Trace number 242796

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 0.824874 0.864789

DiagnosticValue
CHECKS1890
NODES415

General information on the benchmark

Namedimacs/aim-100/
aim-100-2-0-unsat-3_ext.xml
MD5SUM7c69d717b694259373148ea9b065febe
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 benchmark0.025995
SatisfiableNO
(Un)Satisfiability was proved
Number of variables100
Number of constraints193
Maximum constraint arity3
Maximum domain size2
Number of constraints which are defined in extension193
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.29	   
0.30	Abscon 109 (November, 2006)
0.30	   
0.30	   configuration
0.30	     name=esac.xml
0.32	   
0.33	   instance
0.33	     name=/tmp/evaluation/242796-1168382198/unknown.xml
0.35	   
0.35	   domains being loaded...
0.36	   
0.36	   variables being loaded...
0.39	     nbVariables=100  nbDomainTypes=1  minDomainSize=2  maxDomainSize=2
0.39	       =>  wckTime=0.095  cpuTime=0.08  mem=6M951
0.39	   
0.39	   relations being loaded...
0.39	   
0.39	   constraints being loaded...
0.47	     nbConstraints=193  nbRelationTypes=13  nbExtensionStructures=13  nbSharedExtensionStructures=180
0.47	     nbConflictsStructures=13  nbSharedConflictsStructures=180  nbSharedBinaryRepresentations=5  maxDegree=6  maxArity=3
0.47	       =>  wckTime=0.173  cpuTime=0.14  mem=7M927
0.50	   
0.50	   solver IterativeSystematicSolver being built... 
0.68	       =>  wckTime=0.389  cpuTime=0.3  mem=16M373
0.72	   
0.72	   preprocessing
0.72	     nbConstraintChecks=376  nbValidityChecks=188  nbPropagations=346  nbRevisions=518  nbUselessRevisions=403
0.72	     nbSingletonTests=147  nbEffectiveSingletonTests=0  nbESACBranches=5  nbRemovedValues=0  detectedInconsistency=no
0.73	       =>  wckTime=0.038  cpuTime=0.02  mem=16M373
0.76	   
0.76	   search
0.76	     run=0  nbConstraintChecks=474  nbValidityChecks=669  nbPropagations=640  nbRevisions=1509  nbUselessRevisions=1102
0.76	     nbAssignments=50  nbFailedAssignments=6  nbBacktracks=11  nbVisitedNodes=62  nbRestartNogoods=0  mapSize=9
0.76	     nbInferences=0  nbTooLargeKeys=0
0.76	       =>  wckTime=0.077  cpuTime=0.04  mem=16M373
0.78	   
0.78	   search
0.78	     run=1  nbConstraintChecks=615  nbValidityChecks=878  nbPropagations=1374  nbRevisions=3278  nbUselessRevisions=2390
0.78	     nbAssignments=112  nbFailedAssignments=9  nbBacktracks=28  nbVisitedNodes=129  nbRestartNogoods=2  mapSize=13
0.78	     nbInferences=0  nbTooLargeKeys=0
0.78	       =>  wckTime=0.09  cpuTime=0.05  mem=16M373
0.79	   
0.79	   search
0.79	     run=2  nbConstraintChecks=889  nbValidityChecks=1237  nbPropagations=2261  nbRevisions=5490
0.79	     nbUselessRevisions=3982  nbAssignments=191  nbFailedAssignments=18  nbBacktracks=53  nbVisitedNodes=223
0.79	     nbRestartNogoods=3  mapSize=24  nbInferences=0  nbTooLargeKeys=0
0.79	       =>  wckTime=0.1  cpuTime=0.06  mem=16M373
0.80	   
0.80	   search
0.80	     run=3  nbConstraintChecks=1229  nbValidityChecks=1863  nbPropagations=3448  nbRevisions=8393
0.80	     nbUselessRevisions=6059  nbAssignments=350  nbFailedAssignments=27  nbBacktracks=90  nbVisitedNodes=306
0.80	     nbRestartNogoods=6  mapSize=36  nbInferences=0  nbTooLargeKeys=0
0.80	       =>  wckTime=0.115  cpuTime=0.07  mem=16M373
0.81	   
0.81	   search
0.81	     run=4  nbConstraintChecks=1514  nbValidityChecks=2251  nbPropagations=4829  nbRevisions=11704
0.81	     nbUselessRevisions=8338  nbAssignments=415  nbFailedAssignments=47  nbBacktracks=136  nbVisitedNodes=408
0.81	     nbRestartNogoods=8  mapSize=73  nbInferences=0  nbTooLargeKeys=0
0.81	       =>  wckTime=0.124  cpuTime=0.08  mem=16M373
0.81	   
0.81	   global
0.81	     nbConstraintChecks=1890  nbValidityChecks=2439  nbPropagations=5175  nbRevisions=12222  nbUselessRevisions=8741
0.81	     nbRestartNogoods=8  solvingWckTime=0.127  solvingCpuTime=0.08  expiredTime=no  totalExploration=yes
0.81	     nbFoundSolutions=0  globalCpuTime=0.42
0.81	       =>  wckTime=0.517  cpuTime=0.38  mem=16M373
0.81	   
0.81	s UNSATISFIABLE
0.81	d NODES 415
0.81	d CHECKS 1890
0.81	   
0.82	   totalWckTime=0.592  totalCpuTime=0.42

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-242796-1168382198 -o ROOT/results/node4/solver-242796-1168382198 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/242796-1168382198/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: 0.80 1.07 1.42 4/81 30089
/proc/meminfo: memFree=1777360/2055920 swapFree=4182144/4192956
[pid=30088] ppid=30086 vsize=1816 CPUtime=0
/proc/30088/stat : 30088 (java) R 30086 30088 29724 0 -1 0 175 0 0 0 0 0 0 0 19 0 1 0 186615387 1859584 146 18446744073709551615 134512640 134570532 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/30088/statm: 446 147 112 14 0 91 0

[startup+0.107709 s]
/proc/loadavg: 0.80 1.07 1.42 4/81 30089
/proc/meminfo: memFree=1777360/2055920 swapFree=4182144/4192956
[pid=30088] ppid=30086 vsize=914988 CPUtime=0.09
/proc/30088/stat : 30088 (java) R 30086 30088 29724 0 -1 0 3088 0 1 0 8 1 0 0 16 0 8 0 186615387 936947712 2834 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4153795232 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/30088/statm: 228747 2834 1457 14 0 215242 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 914988

[startup+0.519745 s]
/proc/loadavg: 0.80 1.07 1.42 4/81 30089
/proc/meminfo: memFree=1777360/2055920 swapFree=4182144/4192956
[pid=30088] ppid=30086 vsize=915460 CPUtime=0.5
/proc/30088/stat : 30088 (java) R 30086 30088 29724 0 -1 0 6811 0 1 0 46 4 0 0 16 0 8 0 186615387 937431040 6549 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4152780383 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/30088/statm: 228865 6549 2369 14 0 215335 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 915460

Child status: 0
Real time (s): 0.864789
CPU time (s): 0.824874
CPU user time (s): 0.765883
CPU system time (s): 0.058991
CPU usage (%): 95.3844
Max. virtual memory (cumulated for all children) (KiB): 915460

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.765883
system time used= 0.058991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9055
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= 617
involuntary context switches= 101

runsolver used 0.001999 s user time and 0.010998 s system time

The end

Launcher Data (download as text)

Begin job on node4 on Tue Jan  9 22:36:38 UTC 2007


IDJOB= 242796
IDBENCH= 7419
FILE ID= node4/242796-1168382198

PBS_JOBID= 3522436

Free space on /tmp= 66531 MiB

BENCH NAME= HOME/pub/bench/CPAI06/dimacs/aim-100/aim-100-2-0-unsat-3_ext.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/242796-1168382198/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node4/watcher-242796-1168382198 -o ROOT/results/node4/solver-242796-1168382198 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/242796-1168382198/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  7c69d717b694259373148ea9b065febe

RANDOM SEED= 235359368

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:       1777840 kB
Buffers:         54200 kB
Cached:         127016 kB
SwapCached:       2520 kB
Active:         160176 kB
Inactive:        62896 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1777840 kB
SwapTotal:     4192956 kB
SwapFree:      4182144 kB
Dirty:            1748 kB
Writeback:           0 kB
Mapped:          51340 kB
Slab:            40036 kB
Committed_AS:  5793396 kB
PageTables:       2232 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= 66530 MiB



End job on node4 on Tue Jan  9 22:36:40 UTC 2007