Trace number 231142

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 1.00585 1.08401

DiagnosticValue
CHECKS197647
NODES156

General information on the benchmark

Namegeom/
geo50-20-d4-75-43_ext.xml
MD5SUM76c9822fcb4ea05bb30cd3d12a046a6f
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 benchmark0.142977
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables50
Number of constraints432
Maximum constraint arity2
Maximum domain size20
Number of constraints which are defined in extension432
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.32	   
0.32	Abscon 109 (November, 2006)
0.32	   
0.32	   configuration
0.32	     name=esac.xml
0.36	   
0.36	   instance
0.36	     name=/tmp/evaluation/231142-1168317604/unknown.xml
0.39	   
0.39	   domains being loaded...
0.39	   
0.39	   variables being loaded...
0.43	     nbVariables=50  nbDomainTypes=1  minDomainSize=20  maxDomainSize=20
0.43	       =>  wckTime=0.108  cpuTime=0.08  mem=6M951
0.43	   
0.43	   relations being loaded...
0.56	   
0.56	   constraints being loaded...
0.68	     nbConstraints=432  nbRelationTypes=432  nbExtensionStructures=432  nbSharedExtensionStructures=0
0.68	     nbConflictsStructures=432  nbSharedConflictsStructures=0  nbSharedBinaryRepresentations=4094  maxDegree=25
0.68	     maxArity=2
0.68	       =>  wckTime=0.363  cpuTime=0.26  mem=14M753
0.73	   
0.73	   solver IterativeSystematicSolver being built... 
0.89	       =>  wckTime=0.571  cpuTime=0.4  mem=15M379
0.95	   
0.95	   preprocessing
0.95	     nbConstraintChecks=67575  nbPropagations=962  nbRevisions=6890  nbUselessRevisions=5653  nbSingletonTests=63
0.95	     nbEffectiveSingletonTests=0  nbESACBranches=7  nbRemovedValues=0  detectedInconsistency=no
0.95	       =>  wckTime=0.054  cpuTime=0.04  mem=15M379
0.98	   
0.98	   search
0.98	     run=0  nbConstraintChecks=36771  nbPropagations=1450  nbRevisions=12971  nbUselessRevisions=10464  nbAssignments=26
0.98	     nbFailedAssignments=10  nbBacktracks=11  nbVisitedNodes=44  nbRestartNogoods=0  mapSize=10  nbInferences=0
0.98	     nbTooLargeKeys=0
0.98	       =>  wckTime=0.082  cpuTime=0.06  mem=15M379
1.00	   
1.00	   search
1.00	     run=1  nbConstraintChecks=64647  nbPropagations=3301  nbRevisions=30456  nbUselessRevisions=24582  nbAssignments=56
1.00	     nbFailedAssignments=17  nbBacktracks=29  nbVisitedNodes=87  nbRestartNogoods=1  mapSize=21  nbInferences=0
1.00	     nbTooLargeKeys=0
1.00	       =>  wckTime=0.101  cpuTime=0.07  mem=15M379
1.01	   
1.01	   search
1.01	     run=2  nbConstraintChecks=109385  nbPropagations=5831  nbRevisions=55179  nbUselessRevisions=44510
1.01	     nbAssignments=104  nbFailedAssignments=29  nbBacktracks=55  nbVisitedNodes=157  nbRestartNogoods=2  mapSize=36
1.01	     nbInferences=0  nbTooLargeKeys=0
1.01	       =>  wckTime=0.113  cpuTime=0.08  mem=15M379
1.02	   
1.02	   search
1.02	     run=3  nbConstraintChecks=130072  nbPropagations=8738  nbRevisions=82531  nbUselessRevisions=66645
1.02	     nbAssignments=156  nbFailedAssignments=31  nbBacktracks=55  nbVisitedNodes=211  nbRestartNogoods=4  mapSize=36
1.02	     nbInferences=0  nbTooLargeKeys=0
1.02	       =>  wckTime=0.121  cpuTime=0.09  mem=15M379
1.02	   
1.02	   global
1.02	     nbConstraintChecks=197647  nbPropagations=9700  nbRevisions=89421  nbUselessRevisions=72298  nbRestartNogoods=4
1.02	     solvingWckTime=0.122  solvingCpuTime=0.09  expiredTime=no  totalExploration=no  nbFoundSolutions=1
1.02	     globalCpuTime=0.56
1.02	       =>  wckTime=0.696  cpuTime=0.49  mem=15M379
1.02	   
1.02	s SATISFIABLE
1.02	v 4 13 20 14 17 17 7 5 17 5 8 1 8 1 5 10 11 4 11 17 4 12 14 4 2 3 15 8 17 14 2 7 20 20 7 12 15 3 11 13 9 8 18 20 12 7 20 19 15 3 
1.02	d NODES 156
1.02	d CHECKS 197647
1.02	   
1.02	   totalWckTime=0.778  totalCpuTime=0.57

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/node9/watcher-231142-1168317604 -o ROOT/results/node9/solver-231142-1168317604 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/231142-1168317604/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: 1.50 1.67 1.78 4/88 811
/proc/meminfo: memFree=1575992/2055920 swapFree=4191880/4192956
[pid=810] ppid=808 vsize=18540 CPUtime=0
/proc/810/stat : 810 (runsolver) R 808 810 743 0 -1 4194368 17 0 0 0 0 0 0 0 18 0 1 0 180155563 18984960 279 18446744073709551615 4194304 4267372 548682068944 18446744073709551615 215418989863 0 2147483391 4096 24578 0 0 0 17 1 0 0
/proc/810/statm: 4635 279 244 17 0 2626 0

[startup+0.107708 s]
/proc/loadavg: 1.50 1.67 1.78 4/88 811
/proc/meminfo: memFree=1575992/2055920 swapFree=4191880/4192956
[pid=810] ppid=808 vsize=914988 CPUtime=0.08
/proc/810/stat : 810 (java) R 808 810 743 0 -1 0 2979 0 1 0 6 2 0 0 17 0 8 0 180155563 936947712 2725 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4072936456 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/810/statm: 228747 2725 1423 14 0 215242 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 914988

[startup+0.515752 s]
/proc/loadavg: 1.50 1.67 1.78 4/88 811
/proc/meminfo: memFree=1575992/2055920 swapFree=4191880/4192956
[pid=810] ppid=808 vsize=915328 CPUtime=0.48
/proc/810/stat : 810 (java) R 808 810 743 0 -1 0 6729 0 1 0 44 4 0 0 18 0 8 0 180155563 937295872 6468 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4072935665 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/810/statm: 228832 6468 2137 14 0 215302 0
Current children cumulated CPU time (s) 0.48
Current children cumulated vsize (KiB) 915328

Child status: 0
Real time (s): 1.08401
CPU time (s): 1.00585
CPU user time (s): 0.935857
CPU system time (s): 0.069989
CPU usage (%): 92.789
Max. virtual memory (cumulated for all children) (KiB): 915460

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.935857
system time used= 0.069989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8967
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= 943
involuntary context switches= 1000

runsolver used 0.001999 s user time and 0.006998 s system time

The end

Launcher Data (download as text)

Begin job on node9 on Tue Jan  9 04:40:04 UTC 2007


IDJOB= 231142
IDBENCH= 6451
FILE ID= node9/231142-1168317604

PBS_JOBID= 3502588

Free space on /tmp= 66546 MiB

BENCH NAME= HOME/pub/bench/CPAI06/geom/geo50-20-d4-75-43_ext.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/231142-1168317604/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node9/watcher-231142-1168317604 -o ROOT/results/node9/solver-231142-1168317604 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/231142-1168317604/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  76c9822fcb4ea05bb30cd3d12a046a6f

RANDOM SEED= 646495516

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		: 3000.231
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:       1576408 kB
Buffers:         51824 kB
Cached:         318092 kB
SwapCached:        276 kB
Active:         214544 kB
Inactive:       206080 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1576408 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            2216 kB
Writeback:           0 kB
Mapped:          64008 kB
Slab:            43660 kB
Committed_AS:  5234184 kB
PageTables:       2320 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= 66546 MiB



End job on node9 on Tue Jan  9 04:40:06 UTC 2007