Trace number 2074882

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
pcs 0.3.2SAT 0.456929 0.46986

DiagnosticValue
ASSIGNMENTS45

General information on the benchmark

Namecsp/wordsPuzzle/
normalized-crossword-m1-words-puzzle21.xml
MD5SUMa1a739fb8d99893699a2f45ae725d33e
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.151976
Satisfiable
(Un)Satisfiability was proved
Number of variables128
Number of constraints672
Maximum constraint arity12
Maximum domain size26
Number of constraints which are defined in extension64
Number of constraints which are defined in intension608
Global constraints used (with number of constraints)

Solver Data 

0.00/0.02	c small-domain mode
0.17/0.21	c Seed is 523264864
0.17/0.21	c Constructing HOME/instance-2074882-1247712487.xml  with 7086 constraints
0.17/0.21	c Solving 45 backtracks 2 restarts
0.37/0.46	s SATISFIABLE
0.37/0.46	c V0=18, V1=8, V2=25, V3=4, V4=11, V5=8, V6=25, V7=9, V8=0, V9=12, V10=18, V11=0, V12=3, V13=4, V14=13, V15=0, V16=3, V17=14, V18=4, V19=12, V20=8, V21=11, V22=15, V23=4, V24=0, V25=19, V26=18, V27=0, V28=12, V29=13, V30=14, V31=17, V32=0, V33=18, V34=0, V35=11, V36=14, V37=13, V38=18, V39=1, V40=0, V41=18, V42=10, V43=4, V44=19, V45=12, V46=0, V47=14, V48=0, V49=11, V50=4, V51=1, V52=14, V53=14, V54=1, V55=24, V56=8, V57=13, V58=12, V59=0, V60=13, V61=0, V62=13, V63=3, V64=14, V65=3, V66=4, V67=7, V68=4, V69=3, V70=3, V71=0, V72=0, V73=7, V74=4, V75=0, V76=3, V77=4, V78=17, V79=4, V80=0, V81=1, V82=20, V83=0, V84=22, V85=0, V86=10, V87=4, V88=13, V89=21, V90=4, V91=17, V92=18, V93=20, V94=18, V95=11, V96=8, V97=18, V98=0, V99=19, V100=22, V101=14, V102=17, V103=8, V104=18, V105=2, V106=21, V107=4, V108=8, V109=11, V110=17, V111=14, V112=22, V113=0, V114=17, V115=4, V116=0, V117=0, V118=17, V119=0, V120=1, V121=24, V122=4, V123=18, V124=7, V125=4, V126=17, V127=1, 
0.37/0.46	v 18 8 25 4 11 8 25 9 0 12 18 0 3 4 13 0 3 14 4 12 8 11 15 4 0 19 18 0 12 13 14 17 0 18 0 11 14 13 18 1 0 18 10 4 19 12 0 14 0 11 4 1 14 14 1 24 8 13 12 0 13 0 13 3 14 3 4 7 4 3 3 0 0 7 4 0 3 4 17 4 0 1 20 0 22 0 10 4 13 21 4 17 18 20 18 11 8 18 0 19 22 14 17 8 18 2 21 4 8 11 17 14 22 0 17 4 0 0 17 0 1 24 4 18 7 4 17 1 
0.37/0.46	d ASSIGNMENTS 45

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2074882-1247712487/watcher-2074882-1247712487 -o /tmp/evaluation-result-2074882-1247712487/solver-2074882-1247712487 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 523264864 HOME/instance-2074882-1247712487.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): 2000 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


[startup+0 s]
/proc/loadavg: 2.13 2.07 2.02 4/82 15333
/proc/meminfo: memFree=1569496/2055920 swapFree=4192812/4192956
[pid=15333] ppid=15331 vsize=5356 CPUtime=0
/proc/15333/stat : 15333 (pcssolve) R 15331 15333 13525 0 -1 4194304 290 0 0 0 0 0 0 0 24 0 1 0 57940449 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 209135921823 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/15333/statm: 1339 241 200 169 0 50 0
[pid=15334] ppid=15333 vsize=5356 CPUtime=0
/proc/15334/stat : 15334 (pcssolve) R 15333 15333 13525 0 -1 4194368 22 0 0 0 0 0 0 0 25 0 1 0 57940450 5484544 243 996147200 4194304 4889804 548682068800 18446744073709551615 209135922471 0 0 4096 0 0 0 0 17 1 0 0
/proc/15334/statm: 1339 243 202 169 0 50 0
[pid=15335] ppid=15333 vsize=5356 CPUtime=0
/proc/15335/stat : 15335 (pcssolve) R 15333 15333 13525 0 -1 4194368 0 0 0 0 0 0 0 0 24 0 1 0 57940450 5484544 241 996147200 4194304 4889804 548682068800 18446744073709551615 209135921823 0 65538 4100 65536 0 0 0 17 1 0 0
/proc/15335/statm: 1339 241 200 169 0 50 0

[startup+0.0953001 s]
/proc/loadavg: 2.13 2.07 2.02 4/82 15333
/proc/meminfo: memFree=1569496/2055920 swapFree=4192812/4192956
[pid=15333] ppid=15331 vsize=5400 CPUtime=0.06
/proc/15333/stat : 15333 (pcs.small) R 15331 15333 13525 0 -1 4194304 1015 974 0 0 6 0 0 0 18 0 1 0 57940449 5529600 624 996147200 134512640 135095119 4294956304 18446744073709551615 134675670 0 0 4096 0 0 0 0 17 1 0 0
/proc/15333/statm: 1350 624 388 142 0 304 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 5400

[startup+0.101298 s]
/proc/loadavg: 2.13 2.07 2.02 4/82 15333
/proc/meminfo: memFree=1569496/2055920 swapFree=4192812/4192956
[pid=15333] ppid=15331 vsize=5400 CPUtime=0.07
/proc/15333/stat : 15333 (pcs.small) R 15331 15333 13525 0 -1 4194304 1039 974 0 0 7 0 0 0 18 0 1 0 57940449 5529600 648 996147200 134512640 135095119 4294956304 18446744073709551615 12398309 0 0 4096 0 0 0 0 17 1 0 0
/proc/15333/statm: 1350 648 388 142 0 304 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5400

[startup+0.301318 s]
/proc/loadavg: 2.13 2.07 2.02 4/82 15333
/proc/meminfo: memFree=1569496/2055920 swapFree=4192812/4192956
[pid=15333] ppid=15331 vsize=6708 CPUtime=0.27
/proc/15333/stat : 15333 (pcs.small) R 15331 15333 13525 0 -1 4194304 1413 974 0 0 27 0 0 0 19 0 1 0 57940449 6868992 989 996147200 134512640 135095119 4294956304 18446744073709551615 134918249 0 0 4096 0 0 0 0 17 1 0 0
/proc/15333/statm: 1677 989 400 142 0 631 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 6708

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

[startup+0.401327 s]
/proc/loadavg: 2.13 2.07 2.02 4/82 15333
/proc/meminfo: memFree=1569496/2055920 swapFree=4192812/4192956
[pid=15333] ppid=15331 vsize=6708 CPUtime=0.37
/proc/15333/stat : 15333 (pcs.small) R 15331 15333 13525 0 -1 4194304 1413 974 0 0 37 0 0 0 20 0 1 0 57940449 6868992 989 996147200 134512640 135095119 4294956304 18446744073709551615 134918280 0 0 4096 0 0 0 0 17 1 0 0
/proc/15333/statm: 1677 989 400 142 0 631 0
Current children cumulated CPU time (s) 0.37
Current children cumulated vsize (KiB) 6708

Child status: 0
Real time (s): 0.46986
CPU time (s): 0.456929
CPU user time (s): 0.442932
CPU system time (s): 0.013997
CPU usage (%): 97.2479
Max. virtual memory (cumulated for all children) (KiB): 6708

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.442932
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2393
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= 20
involuntary context switches= 29

runsolver used 0.004999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node41 at 2009-07-16 04:48:07
IDJOB=2074882
IDBENCH=56149
IDSOLVER=733
FILE ID=node41/2074882-1247712487
PBS_JOBID= 9521376
Free space on /tmp= 65796 MiB

SOLVER NAME= pcs 0.2
BENCH NAME= CPAI08/csp/wordsPuzzle/normalized-crossword-m1-words-puzzle21.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2074882-1247712487/watcher-2074882-1247712487 -o /tmp/evaluation-result-2074882-1247712487/solver-2074882-1247712487 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 523264864 HOME/instance-2074882-1247712487.xml

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB
MAX NB THREAD= 0

MD5SUM BENCH= a1a739fb8d99893699a2f45ae725d33e
RANDOM SEED=523264864

node41.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		: 3000.212
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	: 5931.00
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		: 3000.212
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:       1569976 kB
Buffers:         71152 kB
Cached:         295096 kB
SwapCached:          0 kB
Active:         105532 kB
Inactive:       294264 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1569976 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2020 kB
Writeback:           0 kB
Mapped:          53936 kB
Slab:            71412 kB
Committed_AS:   506128 kB
PageTables:       1812 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= 65792 MiB
End job on node41 at 2009-07-16 04:48:08