Trace number 2098295

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 0.989849 1.03415

DiagnosticValue
CHECKS704
NODES0

General information on the benchmark

Namecsp/pigeons/
normalized-pigeons-20-ord.xml
MD5SUM27be955bda8fd33c2641a345649a0635
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 benchmark0.016996
Satisfiable
(Un)Satisfiability was proved
Number of variables20
Number of constraints380
Maximum constraint arity2
Maximum domain size19
Number of constraints which are defined in extension0
Number of constraints which are defined in intension380
Global constraints used (with number of constraints)

Solver Data 

0.01/0.09	
0.01/0.09	Abscon 112 (May, 2008)
0.18/0.24	
0.18/0.24	   configuration
0.18/0.24	     name=mac.xml
0.28/0.30	   
0.28/0.30	   instance
0.28/0.30	     name=HOME/instance-2098295-1247414333.xml
0.28/0.34	   
0.28/0.34	   domains being loaded...
0.28/0.35	   
0.28/0.35	   variables being loaded...
0.28/0.38	     nbVariables=20  nbDomainTypes=1  minDomainSize=19  maxDomainSize=19  nbTotalValues=380
0.28/0.38	       =>  wckTime=0.135  cpuTime=0.11  mem=7M892
0.28/0.38	   
0.28/0.38	   predicates being loaded...
0.38/0.46	   
0.38/0.46	   constraints being loaded...
0.67/0.79	     nbConstraints=191  nbGlobalConstraints=1  nbMergedConstraints=190  nbConvertedConstraints=190
0.67/0.79	     nbConvertConstraintsChecks=361  nbExtensionStructures=1  nbSharedExtensionStructures=189  nbConflictsStructures=1
0.67/0.79	     nbSharedConflictsStructures=189  nbSharedBinaryRepresentations=1  minDegree=20  maxDegree=20  minArity=2
0.67/0.79	     avgArity=2.09  maxArity=20  nbGenerators=0  nbFusions=0  symmetryWckTime=0.062  symmetryCpuTime=0.04  nbCliques=1
0.67/0.79	       =>  wckTime=0.548  cpuTime=0.38  mem=15M801
0.76/0.85	   
0.76/0.85	   solver IterativeSystematicSolver being built... 
0.87/0.91	   
0.87/0.92	   INFO : Forward propagation technique limited 
0.87/0.98	       =>  wckTime=0.741  cpuTime=0.49  mem=19M626
0.87/0.99	   
0.87/0.99	   preprocessing
0.87/0.99	     nbConstraintChecks=704  nbPropagations=1  nbRevisions=38  nbUselessRevisions=18  nbRemovedValues=20
0.87/0.99	     detectedInconsistency=yes
0.87/0.99	       =>  wckTime=0.0030  cpuTime=0.0  mem=19M626
0.87/0.99	   
0.87/0.99	   global
0.87/0.99	     nbConstraintChecks=704  nbPropagations=1  nbRevisions=38  nbUselessRevisions=18  nbRestartNogoods=0
0.87/0.99	     solvingWckTime=0.0060  solvingCpuTime=0.0  expiredTime=no  totalExploration=yes  nbFoundSolutions=0
0.87/0.99	     globalCpuTime=0.55
0.87/0.99	       =>  wckTime=0.75  cpuTime=0.49  mem=20M604
0.87/0.99	   
0.87/0.99	s UNSATISFIABLE
0.87/0.99	d NODES 0
0.87/0.99	d CHECKS 704
0.87/1.00	   
0.87/1.00	   totalWckTime=0.807  totalCpuTime=0.56

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2098295-1247414333/watcher-2098295-1247414333 -o /tmp/evaluation-result-2098295-1247414333/solver-2098295-1247414333 -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-2098295-1247414333.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: 1.94 2.00 1.98 4/80 1660
/proc/meminfo: memFree=1730360/2055920 swapFree=4192812/4192956
[pid=1660] ppid=1658 vsize=18576 CPUtime=0
/proc/1660/stat : 1660 (runsolver) R 1658 1660 31284 0 -1 4194368 16 0 0 0 0 0 0 0 18 0 1 0 28499267 19021824 284 996147200 4194304 4302564 548682068384 18446744073709551615 210824129831 0 2147483391 4096 24578 0 0 0 17 1 0 0
/proc/1660/statm: 4644 284 249 26 0 2626 0

[startup+0.0286101 s]
/proc/loadavg: 1.94 2.00 1.98 4/80 1660
/proc/meminfo: memFree=1730360/2055920 swapFree=4192812/4192956
[pid=1660] ppid=1658 vsize=861288 CPUtime=0.01
/proc/1660/stat : 1660 (java) S 1658 1660 31284 0 -1 0 1717 0 1 0 0 1 0 0 18 0 3 0 28499267 881958912 1414 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16784584 18446744073709551615 0 0 17 1 0 0
/proc/1660/statm: 215322 1414 568 9 0 210237 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 861288

[startup+0.101664 s]
/proc/loadavg: 1.94 2.00 1.98 4/80 1660
/proc/meminfo: memFree=1730360/2055920 swapFree=4192812/4192956
[pid=1660] ppid=1658 vsize=865984 CPUtime=0.09
/proc/1660/stat : 1660 (java) S 1658 1660 31284 0 -1 0 3756 0 1 0 7 2 0 0 18 0 9 0 28499267 886767616 3214 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/1660/statm: 216496 3214 1697 9 0 210981 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 865984

[startup+0.301687 s]
/proc/loadavg: 1.94 2.00 1.98 4/80 1660
/proc/meminfo: memFree=1730360/2055920 swapFree=4192812/4192956
[pid=1660] ppid=1658 vsize=866224 CPUtime=0.28
/proc/1660/stat : 1660 (java) S 1658 1660 31284 0 -1 0 5764 0 1 0 24 4 0 0 18 0 9 0 28499267 887013376 5140 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/1660/statm: 216556 5140 1975 9 0 211014 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 866224

[startup+0.701733 s]
/proc/loadavg: 1.94 2.00 1.98 4/80 1660
/proc/meminfo: memFree=1730360/2055920 swapFree=4192812/4192956
[pid=1660] ppid=1658 vsize=867196 CPUtime=0.67
/proc/1660/stat : 1660 (java) S 1658 1660 31284 0 -1 0 7973 0 1 0 62 5 0 0 18 0 9 0 28499267 888008704 7325 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/1660/statm: 216799 7325 2035 9 0 211235 0
Current children cumulated CPU time (s) 0.67
Current children cumulated vsize (KiB) 867196

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

[startup+0.901756 s]
/proc/loadavg: 1.94 2.00 1.98 4/80 1660
/proc/meminfo: memFree=1730360/2055920 swapFree=4192812/4192956
[pid=1660] ppid=1658 vsize=867976 CPUtime=0.87
/proc/1660/stat : 1660 (java) S 1658 1660 31284 0 -1 0 12654 277 1 0 79 8 0 0 18 0 10 0 28499267 888807424 8765 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/1660/statm: 216994 8765 2651 9 0 211430 0
Current children cumulated CPU time (s) 0.87
Current children cumulated vsize (KiB) 867976

[startup+1.00177 s]
/proc/loadavg: 1.94 2.00 1.98 3/89 1673
/proc/meminfo: memFree=1699120/2055920 swapFree=4192812/4192956
[pid=1660] ppid=1658 vsize=867976 CPUtime=0.96
/proc/1660/stat : 1660 (java) S 1658 1660 31284 0 -1 0 15804 277 1 0 87 9 0 0 18 0 9 0 28499267 888807424 10387 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/1660/statm: 216994 10387 2653 9 0 211430 0
[pid=1660/tid=1662] ppid=1658 vsize=867976 CPUtime=0.72
/proc/1660/task/1662/stat : 1662 (java) R 1658 1660 31284 0 -1 64 11867 277 1 0 65 7 0 0 22 0 9 0 28499268 888807424 10387 996147200 134512640 134550932 4294955968 18446744073709551615 104097343 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=1660/tid=1663] ppid=1658 vsize=867976 CPUtime=0.04
/proc/1660/task/1663/stat : 1663 (java) S 1658 1660 31284 0 -1 64 2376 277 0 0 4 0 0 0 16 0 9 0 28499270 888807424 10387 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 0 0 16800975 0 0 0 -1 1 0 0
[pid=1660/tid=1664] ppid=1658 vsize=867976 CPUtime=0
/proc/1660/task/1664/stat : 1664 (java) S 1658 1660 31284 0 -1 64 19 277 0 0 0 0 0 0 16 0 9 0 28499270 888807424 10387 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=1660/tid=1665] ppid=1658 vsize=867976 CPUtime=0
/proc/1660/task/1665/stat : 1665 (java) S 1658 1660 31284 0 -1 64 12 277 0 0 0 0 0 0 15 0 9 0 28499270 888807424 10387 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=1660/tid=1666] ppid=1658 vsize=867976 CPUtime=0
/proc/1660/task/1666/stat : 1666 (java) S 1658 1660 31284 0 -1 64 2 277 0 0 0 0 0 0 18 0 9 0 28499272 888807424 10387 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=1660/tid=1667] ppid=1658 vsize=867976 CPUtime=0.17
/proc/1660/task/1667/stat : 1667 (java) S 1658 1660 31284 0 -1 64 713 277 0 0 17 0 0 0 16 0 9 0 28499272 888807424 10387 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=1660/tid=1668] ppid=1658 vsize=867976 CPUtime=0
/proc/1660/task/1668/stat : 1668 (java) S 1658 1660 31284 0 -1 64 0 277 0 0 0 0 0 0 19 0 9 0 28499272 888807424 10387 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=1660/tid=1669] ppid=1658 vsize=867976 CPUtime=0
/proc/1660/task/1669/stat : 1669 (java) S 1658 1660 31284 0 -1 64 4 277 0 0 0 0 0 0 15 0 9 0 28499272 888807424 10387 996147200 134512640 134550932 4294955968 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 0.96
Current children cumulated vsize (KiB) 867976

Child status: 0
Real time (s): 1.03415
CPU time (s): 0.989849
CPU user time (s): 0.884865
CPU system time (s): 0.104984
CPU usage (%): 95.7161
Max. virtual memory (cumulated for all children) (KiB): 867976

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.884865
system time used= 0.104984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16109
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= 387
involuntary context switches= 455

runsolver used 0.005999 second user time and 0.015997 second system time

The end

Launcher Data 

Begin job on node33 at 2009-07-12 17:58:53
IDJOB=2098295
IDBENCH=58554
IDSOLVER=773
FILE ID=node33/2098295-1247414333
PBS_JOBID= 9510578
Free space on /tmp= 66448 MiB

SOLVER NAME= Abscon 112v4 AC
BENCH NAME= CPAI08/csp/pigeons/normalized-pigeons-20-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= BIN/runsolver --timestamp -w /tmp/evaluation-result-2098295-1247414333/watcher-2098295-1247414333 -o /tmp/evaluation-result-2098295-1247414333/solver-2098295-1247414333 -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-2098295-1247414333.xml

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

MD5SUM BENCH= 27be955bda8fd33c2641a345649a0635
RANDOM SEED=2136740276

node33.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		: 3000.229
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		: 3000.229
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:       1730840 kB
Buffers:         42484 kB
Cached:         126428 kB
SwapCached:          0 kB
Active:         176124 kB
Inactive:        92592 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1730840 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2480 kB
Writeback:           0 kB
Mapped:         120312 kB
Slab:            41416 kB
Committed_AS:  1011176 kB
PageTables:       1952 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= 66444 MiB
End job on node33 at 2009-07-12 17:58:54