Trace number 231712

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 0.925859 0.971714

DiagnosticValue
CHECKS134549
NODES150

General information on the benchmark

Namegeom/
geo50-20-d4-75-71_ext.xml
MD5SUM3251e7082d2e52b90af2cf3350edbd60
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 benchmark0.152976
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables50
Number of constraints400
Maximum constraint arity2
Maximum domain size20
Number of constraints which are defined in extension400
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.29	   
0.29	Abscon 109 (November, 2006)
0.29	   
0.29	   configuration
0.29	     name=esac.xml
0.32	   
0.32	   instance
0.32	     name=/tmp/evaluation/231712-1168318384/unknown.xml
0.35	   
0.35	   domains being loaded...
0.35	   
0.35	   variables being loaded...
0.39	     nbVariables=50  nbDomainTypes=1  minDomainSize=20  maxDomainSize=20
0.39	       =>  wckTime=0.097  cpuTime=0.08  mem=6M951
0.39	   
0.39	   relations being loaded...
0.50	   
0.50	   constraints being loaded...
0.62	     nbConstraints=400  nbRelationTypes=400  nbExtensionStructures=400  nbSharedExtensionStructures=0
0.62	     nbConflictsStructures=400  nbSharedConflictsStructures=0  nbSharedBinaryRepresentations=3599  maxDegree=25
0.62	     maxArity=2
0.62	       =>  wckTime=0.324  cpuTime=0.24  mem=14M885
0.66	   
0.66	   solver IterativeSystematicSolver being built... 
0.81	       =>  wckTime=0.521  cpuTime=0.37  mem=15M324
0.86	   
0.86	   preprocessing
0.86	     nbConstraintChecks=55525  nbPropagations=803  nbRevisions=5635  nbUselessRevisions=4646  nbSingletonTests=56
0.86	     nbEffectiveSingletonTests=0  nbESACBranches=5  nbRemovedValues=0  detectedInconsistency=no
0.86	       =>  wckTime=0.048  cpuTime=0.04  mem=15M324
0.88	   
0.88	   search
0.88	     run=0  nbConstraintChecks=17456  nbPropagations=1086  nbRevisions=7991  nbUselessRevisions=6514  nbAssignments=20
0.88	     nbFailedAssignments=2  nbBacktracks=11  nbVisitedNodes=25  nbRestartNogoods=0  mapSize=3  nbInferences=0
0.88	     nbTooLargeKeys=0
0.88	       =>  wckTime=0.066  cpuTime=0.05  mem=15M324
0.90	   
0.90	   search
0.90	     run=1  nbConstraintChecks=34312  nbPropagations=2521  nbRevisions=18556  nbUselessRevisions=15054  nbAssignments=59
0.90	     nbFailedAssignments=10  nbBacktracks=26  nbVisitedNodes=78  nbRestartNogoods=1  mapSize=15  nbInferences=0
0.90	     nbTooLargeKeys=0
0.90	       =>  wckTime=0.085  cpuTime=0.06  mem=15M324
0.91	   
0.91	   search
0.91	     run=2  nbConstraintChecks=60313  nbPropagations=4397  nbRevisions=32994  nbUselessRevisions=26672  nbAssignments=98
0.91	     nbFailedAssignments=16  nbBacktracks=48  nbVisitedNodes=127  nbRestartNogoods=2  mapSize=21  nbInferences=0
0.91	     nbTooLargeKeys=0
0.91	       =>  wckTime=0.095  cpuTime=0.07  mem=15M324
0.92	   
0.92	   search
0.92	     run=3  nbConstraintChecks=79024  nbPropagations=6605  nbRevisions=49583  nbUselessRevisions=40047
0.92	     nbAssignments=150  nbFailedAssignments=18  nbBacktracks=48  nbVisitedNodes=181  nbRestartNogoods=5  mapSize=21
0.92	     nbInferences=0  nbTooLargeKeys=0
0.92	       =>  wckTime=0.102  cpuTime=0.08  mem=15M324
0.92	   
0.92	   global
0.92	     nbConstraintChecks=134549  nbPropagations=7408  nbRevisions=55218  nbUselessRevisions=44693  nbRestartNogoods=5
0.92	     solvingWckTime=0.103  solvingCpuTime=0.08  expiredTime=no  totalExploration=no  nbFoundSolutions=1
0.92	     globalCpuTime=0.49
0.92	       =>  wckTime=0.626  cpuTime=0.45  mem=15M324
0.92	   
0.92	s SATISFIABLE
0.92	v 7 19 16 5 17 15 9 14 6 17 7 18 1 6 9 15 12 4 18 18 11 18 17 9 14 16 4 8 14 19 19 7 2 6 9 5 19 19 1 1 20 2 14 6 11 5 7 16 14 6 
0.92	d NODES 150
0.92	d CHECKS 134549
0.92	   
0.92	   totalWckTime=0.704  totalCpuTime=0.49

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/node75/watcher-231712-1168318384 -o ROOT/results/node75/solver-231712-1168318384 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/231712-1168318384/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: 0.90 0.90 1.14 5/82 19305
/proc/meminfo: memFree=1418624/2055920 swapFree=4184508/4192956
[pid=19304] ppid=19302 vsize=1784 CPUtime=0
/proc/19304/stat : 19304 (java) D 19302 19304 19045 0 -1 0 169 0 0 0 0 0 0 0 20 0 1 0 180237776 1826816 140 18446744073709551615 134512640 134570532 4294956624 18446744073709551615 4294960144 0 2147483391 4096 0 18446744072099855350 0 0 17 1 0 0
/proc/19304/statm: 446 140 106 14 0 91 0

[startup+0.107103 s]
/proc/loadavg: 0.90 0.90 1.14 5/82 19305
/proc/meminfo: memFree=1418624/2055920 swapFree=4184508/4192956
[pid=19304] ppid=19302 vsize=914988 CPUtime=0.09
/proc/19304/stat : 19304 (java) R 19302 19304 19045 0 -1 0 3084 0 1 0 8 1 0 0 17 0 8 0 180237776 936947712 2830 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4152819938 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/19304/statm: 228747 2830 1455 14 0 215242 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 914988

[startup+0.515152 s]
/proc/loadavg: 0.90 0.90 1.14 5/82 19305
/proc/meminfo: memFree=1418624/2055920 swapFree=4184508/4192956
[pid=19304] ppid=19302 vsize=915328 CPUtime=0.5
/proc/19304/stat : 19304 (java) R 19302 19304 19045 0 -1 0 7087 0 1 0 45 5 0 0 18 0 8 0 180237776 937295872 6826 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4072944238 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/19304/statm: 228832 6826 2138 14 0 215302 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 915328

Child status: 0
Real time (s): 0.971714
CPU time (s): 0.925859
CPU user time (s): 0.840872
CPU system time (s): 0.084987
CPU usage (%): 95.281
Max. virtual memory (cumulated for all children) (KiB): 915456

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.840872
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= 8835
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= 663
involuntary context switches= 746

runsolver used 0.001999 s user time and 0.007998 s system time

The end

Launcher Data (download as text)

Begin job on node75 on Tue Jan  9 04:53:04 UTC 2007


IDJOB= 231712
IDBENCH= 6481
FILE ID= node75/231712-1168318384

PBS_JOBID= 3502840

Free space on /tmp= 66555 MiB

BENCH NAME= HOME/pub/bench/CPAI06/geom/geo50-20-d4-75-71_ext.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/231712-1168318384/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node75/watcher-231712-1168318384 -o ROOT/results/node75/solver-231712-1168318384 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/231712-1168318384/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  3251e7082d2e52b90af2cf3350edbd60

RANDOM SEED= 136866769

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		: 3000.218
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		: 3000.218
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1419104 kB
Buffers:         64504 kB
Cached:         425252 kB
SwapCached:       2700 kB
Active:         233836 kB
Inactive:       345448 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1419104 kB
SwapTotal:     4192956 kB
SwapFree:      4184508 kB
Dirty:            5860 kB
Writeback:           0 kB
Mapped:         104464 kB
Slab:            42628 kB
Committed_AS:  4931324 kB
PageTables:       2048 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= 66555 MiB



End job on node75 on Tue Jan  9 04:53:05 UTC 2007