Trace number 192058

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 ACSAT 0.728888 0.883512

DiagnosticValue
CHECKS5925
NODES46

General information on the benchmark

Namequeens/
queens-15.xml
MD5SUM66cfbb366fd757c154897a4ec394725f
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.016996
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables15
Number of constraints105
Maximum constraint arity2
Maximum domain size15
Number of constraints which are defined in extension0
Number of constraints which are defined in intension105
Global constraints used (with number of constraints)

Solver Data (download as text)

0.42	   
0.42	Abscon 109 (November, 2006)
0.42	   
0.42	   configuration
0.42	     name=mac.xml
0.45	   
0.45	   instance
0.45	     name=/tmp/evaluation/192058-1168069107/unknown.xml
0.48	   
0.48	   domains being loaded...
0.48	   
0.49	   variables being loaded...
0.52	     nbVariables=15  nbDomainTypes=1  minDomainSize=15  maxDomainSize=15
0.52	       =>  wckTime=0.093  cpuTime=0.07  mem=6M951
0.52	   
0.52	   predicates being loaded...
0.52	   
0.52	   constraints being loaded...
0.63	     nbConstraints=105  nbConvertedConstraints=105  nbConvertConstraintsChecks=3150  nbExtensionStructures=14
0.63	     nbSharedExtensionStructures=91  nbConflictsStructures=14  nbSharedConflictsStructures=91
0.63	     nbSharedBinaryRepresentations=283  maxDegree=14  maxArity=2
0.63	       =>  wckTime=0.203  cpuTime=0.16  mem=8M902
0.66	   
0.66	   solver IterativeSystematicSolver being built... 
0.81	       =>  wckTime=0.39  cpuTime=0.28  mem=13M454
0.82	   
0.82	   preprocessing
0.82	     nbConstraintChecks=0  nbPropagations=15  nbRevisions=0  nbUselessRevisions=0  nbRemovedValues=0
0.82	     detectedInconsistency=no
0.82	       =>  wckTime=0.0010  cpuTime=0.0  mem=13M454
0.85	   
0.85	   search
0.85	     run=0  nbConstraintChecks=4808  nbPropagations=305  nbRevisions=1353  nbUselessRevisions=849  nbAssignments=31
0.85	     nbFailedAssignments=15  nbBacktracks=10  nbVisitedNodes=54  nbRestartNogoods=0  mapSize=10  nbInferences=0
0.85	     nbTooLargeKeys=0
0.85	       =>  wckTime=0.035  cpuTime=0.03  mem=13M454
0.86	   
0.86	   search
0.86	     run=1  nbConstraintChecks=5925  nbPropagations=703  nbRevisions=2859  nbUselessRevisions=1760  nbAssignments=46
0.86	     nbFailedAssignments=15  nbBacktracks=10  nbVisitedNodes=69  nbRestartNogoods=2  mapSize=10  nbInferences=0
0.86	     nbTooLargeKeys=0
0.86	       =>  wckTime=0.043  cpuTime=0.03  mem=13M454
0.86	   
0.86	   global
0.86	     nbConstraintChecks=5925  nbPropagations=718  nbRevisions=2859  nbUselessRevisions=1760  nbRestartNogoods=2
0.86	     solvingWckTime=0.044  solvingCpuTime=0.03  expiredTime=no  totalExploration=no  nbFoundSolutions=1
0.86	     globalCpuTime=0.37
0.86	       =>  wckTime=0.435  cpuTime=0.31  mem=13M454
0.86	   
0.86	s SATISFIABLE
0.86	v 7 5 8 12 4 15 11 6 1 10 13 3 14 9 2 
0.86	d NODES 46
0.86	d CHECKS 5925
0.86	   
0.86	   totalWckTime=0.512  totalCpuTime=0.37

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/node18/watcher-192058-1168069107 -o ROOT/results/node18/solver-192058-1168069107 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar mac.xml 1 XSax /tmp/evaluation/192058-1168069107/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: 1.40 1.78 1.87 4/86 19634
/proc/meminfo: memFree=1018832/2055920 swapFree=4192812/4192956
[pid=19633] ppid=19631 vsize=1784 CPUtime=0
/proc/19633/stat : 19633 (java) R 19631 19633 19454 0 -1 0 336 0 0 0 0 0 0 0 18 0 1 0 155305683 1826816 130 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 8129840 0 0 4096 0 0 0 0 17 0 0 0
/proc/19633/statm: 446 140 106 14 0 91 0

[startup+0.10861 s]
/proc/loadavg: 1.40 1.78 1.87 4/86 19634
/proc/meminfo: memFree=1018832/2055920 swapFree=4192812/4192956
[pid=19633] ppid=19631 vsize=906128 CPUtime=0.02
/proc/19633/stat : 19633 (java) R 19631 19633 19454 0 -1 0 1970 0 1 0 1 1 0 0 18 0 1 0 155305683 927875072 1719 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4155581175 0 4 0 7368 0 0 0 17 0 0 0
/proc/19633/statm: 226532 1719 990 14 0 214115 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 906128

[startup+0.516649 s]
/proc/loadavg: 1.40 1.78 1.87 4/86 19634
/proc/meminfo: memFree=1018832/2055920 swapFree=4192812/4192956
[pid=19633] ppid=19631 vsize=915328 CPUtime=0.37
/proc/19633/stat : 19633 (java) R 19631 19633 19454 0 -1 0 6086 0 1 0 33 4 0 0 22 0 8 0 155305683 937295872 5825 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/19633/statm: 228832 5825 2136 14 0 215302 0
Current children cumulated CPU time (s) 0.37
Current children cumulated vsize (KiB) 915328

Child status: 0
Real time (s): 0.883512
CPU time (s): 0.728888
CPU user time (s): 0.6549
CPU system time (s): 0.073988
CPU usage (%): 82.4989
Max. virtual memory (cumulated for all children) (KiB): 915460

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.6549
system time used= 0.073988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8378
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= 692
involuntary context switches= 744

runsolver used 0.002999 s user time and 0.009998 s system time

The end

Launcher Data (download as text)

Begin job on node18 on Sat Jan  6 07:38:30 UTC 2007


IDJOB= 192058
IDBENCH= 3088
FILE ID= node18/192058-1168069107

PBS_JOBID= 3475692

Free space on /tmp= 66286 MiB

BENCH NAME= HOME/pub/bench/CPAI06/queens/queens-15.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar mac.xml 1 XSax /tmp/evaluation/192058-1168069107/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node18/watcher-192058-1168069107 -o ROOT/results/node18/solver-192058-1168069107 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar mac.xml 1 XSax /tmp/evaluation/192058-1168069107/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  66cfbb366fd757c154897a4ec394725f

RANDOM SEED= 458147645

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:       1019248 kB
Buffers:         68492 kB
Cached:         558128 kB
SwapCached:          0 kB
Active:         651300 kB
Inactive:       287468 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1019248 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1856 kB
Writeback:           0 kB
Mapped:         334588 kB
Slab:            82512 kB
Committed_AS:  4168204 kB
PageTables:       2544 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= 66286 MiB



End job on node18 on Sat Jan  6 07:38:33 UTC 2007