Trace number 2093805

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 ACSAT 0.680895 0.740925

DiagnosticValue
CHECKS26
NODES27

General information on the benchmark

Namecsp/latinSquare/
normalized-latinSquare-dg-5_all.xml
MD5SUMa3334b351f1cd3e160017bbc4cb8af77
Bench CategoryAlldiff (alldiff)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.005998
Satisfiable
(Un)Satisfiability was proved
Number of variables25
Number of constraints20
Maximum constraint arity5
Maximum domain size5
Number of constraints which are defined in extension0
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)alldifferent(20)

Solver Data 

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
0.18/0.30	   
0.18/0.30	   instance
0.18/0.30	     name=HOME/instance-2093805-1247402123.xml
0.29/0.33	   
0.29/0.33	   domains being loaded...
0.29/0.34	   
0.29/0.34	   variables being loaded...
0.29/0.38	     nbVariables=25  nbDomainTypes=1  minDomainSize=5  maxDomainSize=5  nbTotalValues=125
0.29/0.38	       =>  wckTime=0.116  cpuTime=0.09  mem=7M892
0.29/0.38	   
0.29/0.38	   constraints being loaded...
0.38/0.45	     nbConstraints=26  nbGlobalConstraints=26  nbSharedBinaryRepresentations=0  minDegree=8  maxDegree=10  minArity=5
0.38/0.45	     avgArity=8.96  maxArity=25  nbGenerators=6  nbFusions=0  symmetryWckTime=0.047  symmetryCpuTime=0.02
0.38/0.45	       =>  wckTime=0.191  cpuTime=0.14  mem=10M842
0.47/0.50	   
0.47/0.50	   solver IterativeSystematicSolver being built... 
0.47/0.58	   
0.47/0.58	   INFO : Forward propagation technique limited 
0.56/0.66	       =>  wckTime=0.395  cpuTime=0.26  mem=19M567
0.56/0.66	   
0.56/0.66	   preprocessing
0.56/0.66	     nbConstraintChecks=0  nbPropagations=25  nbRevisions=0  nbUselessRevisions=0  nbRemovedValues=0
0.56/0.66	     detectedInconsistency=no
0.56/0.66	       =>  wckTime=0.0020  cpuTime=0.01  mem=19M567
0.56/0.68	   
0.56/0.68	   search
0.56/0.68	     run=0  nbConstraintChecks=26  minDepth=0  maxDepth=25  nbPropagations=112  nbRevisions=0  nbUselessRevisions=0
0.56/0.68	     nbAssignments=27  nbFailedAssignments=2  nbBacktracks=0  nbVisitedNodes=30  nbRestartNogoods=0  nbFoundSolutions=1
0.56/0.68	     mapSize=0  nbInferences=0  nbTooLargeKeys=0  nbSEliminables=0  nbREliminables=0.33  nbIEliminables=19.96
0.56/0.68	     nbDEliminables=0  nbPEliminables=0
0.56/0.68	       =>  wckTime=0.024  cpuTime=0.02  mem=20M592
0.56/0.69	   
0.56/0.69	   global
0.56/0.69	     nbConstraintChecks=26  nbPropagations=137  nbRestartNogoods=0  solvingWckTime=0.027  solvingCpuTime=0.03
0.56/0.69	     expiredTime=no  totalExploration=no  nbFoundSolutions=1  firstSolutionCpuTime=0.28  globalCpuTime=0.34
0.56/0.69	       =>  wckTime=0.424  cpuTime=0.29  mem=20M592
0.56/0.69	   
0.56/0.69	s SATISFIABLE
0.56/0.69	v 0 1 3 4 2 4 2 0 1 3 1 3 4 2 0 2 0 1 3 4 3 4 2 0 1 
0.56/0.69	d NODES 27
0.56/0.69	d CHECKS 26
0.56/0.69	   
0.56/0.69	   totalWckTime=0.495  totalCpuTime=0.34

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2093805-1247402123/watcher-2093805-1247402123 -o /tmp/evaluation-result-2093805-1247402123/solver-2093805-1247402123 -C 1800 -W 2000 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution mac.xml 1 XSax HOME/instance-2093805-1247402123.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): 2000 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


[startup+0 s]
/proc/loadavg: 2.15 1.97 1.36 4/80 26519
/proc/meminfo: memFree=1753176/2055920 swapFree=4192812/4192956
[pid=26519] ppid=26517 vsize=18576 CPUtime=0
/proc/26519/stat : 26519 (runsolver) R 26517 26519 26002 0 -1 4194368 16 0 0 0 0 0 0 0 18 0 1 0 27278811 19021824 284 996147200 4194304 4302564 548682068384 18446744073709551615 272467815719 0 2147483391 4096 24578 0 0 0 17 1 0 0
/proc/26519/statm: 4644 284 249 26 0 2626 0

[startup+0.0111319 s]
/proc/loadavg: 2.15 1.97 1.36 4/80 26519
/proc/meminfo: memFree=1753176/2055920 swapFree=4192812/4192956
[pid=26519] ppid=26517 vsize=272 CPUtime=0
/proc/26519/stat : 26519 (java) D 26517 26519 26002 0 -1 0 217 0 0 0 0 0 0 0 18 0 1 0 27278811 278528 37 996147200 134512640 134550932 4294955968 18446744073709551615 4678436 0 2147483391 4096 0 18446744072099781622 0 0 17 1 0 0
/proc/26519/statm: 404 126 100 9 0 46 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 272

[startup+0.102664 s]
/proc/loadavg: 2.15 1.97 1.36 4/80 26519
/proc/meminfo: memFree=1753176/2055920 swapFree=4192812/4192956
[pid=26519] ppid=26517 vsize=865984 CPUtime=0.08
/proc/26519/stat : 26519 (java) S 26517 26519 26002 0 -1 0 3739 0 1 0 7 1 0 0 18 0 9 0 27278811 886767616 3205 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/26519/statm: 216496 3205 1695 9 0 210981 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 865984

[startup+0.301691 s]
/proc/loadavg: 2.15 1.97 1.36 4/80 26519
/proc/meminfo: memFree=1753176/2055920 swapFree=4192812/4192956
[pid=26519] ppid=26517 vsize=866380 CPUtime=0.29
/proc/26519/stat : 26519 (java) S 26517 26519 26002 0 -1 0 5848 0 1 0 25 4 0 0 18 0 9 0 27278811 887173120 5214 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/26519/statm: 216595 5214 1981 9 0 211053 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 866380

[startup+0.701749 s]
/proc/loadavg: 2.15 1.97 1.36 4/80 26519
/proc/meminfo: memFree=1753176/2055920 swapFree=4192812/4192956
[pid=26519] ppid=26517 vsize=867364 CPUtime=0.65
/proc/26519/stat : 26519 (java) S 26517 26519 26002 0 -1 0 14684 278 1 0 57 8 0 0 18 0 9 0 27278811 888180736 10213 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/26519/statm: 216841 10213 2653 9 0 211277 0
Current children cumulated CPU time (s) 0.65
Current children cumulated vsize (KiB) 867364

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

Child status: 0
Real time (s): 0.740925
CPU time (s): 0.680895
CPU user time (s): 0.580911
CPU system time (s): 0.099984
CPU usage (%): 91.898
Max. virtual memory (cumulated for all children) (KiB): 867364

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.580911
system time used= 0.099984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 14990
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= 608
involuntary context switches= 677

runsolver used 0.001999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node22 at 2009-07-12 14:35:23
IDJOB=2093805
IDBENCH=53801
IDSOLVER=773
FILE ID=node22/2093805-1247402123
PBS_JOBID= 9510599
Free space on /tmp= 66396 MiB

SOLVER NAME= Abscon 112v4 AC
BENCH NAME= CPAI08/csp/latinSquare/normalized-latinSquare-dg-5_all.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= BIN/runsolver --timestamp -w /tmp/evaluation-result-2093805-1247402123/watcher-2093805-1247402123 -o /tmp/evaluation-result-2093805-1247402123/solver-2093805-1247402123 -C 1800 -W 2000 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -cp abscon112V4.jar abscon.Resolution mac.xml 1 XSax HOME/instance-2093805-1247402123.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= a3334b351f1cd3e160017bbc4cb8af77
RANDOM SEED=1311575147

node22.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		: 3000.278
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		: 3000.278
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	: 5636.09
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1753656 kB
Buffers:         37460 kB
Cached:         112412 kB
SwapCached:          0 kB
Active:         197772 kB
Inactive:        53660 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1753656 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2260 kB
Writeback:           0 kB
Mapped:         122020 kB
Slab:            36096 kB
Committed_AS:   993048 kB
PageTables:       1920 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= 66396 MiB
End job on node22 at 2009-07-12 14:35:24