Trace number 2073673

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-restart 0.3.2SAT 0.497923 0.499335

DiagnosticValue
ASSIGNMENTS38

General information on the benchmark

Namecsp/ukPuzzle/
normalized-crossword-m1-uk-puzzle21.xml
MD5SUMd090481e1875605e057884095f9d0895
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 benchmark0.219965
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
0.00/0.02	c Seed is 442947499
0.00/0.02	c Constructing HOME/instance-2073673-1247712186.xml  with 7086 constraints
0.18/0.21	c Solving 38 backtracks 1 restarts
0.38/0.49	s SATISFIABLE
0.38/0.49	c V0=15, V1=14, V2=18, V3=19, V4=0, V5=11, V6=15, V7=1, V8=14, V9=25, V10=14, V11=20, V12=6, V13=11, V14=24, V15=2, V16=20, V17=25, V18=4, V19=24, V20=4, V21=3, V22=19, V23=17, V24=8, V25=15, V26=4, V27=21, V28=0, V29=7, V30=4, V31=17, V32=18, V33=25, V34=4, V35=15, V36=7, V37=24, V38=17, V39=25, V40=14, V41=14, V42=25, V43=14, V44=14, V45=14, V46=20, V47=18, V48=25, V49=7, V50=14, V51=18, V52=22, V53=20, V54=13, V55=6, V56=14, V57=5, V58=0, V59=24, V60=18, V61=4, V62=0, V63=18, V64=24, V65=0, V66=7, V67=22, V68=17, V69=4, V70=0, V71=10, V72=11, V73=14, V74=4, V75=22, V76=4, V77=1, V78=24, V79=4, V80=15, V81=14, V82=22, V83=0, V84=2, V85=0, V86=17, V87=20, V88=18, V89=18, V90=19, V91=4, V92=17, V93=4, V94=14, V95=18, V96=8, V97=3, V98=0, V99=7, V100=20, V101=7, V102=17, V103=14, V104=17, V105=14, V106=7, V107=0, V108=17, V109=25, V110=4, V111=19, V112=0, V113=1, V114=17, V115=17, V116=17, V117=24, V118=14, V119=24, V120=14, V121=17, V122=4, V123=22, V124=24, V125=4, V126=18, V127=19, 
0.38/0.49	v 15 14 18 19 0 11 15 1 14 25 14 20 6 11 24 2 20 25 4 24 4 3 19 17 8 15 4 21 0 7 4 17 18 25 4 15 7 24 17 25 14 14 25 14 14 14 20 18 25 7 14 18 22 20 13 6 14 5 0 24 18 4 0 18 24 0 7 22 17 4 0 10 11 14 4 22 4 1 24 4 15 14 22 0 2 0 17 20 18 18 19 4 17 4 14 18 8 3 0 7 20 7 17 14 17 14 7 0 17 25 4 19 0 1 17 17 17 24 14 24 14 17 4 22 24 4 18 19 
0.38/0.49	d ASSIGNMENTS 38

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-2073673-1247712186/watcher-2073673-1247712186 -o /tmp/evaluation-result-2073673-1247712186/solver-2073673-1247712186 -C 1800 -W 2000 -M 900 HOME/pcssolve -s 442947499 HOME/instance-2073673-1247712186.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: 2.02 2.02 2.00 4/82 14256
/proc/meminfo: memFree=1433272/2055920 swapFree=4192812/4192956
[pid=14256] ppid=14254 vsize=5356 CPUtime=0
/proc/14256/stat : 14256 (pcssolve) S 14254 14256 13305 0 -1 4194304 305 400 0 0 0 0 0 0 19 0 1 0 58283939 5484544 242 996147200 4194304 4889804 548682068800 18446744073709551615 240153846596 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/14256/statm: 1339 242 201 169 0 50 0
[pid=14258] ppid=14256 vsize=5356 CPUtime=0
/proc/14258/stat : 14258 (pcssolve) R 14256 14256 13305 0 -1 4194368 22 0 0 0 0 0 0 0 20 0 1 0 58283939 5484544 244 996147200 4194304 4889804 548682068800 18446744073709551615 240153849127 0 0 4096 0 0 0 0 17 1 0 0
/proc/14258/statm: 1339 244 203 169 0 50 0

[startup+0.088236 s]
/proc/loadavg: 2.02 2.02 2.00 4/82 14256
/proc/meminfo: memFree=1433272/2055920 swapFree=4192812/4192956
[pid=14256] ppid=14254 vsize=5436 CPUtime=0.07
/proc/14256/stat : 14256 (pcs.small) R 14254 14256 13305 0 -1 4194304 1053 1556 0 0 6 0 0 1 22 0 1 0 58283939 5566464 662 996147200 134512640 135095119 4294956304 18446744073709551615 6844031 0 0 4096 0 0 0 0 17 1 0 0
/proc/14256/statm: 1359 662 375 142 0 313 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5436

[startup+0.101235 s]
/proc/loadavg: 2.02 2.02 2.00 4/82 14256
/proc/meminfo: memFree=1433272/2055920 swapFree=4192812/4192956
[pid=14256] ppid=14254 vsize=5768 CPUtime=0.08
/proc/14256/stat : 14256 (pcs.small) R 14254 14256 13305 0 -1 4194304 1126 1556 0 0 7 0 0 1 22 0 1 0 58283939 5906432 735 996147200 134512640 135095119 4294956304 18446744073709551615 6844039 0 0 4096 0 0 0 0 17 1 0 0
/proc/14256/statm: 1442 735 375 142 0 396 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5768

[startup+0.301279 s]
/proc/loadavg: 2.02 2.02 2.00 4/82 14256
/proc/meminfo: memFree=1433272/2055920 swapFree=4192812/4192956
[pid=14256] ppid=14254 vsize=7268 CPUtime=0.28
/proc/14256/stat : 14256 (pcs.small) R 14254 14256 13305 0 -1 4194304 1602 1556 0 0 27 0 0 1 24 0 1 0 58283939 7442432 1119 996147200 134512640 135095119 4294956304 18446744073709551615 134916508 0 0 4096 0 0 0 0 17 1 0 0
/proc/14256/statm: 1817 1119 400 142 0 771 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 7268

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

[startup+0.401295 s]
/proc/loadavg: 2.02 2.02 2.00 4/82 14256
/proc/meminfo: memFree=1433272/2055920 swapFree=4192812/4192956
[pid=14256] ppid=14254 vsize=7268 CPUtime=0.38
/proc/14256/stat : 14256 (pcs.small) R 14254 14256 13305 0 -1 4194304 1602 1556 0 0 37 0 0 1 24 0 1 0 58283939 7442432 1119 996147200 134512640 135095119 4294956304 18446744073709551615 134918166 0 0 4096 0 0 0 0 17 1 0 0
/proc/14256/statm: 1817 1119 400 142 0 771 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 7268

Child status: 0
Real time (s): 0.499335
CPU time (s): 0.497923
CPU user time (s): 0.480926
CPU system time (s): 0.016997
CPU usage (%): 99.7172
Max. virtual memory (cumulated for all children) (KiB): 7268

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.480926
system time used= 0.016997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3163
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= 17

runsolver used 0.001999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node86 at 2009-07-16 04:43:07
IDJOB=2073673
IDBENCH=56001
IDSOLVER=734
FILE ID=node86/2073673-1247712186
PBS_JOBID= 9521378
Free space on /tmp= 66252 MiB

SOLVER NAME= pcs-restart 0.2.restart
BENCH NAME= CPAI08/csp/ukPuzzle/normalized-crossword-m1-uk-puzzle21.xml
COMMAND LINE= HOME/pcssolve -s RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2073673-1247712186/watcher-2073673-1247712186 -o /tmp/evaluation-result-2073673-1247712186/solver-2073673-1247712186 -C 1800 -W 2000 -M 900  HOME/pcssolve -s 442947499 HOME/instance-2073673-1247712186.xml

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

MD5SUM BENCH= d090481e1875605e057884095f9d0895
RANDOM SEED=442947499

node86.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		: 3000.265
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		: 3000.265
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1433752 kB
Buffers:         85464 kB
Cached:         351912 kB
SwapCached:          0 kB
Active:         175800 kB
Inactive:       370896 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1433752 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2348 kB
Writeback:           0 kB
Mapped:         129540 kB
Slab:            60364 kB
Committed_AS:   770820 kB
PageTables:       2124 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= 66252 MiB
End job on node86 at 2009-07-16 04:43:07