Trace number 1091389

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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 112v4 ACUNSAT 1.04884 1.10862

DiagnosticValue
CHECKS1654
NODES0

General information on the benchmark

Namecsp/pigeons/
normalized-pigeons-30-ord.xml
MD5SUMa65fadea1ed073215cc0421208c83f3c
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.031994
Satisfiable
(Un)Satisfiability was proved
Number of variables30
Number of constraints870
Maximum constraint arity2
Maximum domain size29
Number of constraints which are defined in extension0
Number of constraints which are defined in intension870
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.09	
0.00/0.09	Abscon 112 (May, 2008)
0.18/0.26	
0.18/0.26	   configuration
0.18/0.26	     name=mac.xml
0.18/0.29	   
0.18/0.29	   instance
0.18/0.29	     name=HOME/instance-1091389-1215274664.xml
0.28/0.33	   
0.28/0.33	   domains being loaded...
0.28/0.34	   
0.28/0.34	   variables being loaded...
0.28/0.37	     nbVariables=30  nbDomainTypes=1  minDomainSize=29  maxDomainSize=29  nbTotalValues=870
0.28/0.37	       =>  wckTime=0.109  cpuTime=0.09  mem=7M919
0.28/0.37	   
0.28/0.37	   predicates being loaded...
0.38/0.43	   
0.38/0.43	   constraints being loaded...
0.78/0.85	     nbConstraints=436  nbGlobalConstraints=1  nbMergedConstraints=435  nbConvertedConstraints=435
0.78/0.85	     nbConvertConstraintsChecks=841  nbExtensionStructures=1  nbSharedExtensionStructures=434  nbConflictsStructures=1
0.78/0.85	     nbSharedConflictsStructures=434  nbSharedBinaryRepresentations=1  minDegree=30  maxDegree=30  minArity=2
0.78/0.85	     avgArity=2.06  maxArity=30  nbGenerators=0  nbFusions=0  symmetryWckTime=0.084  symmetryCpuTime=0.04  nbCliques=1
0.78/0.85	       =>  wckTime=0.587  cpuTime=0.4  mem=16M851
0.86/0.90	   
0.86/0.91	   solver IterativeSystematicSolver being built... 
0.86/0.97	   
0.86/0.97	   INFO : Forward propagation technique limited 
0.96/1.04	       =>  wckTime=0.785  cpuTime=0.52  mem=20M13
0.96/1.05	   
0.96/1.05	   preprocessing
0.96/1.05	     nbConstraintChecks=1654  nbPropagations=1  nbRevisions=58  nbUselessRevisions=28  nbRemovedValues=30
0.96/1.05	     detectedInconsistency=yes
0.96/1.05	       =>  wckTime=0.0050  cpuTime=0.0  mem=20M13
0.96/1.06	   
0.96/1.06	   global
0.96/1.06	     nbConstraintChecks=1654  nbPropagations=1  nbRevisions=58  nbUselessRevisions=28  nbRestartNogoods=0
0.96/1.06	     solvingWckTime=0.0090  solvingCpuTime=0.0  expiredTime=no  totalExploration=yes  nbFoundSolutions=0
0.96/1.06	     globalCpuTime=0.56
0.96/1.06	       =>  wckTime=0.797  cpuTime=0.52  mem=21M4
0.96/1.06	   
0.96/1.06	s UNSATISFIABLE
0.96/1.06	d NODES 0
0.96/1.06	d CHECKS 1654
0.96/1.06	   
0.96/1.06	   totalWckTime=0.868  totalCpuTime=0.57

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1091389-1215274664/watcher-1091389-1215274664 -o /tmp/evaluation-result-1091389-1215274664/solver-1091389-1215274664 -C 1800 -W 2200 -M 900 --output-limit 1,15 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution mac.xml 1 XSax HOME/instance-1091389-1215274664.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2200 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.29 2.06 2.02 3/74 32470
/proc/meminfo: memFree=1696320/2055920 swapFree=4122232/4192956
[pid=32470] ppid=32468 vsize=18572 CPUtime=0
/proc/32470/stat : 32470 (runsolver) R 32468 32470 29662 0 -1 4194368 16 0 0 0 0 0 0 0 19 0 1 0 1315712326 19017728 292 996147200 4194304 4296836 548682068336 18446744073709551615 273952599335 0 2147483391 4096 24578 0 0 0 17 1 0 0
/proc/32470/statm: 4643 292 257 25 0 2626 0

[startup+0.016946 s]
/proc/loadavg: 2.29 2.06 2.02 3/74 32470
/proc/meminfo: memFree=1696320/2055920 swapFree=4122232/4192956
[pid=32470] ppid=32468 vsize=10904 CPUtime=0
/proc/32470/stat : 32470 (java) S 32468 32470 29662 0 -1 0 821 0 0 0 0 0 0 0 18 0 2 0 1315712326 11165696 574 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16784584 18446744073709551615 0 0 17 1 0 0
/proc/32470/statm: 2726 574 285 9 0 1198 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 10904

[startup+0.104917 s]
/proc/loadavg: 2.29 2.06 2.02 3/74 32470
/proc/meminfo: memFree=1696320/2055920 swapFree=4122232/4192956
[pid=32470] ppid=32468 vsize=865884 CPUtime=0.09
/proc/32470/stat : 32470 (java) S 32468 32470 29662 0 -1 0 3698 0 1 0 7 2 0 0 18 0 9 0 1315712326 886665216 3172 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/32470/statm: 216471 3172 1685 9 0 211026 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 865884

[startup+0.301955 s]
/proc/loadavg: 2.29 2.06 2.02 3/74 32470
/proc/meminfo: memFree=1696320/2055920 swapFree=4122232/4192956
[pid=32470] ppid=32468 vsize=866284 CPUtime=0.28
/proc/32470/stat : 32470 (java) S 32468 32470 29662 0 -1 0 5785 0 1 0 24 4 0 0 18 0 9 0 1315712326 887074816 5159 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/32470/statm: 216571 5159 1951 9 0 211099 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 866284

[startup+0.701036 s]
/proc/loadavg: 2.29 2.06 2.02 3/74 32470
/proc/meminfo: memFree=1696320/2055920 swapFree=4122232/4192956
[pid=32470] ppid=32468 vsize=867672 CPUtime=0.68
/proc/32470/stat : 32470 (java) S 32468 32470 29662 0 -1 0 8332 0 1 0 62 6 0 0 18 0 9 0 1315712326 888496128 7690 996147200 134512640 134550740 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/32470/statm: 216918 7690 2012 9 0 211424 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 867672

Solver just ended. Dumping a history of the last processes samples

[startup+1.10721 s]
/proc/loadavg: 2.29 2.06 2.02 3/83 32483
/proc/meminfo: memFree=1668792/2055920 swapFree=4122232/4192956
[pid=32470] ppid=32468 vsize=0 CPUtime=1.02
/proc/32470/stat : 32470 (java) Z 32468 32470 29662 0 -1 12 16447 298 1 0 90 12 0 0 16 0 2 0 1315712326 0 0 996147200 0 0 0 0 0 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/32470/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 1.02
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 1.10862
CPU time (s): 1.04884
CPU user time (s): 0.911861
CPU system time (s): 0.136979
CPU usage (%): 94.6074
Max. virtual memory (cumulated for all children) (KiB): 868320

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.911861
system time used= 0.136979
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16745
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= 1062
involuntary context switches= 1114

runsolver used 0.005999 second user time and 0.010998 second system time

The end

Launcher Data (download as text)

Begin job on node20 at 2008-07-05 18:17:44
IDJOB=1091389
IDBENCH=58549
IDSOLVER=363
FILE ID=node20/1091389-1215274664
PBS_JOBID= 7882076
Free space on /tmp= 66500 MiB

SOLVER NAME= Abscon 112v4 AC
BENCH NAME= CPAI08/csp/pigeons/normalized-pigeons-30-ord.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution mac.xml 1 XSax BENCHNAME
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1091389-1215274664/watcher-1091389-1215274664 -o /tmp/evaluation-result-1091389-1215274664/solver-1091389-1215274664 -C 1800 -W 2200 -M 900 --output-limit 1,15  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution mac.xml 1 XSax HOME/instance-1091389-1215274664.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= a65fadea1ed073215cc0421208c83f3c
RANDOM SEED=973161722

node20.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.263
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		: 3000.263
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:       1696800 kB
Buffers:         39824 kB
Cached:         155360 kB
SwapCached:      64372 kB
Active:         214860 kB
Inactive:        89964 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1696800 kB
SwapTotal:     4192956 kB
SwapFree:      4122232 kB
Dirty:            2460 kB
Writeback:           0 kB
Mapped:         116904 kB
Slab:            39428 kB
Committed_AS:  2744608 kB
PageTables:       2036 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= 66500 MiB
End job on node20 at 2008-07-05 18:17:45