Trace number 200751

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 0.98085 1.02027

DiagnosticValue
CHECKS81241
NODES121

General information on the benchmark

Namecomposed/composed-25-10-20/
composed-25-10-20-8_ext.xml
MD5SUM84c52a425875f6f365f5b88a33367662
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 benchmark0.053991
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables105
Number of constraints620
Maximum constraint arity2
Maximum domain size10
Number of constraints which are defined in extension620
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/200751-1168143373/unknown.xml
0.36	   
0.36	   domains being loaded...
0.36	   
0.36	   variables being loaded...
0.40	     nbVariables=105  nbDomainTypes=1  minDomainSize=10  maxDomainSize=10
0.40	       =>  wckTime=0.106  cpuTime=0.09  mem=6M951
0.40	   
0.40	   relations being loaded...
0.50	   
0.50	   constraints being loaded...
0.64	     nbConstraints=620  nbRelationTypes=620  nbExtensionStructures=620  nbSharedExtensionStructures=0
0.64	     nbConflictsStructures=620  nbSharedConflictsStructures=0  nbSharedBinaryRepresentations=11390  maxDegree=30
0.64	     maxArity=2
0.64	       =>  wckTime=0.341  cpuTime=0.24  mem=12M803
0.68	   
0.68	   solver IterativeSystematicSolver being built... 
0.84	       =>  wckTime=0.546  cpuTime=0.37  mem=15M194
0.93	   
0.93	   preprocessing
0.93	     nbConstraintChecks=68641  nbPropagations=2677  nbRevisions=11123  nbUselessRevisions=8017  nbSingletonTests=372
0.93	     nbEffectiveSingletonTests=9  nbESACBranches=29  nbRemovedValues=11  detectedInconsistency=no
0.93	       =>  wckTime=0.081  cpuTime=0.06  mem=15M194
0.96	   
0.96	   search
0.96	     run=0  nbConstraintChecks=12600  nbPropagations=3237  nbRevisions=13339  nbUselessRevisions=9492  nbAssignments=121
0.96	     nbFailedAssignments=14  nbBacktracks=2  nbVisitedNodes=138  nbRestartNogoods=0  mapSize=2  nbInferences=0
0.96	     nbTooLargeKeys=0
0.96	       =>  wckTime=0.11  cpuTime=0.08  mem=15M194
0.96	   
0.96	   global
0.96	     nbConstraintChecks=81241  nbPropagations=5914  nbRevisions=24462  nbUselessRevisions=17509  nbRestartNogoods=0
0.96	     solvingWckTime=0.112  solvingCpuTime=0.08  expiredTime=no  totalExploration=no  nbFoundSolutions=1
0.96	     globalCpuTime=0.52
0.96	       =>  wckTime=0.661  cpuTime=0.46  mem=15M194
0.96	   
0.96	s SATISFIABLE
0.96	v 7 6 7 9 1 1 7 6 9 3 8 4 9 3 5 0 3 3 5 2 1 9 4 9 8 8 6 9 1 9 4 7 7 2 1 1 6 4 2 0 7 0 8 6 7 0 4 0 1 3 6 1 8 0 0 4 5 3 5 3 8 7 5 0 1 1 9 5 2 0 0 9 2 7 0 6 0 7 9 4 1 5 3 2 5 9 5 0 8 7 2 2 4 4 6 5 0 9 8 7 2 0 5 1 0 
0.96	d NODES 121
0.96	d CHECKS 81241
0.96	   
0.96	   totalWckTime=0.736  totalCpuTime=0.52

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-200751-1168143373 -o ROOT/results/node18/solver-200751-1168143373 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/200751-1168143373/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: 0.41 1.32 1.74 1/82 17604
/proc/meminfo: memFree=1448104/2055920 swapFree=4192812/4192956
[pid=17603] ppid=17601 vsize=0 CPUtime=0
/proc/17603/stat : 17603 (java) R 17601 17603 17534 0 -1 0 194 0 0 0 0 0 0 0 20 0 1 0 162732227 0 0 18446744073709551615 0 0 0 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17603/statm: 0 0 0 0 0 0 0

[startup+0.102449 s]
/proc/loadavg: 0.41 1.32 1.74 1/82 17604
/proc/meminfo: memFree=1448104/2055920 swapFree=4192812/4192956
[pid=17603] ppid=17601 vsize=914988 CPUtime=0.08
/proc/17603/stat : 17603 (java) R 17601 17603 17534 0 -1 0 3026 0 1 0 7 1 0 0 16 0 8 0 162732227 936947712 2772 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4153785378 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/17603/statm: 228747 2776 1439 14 0 215242 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 914988

[startup+0.510485 s]
/proc/loadavg: 0.41 1.32 1.74 1/82 17604
/proc/meminfo: memFree=1448104/2055920 swapFree=4192812/4192956
[pid=17603] ppid=17601 vsize=915328 CPUtime=0.49
/proc/17603/stat : 17603 (java) R 17601 17603 17534 0 -1 0 6610 0 1 0 45 4 0 0 16 0 8 0 162732227 937295872 6349 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4152819938 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/17603/statm: 228832 6350 2138 14 0 215302 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 915328

Child status: 0
Real time (s): 1.02027
CPU time (s): 0.98085
CPU user time (s): 0.912861
CPU system time (s): 0.067989
CPU usage (%): 96.1362
Max. virtual memory (cumulated for all children) (KiB): 915560

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.912861
system time used= 0.067989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8851
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= 754
involuntary context switches= 74

runsolver used 0.001999 s user time and 0.008998 s system time

The end

Launcher Data (download as text)

Begin job on node18 on Sun Jan  7 04:16:15 UTC 2007


IDJOB= 200751
IDBENCH= 3725
FILE ID= node18/200751-1168143373

PBS_JOBID= 3477865

Free space on /tmp= 66291 MiB

BENCH NAME= HOME/pub/bench/CPAI06/composed/composed-25-10-20/composed-25-10-20-8_ext.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/200751-1168143373/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node18/watcher-200751-1168143373 -o ROOT/results/node18/solver-200751-1168143373 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/200751-1168143373/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  84c52a425875f6f365f5b88a33367662

RANDOM SEED= 100295050

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:       1448584 kB
Buffers:         44936 kB
Cached:         442128 kB
SwapCached:         20 kB
Active:         273960 kB
Inactive:       273404 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1448584 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2176 kB
Writeback:           0 kB
Mapped:          79308 kB
Slab:            45272 kB
Committed_AS:  4433212 kB
PageTables:       1960 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= 66291 MiB



End job on node18 on Sun Jan  7 04:16:19 UTC 2007