Trace number 1093747

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
Mistral-prime 1.313SAT 0.405937 0.41151

DiagnosticValue
ASSIGNMENTS2562
CHECKS126677

General information on the benchmark

Namecsp/bibd9/
normalized-bibd-9-96-32-3-8_glb.xml
MD5SUM183b89dc2fc58cfaeea36bd8c41eeb1a
Bench CategoryGLOBAL (global constraints)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.405937
Satisfiable
(Un)Satisfiability was proved
Number of variables4320
Number of constraints3597
Maximum constraint arity96
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension3456
Global constraints used (with number of constraints)weightedsum(141)

Solver Data (download as text)

0.19/0.22	c mistral-prime version 1.313
0.28/0.39	s SATISFIABLE
0.28/0.39	v 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 1 1 1 0 0 0 0 0 1 0 1 1 0 1 0 0 1 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 1 0 1 0 0 0 1 0 1 0 1 0 1 0 1 1 0 1 0 1 1 0 0 0 0 0 1 1 0 0 0 1 1 0 1 0 0 0 0 1 0 1 1 1 1 1 0 1 0 0 0 0 0 0 0 1 0 1 0 0 1 1 0 1 0 0 0 0 1 0 0 0 0 1 1 1 1 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 1 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 1 1 0 0 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 1 0 0 1 1 1 0 0 1 0 0 0 0 1 1 0 0 1 1 1 0 0 1 1 1 0 0 1 0 1 1 0 1 1 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 1 0 0 0 1 1 1 1 0 0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 1 1 0 0 0 1 1 0 1 0 1 1 0 1 0 0 0 1 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 1 1 1 0 1 1 0 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0 1 0 0 0 1 0 0 1 1 1 0 0 0 1 0 1 1 1 0 0 1 1 0 0 0 0 0 1 0 0 1 0 1 1 0 1 0 0 1 0 0 0 0 1 1 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 0 0 1 1 0 0 0 0 1 0 1 0 0 0 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0.28/0.39	d CHECKS 126677
0.28/0.39	d ASSIGNMENTS 2562

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1093747-1215266005/watcher-1093747-1215266005 -o /tmp/evaluation-result-1093747-1215266005/solver-1093747-1215266005 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/xsolve HOME/instance-1093747-1215266005.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2200 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.00 2.02 2.00 4/84 21603
/proc/meminfo: memFree=1632312/2055920 swapFree=4117840/4192956
[pid=21603] ppid=21601 vsize=18572 CPUtime=0
/proc/21603/stat : 21603 (runsolver) R 21601 21603 20795 0 -1 4194368 15 0 0 0 0 0 0 0 20 0 1 0 2005572772 19017728 292 996147200 4194304 4296836 548682068496 18446744073709551615 208717540647 0 0 4096 24578 0 0 0 17 1 0 0
/proc/21603/statm: 4643 292 257 25 0 2626 0

[startup+0.06401 s]
/proc/loadavg: 2.00 2.02 2.00 4/84 21603
/proc/meminfo: memFree=1632312/2055920 swapFree=4117840/4192956
[pid=21603] ppid=21601 vsize=5916 CPUtime=0.05
/proc/21603/stat : 21603 (xsolve) R 21601 21603 20795 0 -1 4194304 785 0 0 0 5 0 0 0 18 0 1 0 2005572772 6057984 751 996147200 134512640 135237403 4294956240 18446744073709551615 4159010329 0 0 4096 0 0 0 0 17 1 0 0
/proc/21603/statm: 1479 751 372 176 0 383 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 5916

[startup+0.102015 s]
/proc/loadavg: 2.00 2.02 2.00 4/84 21603
/proc/meminfo: memFree=1632312/2055920 swapFree=4117840/4192956
[pid=21603] ppid=21601 vsize=6300 CPUtime=0.09
/proc/21603/stat : 21603 (xsolve) R 21601 21603 20795 0 -1 4194304 891 0 0 0 9 0 0 0 18 0 1 0 2005572772 6451200 857 996147200 134512640 135237403 4294956240 18446744073709551615 10954363 0 0 4096 0 0 0 0 17 1 0 0
/proc/21603/statm: 1575 857 372 176 0 479 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6300

[startup+0.30205 s]
/proc/loadavg: 2.00 2.02 2.00 4/84 21603
/proc/meminfo: memFree=1632312/2055920 swapFree=4117840/4192956
[pid=21603] ppid=21601 vsize=9436 CPUtime=0.28
/proc/21603/stat : 21603 (xsolve) R 21601 21603 20795 0 -1 4194304 1678 0 0 0 28 0 0 0 19 0 1 0 2005572772 9662464 1644 996147200 134512640 135237403 4294956240 18446744073709551615 134819046 0 0 4096 0 0 0 0 17 1 0 0
/proc/21603/statm: 2359 1644 403 176 0 1263 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 9436

Solver just ended. Dumping a history of the last processes samples

[startup+0.402075 s]
/proc/loadavg: 2.00 2.02 2.00 4/84 21603
/proc/meminfo: memFree=1632312/2055920 swapFree=4117840/4192956
[pid=21603] ppid=21601 vsize=7680 CPUtime=0.38
/proc/21603/stat : 21603 (xsolve) R 21601 21603 20795 0 -1 4194304 1696 0 0 0 38 0 0 0 20 0 1 0 2005572772 7864320 1239 996147200 134512640 135237403 4294956240 18446744073709551615 10949956 0 0 4096 0 0 0 0 17 1 0 0
/proc/21603/statm: 1920 1239 416 176 0 824 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 7680

Child status: 0
Real time (s): 0.41151
CPU time (s): 0.405937
CPU user time (s): 0.394939
CPU system time (s): 0.010998
CPU usage (%): 98.6457
Max. virtual memory (cumulated for all children) (KiB): 9436

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.394939
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1700
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 7
involuntary context switches= 18

runsolver used 0.001999 second user time and 0.007998 second system time

The end

Launcher Data (download as text)

Begin job on node47 at 2008-07-05 15:53:25
IDJOB=1093747
IDBENCH=58723
IDSOLVER=358
FILE ID=node47/1093747-1215266005
PBS_JOBID= 7882126
Free space on /tmp= 66484 MiB

SOLVER NAME= Mistral-prime 1.313
BENCH NAME= CPAI08/csp/bibd9/normalized-bibd-9-96-32-3-8_glb.xml
COMMAND LINE= HOME/xsolve BENCHNAME 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1093747-1215266005/watcher-1093747-1215266005 -o /tmp/evaluation-result-1093747-1215266005/solver-1093747-1215266005 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/xsolve HOME/instance-1093747-1215266005.xml 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 183b89dc2fc58cfaeea36bd8c41eeb1a
RANDOM SEED=1225795550

node47.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.281
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		: 3000.281
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:       1632792 kB
Buffers:         30520 kB
Cached:         205592 kB
SwapCached:      68936 kB
Active:         245148 kB
Inactive:       123912 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1632792 kB
SwapTotal:     4192956 kB
SwapFree:      4117840 kB
Dirty:            1664 kB
Writeback:           0 kB
Mapped:         150168 kB
Slab:            38732 kB
Committed_AS:  4180740 kB
PageTables:       2240 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= 66484 MiB
End job on node47 at 2008-07-05 15:53:26