Trace number 2074901

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 1.545SAT 0.139977 0.146232

DiagnosticValue
ASSIGNMENTS212
CHECKS43605
NODES212

General information on the benchmark

Namecsp/wordsPuzzle/
normalized-crossword-m1-words-puzzle20.xml
MD5SUMae7587a2e349332d30d6368d2db99718
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 benchmark0.139977
Satisfiable
(Un)Satisfiability was proved
Number of variables52
Number of constraints92
Maximum constraint arity14
Maximum domain size26
Number of constraints which are defined in extension24
Number of constraints which are defined in intension68
Global constraints used (with number of constraints)

Solver Data 

0.00/0.04	c mistral version 1.545
0.00/0.13	s SATISFIABLE
0.00/0.13	v 0 3 0 18 8 4 13 0 3 4 12 4 19 4 17 8 14 13 18 4 17 8 2 3 24 4 0 6 14 0 11 6 0 0 19 14 15 4 0 17 11 8 4 17 11 4 0 3 18 0 24 4
0.00/0.13	d CHECKS 43605
0.00/0.13	d ASSIGNMENTS 212
0.00/0.13	d NODES 212 BACKTRACKS 65 FAILURES 65 RUNTIME 0.08 TOTALTIME 0.12 NODES/s 2650 CHECKS/s 545062

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-2074901-1247359416/watcher-2074901-1247359416 -o /tmp/evaluation-result-2074901-1247359416/solver-2074901-1247359416 -C 1800 -W 2000 -M 900 /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2074901-1247359416.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: 1.86 1.71 1.84 4/82 19685
/proc/meminfo: memFree=1442760/2055920 swapFree=4192812/4192956
[pid=19685] ppid=19683 vsize=0 CPUtime=0.13
/proc/19685/stat : 19685 (ld-linux.so.2) Z 19683 19685 17396 0 -1 4194316 1369 0 0 0 13 0 0 0 18 0 1 0 23009008 0 0 996147200 0 0 0 0 0 0 0 4096 0 18446744071563351923 0 0 17 1 0 0
/proc/19685/statm: 0 0 0 0 0 0 0

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

Child status: 0
Real time (s): 0.146232
CPU time (s): 0.139977
CPU user time (s): 0.131979
CPU system time (s): 0.007998
CPU usage (%): 95.7225
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.131979
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1369
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= 25
involuntary context switches= 7

runsolver used 0.002999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node7 at 2009-07-12 02:43:36
IDJOB=2074901
IDBENCH=56150
IDSOLVER=769
FILE ID=node7/2074901-1247359416
PBS_JOBID= 9506882
Free space on /tmp= 66088 MiB

SOLVER NAME= Mistral 1.545
BENCH NAME= CPAI08/csp/wordsPuzzle/normalized-crossword-m1-words-puzzle20.xml
COMMAND LINE= /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2074901-1247359416/watcher-2074901-1247359416 -o /tmp/evaluation-result-2074901-1247359416/solver-2074901-1247359416 -C 1800 -W 2000 -M 900  /home/evaluation/evaluation/libc32/lib/ld-linux.so.2 ./xsolve HOME/instance-2074901-1247359416.xml

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

MD5SUM BENCH= ae7587a2e349332d30d6368d2db99718
RANDOM SEED=7105541

node7.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		: 3000.231
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		: 3000.231
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:       1443240 kB
Buffers:         19812 kB
Cached:          90892 kB
SwapCached:          0 kB
Active:         533976 kB
Inactive:        31484 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1443240 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1416 kB
Writeback:           0 kB
Mapped:         475160 kB
Slab:            31412 kB
Committed_AS:   617756 kB
PageTables:       2764 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= 66088 MiB
End job on node7 at 2009-07-12 02:43:36