Trace number 200395

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 ACUNSAT 2.85456 2.89731

DiagnosticValue
CHECKS40332787
NODES2294

General information on the benchmark

NamequeensKnights/
queensKnights-25-5-add.xml
MD5SUMb90f8a45328f6041d4909cc0c2664efa
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 benchmark1.76173
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables30
Number of constraints310
Maximum constraint arity2
Maximum domain size625
Number of constraints which are defined in extension0
Number of constraints which are defined in intension310
Global constraints used (with number of constraints)

Solver Data (download as text)

0.31	   
0.31	Abscon 109 (November, 2006)
0.31	   
0.31	   configuration
0.32	     name=mac.xml
0.35	   
0.35	   instance
0.35	     name=/tmp/evaluation/200395-1168072132/unknown.xml
0.38	   
0.38	   domains being loaded...
0.38	   
0.38	   variables being loaded...
0.42	     nbVariables=30  nbDomainTypes=2  minDomainSize=25  maxDomainSize=625
0.42	       =>  wckTime=0.105  cpuTime=0.09  mem=6M951
0.42	   
0.42	   predicates being loaded...
0.43	   
0.43	   constraints being loaded...
1.13	     nbConstraints=310  nbConvertedConstraints=310  nbConvertConstraintsChecks=796250  nbExtensionStructures=26
1.13	     nbSharedExtensionStructures=284  nbConflictsStructures=26  nbSharedConflictsStructures=284
1.13	     nbSharedBinaryRepresentations=2075  maxDegree=24  maxArity=2
1.13	       =>  wckTime=0.814  cpuTime=0.71  mem=10M852
1.17	   
1.17	   solver IterativeSystematicSolver being built... 
1.34	       =>  wckTime=1.018  cpuTime=0.84  mem=13M700
1.34	   
1.34	   preprocessing
1.34	     nbConstraintChecks=0  nbPropagations=30  nbRevisions=0  nbUselessRevisions=0  nbRemovedValues=0
1.34	     detectedInconsistency=no
1.34	       =>  wckTime=0.0050  cpuTime=0.01  mem=13M700
1.40	   
1.40	   search
1.40	     run=0  nbConstraintChecks=10464  nbPropagations=452  nbRevisions=1647  nbUselessRevisions=913  nbAssignments=29
1.40	     nbFailedAssignments=8  nbBacktracks=10  nbVisitedNodes=47  nbRestartNogoods=0  mapSize=10  nbInferences=0
1.40	     nbTooLargeKeys=0
1.40	       =>  wckTime=0.061  cpuTime=0.04  mem=14M675
2.02	   
2.02	   search
2.02	     run=1  nbConstraintChecks=17073678  nbPropagations=7444  nbRevisions=15449  nbUselessRevisions=5831
2.02	     nbAssignments=999  nbFailedAssignments=944  nbBacktracks=26  nbVisitedNodes=1961  nbRestartNogoods=4  mapSize=22
2.02	     nbInferences=2  nbTooLargeKeys=0
2.02	       =>  wckTime=0.685  cpuTime=0.64  mem=14M675
2.48	   
2.48	   search
2.48	     run=2  nbConstraintChecks=28706368  nbPropagations=19458  nbRevisions=38941  nbUselessRevisions=14100
2.48	     nbAssignments=1673  nbFailedAssignments=1573  nbBacktracks=49  nbVisitedNodes=3278  nbRestartNogoods=6  mapSize=43
2.48	     nbInferences=8  nbTooLargeKeys=0
2.48	       =>  wckTime=1.145  cpuTime=1.07  mem=14M675
2.87	   
2.87	   search
2.87	     run=3  nbConstraintChecks=40332787  nbPropagations=36034  nbRevisions=70724  nbUselessRevisions=24848
2.87	     nbAssignments=2294  nbFailedAssignments=2194  nbBacktracks=50  nbVisitedNodes=4520  nbRestartNogoods=8  mapSize=43
2.87	     nbInferences=8  nbTooLargeKeys=0
2.87	       =>  wckTime=1.531  cpuTime=1.45  mem=14M675
2.87	   
2.87	   global
2.87	     nbConstraintChecks=40332787  nbPropagations=36064  nbRevisions=70724  nbUselessRevisions=24848  nbRestartNogoods=8
2.87	     solvingWckTime=1.532  solvingCpuTime=1.45  expiredTime=no  totalExploration=yes  nbFoundSolutions=0
2.87	     globalCpuTime=2.35
2.87	       =>  wckTime=2.553  cpuTime=2.29  mem=14M675
2.87	   
2.87	s UNSATISFIABLE
2.87	d NODES 2294
2.87	d CHECKS 40332787
2.87	   
2.87	   totalWckTime=2.638  totalCpuTime=2.35

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/node13/watcher-200395-1168072132 -o ROOT/results/node13/solver-200395-1168072132 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar mac.xml 1 XSax /tmp/evaluation/200395-1168072132/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: 1.79 1.95 1.93 4/93 4319
/proc/meminfo: memFree=1280680/2055920 swapFree=4192812/4192956
[pid=4318] ppid=4316 vsize=907676 CPUtime=0.03
/proc/4318/stat : 4318 (java) S 4316 4318 4083 0 -1 0 2171 0 1 0 2 1 0 0 19 0 4 0 155608173 929460224 1920 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 7368 18446744073709551615 0 0 17 1 0 0
/proc/4318/statm: 226919 1920 1089 14 0 214502 0
[pid=4318/tid=4320] ppid=4316 vsize=907676 CPUtime=0
/proc/4318/task/4320/stat : 4320 (java) S 4316 4318 4083 0 -1 64 6 0 0 0 0 0 0 0 19 0 4 0 155608176 929460224 1920 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 0 0 7368 0 0 0 -1 1 0 0
[pid=4318/tid=4321] ppid=4316 vsize=907676 CPUtime=0
/proc/4318/task/4321/stat : 4321 (java) S 4316 4318 4083 0 -1 64 10 0 0 0 0 0 0 0 19 0 4 0 155608177 929460224 1920 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 7368 0 0 0 -1 1 0 0
[pid=4318/tid=4322] ppid=4316 vsize=907676 CPUtime=0
/proc/4318/task/4322/stat : 4322 (java) R 4316 4318 4083 0 -1 64 0 0 0 0 0 0 0 0 20 0 4 0 155608177 929460224 1920 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 12726232 0 4 0 7368 0 0 0 -1 1 0 0

[startup+0.104389 s]
/proc/loadavg: 1.79 1.95 1.93 4/93 4319
/proc/meminfo: memFree=1280680/2055920 swapFree=4192812/4192956
[pid=4318] ppid=4316 vsize=914988 CPUtime=0.08
/proc/4318/stat : 4318 (java) R 4316 4318 4083 0 -1 0 3005 0 1 0 7 1 0 0 17 0 8 0 155608173 936947712 2751 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4155071264 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/4318/statm: 228747 2751 1430 14 0 215242 0
[pid=4318/tid=4320] ppid=4316 vsize=914988 CPUtime=0
/proc/4318/task/4320/stat : 4320 (java) S 4316 4318 4083 0 -1 64 6 0 0 0 0 0 0 0 19 0 8 0 155608176 936947712 2751 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 0 0 23759 0 0 0 -1 1 0 0
[pid=4318/tid=4321] ppid=4316 vsize=914988 CPUtime=0
/proc/4318/task/4321/stat : 4321 (java) S 4316 4318 4083 0 -1 64 10 0 0 0 0 0 0 0 19 0 8 0 155608177 936947712 2751 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=4318/tid=4322] ppid=4316 vsize=914988 CPUtime=0
/proc/4318/task/4322/stat : 4322 (java) S 4316 4318 4083 0 -1 64 4 0 0 0 0 0 0 0 20 0 8 0 155608177 936947712 2751 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 914988

[startup+0.51545 s]
/proc/loadavg: 1.79 1.95 1.93 4/93 4319
/proc/meminfo: memFree=1280680/2055920 swapFree=4192812/4192956
[pid=4318] ppid=4316 vsize=915328 CPUtime=0.5
/proc/4318/stat : 4318 (java) S 4316 4318 4083 0 -1 0 6494 0 1 0 46 4 0 0 18 0 8 0 155608173 937295872 6233 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/4318/statm: 228832 6233 2145 14 0 215302 0
[pid=4318/tid=4320] ppid=4316 vsize=915328 CPUtime=0
/proc/4318/task/4320/stat : 4320 (java) S 4316 4318 4083 0 -1 64 6 0 0 0 0 0 0 0 19 0 8 0 155608176 937295872 6233 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 0 0 23759 0 0 0 -1 1 0 0
[pid=4318/tid=4321] ppid=4316 vsize=915328 CPUtime=0
/proc/4318/task/4321/stat : 4321 (java) S 4316 4318 4083 0 -1 64 10 0 0 0 0 0 0 0 19 0 8 0 155608177 937295872 6233 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=4318/tid=4322] ppid=4316 vsize=915328 CPUtime=0
/proc/4318/task/4322/stat : 4322 (java) S 4316 4318 4083 0 -1 64 4 0 0 0 0 0 0 0 20 0 8 0 155608177 937295872 6233 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 915328

[startup+1.33656 s]
/proc/loadavg: 1.79 1.95 1.93 3/100 4326
/proc/meminfo: memFree=1261680/2055920 swapFree=4192812/4192956
[pid=4318] ppid=4316 vsize=915460 CPUtime=1.31
/proc/4318/stat : 4318 (java) R 4316 4318 4083 0 -1 0 8251 0 1 0 124 7 0 0 23 0 8 0 155608173 937431040 7988 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4072940336 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/4318/statm: 228865 7988 2526 14 0 215335 0
[pid=4318/tid=4320] ppid=4316 vsize=915460 CPUtime=0.02
/proc/4318/task/4320/stat : 4320 (java) S 4316 4318 4083 0 -1 64 215 0 0 0 2 0 0 0 16 0 8 0 155608176 937431040 7988 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 0 0 23759 0 0 0 -1 1 0 0
[pid=4318/tid=4321] ppid=4316 vsize=915460 CPUtime=0
/proc/4318/task/4321/stat : 4321 (java) S 4316 4318 4083 0 -1 64 11 0 0 0 0 0 0 0 16 0 8 0 155608177 937431040 7988 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=4318/tid=4322] ppid=4316 vsize=915460 CPUtime=0
/proc/4318/task/4322/stat : 4322 (java) S 4316 4318 4083 0 -1 64 5 0 0 0 0 0 0 0 16 0 8 0 155608177 937431040 7988 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=4318/tid=4323] ppid=4316 vsize=915460 CPUtime=0
/proc/4318/task/4323/stat : 4323 (java) S 4316 4318 4083 0 -1 64 1 0 0 0 0 0 0 0 18 0 8 0 155608180 937431040 7988 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=4318/tid=4324] ppid=4316 vsize=915460 CPUtime=0.17
/proc/4318/task/4324/stat : 4324 (java) S 4316 4318 4083 0 -1 64 350 0 0 0 16 1 0 0 16 0 8 0 155608180 937431040 7988 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=4318/tid=4325] ppid=4316 vsize=915460 CPUtime=0
/proc/4318/task/4325/stat : 4325 (java) S 4316 4318 4083 0 -1 64 1 0 0 0 0 0 0 0 19 0 8 0 155608180 937431040 7988 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=4318/tid=4326] ppid=4316 vsize=915460 CPUtime=0
/proc/4318/task/4326/stat : 4326 (java) S 4316 4318 4083 0 -1 64 0 0 0 0 0 0 0 0 15 0 8 0 155608180 937431040 7988 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 915460

Child status: 0
Real time (s): 2.89731
CPU time (s): 2.85456
CPU user time (s): 2.76458
CPU system time (s): 0.089986
CPU usage (%): 98.5248
Max. virtual memory (cumulated for all children) (KiB): 915460

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.76458
system time used= 0.089986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8568
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= 1004
involuntary context switches= 1156

runsolver used 0.010998 s user time and 0.011998 s system time

The end

Launcher Data (download as text)

Begin job on node13 on Sat Jan  6 08:28:52 UTC 2007


IDJOB= 200395
IDBENCH= 3705
FILE ID= node13/200395-1168072132

PBS_JOBID= 3475744

Free space on /tmp= 66318 MiB

BENCH NAME= HOME/pub/bench/CPAI06/queensKnights/queensKnights-25-5-add.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar mac.xml 1 XSax /tmp/evaluation/200395-1168072132/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-200395-1168072132 -o ROOT/results/node13/solver-200395-1168072132 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar mac.xml 1 XSax /tmp/evaluation/200395-1168072132/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  b90f8a45328f6041d4909cc0c2664efa

RANDOM SEED= 816329101

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		: 3000.247
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		: 3000.247
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:       1281160 kB
Buffers:         70996 kB
Cached:         522440 kB
SwapCached:          0 kB
Active:         410840 kB
Inactive:       269096 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1281160 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1900 kB
Writeback:           0 kB
Mapped:         115560 kB
Slab:            79456 kB
Committed_AS:  4386232 kB
PageTables:       2516 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= 66318 MiB



End job on node13 on Sat Jan  6 08:28:55 UTC 2007