Trace number 244510

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 1.10483 1.21187

DiagnosticValue
CHECKS8436
NODES276

General information on the benchmark

Namedimacs/jnhUnsat/
jnh20_ext.xml
MD5SUM50ecb9a00270bf368513667c59f80d9d
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.072988
SatisfiableNO
(Un)Satisfiability was proved
Number of variables100
Number of constraints846
Maximum constraint arity11
Maximum domain size2
Number of constraints which are defined in extension846
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.38	   
0.38	Abscon 109 (November, 2006)
0.38	   
0.38	   configuration
0.38	     name=esac.xml
0.41	   
0.41	   instance
0.41	     name=/tmp/evaluation/244510-1168385872/unknown.xml
0.44	   
0.44	   domains being loaded...
0.44	   
0.44	   variables being loaded...
0.47	     nbVariables=100  nbDomainTypes=1  minDomainSize=2  maxDomainSize=2
0.47	       =>  wckTime=0.091  cpuTime=0.09  mem=6M951
0.47	   
0.47	   relations being loaded...
0.52	   
0.52	   constraints being loaded...
0.68	     nbConstraints=846  nbRelationTypes=231  nbExtensionStructures=231  nbSharedExtensionStructures=615
0.68	     nbConflictsStructures=231  nbSharedConflictsStructures=615  nbSharedBinaryRepresentations=24  maxDegree=60
0.68	     maxArity=11
0.68	       =>  wckTime=0.298  cpuTime=0.21  mem=11M827
0.72	   
0.72	   solver IterativeSystematicSolver being built... 
0.93	       =>  wckTime=0.549  cpuTime=0.38  mem=23M4
1.05	   
1.05	   preprocessing
1.05	     nbConstraintChecks=3387  nbValidityChecks=1792  nbPropagations=807  nbRevisions=4247  nbUselessRevisions=3607
1.05	     nbSingletonTests=224  nbEffectiveSingletonTests=1  nbESACBranches=17  nbRemovedValues=10  detectedInconsistency=no
1.05	       =>  wckTime=0.122  cpuTime=0.09  mem=23M4
1.10	   
1.10	   search
1.10	     run=0  nbConstraintChecks=1312  nbValidityChecks=1185  nbPropagations=991  nbRevisions=6185
1.10	     nbUselessRevisions=5318  nbAssignments=46  nbFailedAssignments=2  nbBacktracks=20  nbVisitedNodes=53
1.10	     nbRestartNogoods=0  mapSize=4  nbInferences=0  nbTooLargeKeys=0
1.10	       =>  wckTime=0.165  cpuTime=0.12  mem=23M4
1.11	   
1.11	   search
1.11	     run=1  nbConstraintChecks=2028  nbValidityChecks=2038  nbPropagations=2126  nbRevisions=13539
1.11	     nbUselessRevisions=11637  nbAssignments=96  nbFailedAssignments=4  nbBacktracks=51  nbVisitedNodes=107
1.11	     nbRestartNogoods=1  mapSize=8  nbInferences=0  nbTooLargeKeys=0
1.11	       =>  wckTime=0.184  cpuTime=0.14  mem=23M4
1.12	   
1.12	   search
1.12	     run=2  nbConstraintChecks=2379  nbValidityChecks=2404  nbPropagations=3328  nbRevisions=21406
1.12	     nbUselessRevisions=18395  nbAssignments=140  nbFailedAssignments=6  nbBacktracks=80  nbVisitedNodes=154
1.12	     nbRestartNogoods=2  mapSize=10  nbInferences=0  nbTooLargeKeys=0
1.12	       =>  wckTime=0.194  cpuTime=0.15  mem=23M4
1.14	   
1.14	   search
1.14	     run=3  nbConstraintChecks=2928  nbValidityChecks=2972  nbPropagations=4642  nbRevisions=30048
1.14	     nbUselessRevisions=25789  nbAssignments=196  nbFailedAssignments=10  nbBacktracks=120  nbVisitedNodes=216
1.14	     nbRestartNogoods=3  mapSize=15  nbInferences=0  nbTooLargeKeys=0
1.14	       =>  wckTime=0.209  cpuTime=0.16  mem=23M4
1.18	   
1.18	   search
1.18	     run=4  nbConstraintChecks=5049  nbValidityChecks=5203  nbPropagations=6357  nbRevisions=41822
1.18	     nbUselessRevisions=35782  nbAssignments=276  nbFailedAssignments=19  nbBacktracks=192  nbVisitedNodes=314
1.18	     nbRestartNogoods=4  mapSize=33  nbInferences=0  nbTooLargeKeys=0
1.18	       =>  wckTime=0.25  cpuTime=0.2  mem=23M4
1.18	   
1.18	   search
1.18	     run=4  nbConstraintChecks=5049  nbValidityChecks=5203  nbPropagations=6357  nbRevisions=41822
1.18	     nbUselessRevisions=35782  nbAssignments=276  nbFailedAssignments=19  nbBacktracks=192  nbVisitedNodes=314
1.18	     nbRestartNogoods=4  mapSize=33  nbInferences=0  nbTooLargeKeys=0
1.18	       =>  wckTime=0.25  cpuTime=0.2  mem=23M4
1.18	   
1.18	   global
1.18	     nbConstraintChecks=8436  nbValidityChecks=6995  nbPropagations=7164  nbRevisions=46069  nbUselessRevisions=39389
1.18	     nbRestartNogoods=4  solvingWckTime=0.254  solvingCpuTime=0.2  expiredTime=no  totalExploration=yes
1.18	     nbFoundSolutions=0  globalCpuTime=0.62
1.18	       =>  wckTime=0.804  cpuTime=0.58  mem=23M4
1.19	   
1.19	s UNSATISFIABLE
1.19	d NODES 276
1.19	d CHECKS 8436
1.19	   
1.19	   totalWckTime=0.88  totalCpuTime=0.62

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/node10/watcher-244510-1168385872 -o ROOT/results/node10/solver-244510-1168385872 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/244510-1168385872/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: 0.41 0.77 0.84 3/83 30739
/proc/meminfo: memFree=1820488/2055920 swapFree=4178216/4192956
[pid=30738] ppid=30735 vsize=18540 CPUtime=0
/proc/30738/stat : 30738 (runsolver) D 30735 30738 30602 0 -1 4194368 17 0 0 0 0 0 0 0 18 0 1 0 186982525 18984960 279 18446744073709551615 4194304 4267372 548682068960 18446744073709551615 214919867687 0 2147483391 4096 24578 18446744072099781622 0 0 17 1 0 0
/proc/30738/statm: 4635 279 244 17 0 2626 0

[startup+0.106717 s]
/proc/loadavg: 0.41 0.77 0.84 3/83 30739
/proc/meminfo: memFree=1820488/2055920 swapFree=4178216/4192956
[pid=30738] ppid=30735 vsize=906128 CPUtime=0.01
/proc/30738/stat : 30738 (java) R 30735 30738 30602 0 -1 0 1973 0 1 0 1 0 0 0 18 0 1 0 186982525 927875072 1722 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4153609865 0 4 0 7368 0 0 0 17 0 0 0
/proc/30738/statm: 226532 1723 991 14 0 214115 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 906128

[startup+0.514774 s]
/proc/loadavg: 0.41 0.77 0.84 3/83 30739
/proc/meminfo: memFree=1820488/2055920 swapFree=4178216/4192956
[pid=30738] ppid=30735 vsize=915328 CPUtime=0.41
/proc/30738/stat : 30738 (java) R 30735 30738 30602 0 -1 0 6090 0 1 0 38 3 0 0 21 0 8 0 186982525 937295872 5829 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4294960144 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/30738/statm: 228832 5829 2136 14 0 215302 0
Current children cumulated CPU time (s) 0.41
Current children cumulated vsize (KiB) 915328

Child status: 0
Real time (s): 1.21187
CPU time (s): 1.10483
CPU user time (s): 1.02684
CPU system time (s): 0.077988
CPU usage (%): 91.1675
Max. virtual memory (cumulated for all children) (KiB): 915556

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.02684
system time used= 0.077988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10795
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= 1146
involuntary context switches= 1254

runsolver used 0.002999 s user time and 0.013997 s system time

The end

Launcher Data (download as text)

Begin job on node10 on Tue Jan  9 23:37:53 UTC 2007


IDJOB= 244510
IDBENCH= 8483
FILE ID= node10/244510-1168385872

PBS_JOBID= 3522629

Free space on /tmp= 66558 MiB

BENCH NAME= HOME/pub/bench/CPAI06/dimacs/jnhUnsat/jnh20_ext.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/244510-1168385872/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node10/watcher-244510-1168385872 -o ROOT/results/node10/solver-244510-1168385872 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/244510-1168385872/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  50ecb9a00270bf368513667c59f80d9d

RANDOM SEED= 296575905

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		: 3000.232
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		: 3000.232
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:       1821096 kB
Buffers:         26784 kB
Cached:         121836 kB
SwapCached:       1864 kB
Active:         126216 kB
Inactive:        56252 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1821096 kB
SwapTotal:     4192956 kB
SwapFree:      4178216 kB
Dirty:            5564 kB
Writeback:           0 kB
Mapped:          43620 kB
Slab:            37332 kB
Committed_AS:  5574388 kB
PageTables:       2152 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= 66558 MiB



End job on node10 on Tue Jan  9 23:37:56 UTC 2007