Trace number 232855

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 0.990849 1.08114

DiagnosticValue
CHECKS233575
NODES0

General information on the benchmark

Nametaillard/
os-taillard-4/os-taillard-4-95-0.xml
MD5SUM050d31d47cf79d444236e46471baefcc
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 benchmark0.014996
SatisfiableNO
(Un)Satisfiability was provedNO
Number of variables16
Number of constraints48
Maximum constraint arity2
Maximum domain size182
Number of constraints which are defined in extension0
Number of constraints which are defined in intension48
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/232855-1168324121/unknown.xml
0.36	   
0.36	   domains being loaded...
0.37	   
0.37	   variables being loaded...
0.40	     nbVariables=16  nbDomainTypes=16  minDomainSize=89  maxDomainSize=182
0.40	       =>  wckTime=0.097  cpuTime=0.08  mem=6M919
0.40	   
0.40	   predicates being loaded...
0.40	   
0.40	   constraints being loaded...
0.76	     nbConstraints=48  nbConvertedConstraints=48  nbConvertConstraintsChecks=956703  nbExtensionStructures=48
0.76	     nbSharedExtensionStructures=0  nbConflictsStructures=48  nbSharedConflictsStructures=0
0.76	     nbSharedBinaryRepresentations=6107  maxDegree=6  maxArity=2
0.76	       =>  wckTime=0.455  cpuTime=0.41  mem=9M844
0.79	   
0.79	   solver IterativeSystematicSolver being built... 
0.98	       =>  wckTime=0.674  cpuTime=0.55  mem=13M854
1.02	   
1.02	   preprocessing
1.02	     nbConstraintChecks=233575  nbPropagations=406  nbRevisions=1535  nbUselessRevisions=680  nbSingletonTests=32
1.02	     nbEffectiveSingletonTests=32  nbESACBranches=0  nbRemovedValues=1744  detectedInconsistency=yes
1.02	       =>  wckTime=0.044  cpuTime=0.03  mem=13M854
1.02	   
1.02	   global
1.02	     nbConstraintChecks=233575  nbPropagations=406  nbRevisions=1535  nbUselessRevisions=680  nbRestartNogoods=0
1.02	     solvingWckTime=0.046  solvingCpuTime=0.03  expiredTime=no  totalExploration=yes  nbFoundSolutions=0
1.03	     globalCpuTime=0.64
1.03	       =>  wckTime=0.722  cpuTime=0.58  mem=13M854
1.03	   
1.03	s UNSATISFIABLE
1.03	d NODES 0
1.03	d CHECKS 233575
1.03	   
1.03	   totalWckTime=0.799  totalCpuTime=0.64

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-232855-1168324121 -o ROOT/results/node13/solver-232855-1168324121 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/232855-1168324121/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: 1.25 1.72 1.89 5/87 9908
/proc/meminfo: memFree=1137544/2055920 swapFree=4192812/4192956
[pid=9907] ppid=9905 vsize=168 CPUtime=0
/proc/9907/stat : 9907 (java) R 9905 9907 9591 0 -1 0 39 0 0 0 0 0 0 0 18 0 1 0 180807352 172032 23 18446744073709551615 134512640 134570532 4294956624 18446744073709551615 11879204 0 0 4096 0 0 0 0 17 1 0 0
/proc/9907/statm: 42 23 18 14 0 2 0

[startup+0.106562 s]
/proc/loadavg: 1.25 1.72 1.89 5/87 9908
/proc/meminfo: memFree=1137544/2055920 swapFree=4192812/4192956
[pid=9907] ppid=9905 vsize=914988 CPUtime=0.08
/proc/9907/stat : 9907 (java) R 9905 9907 9591 0 -1 0 2998 0 1 0 6 2 0 0 24 0 8 0 180807352 936947712 2744 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4294960144 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/9907/statm: 228747 2744 1427 14 0 215242 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 914988

[startup+0.516613 s]
/proc/loadavg: 1.25 1.72 1.89 5/87 9908
/proc/meminfo: memFree=1137544/2055920 swapFree=4192812/4192956
[pid=9907] ppid=9905 vsize=915328 CPUtime=0.49
/proc/9907/stat : 9907 (java) R 9905 9907 9591 0 -1 0 6452 0 1 0 44 5 0 0 25 0 8 0 180807352 937295872 6191 18446744073709551615 134512640 134570532 4294956464 18446744073709551615 4073580424 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/9907/statm: 228832 6191 2166 14 0 215302 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 915328

Child status: 0
Real time (s): 1.08114
CPU time (s): 0.990849
CPU user time (s): 0.91886
CPU system time (s): 0.071989
CPU usage (%): 91.6484
Max. virtual memory (cumulated for all children) (KiB): 915452

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.91886
system time used= 0.071989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8518
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= 742
involuntary context switches= 791

runsolver used 0.002999 s user time and 0.008998 s system time

The end

Launcher Data (download as text)

Begin job on node13 on Tue Jan  9 06:28:42 UTC 2007


IDJOB= 232855
IDBENCH= 6560
FILE ID= node13/232855-1168324121

PBS_JOBID= 3502726

Free space on /tmp= 66529 MiB

BENCH NAME= HOME/pub/bench/CPAI06/taillard/os-taillard-4/os-taillard-4-95-0.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/232855-1168324121/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-232855-1168324121 -o ROOT/results/node13/solver-232855-1168324121 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar esac.xml 1 XSax /tmp/evaluation/232855-1168324121/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  050d31d47cf79d444236e46471baefcc

RANDOM SEED= 769593561

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:       1138152 kB
Buffers:        101572 kB
Cached:         596516 kB
SwapCached:          0 kB
Active:         487624 kB
Inactive:       348980 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1138152 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1776 kB
Writeback:           0 kB
Mapped:         158624 kB
Slab:            65688 kB
Committed_AS:  5027808 kB
PageTables:       2556 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= 66529 MiB



End job on node13 on Tue Jan  9 06:28:46 UTC 2007