Trace number 1561693

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
HydraSAT-Multi 2009-03-22-MultiSAT 28.1407 28.1508

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_8_4_5_exp.cnf
MD5SUM8074a7bc3c1695dbe8e033b31e3d3feb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark14.8357
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses51668
Sum of the clauses size133444
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 232492
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data 

0.00/0.00	c Trying configuration 1
28.08/28.14	
28.08/28.14	c decisions : 841132
28.08/28.14	c conflicts : 129740
28.08/28.14	s SATISFIABLE
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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-1561693-1238768274/watcher-1561693-1238768274 -o /tmp/evaluation-result-1561693-1238768274/solver-1561693-1238768274 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat-multi.sh HOME HOME/instance-1561693-1238768274.cnf 1800 1964789396 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 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: 0.92 0.97 0.99 3/66 26467
/proc/meminfo: memFree=1537120/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) R 26465 26467 26230 0 -1 4194304 270 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 238 1992294400 4194304 4889804 548682068720 18446744073709551615 264519608991 0 65538 4100 65536 0 0 0 17 0 0 0
/proc/26467/statm: 1340 238 196 169 0 51 0
[pid=26468] ppid=26467 vsize=1656 CPUtime=0
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 177 0 0 0 0 0 0 0 18 0 1 0 1149490370 1695744 159 1992294400 134512640 135813592 4294956160 18446744073709551615 135207862 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 414 160 117 317 0 94 0

[startup+0.087337 s]
/proc/loadavg: 0.92 0.97 0.99 3/66 26467
/proc/meminfo: memFree=1537120/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) S 26465 26467 26230 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 239 1992294400 4194304 4889804 548682068720 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/26467/statm: 1340 239 197 169 0 51 0
[pid=26468] ppid=26467 vsize=5632 CPUtime=0.07
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 1246 0 0 0 7 0 0 0 19 0 1 0 1149490370 5767168 1186 1992294400 134512640 135813592 4294956160 18446744073709551615 134676857 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 1408 1186 124 317 0 1088 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 10992

[startup+0.101337 s]
/proc/loadavg: 0.92 0.97 0.99 3/66 26467
/proc/meminfo: memFree=1537120/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) S 26465 26467 26230 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 239 1992294400 4194304 4889804 548682068720 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/26467/statm: 1340 239 197 169 0 51 0
[pid=26468] ppid=26467 vsize=5632 CPUtime=0.09
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 1246 0 0 0 9 0 0 0 19 0 1 0 1149490370 5767168 1186 1992294400 134512640 135813592 4294956160 18446744073709551615 134676842 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 1408 1186 124 317 0 1088 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10992

[startup+0.301363 s]
/proc/loadavg: 0.92 0.97 0.99 3/66 26467
/proc/meminfo: memFree=1537120/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) S 26465 26467 26230 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 239 1992294400 4194304 4889804 548682068720 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/26467/statm: 1340 239 197 169 0 51 0
[pid=26468] ppid=26467 vsize=7804 CPUtime=0.28
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 1849 0 0 0 28 0 0 0 22 0 1 0 1149490370 7991296 1680 1992294400 134512640 135813592 4294956160 18446744073709551615 134664959 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 1951 1680 150 317 0 1631 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 13164

[startup+0.701415 s]
/proc/loadavg: 0.92 0.97 0.99 3/66 26467
/proc/meminfo: memFree=1537120/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) S 26465 26467 26230 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 239 1992294400 4194304 4889804 548682068720 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/26467/statm: 1340 239 197 169 0 51 0
[pid=26468] ppid=26467 vsize=8200 CPUtime=0.69
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 1972 0 0 0 68 1 0 0 25 0 1 0 1149490370 8396800 1803 1992294400 134512640 135813592 4294956160 18446744073709551615 135207862 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 2050 1803 150 317 0 1730 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13560

[startup+1.50152 s]
/proc/loadavg: 0.92 0.97 0.99 2/68 26469
/proc/meminfo: memFree=1529744/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) S 26465 26467 26230 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 239 1992294400 4194304 4889804 548682068720 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/26467/statm: 1340 239 197 169 0 51 0
[pid=26468] ppid=26467 vsize=9520 CPUtime=1.49
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 2296 0 0 0 148 1 0 0 25 0 1 0 1149490370 9748480 2127 1992294400 134512640 135813592 4294956160 18446744073709551615 134665944 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 2380 2127 150 317 0 2060 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 14880

[startup+3.10273 s]
/proc/loadavg: 0.92 0.97 0.99 2/68 26469
/proc/meminfo: memFree=1528144/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) S 26465 26467 26230 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 239 1992294400 4194304 4889804 548682068720 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/26467/statm: 1340 239 197 169 0 51 0
[pid=26468] ppid=26467 vsize=10880 CPUtime=3.08
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 2609 0 0 0 307 1 0 0 25 0 1 0 1149490370 11141120 2440 1992294400 134512640 135813592 4294956160 18446744073709551615 134665314 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 2720 2440 150 317 0 2400 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 16240

[startup+6.30114 s]
/proc/loadavg: 0.93 0.97 0.99 2/68 26469
/proc/meminfo: memFree=1526736/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) S 26465 26467 26230 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 239 1992294400 4194304 4889804 548682068720 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/26467/statm: 1340 239 197 169 0 51 0
[pid=26468] ppid=26467 vsize=11900 CPUtime=6.28
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 2864 0 0 0 627 1 0 0 25 0 1 0 1149490370 12185600 2695 1992294400 134512640 135813592 4294956160 18446744073709551615 134665944 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 2975 2695 150 317 0 2655 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 17260

[startup+12.702 s]
/proc/loadavg: 0.93 0.97 0.99 2/68 26469
/proc/meminfo: memFree=1524880/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) S 26465 26467 26230 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 239 1992294400 4194304 4889804 548682068720 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/26467/statm: 1340 239 197 169 0 51 0
[pid=26468] ppid=26467 vsize=13484 CPUtime=12.68
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 3281 0 0 0 1267 1 0 0 25 0 1 0 1149490370 13807616 3112 1992294400 134512640 135813592 4294956160 18446744073709551615 134665314 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 3371 3112 150 317 0 3051 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 18844

[startup+25.5016 s]
/proc/loadavg: 0.95 0.97 0.99 3/68 26469
/proc/meminfo: memFree=1522320/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) S 26465 26467 26230 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 239 1992294400 4194304 4889804 548682068720 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/26467/statm: 1340 239 197 169 0 51 0
[pid=26468] ppid=26467 vsize=15996 CPUtime=25.48
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 3914 0 0 0 2546 2 0 0 25 0 1 0 1149490370 16379904 3745 1992294400 134512640 135813592 4294956160 18446744073709551615 134665472 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 3999 3745 150 317 0 3679 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 21356

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

[startup+27.1018 s]
/proc/loadavg: 0.95 0.97 0.99 2/68 26469
/proc/meminfo: memFree=1522192/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) S 26465 26467 26230 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 239 1992294400 4194304 4889804 548682068720 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/26467/statm: 1340 239 197 169 0 51 0
[pid=26468] ppid=26467 vsize=16256 CPUtime=27.08
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 3950 0 0 0 2706 2 0 0 25 0 1 0 1149490370 16646144 3781 1992294400 134512640 135813592 4294956160 18446744073709551615 134665944 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 4064 3781 150 317 0 3744 0
Current children cumulated CPU time (s) 27.08
Current children cumulated vsize (KiB) 21616

[startup+27.9019 s]
/proc/loadavg: 0.95 0.97 0.99 2/68 26469
/proc/meminfo: memFree=1522128/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) S 26465 26467 26230 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 239 1992294400 4194304 4889804 548682068720 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/26467/statm: 1340 239 197 169 0 51 0
[pid=26468] ppid=26467 vsize=16524 CPUtime=27.88
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 4020 0 0 0 2786 2 0 0 25 0 1 0 1149490370 16920576 3851 1992294400 134512640 135813592 4294956160 18446744073709551615 134667440 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 4131 3851 150 317 0 3811 0
Current children cumulated CPU time (s) 27.88
Current children cumulated vsize (KiB) 21884

[startup+28.103 s]
/proc/loadavg: 0.95 0.97 0.99 2/68 26469
/proc/meminfo: memFree=1522128/2055920 swapFree=4176412/4192956
[pid=26467] ppid=26465 vsize=5360 CPUtime=0
/proc/26467/stat : 26467 (hydrasat-multi.) S 26465 26467 26230 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 1149490370 5488640 239 1992294400 4194304 4889804 548682068720 18446744073709551615 264519607108 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/26467/statm: 1340 239 197 169 0 51 0
[pid=26468] ppid=26467 vsize=16920 CPUtime=28.08
/proc/26468/stat : 26468 (hydrasat_cache4) R 26467 26467 26230 0 -1 4194304 4092 0 0 0 2806 2 0 0 25 0 1 0 1149490370 17326080 3923 1992294400 134512640 135813592 4294956160 18446744073709551615 134664957 0 0 4096 1 0 0 0 17 0 0 0
/proc/26468/statm: 4230 3923 150 317 0 3910 0
Current children cumulated CPU time (s) 28.08
Current children cumulated vsize (KiB) 22280

Child status: 10
Real time (s): 28.1508
CPU time (s): 28.1407
CPU user time (s): 28.1067
CPU system time (s): 0.033994
CPU usage (%): 99.9641
Max. virtual memory (cumulated for all children) (KiB): 22280

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 28.1067
system time used= 0.033994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4418
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= 4
involuntary context switches= 76

runsolver used 0.024996 second user time and 0.082987 second system time

The end

Launcher Data 

Begin job on node40 at 2009-04-03 16:17:54
IDJOB=1561693
IDBENCH=70920
IDSOLVER=518
FILE ID=node40/1561693-1238768274
PBS_JOBID= 9085516
Free space on /tmp= 66544 MiB

SOLVER NAME= HydraSAT-Multi 2009-03-22-Multi
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_8_4_5_exp.cnf
COMMAND LINE= DIR/hydrasat-multi.sh DIR BENCHNAME MEMLIMIT RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561693-1238768274/watcher-1561693-1238768274 -o /tmp/evaluation-result-1561693-1238768274/solver-1561693-1238768274 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat-multi.sh HOME HOME/instance-1561693-1238768274.cnf 1800 1964789396

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 8074a7bc3c1695dbe8e033b31e3d3feb
RANDOM SEED=1964789396

node40.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		: 3000.232
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		: 3000.232
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:       1537600 kB
Buffers:         90504 kB
Cached:         331472 kB
SwapCached:       9688 kB
Active:          53052 kB
Inactive:       380252 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1537600 kB
SwapTotal:     4192956 kB
SwapFree:      4176412 kB
Dirty:            4856 kB
Writeback:           0 kB
Mapped:          17204 kB
Slab:            71008 kB
Committed_AS:  3093960 kB
PageTables:       1476 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= 66540 MiB
End job on node40 at 2009-04-03 16:18:22