Trace number 218813

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 ESACUNSAT 1.75473 1.80248

DiagnosticValue
CHECKS71604
NODES3600

General information on the benchmark

NamechessboardColoration/
cc-9-9-2.xml
MD5SUMc4173727a6ec0cd98f872aeaa7cc40fb
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.202968
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables81
Number of constraints1296
Maximum constraint arity4
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension1296
Global constraints used (with number of constraints)

Solver Data (download as text)

0.29	   
0.29	Abscon 109 (November, 2006)
0.29	   
0.29	   configuration
0.29	     name=esac.xml
0.32	   
0.32	   instance
0.32	     name=/tmp/evaluation/218813-1168253278/unknown.xml
0.35	   
0.35	   domains being loaded...
0.35	   
0.35	   variables being loaded...
0.38	     nbVariables=81  nbDomainTypes=1  minDomainSize=2  maxDomainSize=2
0.38	       =>  wckTime=0.09  cpuTime=0.07  mem=6M951
0.38	   
0.38	   predicates being loaded...
0.39	   
0.39	   constraints being loaded...
0.81	     nbConstraints=1296  nbConflictsStructures=1  nbSharedConflictsStructures=1295  nbSharedBinaryRepresentations=0
0.81	     nbEvaluationManagers=1  nbSharedEvaluationManagers=1295  maxDegree=64  maxArity=4
0.81	       =>  wckTime=0.515  cpuTime=0.39  mem=32M306
0.86	   
0.86	   solver IterativeSystematicSolver being built... 
1.06	       =>  wckTime=0.772  cpuTime=0.55  mem=24M561
1.12	   
1.12	   preprocessing
1.12	     nbConstraintChecks=381  nbValidityChecks=317  nbPropagations=221  nbRevisions=601  nbUselessRevisions=516
1.12	     nbSingletonTests=95  nbEffectiveSingletonTests=0  nbESACBranches=5  nbRemovedValues=0  detectedInconsistency=no
1.12	       =>  wckTime=0.057  cpuTime=0.04  mem=24M561
1.15	   
1.15	   search
1.15	     run=0  nbConstraintChecks=321  nbValidityChecks=267  nbPropagations=261  nbRevisions=884  nbUselessRevisions=731
1.15	     nbAssignments=25  nbFailedAssignments=4  nbBacktracks=11  nbVisitedNodes=34  nbRestartNogoods=0  mapSize=7
1.15	     nbInferences=0  nbTooLargeKeys=0
1.15	       =>  wckTime=0.087  cpuTime=0.06  mem=25M534
1.18	   
1.18	   search
1.18	     run=1  nbConstraintChecks=1141  nbValidityChecks=1070  nbPropagations=583  nbRevisions=2429
1.18	     nbUselessRevisions=2057  nbAssignments=69  nbFailedAssignments=10  nbBacktracks=34  nbVisitedNodes=88
1.18	     nbRestartNogoods=1  mapSize=15  nbInferences=0  nbTooLargeKeys=0
1.18	       =>  wckTime=0.115  cpuTime=0.07  mem=25M534
1.19	   
1.19	   search
1.19	     run=2  nbConstraintChecks=1649  nbValidityChecks=1767  nbPropagations=974  nbRevisions=4459
1.19	     nbUselessRevisions=3798  nbAssignments=120  nbFailedAssignments=16  nbBacktracks=60  nbVisitedNodes=136
1.19	     nbRestartNogoods=3  mapSize=24  nbInferences=0  nbTooLargeKeys=0
1.19	       =>  wckTime=0.124  cpuTime=0.08  mem=25M534
1.20	   
1.20	   search
1.20	     run=3  nbConstraintChecks=2206  nbValidityChecks=2506  nbPropagations=1466  nbRevisions=6985
1.20	     nbUselessRevisions=5924  nbAssignments=176  nbFailedAssignments=29  nbBacktracks=94  nbVisitedNodes=213
1.20	     nbRestartNogoods=4  mapSize=43  nbInferences=0  nbTooLargeKeys=0
1.20	       =>  wckTime=0.136  cpuTime=0.09  mem=25M534
1.21	   
1.21	   search
1.21	     run=4  nbConstraintChecks=2901  nbValidityChecks=3603  nbPropagations=2044  nbRevisions=10276
1.21	     nbUselessRevisions=8717  nbAssignments=241  nbFailedAssignments=36  nbBacktracks=146  nbVisitedNodes=291
1.21	     nbRestartNogoods=6  mapSize=55  nbInferences=0  nbTooLargeKeys=0
1.21	       =>  wckTime=0.146  cpuTime=0.1  mem=25M534
1.23	   
1.23	   search
1.23	     run=5  nbConstraintChecks=4423  nbValidityChecks=5941  nbPropagations=2808  nbRevisions=15127
1.23	     nbUselessRevisions=12859  nbAssignments=346  nbFailedAssignments=49  nbBacktracks=229  nbVisitedNodes=425
1.23	     nbRestartNogoods=7  mapSize=80  nbInferences=0  nbTooLargeKeys=0
1.23	       =>  wckTime=0.165  cpuTime=0.12  mem=25M534
1.26	   
1.26	   search
1.26	     run=6  nbConstraintChecks=6446  nbValidityChecks=9132  nbPropagations=3865  nbRevisions=22160
1.26	     nbUselessRevisions=18854  nbAssignments=506  nbFailedAssignments=72  nbBacktracks=345  nbVisitedNodes=613
1.26	     nbRestartNogoods=11  mapSize=119  nbInferences=0  nbTooLargeKeys=0
1.26	       =>  wckTime=0.193  cpuTime=0.14  mem=25M534
1.30	   
1.30	   search
1.30	     run=7  nbConstraintChecks=10733  nbValidityChecks=15607  nbPropagations=5394  nbRevisions=33416
1.30	     nbUselessRevisions=28518  nbAssignments=726  nbFailedAssignments=107  nbBacktracks=521  nbVisitedNodes=898
1.30	     nbRestartNogoods=13  mapSize=181  nbInferences=0  nbTooLargeKeys=0
1.30	       =>  wckTime=0.238  cpuTime=0.18  mem=25M534
1.35	   
1.35	   search
1.36	     run=8  nbConstraintChecks=17025  nbValidityChecks=25435  nbPropagations=7645  nbRevisions=51032
1.36	     nbUselessRevisions=43714  nbAssignments=1039  nbFailedAssignments=155  nbBacktracks=782  nbVisitedNodes=1307
1.36	     nbRestartNogoods=16  mapSize=274  nbInferences=0  nbTooLargeKeys=0
1.36	       =>  wckTime=0.291  cpuTime=0.23  mem=25M534
1.44	   
1.44	   search
1.44	     run=9  nbConstraintChecks=26431  nbValidityChecks=39965  nbPropagations=10990  nbRevisions=78207
1.44	     nbUselessRevisions=67154  nbAssignments=1510  nbFailedAssignments=231  nbBacktracks=1166  nbVisitedNodes=1938
1.44	     nbRestartNogoods=19  mapSize=428  nbInferences=0  nbTooLargeKeys=0
1.44	       =>  wckTime=0.379  cpuTime=0.3  mem=25M534
1.56	   
1.56	   search
1.57	     run=10  nbConstraintChecks=41278  nbValidityChecks=64273  nbPropagations=16150  nbRevisions=121194
1.57	     nbUselessRevisions=104242  nbAssignments=2230  nbFailedAssignments=363  nbBacktracks=1747  nbVisitedNodes=2905
1.57	     nbRestartNogoods=25  mapSize=671  nbInferences=0  nbTooLargeKeys=0
1.57	       =>  wckTime=0.501  cpuTime=0.41  mem=25M534
1.70	   
1.70	   INFO : Stopping hyperNogood (mapSize=1002, nbTooLargekeys=0, mem=25M534)
1.71	   
1.71	   search
1.71	     run=11  nbConstraintChecks=63573  nbValidityChecks=98893  nbPropagations=23924  nbRevisions=186498
1.71	     nbUselessRevisions=160526  nbAssignments=3282  nbFailedAssignments=532  nbBacktracks=2613  nbVisitedNodes=4309
1.71	     nbRestartNogoods=29
1.71	       =>  wckTime=0.645  cpuTime=0.55  mem=25M534
1.75	   
1.75	   search
1.75	     run=12  nbConstraintChecks=71223  nbValidityChecks=110618  nbPropagations=32572  nbRevisions=259307
1.75	     nbUselessRevisions=223223  nbAssignments=3600  nbFailedAssignments=593  nbBacktracks=2871  nbVisitedNodes=4756
1.76	     nbRestartNogoods=33
1.76	       =>  wckTime=0.691  cpuTime=0.6  mem=25M534
1.76	   
1.76	   global
1.76	     nbConstraintChecks=71604  nbValidityChecks=110935  nbPropagations=32793  nbRevisions=259908
1.76	     nbUselessRevisions=223739  nbRestartNogoods=33  solvingWckTime=0.692  solvingCpuTime=0.6  expiredTime=no
1.76	     totalExploration=yes  nbFoundSolutions=0  globalCpuTime=1.2
1.76	       =>  wckTime=1.465  cpuTime=1.15  mem=25M534
1.76	   
1.76	s UNSATISFIABLE
1.76	d NODES 3600
1.76	d CHECKS 71604
1.76	   
1.76	   totalWckTime=1.541  totalCpuTime=1.2

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node4/watcher-218813-1168253278 -o ROOT/results/node4/solver-218813-1168253278 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/218813-1168253278/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: 1.67 1.96 2.21 4/97 19780
/proc/meminfo: memFree=1574672/2055920 swapFree=4182144/4192956
[pid=19779] ppid=19777 vsize=1784 CPUtime=0
/proc/19779/stat : 19779 (java) R 19777 19779 19712 0 -1 0 374 0 0 0 0 0 0 0 18 0 1 0 173723408 1826816 163 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 10588964 0 2147483391 4096 0 0 0 0 17 0 0 0
/proc/19779/statm: 446 163 128 14 0 91 0

[startup+0.108151 s]
/proc/loadavg: 1.67 1.96 2.21 4/97 19780
/proc/meminfo: memFree=1574672/2055920 swapFree=4182144/4192956
[pid=19779] ppid=19777 vsize=914988 CPUtime=0.09
/proc/19779/stat : 19779 (java) R 19777 19779 19712 0 -1 0 3085 0 1 0 8 1 0 0 23 0 8 0 173723408 936947712 2831 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4152819938 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/19779/statm: 228747 2831 1455 14 0 215242 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 914988

[startup+0.517194 s]
/proc/loadavg: 1.67 1.96 2.21 4/97 19780
/proc/meminfo: memFree=1574672/2055920 swapFree=4182144/4192956
[pid=19779] ppid=19777 vsize=915328 CPUtime=0.5
/proc/19779/stat : 19779 (java) R 19777 19779 19712 0 -1 0 7724 0 1 0 46 4 0 0 25 0 8 0 173723408 937295872 7463 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4073559598 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/19779/statm: 228832 7465 2144 14 0 215302 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 915328

[startup+1.35327 s]
/proc/loadavg: 1.67 1.96 2.21 4/105 19788
/proc/meminfo: memFree=1532240/2055920 swapFree=4182144/4192956
[pid=19779] ppid=19777 vsize=915576 CPUtime=1.33
/proc/19779/stat : 19779 (java) R 19777 19779 19712 0 -1 0 13319 0 1 0 120 13 0 0 25 0 8 0 173723408 937549824 13057 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4073948888 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/19779/statm: 228894 13057 2543 14 0 215364 0
[pid=19779/tid=19781] ppid=19777 vsize=915576 CPUtime=0.04
/proc/19779/task/19781/stat : 19781 (java) S 19777 19779 19712 0 -1 64 457 0 0 0 4 0 0 0 16 0 8 0 173723411 937549824 13057 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 0 0 23759 0 0 0 -1 0 0 0
[pid=19779/tid=19782] ppid=19777 vsize=915576 CPUtime=0
/proc/19779/task/19782/stat : 19782 (java) S 19777 19779 19712 0 -1 64 11 0 0 0 0 0 0 0 16 0 8 0 173723411 937549824 13057 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=19779/tid=19783] ppid=19777 vsize=915576 CPUtime=0
/proc/19779/task/19783/stat : 19783 (java) S 19777 19779 19712 0 -1 64 5 0 0 0 0 0 0 0 16 0 8 0 173723411 937549824 13057 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=19779/tid=19784] ppid=19777 vsize=915576 CPUtime=0
/proc/19779/task/19784/stat : 19784 (java) S 19777 19779 19712 0 -1 64 0 0 0 0 0 0 0 0 22 0 8 0 173723415 937549824 13057 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=19779/tid=19785] ppid=19777 vsize=915576 CPUtime=0.26
/proc/19779/task/19785/stat : 19785 (java) S 19777 19779 19712 0 -1 64 423 0 0 0 25 1 0 0 15 0 8 0 173723415 937549824 13057 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=19779/tid=19786] ppid=19777 vsize=915576 CPUtime=0
/proc/19779/task/19786/stat : 19786 (java) S 19777 19779 19712 0 -1 64 1 0 0 0 0 0 0 0 23 0 8 0 173723415 937549824 13057 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=19779/tid=19787] ppid=19777 vsize=915576 CPUtime=0
/proc/19779/task/19787/stat : 19787 (java) S 19777 19779 19712 0 -1 64 1 0 0 0 0 0 0 0 15 0 8 0 173723415 937549824 13057 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 915576

Child status: 0
Real time (s): 1.80248
CPU time (s): 1.75473
CPU user time (s): 1.61076
CPU system time (s): 0.143978
CPU usage (%): 97.3509
Max. virtual memory (cumulated for all children) (KiB): 915576

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.61075
system time used= 0.143978
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 13346
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= 1386
involuntary context switches= 1601

runsolver used 0.003999 s user time and 0.013997 s system time

The end

Launcher Data (download as text)

Begin job on node4 on Mon Jan  8 10:47:58 UTC 2007


IDJOB= 218813
IDBENCH= 5258
FILE ID= node4/218813-1168253278

PBS_JOBID= 3481706

Free space on /tmp= 66296 MiB

BENCH NAME= HOME/pub/bench/CPAI06/chessboardColoration/cc-9-9-2.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/218813-1168253278/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node4/watcher-218813-1168253278 -o ROOT/results/node4/solver-218813-1168253278 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/218813-1168253278/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  c4173727a6ec0cd98f872aeaa7cc40fb

RANDOM SEED= 272810315

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		: 3000.223
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		: 3000.223
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:       1575152 kB
Buffers:         56736 kB
Cached:         200812 kB
SwapCached:       2552 kB
Active:         319980 kB
Inactive:       104780 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1575152 kB
SwapTotal:     4192956 kB
SwapFree:      4182144 kB
Dirty:           20316 kB
Writeback:           0 kB
Mapped:         187096 kB
Slab:            40376 kB
Committed_AS:  5641360 kB
PageTables:       2692 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 node4 on Mon Jan  8 10:48:00 UTC 2007