Trace number 231902

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 ESACSAT 0.945855 0.974927

DiagnosticValue
CHECKS236227
NODES186

General information on the benchmark

Namegeom/
geo50-20-d4-75-49_ext.xml
MD5SUM9110350dfbdb54f2dbd4618d5d6efc71
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.141977
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables50
Number of constraints425
Maximum constraint arity2
Maximum domain size20
Number of constraints which are defined in extension425
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.30	   
0.30	Abscon 109 (November, 2006)
0.30	   
0.30	   configuration
0.30	     name=esac.xml
0.33	   
0.33	   instance
0.33	     name=/tmp/evaluation/231902-1168318822/unknown.xml
0.36	   
0.36	   domains being loaded...
0.36	   
0.36	   variables being loaded...
0.40	     nbVariables=50  nbDomainTypes=1  minDomainSize=20  maxDomainSize=20
0.40	       =>  wckTime=0.097  cpuTime=0.08  mem=6M951
0.40	   
0.40	   relations being loaded...
0.52	   
0.52	   constraints being loaded...
0.63	     nbConstraints=425  nbRelationTypes=425  nbExtensionStructures=425  nbSharedExtensionStructures=0
0.63	     nbConflictsStructures=425  nbSharedConflictsStructures=0  nbSharedBinaryRepresentations=3963  maxDegree=26
0.63	     maxArity=2
0.63	       =>  wckTime=0.335  cpuTime=0.25  mem=14M753
0.68	   
0.68	   solver IterativeSystematicSolver being built... 
0.83	       =>  wckTime=0.531  cpuTime=0.38  mem=15M367
0.88	   
0.88	   preprocessing
0.88	     nbConstraintChecks=65335  nbPropagations=1010  nbRevisions=6964  nbUselessRevisions=5736  nbSingletonTests=65
0.88	     nbEffectiveSingletonTests=0  nbESACBranches=7  nbRemovedValues=0  detectedInconsistency=no
0.88	       =>  wckTime=0.049  cpuTime=0.03  mem=15M367
0.91	   
0.91	   search
0.91	     run=0  nbConstraintChecks=29824  nbPropagations=1461  nbRevisions=11614  nbUselessRevisions=9516  nbAssignments=29
0.91	     nbFailedAssignments=9  nbBacktracks=12  nbVisitedNodes=45  nbRestartNogoods=0  mapSize=10  nbInferences=0
0.91	     nbTooLargeKeys=0
0.91	       =>  wckTime=0.073  cpuTime=0.05  mem=15M367
0.92	   
0.92	   search
0.92	     run=1  nbConstraintChecks=61145  nbPropagations=3432  nbRevisions=28476  nbUselessRevisions=23288  nbAssignments=63
0.92	     nbFailedAssignments=20  nbBacktracks=29  nbVisitedNodes=97  nbRestartNogoods=3  mapSize=24  nbInferences=0
0.92	     nbTooLargeKeys=0
0.92	       =>  wckTime=0.091  cpuTime=0.06  mem=15M367
0.94	   
0.94	   search
0.94	     run=2  nbConstraintChecks=125367  nbPropagations=6271  nbRevisions=55669  nbUselessRevisions=45282
0.94	     nbAssignments=109  nbFailedAssignments=38  nbBacktracks=53  nbVisitedNodes=178  nbRestartNogoods=5  mapSize=45
0.94	     nbInferences=0  nbTooLargeKeys=0
0.94	       =>  wckTime=0.104  cpuTime=0.07  mem=15M367
0.95	   
0.95	   search
0.95	     run=3  nbConstraintChecks=170892  nbPropagations=9797  nbRevisions=89701  nbUselessRevisions=72724
0.95	     nbAssignments=186  nbFailedAssignments=54  nbBacktracks=64  nbVisitedNodes=278  nbRestartNogoods=9  mapSize=54
0.95	     nbInferences=0  nbTooLargeKeys=0
0.95	       =>  wckTime=0.117  cpuTime=0.08  mem=15M367
0.95	   
0.95	   global
0.95	     nbConstraintChecks=236227  nbPropagations=10807  nbRevisions=96665  nbUselessRevisions=78460  nbRestartNogoods=9
0.95	     solvingWckTime=0.118  solvingCpuTime=0.08  expiredTime=no  totalExploration=no  nbFoundSolutions=1
0.95	     globalCpuTime=0.51
0.95	       =>  wckTime=0.652  cpuTime=0.47  mem=15M367
0.95	   
0.95	s SATISFIABLE
0.95	v 19 20 7 11 1 15 13 12 13 17 20 7 20 20 6 5 8 4 1 13 5 11 13 4 16 1 18 8 18 17 19 12 3 19 11 15 7 4 13 4 19 8 9 19 9 18 5 4 11 10 
0.95	d NODES 186
0.95	d CHECKS 236227
0.95	   
0.96	   totalWckTime=0.728  totalCpuTime=0.51

Verifier Data (download as text)

OK

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node42/watcher-231902-1168318822 -o ROOT/results/node42/solver-231902-1168318822 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/231902-1168318822/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: 0.32 0.74 1.02 4/68 2405
/proc/meminfo: memFree=1560488/2055920 swapFree=4191892/4192956
[pid=2404] ppid=2402 vsize=1784 CPUtime=0
/proc/2404/stat : 2404 (java) D 2402 2404 595 0 -1 0 192 0 0 0 0 0 0 0 18 0 1 0 180282405 1826816 158 18446744073709551615 134512640 134570532 4294956624 18446744073709551615 4294960144 0 2147483391 4096 0 18446744072099781622 0 0 17 1 0 0
/proc/2404/statm: 446 158 123 14 0 91 0

[startup+0.103386 s]
/proc/loadavg: 0.32 0.74 1.02 4/68 2405
/proc/meminfo: memFree=1560488/2055920 swapFree=4191892/4192956
[pid=2404] ppid=2402 vsize=914988 CPUtime=0.08
/proc/2404/stat : 2404 (java) R 2402 2404 595 0 -1 0 3013 0 1 0 7 1 0 0 16 0 8 0 180282405 936947712 2759 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4153785378 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/2404/statm: 228747 2759 1434 14 0 215242 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 914988

[startup+0.511431 s]
/proc/loadavg: 0.32 0.74 1.02 4/68 2405
/proc/meminfo: memFree=1560488/2055920 swapFree=4191892/4192956
[pid=2404] ppid=2402 vsize=915328 CPUtime=0.48
/proc/2404/stat : 2404 (java) S 2402 2404 595 0 -1 0 6936 0 1 0 46 2 0 0 16 0 8 0 180282405 937295872 6675 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4294960144 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/2404/statm: 228832 6675 2137 14 0 215302 0
Current children cumulated CPU time (s) 0.48
Current children cumulated vsize (KiB) 915328

Child status: 0
Real time (s): 0.974927
CPU time (s): 0.945855
CPU user time (s): 0.891864
CPU system time (s): 0.053991
CPU usage (%): 97.018
Max. virtual memory (cumulated for all children) (KiB): 915456

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.891864
system time used= 0.053991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8934
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= 680
involuntary context switches= 78

runsolver used 0.001999 s user time and 0.004999 s system time

The end

Launcher Data (download as text)

Begin job on node42 on Tue Jan  9 05:00:27 UTC 2007


IDJOB= 231902
IDBENCH= 6491
FILE ID= node42/231902-1168318822

PBS_JOBID= 3502849

Free space on /tmp= 66563 MiB

BENCH NAME= HOME/pub/bench/CPAI06/geom/geo50-20-d4-75-49_ext.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/231902-1168318822/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node42/watcher-231902-1168318822 -o ROOT/results/node42/solver-231902-1168318822 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/231902-1168318822/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  9110350dfbdb54f2dbd4618d5d6efc71

RANDOM SEED= 694316690

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		: 3000.229
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:       1560888 kB
Buffers:         55636 kB
Cached:         361304 kB
SwapCached:        376 kB
Active:         180480 kB
Inactive:       256108 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1560888 kB
SwapTotal:     4192956 kB
SwapFree:      4191892 kB
Dirty:            2228 kB
Writeback:           0 kB
Mapped:          28500 kB
Slab:            44180 kB
Committed_AS:  3894944 kB
PageTables:       1616 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= 66563 MiB



End job on node42 on Tue Jan  9 05:00:33 UTC 2007