Trace number 277966

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
AbsconMax 109 EPFCSAT 1.06984 1.15148

General information on the benchmark

NameMaxCSP/cnf/3-80-100-1000/
cnf-3-80-300-186941_ext.xml
MD5SUM4714e1e3c53070fca28610038ec4677a
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkSAT
Best Number of satisfied constraints300
Best CPU time to get the best result obtained on this benchmark0.139978
SatisfiableYES
(Un)Satisfiability was proved
Number of variables80
Number of constraints300
Maximum constraint arity3
Maximum domain size2
Number of constraints which are defined in extension300
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data (download as text)

0.31	   
0.31	Abscon 109 (November, 2006)
0.31	   
0.31	   configuration
0.32	     name=epfc.xml
0.35	   
0.35	   instance
0.35	     name=/tmp/evaluation/277966-1169273199/unknown.xml
0.38	   
0.38	   domains being loaded...
0.38	   
0.38	   variables being loaded...
0.42	     nbVariables=80  nbDomainTypes=1  minDomainSize=2  maxDomainSize=2
0.42	       =>  wckTime=0.102  cpuTime=0.08  mem=6M887
0.42	   
0.42	   relations being loaded...
0.42	   
0.42	   constraints being loaded...
0.52	     nbConstraints=300  nbRelationTypes=8  nbExtensionStructures=8  nbSharedExtensionStructures=292
0.52	     nbConflictsStructures=8  nbSharedConflictsStructures=292  nbSharedBinaryRepresentations=0  maxDegree=20  maxArity=3
0.52	       =>  wckTime=0.205  cpuTime=0.14  mem=8M854
0.56	   
0.56	   solver LocalSearchSolver being built... 
0.60	       =>  wckTime=0.285  cpuTime=0.19  mem=5M532
0.60	
0.60	s SATISFIABLE
0.60	o 267
0.60	c 33
0.61	o 270
0.61	c 30
0.61	o 273
0.61	c 27
0.61	o 276
0.61	c 24
0.61	o 278
0.61	c 22
0.61	o 280
0.61	c 20
0.61	o 282
0.61	c 18
0.61	o 283
0.61	c 17
0.61	o 284
0.61	c 16
0.61	o 285
0.61	c 15
0.61	o 286
0.62	c 14
0.62	o 287
0.62	c 13
0.62	o 288
0.62	c 12
0.63	o 290
0.63	c 10
0.63	o 291
0.63	c 9
0.63	o 292
0.63	c 8
0.63	o 293
0.63	c 7
0.63	o 294
0.63	c 6
0.63	o 295
0.63	c 5
0.63	o 296
0.63	c 4
0.64	o 297
0.64	c 3
0.64	o 298
0.64	c 2
0.64	o 299
0.64	c 1
0.64	   
0.64	   search
0.64	     run=0  nbConstraintChecks=14922  nbAssignments=132
0.64	       =>  wckTime=0.042  cpuTime=0.02  mem=5M532
0.64	   
0.64	   global
0.64	     nbConstraintChecks=14922  nbValidityChecks=0  nbPropagations=0  nbRevisions=0  nbUselessRevisions=0
0.64	     solvingWckTime=0.041  solvingCpuTime=0.02  expiredTime=no  totalExploration=no  nbFoundSolutions=0
0.64	     globalCpuTime=0.27
0.64	       =>  wckTime=0.327  cpuTime=0.21  mem=5M532
0.64	   
0.64	   solver IterativeSystematicSolver being built... 
0.81	       =>  wckTime=0.493  cpuTime=0.34  mem=18M607
0.88	   
0.88	   preprocessing
0.88	     nbConstraintChecks=881  nbValidityChecks=2163  nbPropagations=0  nbRevisions=0  nbUselessRevisions=0
0.88	     nbRemovedValues=0  detectedInconsistency=no
0.88	       =>  wckTime=0.07  cpuTime=0.04  mem=18M607
0.92	   
0.92	   search
0.92	     run=0  nbConstraintChecks=920  nbValidityChecks=3981  nbPropagations=0  nbRevisions=0  nbUselessRevisions=0
0.92	     nbAssignments=29  nbFailedAssignments=6  nbBacktracks=11  nbVisitedNodes=36  nbRestartNogoods=0
0.92	       =>  wckTime=0.102  cpuTime=0.07  mem=18M607
0.94	   
0.94	   search
0.94	     run=1  nbConstraintChecks=1526  nbValidityChecks=10753  nbPropagations=0  nbRevisions=0  nbUselessRevisions=0
0.94	     nbAssignments=70  nbFailedAssignments=10  nbBacktracks=27  nbVisitedNodes=81  nbRestartNogoods=2
0.94	       =>  wckTime=0.131  cpuTime=0.09  mem=18M607
0.96	   
0.96	   search
0.96	     run=2  nbConstraintChecks=2312  nbValidityChecks=17163  nbPropagations=0  nbRevisions=0  nbUselessRevisions=0
0.96	     nbAssignments=109  nbFailedAssignments=14  nbBacktracks=57  nbVisitedNodes=125  nbRestartNogoods=4
0.96	       =>  wckTime=0.148  cpuTime=0.11  mem=18M607
0.98	   
0.98	   search
0.98	     run=3  nbConstraintChecks=3598  nbValidityChecks=23972  nbPropagations=0  nbRevisions=0  nbUselessRevisions=0
0.98	     nbAssignments=159  nbFailedAssignments=25  nbBacktracks=91  nbVisitedNodes=189  nbRestartNogoods=6
0.98	       =>  wckTime=0.172  cpuTime=0.13  mem=18M607
1.02	   
1.02	   search
1.02	     run=4  nbConstraintChecks=5658  nbValidityChecks=35553  nbPropagations=0  nbRevisions=0  nbUselessRevisions=0
1.02	     nbAssignments=241  nbFailedAssignments=38  nbBacktracks=144  nbVisitedNodes=287  nbRestartNogoods=9
1.02	       =>  wckTime=0.207  cpuTime=0.16  mem=18M607
1.07	o 300
1.07	c 0
1.08	   
1.08	   search
1.08	     run=5  nbConstraintChecks=14105  nbValidityChecks=73097  nbPropagations=0  nbRevisions=0  nbUselessRevisions=0
1.08	     nbAssignments=384  nbFailedAssignments=61  nbBacktracks=264  nbVisitedNodes=462  nbRestartNogoods=12
1.08	       =>  wckTime=0.266  cpuTime=0.22  mem=18M607
1.08	   
1.08	   search
1.08	     run=5  nbConstraintChecks=14105  nbValidityChecks=73097  nbPropagations=0  nbRevisions=0  nbUselessRevisions=0
1.08	     nbAssignments=384  nbFailedAssignments=61  nbBacktracks=264  nbVisitedNodes=462  nbRestartNogoods=12
1.08	       =>  wckTime=0.266  cpuTime=0.22  mem=18M607
1.08	   
1.08	   global
1.08	     nbConstraintChecks=14986  nbValidityChecks=75260  nbRestartNogoods=12  solvingWckTime=0.268  solvingCpuTime=0.22
1.08	     expiredTime=no  totalExploration=yes  nbFoundSolutions=1  globalCpuTime=0.62
1.08	       =>  wckTime=0.763  cpuTime=0.56  mem=18M607
1.08	
1.08	s OPTIMUM FOUND
1.08	v 1 1 1 0 1 0 0 0 0 0 1 0 1 0 0 1 1 1 0 0 0 0 1 0 1 0 1 1 1 1 0 0 1 0 0 1 1 1 1 0 0 1 1 1 1 0 0 1 1 1 1 0 0 1 0 0 1 1 0 1 1 1 0 0 1 1 1 0 1 1 1 1 0 1 1 0 0 0 1 0 
1.08	   
1.08	   totalWckTime=0.843  totalCpuTime=0.62

Verifier Data (download as text)

0 unsatisfied constraints, 300 satisfied constraints

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node44/watcher-277966-1169273199 -o ROOT/results/node44/solver-277966-1169273199 -C 2400 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar epfc.xml 1 XSax /tmp/evaluation/277966-1169273199/unknown.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 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: 2.00 2.00 2.00 3/80 15191
/proc/meminfo: memFree=1252752/2055920 swapFree=4191892/4192956
[pid=15190] ppid=15188 vsize=18540 CPUtime=0
/proc/15190/stat : 15190 (runsolver) R 15188 15190 14423 0 -1 4194368 17 0 0 0 0 0 0 0 19 0 1 0 275718944 18984960 279 18446744073709551615 4194304 4267372 548682068960 18446744073709551615 264840473895 0 2147483391 4096 24578 0 0 0 17 1 0 0
/proc/15190/statm: 4635 279 244 17 0 2626 0

[startup+0.108483 s]
/proc/loadavg: 2.00 2.00 2.00 3/80 15191
/proc/meminfo: memFree=1252752/2055920 swapFree=4191892/4192956
[pid=15190] ppid=15188 vsize=914988 CPUtime=0.08
/proc/15190/stat : 15190 (java) R 15188 15190 14423 0 -1 0 2983 0 1 0 7 1 0 0 17 0 8 0 275718944 936947712 2729 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4153550169 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/15190/statm: 228747 2729 1424 14 0 215242 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 914988

[startup+0.520523 s]
/proc/loadavg: 2.00 2.00 2.00 3/80 15191
/proc/meminfo: memFree=1252752/2055920 swapFree=4191892/4192956
[pid=15190] ppid=15188 vsize=915332 CPUtime=0.49
/proc/15190/stat : 15190 (java) R 15188 15190 14423 0 -1 0 6497 0 1 0 44 5 0 0 18 0 8 0 275718944 937299968 6236 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/15190/statm: 228833 6236 2159 14 0 215303 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 915332

Child status: 0
Real time (s): 1.15148
CPU time (s): 1.06984
CPU user time (s): 0.98085
CPU system time (s): 0.088986
CPU usage (%): 92.9093
Max. virtual memory (cumulated for all children) (KiB): 915956

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.98085
system time used= 0.088986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9688
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= 952
involuntary context switches= 1144

runsolver used 0.005999 s user time and 0.015997 s system time

The end

Launcher Data (download as text)

Begin job on node44 on Sat Jan 20 06:06:39 UTC 2007


IDJOB= 277966
IDBENCH= 7873
IDSOLVER= 68
FILE ID= node44/277966-1169273199

PBS_JOBID= 3607428

Free space on /tmp= 66561 MiB

SOLVER NAME= AbsconMax 109 EPFC
BENCH NAME= HOME/pub/bench/CPAI06/MaxCSP/cnf/3-80-100-1000/cnf-3-80-300-186941_ext.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar epfc.xml 1 XSax /tmp/evaluation/277966-1169273199/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node44/watcher-277966-1169273199 -o ROOT/results/node44/solver-277966-1169273199 -C 2400 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar epfc.xml 1 XSax /tmp/evaluation/277966-1169273199/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  4714e1e3c53070fca28610038ec4677a

RANDOM SEED= 33547596

TIME LIMIT= 2400 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		: 3000.213
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		: 3000.213
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:       1253232 kB
Buffers:         54884 kB
Cached:         619476 kB
SwapCached:        268 kB
Active:         219056 kB
Inactive:       505488 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1253232 kB
SwapTotal:     4192956 kB
SwapFree:      4191892 kB
Dirty:            1676 kB
Writeback:           0 kB
Mapped:          69196 kB
Slab:            63440 kB
Committed_AS:  5812720 kB
PageTables:       1872 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= 66561 MiB



End job on node44 on Sat Jan 20 06:06:40 UTC 2007