Trace number 201956

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 0.812875 0.814425

DiagnosticValue
CHECKS22685
NODES77

General information on the benchmark

Namecomposed/composed-25-1-80/
composed-25-1-80-2_ext.xml
MD5SUMab1eefca7324098cbdabf6af7190d8e1
Bench Category2-ARY-EXT (binary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.027995
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables33
Number of constraints302
Maximum constraint arity2
Maximum domain size10
Number of constraints which are defined in extension302
Number of constraints which are defined in intension0
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=mac.xml
0.32	   
0.32	   instance
0.32	     name=/tmp/evaluation/201956-1168072500/unknown.xml
0.35	   
0.35	   domains being loaded...
0.35	   
0.35	   variables being loaded...
0.38	     nbVariables=33  nbDomainTypes=1  minDomainSize=10  maxDomainSize=10
0.38	       =>  wckTime=0.09  cpuTime=0.08  mem=6M951
0.38	   
0.38	   relations being loaded...
0.45	   
0.45	   constraints being loaded...
0.55	     nbConstraints=302  nbRelationTypes=302  nbExtensionStructures=302  nbSharedExtensionStructures=0
0.55	     nbConflictsStructures=302  nbSharedConflictsStructures=0  nbSharedBinaryRepresentations=5459  maxDegree=26
0.55	     maxArity=2
0.55	       =>  wckTime=0.252  cpuTime=0.17  mem=9M910
0.58	   
0.58	   solver IterativeSystematicSolver being built... 
0.72	       =>  wckTime=0.431  cpuTime=0.3  mem=13M547
0.73	   
0.73	   preprocessing
0.73	     nbConstraintChecks=129  nbPropagations=35  nbRevisions=13  nbUselessRevisions=10  nbRemovedValues=3
0.73	     detectedInconsistency=no
0.73	       =>  wckTime=0.0040  cpuTime=0.0  mem=13M547
0.77	   
0.77	   search
0.77	     run=0  nbConstraintChecks=8528  nbPropagations=373  nbRevisions=1740  nbUselessRevisions=1216  nbAssignments=35
0.77	     nbFailedAssignments=7  nbBacktracks=11  nbVisitedNodes=52  nbRestartNogoods=0  mapSize=11  nbInferences=0
0.77	     nbTooLargeKeys=0
0.77	       =>  wckTime=0.04  cpuTime=0.03  mem=14M538
0.78	   
0.78	   search
0.78	     run=1  nbConstraintChecks=19218  nbPropagations=1128  nbRevisions=5648  nbUselessRevisions=3955  nbAssignments=71
0.78	     nbFailedAssignments=14  nbBacktracks=26  nbVisitedNodes=106  nbRestartNogoods=2  mapSize=25  nbInferences=0
0.78	     nbTooLargeKeys=0
0.78	       =>  wckTime=0.056  cpuTime=0.04  mem=14M538
0.79	   
0.79	   search
0.79	     run=2  nbConstraintChecks=22556  nbPropagations=1935  nbRevisions=10023  nbUselessRevisions=7003  nbAssignments=77
0.79	     nbFailedAssignments=20  nbBacktracks=27  nbVisitedNodes=118  nbRestartNogoods=4  mapSize=25  nbInferences=0
0.79	     nbTooLargeKeys=0
0.79	       =>  wckTime=0.063  cpuTime=0.04  mem=14M538
0.79	   
0.79	   global
0.79	     nbConstraintChecks=22685  nbPropagations=1970  nbRevisions=10036  nbUselessRevisions=7013  nbRestartNogoods=4
0.79	     solvingWckTime=0.064  solvingCpuTime=0.04  expiredTime=no  totalExploration=yes  nbFoundSolutions=0
0.79	     globalCpuTime=0.38
0.79	       =>  wckTime=0.496  cpuTime=0.34  mem=14M538
0.79	   
0.79	s UNSATISFIABLE
0.79	d NODES 77
0.79	d CHECKS 22685
0.79	   
0.79	   totalWckTime=0.569  totalCpuTime=0.38

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/node43/watcher-201956-1168072500 -o ROOT/results/node43/solver-201956-1168072500 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar mac.xml 1 XSax /tmp/evaluation/201956-1168072500/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: 0.93 1.58 1.70 6/68 5978
/proc/meminfo: memFree=1702232/2055920 swapFree=4192812/4192956
[pid=5976] ppid=5972 vsize=292 CPUtime=0
/proc/5976/stat : 5976 (java) R 5972 5976 5669 0 -1 0 52 0 0 0 0 0 0 0 19 0 1 0 155649558 299008 35 18446744073709551615 134512640 134570532 4294956624 18446744073709551615 4731684 0 0 4096 0 0 0 0 17 1 0 0
/proc/5976/statm: 77 37 29 14 0 5 0

[startup+0.106555 s]
/proc/loadavg: 0.93 1.58 1.70 6/68 5978
/proc/meminfo: memFree=1702232/2055920 swapFree=4192812/4192956
[pid=5976] ppid=5972 vsize=914988 CPUtime=0.08
/proc/5976/stat : 5976 (java) R 5972 5976 5669 0 -1 0 3021 0 1 0 6 2 0 0 17 0 8 0 155649558 936947712 2767 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4072944238 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/5976/statm: 228747 2767 1435 14 0 215242 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 914988

[startup+0.514622 s]
/proc/loadavg: 0.93 1.58 1.70 6/68 5978
/proc/meminfo: memFree=1702232/2055920 swapFree=4192812/4192956
[pid=5976] ppid=5972 vsize=915328 CPUtime=0.5
/proc/5976/stat : 5976 (java) S 5972 5976 5669 0 -1 0 6622 0 1 0 45 5 0 0 16 0 8 0 155649558 937295872 6361 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4294960144 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/5976/statm: 228832 6361 2147 14 0 215302 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 915328

Child status: 0
Real time (s): 0.814425
CPU time (s): 0.812875
CPU user time (s): 0.737887
CPU system time (s): 0.074988
CPU usage (%): 99.8097
Max. virtual memory (cumulated for all children) (KiB): 916480

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.737887
system time used= 0.074988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8549
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= 611
involuntary context switches= 46

runsolver used 0.002999 s user time and 0.006998 s system time

The end

Launcher Data (download as text)

Begin job on node43 on Sat Jan  6 08:35:01 UTC 2007


IDJOB= 201956
IDBENCH= 3794
FILE ID= node43/201956-1168072500

PBS_JOBID= 3475981

Free space on /tmp= 66483 MiB

BENCH NAME= HOME/pub/bench/CPAI06/composed/composed-25-1-80/composed-25-1-80-2_ext.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar mac.xml 1 XSax /tmp/evaluation/201956-1168072500/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node43/watcher-201956-1168072500 -o ROOT/results/node43/solver-201956-1168072500 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar mac.xml 1 XSax /tmp/evaluation/201956-1168072500/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  ab1eefca7324098cbdabf6af7190d8e1

RANDOM SEED= 883298414

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		: 3000.278
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		: 3000.278
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:       1702912 kB
Buffers:         25280 kB
Cached:         240532 kB
SwapCached:          0 kB
Active:          57676 kB
Inactive:       228264 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1702912 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1900 kB
Writeback:           0 kB
Mapped:          30304 kB
Slab:            52916 kB
Committed_AS:  2842456 kB
PageTables:       1592 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= 66482 MiB



End job on node43 on Sat Jan  6 08:35:07 UTC 2007