Trace number 231921

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, and are wall clock time (not CPU 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 109 ESACSAT 0.931857 0.97844

DiagnosticValue
CHECKS143349
NODES112

General information on the benchmark

Namegeom/
geo50-20-d4-75-22_ext.xml
MD5SUMd20ccbe7f43dd4711fe776c6d108ca04
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.236963
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables50
Number of constraints435
Maximum constraint arity2
Maximum domain size20
Number of constraints which are defined in extension435
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.30	   
0.30	Abscon 109 (November, 2006)
0.30	   
0.30	   configuration
0.30	     name=esac.xml
0.33	   
0.33	   instance
0.33	     name=/tmp/evaluation/231921-1168318850/unknown.xml
0.36	   
0.36	   domains being loaded...
0.36	   
0.36	   variables being loaded...
0.40	     nbVariables=50  nbDomainTypes=1  minDomainSize=20  maxDomainSize=20
0.40	       =>  wckTime=0.098  cpuTime=0.08  mem=6M951
0.40	   
0.40	   relations being loaded...
0.52	   
0.52	   constraints being loaded...
0.64	     nbConstraints=435  nbRelationTypes=435  nbExtensionStructures=435  nbSharedExtensionStructures=0
0.64	     nbConflictsStructures=435  nbSharedConflictsStructures=0  nbSharedBinaryRepresentations=4226  maxDegree=29
0.64	     maxArity=2
0.64	       =>  wckTime=0.339  cpuTime=0.25  mem=14M753
0.68	   
0.68	   solver IterativeSystematicSolver being built... 
0.83	       =>  wckTime=0.534  cpuTime=0.38  mem=15M381
0.89	   
0.89	   preprocessing
0.89	     nbConstraintChecks=61371  nbPropagations=880  nbRevisions=6065  nbUselessRevisions=4935  nbSingletonTests=56
0.89	     nbEffectiveSingletonTests=0  nbESACBranches=6  nbRemovedValues=0  detectedInconsistency=no
0.89	       =>  wckTime=0.048  cpuTime=0.03  mem=15M381
0.91	   
0.91	   search
0.91	     run=0  nbConstraintChecks=33056  nbPropagations=1346  nbRevisions=10619  nbUselessRevisions=8577  nbAssignments=31
0.91	     nbFailedAssignments=7  nbBacktracks=10  nbVisitedNodes=43  nbRestartNogoods=0  mapSize=6  nbInferences=0
0.91	     nbTooLargeKeys=0
0.91	       =>  wckTime=0.071  cpuTime=0.05  mem=15M381
0.93	   
0.93	   search
0.93	     run=1  nbConstraintChecks=81978  nbPropagations=3436  nbRevisions=27489  nbUselessRevisions=22186
0.93	     nbAssignments=112  nbFailedAssignments=12  nbBacktracks=23  nbVisitedNodes=118  nbRestartNogoods=5  mapSize=9
0.93	     nbInferences=0  nbTooLargeKeys=0
0.93	       =>  wckTime=0.095  cpuTime=0.06  mem=15M381
0.93	   
0.93	   global
0.93	     nbConstraintChecks=143349  nbPropagations=4316  nbRevisions=33554  nbUselessRevisions=27121  nbRestartNogoods=5
0.93	     solvingWckTime=0.096  solvingCpuTime=0.06  expiredTime=no  totalExploration=no  nbFoundSolutions=1
0.93	     globalCpuTime=0.51
0.93	       =>  wckTime=0.632  cpuTime=0.45  mem=15M381
0.94	   
0.94	s SATISFIABLE
0.94	v 7 11 8 6 9 17 9 19 10 13 19 20 15 2 19 14 12 7 19 16 1 14 11 11 5 13 11 3 17 14 17 14 15 12 18 6 12 9 20 8 8 9 18 6 13 12 11 10 11 8 
0.94	d NODES 112
0.94	d CHECKS 143349
0.94	   
0.94	   totalWckTime=0.707  totalCpuTime=0.51

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node52/watcher-231921-1168318850 -o ROOT/results/node52/solver-231921-1168318850 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/231921-1168318850/unknown.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 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

/proc/loadavg: 0.37 0.79 1.12 5/69 21339
/proc/meminfo: memFree=1484664/2055920 swapFree=4192812/4192956
[pid=21337] ppid=21335 vsize=18540 CPUtime=0
/proc/21337/stat : 21337 (runsolver) R 21335 21337 21039 0 -1 4194368 17 0 0 0 0 0 0 0 20 0 1 0 180283566 18984960 279 18446744073709551615 4194304 4267372 548682068960 18446744073709551615 273653755175 0 2147483391 4096 24578 0 0 0 17 0 0 0
/proc/21337/statm: 4635 279 244 17 0 2626 0

[startup+0.107325 s]
/proc/loadavg: 0.37 0.79 1.12 5/69 21339
/proc/meminfo: memFree=1484664/2055920 swapFree=4192812/4192956
[pid=21337] ppid=21335 vsize=914988 CPUtime=0.08
/proc/21337/stat : 21337 (java) R 21335 21337 21039 0 -1 0 2999 0 1 0 7 1 0 0 24 0 8 0 180283566 936947712 2745 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4072924295 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/21337/statm: 228747 2745 1428 14 0 215242 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 914988

[startup+0.515353 s]
/proc/loadavg: 0.37 0.79 1.12 5/69 21339
/proc/meminfo: memFree=1484664/2055920 swapFree=4192812/4192956
[pid=21337] ppid=21335 vsize=915328 CPUtime=0.49
/proc/21337/stat : 21337 (java) R 21335 21337 21039 0 -1 0 6960 0 1 0 46 3 0 0 16 0 8 0 180283566 937295872 6699 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4073567214 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/21337/statm: 228832 6700 2137 14 0 215302 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 915328

Child status: 0
Real time (s): 0.97844
CPU time (s): 0.931857
CPU user time (s): 0.876866
CPU system time (s): 0.054991
CPU usage (%): 95.2391
Max. virtual memory (cumulated for all children) (KiB): 915460

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.876866
system time used= 0.054991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8969
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= 719
involuntary context switches= 102

runsolver used 0.004999 s user time and 0.006998 s system time

The end

Launcher Data (download as text)

Begin job on node52 on Tue Jan  9 05:00:51 UTC 2007


IDJOB= 231921
IDBENCH= 6492
FILE ID= node52/231921-1168318850

PBS_JOBID= 3502853

Free space on /tmp= 66557 MiB

BENCH NAME= HOME/pub/bench/CPAI06/geom/geo50-20-d4-75-22_ext.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/231921-1168318850/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node52/watcher-231921-1168318850 -o ROOT/results/node52/solver-231921-1168318850 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/231921-1168318850/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  d20ccbe7f43dd4711fe776c6d108ca04

RANDOM SEED= 570532371

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/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		: 3000.232
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		: 3000.232
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:       1484944 kB
Buffers:         72424 kB
Cached:         417992 kB
SwapCached:          0 kB
Active:         197360 kB
Inactive:       313352 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1484944 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2632 kB
Writeback:           0 kB
Mapped:          30664 kB
Slab:            45804 kB
Committed_AS:  4160440 kB
PageTables:       1784 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= 66557 MiB



End job on node52 on Tue Jan  9 05:00:54 UTC 2007