Trace number 2097603

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 1.87871 1.93043

DiagnosticValue
CHECKS230211
NODES84

General information on the benchmark

Namecsp/langford2/
normalized-langford-2-40.xml
MD5SUMa208359cddbd3b9552cce431975a353a
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 benchmark0.12498
Satisfiable
(Un)Satisfiability was proved
Number of variables80
Number of constraints3200
Maximum constraint arity2
Maximum domain size80
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3200
Global constraints used (with number of constraints)

Solver Data 

0.00/0.08	
0.00/0.08	Abscon 112 (May, 2008)
0.19/0.24	
0.19/0.24	   configuration
0.19/0.24	     name=mac.xml
0.19/0.27	   
0.19/0.27	   instance
0.19/0.27	     name=HOME/instance-2097603-1247413588.xml
0.29/0.31	   
0.29/0.31	   domains being loaded...
0.29/0.32	   
0.29/0.32	   variables being loaded...
0.29/0.35	     nbVariables=80  nbDomainTypes=1  minDomainSize=80  maxDomainSize=80  nbTotalValues=6400
0.29/0.35	       =>  wckTime=0.113  cpuTime=0.1  mem=7M892
0.29/0.35	   
0.29/0.35	   predicates being loaded...
0.39/0.41	   
0.39/0.41	   constraints being loaded...
1.25/1.39	     nbConstraints=3161  nbGlobalConstraints=1  nbMergedConstraints=40  nbConvertedConstraints=3160
1.25/1.39	     nbConvertConstraintsChecks=262400  nbExtensionStructures=41  nbSharedExtensionStructures=3119
1.25/1.39	     nbConflictsStructures=41  nbSharedConflictsStructures=3119  nbSharedBinaryRepresentations=6399  minDegree=80
1.25/1.39	     maxDegree=80  minArity=2  avgArity=2.02  maxArity=80  nbGenerators=0  nbFusions=0  symmetryWckTime=0.205
1.25/1.39	     symmetryCpuTime=0.12  nbCliques=1
1.25/1.39	       =>  wckTime=1.15  cpuTime=0.88  mem=32M313
1.38/1.49	   
1.38/1.49	   solver IterativeSystematicSolver being built... 
1.48/1.56	   
1.48/1.57	   INFO : Forward propagation technique limited 
1.58/1.62	       =>  wckTime=1.384  cpuTime=1.0  mem=23M291
1.58/1.67	   
1.58/1.67	   preprocessing
1.58/1.67	     nbConstraintChecks=8865  nbPropagations=120  nbRevisions=80  nbUselessRevisions=0  nbRemovedValues=1720
1.58/1.67	     detectedInconsistency=no
1.58/1.67	       =>  wckTime=0.045  cpuTime=0.02  mem=23M291
1.77/1.87	   
1.77/1.87	   search
1.77/1.87	     run=0  nbConstraintChecks=221346  minDepth=66  maxDepth=80  nbPropagations=2353  nbRevisions=6399
1.77/1.87	     nbUselessRevisions=4223  nbAssignments=84  nbFailedAssignments=2  nbBacktracks=2  nbVisitedNodes=88
1.77/1.87	     nbRestartNogoods=0  nbFoundSolutions=1  mapSize=1  nbInferences=0  nbTooLargeKeys=0  nbSEliminables=0
1.77/1.87	     nbREliminables=0  nbIEliminables=59.72  nbDEliminables=0  nbPEliminables=0
1.77/1.87	       =>  wckTime=0.243  cpuTime=0.18  mem=24M284
1.77/1.87	   
1.77/1.87	   global
1.77/1.87	     nbConstraintChecks=230211  nbPropagations=2473  nbRevisions=6479  nbUselessRevisions=4223  nbRestartNogoods=0
1.77/1.87	     solvingWckTime=0.245  solvingCpuTime=0.19  expiredTime=no  totalExploration=no  nbFoundSolutions=1
1.77/1.87	     firstSolutionCpuTime=1.17  globalCpuTime=1.23
1.77/1.87	       =>  wckTime=1.631  cpuTime=1.19  mem=24M284
1.77/1.87	   
1.77/1.87	s SATISFIABLE
1.77/1.87	v 62 75 23 61 59 17 68 20 15 58 67 57 63 56 14 55 13 54 32 53 28 11 9 26 10 22 19 16 18 6 3 7 12 4 8 1 5 21 2 0 64 78 27 66 65 24 76 29 25 69 79 70 77 71 30 72 31 73 52 74 50 34 33 51 36 49 47 45 48 37 35 40 46 39 44 38 43 60 42 41 
1.77/1.87	d NODES 84
1.77/1.87	d CHECKS 230211
1.77/1.87	   
1.77/1.87	   totalWckTime=1.697  totalCpuTime=1.23

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-2097603-1247413588/watcher-2097603-1247413588 -o /tmp/evaluation-result-2097603-1247413588/solver-2097603-1247413588 -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-2097603-1247413588.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: 2.03 2.00 2.00 4/80 704
/proc/meminfo: memFree=1674656/2055920 swapFree=4192812/4192956
[pid=704] ppid=702 vsize=200 CPUtime=0
/proc/704/stat : 704 (java) R 702 704 31096 0 -1 0 212 0 0 0 0 0 0 0 18 0 1 0 28425212 204800 33 996147200 134512640 134550932 4294955968 18446744073709551615 1463076 0 0 4096 0 0 0 0 17 0 0 0
/proc/704/statm: 68 36 27 9 0 6 0

[startup+0.094437 s]
/proc/loadavg: 2.03 2.00 2.00 4/80 704
/proc/meminfo: memFree=1674656/2055920 swapFree=4192812/4192956
[pid=704] ppid=702 vsize=865980 CPUtime=0.08
/proc/704/stat : 704 (java) S 702 704 31096 0 -1 0 3733 0 1 0 7 1 0 0 18 0 9 0 28425212 886763520 3201 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/704/statm: 216495 3201 1700 9 0 210980 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 865980

[startup+0.101437 s]
/proc/loadavg: 2.03 2.00 2.00 4/80 704
/proc/meminfo: memFree=1674656/2055920 swapFree=4192812/4192956
[pid=704] ppid=702 vsize=865980 CPUtime=0.08
/proc/704/stat : 704 (java) S 702 704 31096 0 -1 0 3803 0 1 0 7 1 0 0 18 0 9 0 28425212 886763520 3254 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/704/statm: 216495 3254 1718 9 0 210980 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 865980

[startup+0.301461 s]
/proc/loadavg: 2.03 2.00 2.00 4/80 704
/proc/meminfo: memFree=1674656/2055920 swapFree=4192812/4192956
[pid=704] ppid=702 vsize=866380 CPUtime=0.29
/proc/704/stat : 704 (java) S 702 704 31096 0 -1 0 6086 0 1 0 26 3 0 0 18 0 9 0 28425212 887173120 5452 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/704/statm: 216595 5454 1987 9 0 211053 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 866380

[startup+0.701505 s]
/proc/loadavg: 2.03 2.00 2.00 4/80 704
/proc/meminfo: memFree=1674656/2055920 swapFree=4192812/4192956
[pid=704] ppid=702 vsize=867772 CPUtime=0.69
/proc/704/stat : 704 (java) S 702 704 31096 0 -1 0 9253 0 1 0 63 6 0 0 18 0 9 0 28425212 888598528 8607 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/704/statm: 216943 8608 2037 9 0 211379 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 867772

[startup+1.50259 s]
/proc/loadavg: 2.03 2.00 2.00 3/89 713
/proc/meminfo: memFree=1642392/2055920 swapFree=4192812/4192956
[pid=704] ppid=702 vsize=868216 CPUtime=1.48
/proc/704/stat : 704 (java) S 702 704 31096 0 -1 0 20145 323 1 0 122 22 4 0 18 0 10 0 28425212 889053184 13735 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/704/statm: 217054 13735 2654 9 0 211490 0
[pid=704/tid=706] ppid=702 vsize=868216 CPUtime=1.11
/proc/704/task/706/stat : 706 (java) R 702 704 31096 0 -1 64 13573 323 1 0 89 18 4 0 16 0 10 0 28425213 889053184 13735 996147200 134512640 134550932 4294955968 18446744073709551615 104264343 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=704/tid=707] ppid=702 vsize=868216 CPUtime=0.12
/proc/704/task/707/stat : 707 (java) R 702 704 31096 0 -1 64 4887 323 0 0 8 0 4 0 17 0 10 0 28425214 889053184 13735 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 0 0 0 -1 1 0 0
[pid=704/tid=708] ppid=702 vsize=868216 CPUtime=0.04
/proc/704/task/708/stat : 708 (java) S 702 704 31096 0 -1 64 17 323 0 0 0 0 4 0 16 0 10 0 28425214 889053184 13735 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=704/tid=709] ppid=702 vsize=868216 CPUtime=0.04
/proc/704/task/709/stat : 709 (java) R 702 704 31096 0 -1 64 4 323 0 0 0 0 4 0 16 0 10 0 28425214 889053184 13735 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=704/tid=710] ppid=702 vsize=868216 CPUtime=0.04
/proc/704/task/710/stat : 710 (java) S 702 704 31096 0 -1 64 2 323 0 0 0 0 4 0 24 0 10 0 28425216 889053184 13735 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=704/tid=711] ppid=702 vsize=868216 CPUtime=0.28
/proc/704/task/711/stat : 711 (java) R 702 704 31096 0 -1 64 852 323 0 0 23 1 4 0 16 0 10 0 28425216 889053184 13735 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=704/tid=712] ppid=702 vsize=868216 CPUtime=0.04
/proc/704/task/712/stat : 712 (java) S 702 704 31096 0 -1 64 1 323 0 0 0 0 4 0 25 0 10 0 28425216 889053184 13735 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=704/tid=713] ppid=702 vsize=868216 CPUtime=0.04
/proc/704/task/713/stat : 713 (java) S 702 704 31096 0 -1 64 12 323 0 0 0 0 4 0 15 0 10 0 28425216 889053184 13735 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 868216

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

[startup+1.90263 s]
/proc/loadavg: 2.03 2.00 2.00 3/89 713
/proc/meminfo: memFree=1642392/2055920 swapFree=4192812/4192956
[pid=704] ppid=702 vsize=868216 CPUtime=1.85
/proc/704/stat : 704 (java) S 702 704 31096 0 -1 0 22315 446 1 0 158 23 4 0 18 0 9 0 28425212 889053184 13845 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0
/proc/704/statm: 217054 13845 2658 9 0 211490 0
[pid=704/tid=706] ppid=702 vsize=868216 CPUtime=1.41
/proc/704/task/706/stat : 706 (java) S 702 704 31096 0 -1 64 15642 446 1 0 118 19 4 0 18 0 9 0 28425213 889053184 13845 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=704/tid=707] ppid=702 vsize=868216 CPUtime=0.12
/proc/704/task/707/stat : 707 (java) S 702 704 31096 0 -1 64 4887 446 0 0 8 0 4 0 17 0 9 0 28425214 889053184 13845 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 0 0 0 -1 1 0 0
[pid=704/tid=708] ppid=702 vsize=868216 CPUtime=0.04
/proc/704/task/708/stat : 708 (java) S 702 704 31096 0 -1 64 17 446 0 0 0 0 4 0 16 0 9 0 28425214 889053184 13845 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=704/tid=709] ppid=702 vsize=868216 CPUtime=0.04
/proc/704/task/709/stat : 709 (java) S 702 704 31096 0 -1 64 10 446 0 0 0 0 4 0 16 0 9 0 28425214 889053184 13845 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=704/tid=710] ppid=702 vsize=868216 CPUtime=0.04
/proc/704/task/710/stat : 710 (java) S 702 704 31096 0 -1 64 2 446 0 0 0 0 4 0 24 0 9 0 28425216 889053184 13845 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=704/tid=711] ppid=702 vsize=868216 CPUtime=0.35
/proc/704/task/711/stat : 711 (java) S 702 704 31096 0 -1 64 944 446 0 0 30 1 4 0 15 0 9 0 28425216 889053184 13845 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=704/tid=712] ppid=702 vsize=868216 CPUtime=0.04
/proc/704/task/712/stat : 712 (java) S 702 704 31096 0 -1 64 1 446 0 0 0 0 4 0 25 0 9 0 28425216 889053184 13845 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=704/tid=713] ppid=702 vsize=868216 CPUtime=0.04
/proc/704/task/713/stat : 713 (java) S 702 704 31096 0 -1 64 12 446 0 0 0 0 4 0 15 0 9 0 28425216 889053184 13845 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 1.85
Current children cumulated vsize (KiB) 868216

Child status: 0
Real time (s): 1.93043
CPU time (s): 1.87871
CPU user time (s): 1.62375
CPU system time (s): 0.254961
CPU usage (%): 97.3209
Max. virtual memory (cumulated for all children) (KiB): 868216

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.62375
system time used= 0.254961
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 22791
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= 1474
involuntary context switches= 1536

runsolver used 0.005999 second user time and 0.012998 second system time

The end

Launcher Data 

Begin job on node35 at 2009-07-12 17:46:28
IDJOB=2097603
IDBENCH=57559
IDSOLVER=773
FILE ID=node35/2097603-1247413588
PBS_JOBID= 9510573
Free space on /tmp= 66300 MiB

SOLVER NAME= Abscon 112v4 AC
BENCH NAME= CPAI08/csp/langford2/normalized-langford-2-40.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-2097603-1247413588/watcher-2097603-1247413588 -o /tmp/evaluation-result-2097603-1247413588/solver-2097603-1247413588 -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-2097603-1247413588.xml

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

MD5SUM BENCH= a208359cddbd3b9552cce431975a353a
RANDOM SEED=1164238404

node35.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		: 3000.213
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:       1675136 kB
Buffers:         40000 kB
Cached:         132312 kB
SwapCached:          0 kB
Active:         248840 kB
Inactive:        77712 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1675136 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2688 kB
Writeback:           0 kB
Mapped:         174676 kB
Slab:            39296 kB
Committed_AS:  1035372 kB
PageTables:       2080 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= 66296 MiB
End job on node35 at 2009-07-12 17:46:30