.78/0.80	   
0.78/0.80	   global
0.78/0.80	     nbConstraintChecks=5952  nbPropagations=62  nbRevisions=580  nbUselessRevisions=481  nbRestartNogoods=0
0.78/0.80	     solvingWckTime=0.019  solvingCpuTime=0.01  expiredTime=no  totalExploration=yes  nbFoundSolutions=0
0.78/0.81	     globalCpuTime=0.41
0.78/0.81	       =>  wckTime=0.565  cpuTime=0.36  mem=19M845
0.78/0.81	   
0.78/0.81	s UNSATISFIABLE
0.78/0.81	d NODES 0
0.78/0.81	d CHECKS 5952
0.78/0.81	   
0.78/0.81	   totalWckTime=0.631  totalCpuTime=0.42

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-2093298-1247401156/watcher-2093298-1247401156 -o /tmp/evaluation-result-2093298-1247401156/solver-2093298-1247401156 -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-2093298-1247401156.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: 0.22 0.05 0.02 4/80 2637
/proc/meminfo: memFree=1727024/2055920 swapFree=4192812/4192956
[pid=2637] ppid=2635 vsize=152 CPUtime=0
/proc/2637/stat : 2637 (java) R 2635 2637 2490 0 -1 0 205 0 0 0 0 0 0 0 18 0 1 0 27179226 155648 26 996147200 134512640 134550932 4294955968 18446744073709551615 7918372 0 0 4096 0 0 0 0 17 0 0 0
/proc/2637/statm: 50 33 26 9 0 4 0

[startup+0.096156 s]
/proc/loadavg: 0.22 0.05 0.02 4/80 2637
/proc/meminfo: memFree=1727024/2055920 swapFree=4192812/4192956
[pid=2637] ppid=2635 vsize=865980 CPUtime=0.09
/proc/2637/stat : 2637 (java) S 2635 2637 2490 0 -1 0 3743 0 1 0 7 2 0 0 18 0 9 0 27179226 886763520 3211 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/2637/statm: 216495 3211 1700 9 0 210980 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 865980

[startup+0.101155 s]
/proc/loadavg: 0.22 0.05 0.02 4/80 2637
/proc/meminfo: memFree=1727024/2055920 swapFree=4192812/4192956
[pid=2637] ppid=2635 vsize=865980 CPUtime=0.09
/proc/2637/stat : 2637 (java) S 2635 2637 2490 0 -1 0 3812 0 1 0 7 2 0 0 18 0 9 0 27179226 886763520 3262 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/2637/statm: 216495 3264 1721 9 0 210980 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 865980

[startup+0.301173 s]
/proc/loadavg: 0.22 0.05 0.02 4/80 2637
/proc/meminfo: memFree=1727024/2055920 swapFree=4192812/4192956
[pid=2637] ppid=2635 vsize=866380 CPUtime=0.29
/proc/2637/stat : 2637 (java) S 2635 2637 2490 0 -1 0 6095 0 1 0 26 3 0 0 18 0 9 0 27179226 887173120 5461 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/2637/statm: 216595 5461 1987 9 0 211053 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 866380

[startup+0.701212 s]
/proc/loadavg: 0.22 0.05 0.02 4/80 2637
/proc/meminfo: memFree=1727024/2055920 swapFree=4192812/4192956
[pid=2637] ppid=2635 vsize=867608 CPUtime=0.68
/proc/2637/stat : 2637 (java) S 2635 2637 2490 0 -1 0 12621 182 1 0 62 6 0 0 18 0 10 0 27179226 888430592 8544 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/2637/statm: 216902 8544 2652 9 0 211338 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 867608

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

[startup+0.801219 s]
/proc/loadavg: 0.22 0.05 0.02 4/80 2637
/proc/meminfo: memFree=1727024/2055920 swapFree=4192812/4192956
[pid=2637] ppid=2635 vsize=867608 CPUtime=0.78
/proc/2637/stat : 2637 (java) S 2635 2637 2490 0 -1 0 15381 182 1 0 71 7 0 0 18 0 10 0 27179226 888430592 10141 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/2637/statm: 216902 10141 2655 9 0 211338 0
Current children cumulated CPU time (s) 0.78
Current children cumulated vsize (KiB) 867608

Child status: 0
Real time (s): 0.840367
CPU time (s): 0.815875
CPU user time (s): 0.730888
CPU system time (s): 0.084987
CPU usage (%): 97.0856
Max. virtual memory (cumulated for all children) (KiB): 867608

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.730888
system time used= 0.084987
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15890
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= 665
involuntary context switches= 707

runsolver used 0.004999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node50 at 2009-07-12 14:19:16
IDJOB=2093298
IDBENCH=53502
IDSOLVER=774
FILE ID=node50/2093298-1247401156
PBS_JOBID= 9510546
Free space on /tmp= 66428 MiB

SOLVER NAME= Abscon 112v4 ESAC
BENCH NAME= CPAI08/csp/BH-4-4/normalized-BlackHole-4-4-e-8_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-2093298-1247401156/watcher-2093298-1247401156 -o /tmp/evaluation-result-2093298-1247401156/solver-2093298-1247401156 -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-2093298-1247401156.xml

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

MD5SUM BENCH= d617cfe5317d8e25ec0bc203c2118281
RANDOM SEED=895175559

node50.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		: 3000.231
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		: 3000.231
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:       1727504 kB
Buffers:         41856 kB
Cached:         133788 kB
SwapCached:          0 kB
Active:         183644 kB
Inactive:        83516 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1727504 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            5040 kB
Writeback:           0 kB
Mapped:         112000 kB
Slab:            46416 kB
Committed_AS:  1025308 kB
PageTables:       2024 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= 66424 MiB
End job on node50 at 2009-07-12 14:19:17