Trace number 1784401

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
MXC 2009-03-10SAT 39.522 39.5332

General information on the benchmark

NameCRAFTED/rbsat/random/
forced/rbsat-v760c43649gyes10.cnf
MD5SUM81c9aa5c768c12f86139286d1d6bc62c
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark6.91695
Satisfiable
(Un)Satisfiability was proved
Number of variables760
Number of clauses43649
Sum of the clauses size87978
Maximum clause length19
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243609
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 540

Solver Data 

39.48/39.52	c starting MXC with:
39.48/39.52	c cnf_path = HOME/instance-1784401-1241937848.cnf
39.48/39.52	c restart_strategy = auto
39.48/39.52	c sign_strategy = cached
39.48/39.52	c use_preprocessing = -1
39.48/39.52	c output_implicant = 1
39.48/39.52	c timeout_seconds = 0
39.48/39.52	c running SatELite... done
39.48/39.52	c 41 vars eliminated
39.48/39.52	c received 0 units and 40381 clauses from SatELite
39.48/39.52	c 40 assignments made, starting to guess now
39.48/39.52	c ===================================[MXC]=====================================
39.48/39.52	c | Conflicts |                Clause Statistics                   |   Vars   |
39.48/39.52	c |           |    CARD     BIN      O3+      L3+   L3+Lim  Lit/CL |          |
39.48/39.52	c =============================================================================
39.48/39.52	c |         0 |       0   37413     2968        0        0     nan |      760 |
39.48/39.52	c |       100 |       0   37413     2968      100     1050    65.7 |      720 |
39.48/39.52	c |       210 |       0   37413     2968      210     1105    58.9 |      720 |
39.48/39.52	c |       441 |       0   37413     2968      441     1220    51.0 |      720 |
39.48/39.52	c |       805 |       0   37414     2968      804     1402    46.8 |      720 |
39.48/39.52	c |      1315 |       0   37414     2968     1314     1657    41.9 |      720 |
39.48/39.52	c |      1986 |       0   37414     2968     1985     1993    41.0 |      720 |
39.48/39.52	c |      2834 |       0   37414     2968     1832     2417    37.4 |      720 |
39.48/39.52	c |      3876 |       0   37414     2968     2874     2938    37.8 |      720 |
39.48/39.52	c |      5132 |       0   37414     2968     2629     3566    37.7 |      720 |
39.48/39.52	c |      6623 |       0   37414     2968     4120     4311    37.7 |      720 |
39.48/39.52	c |      8373 |       0   37414     2968     3618     5186    37.0 |      720 |
39.48/39.52	c |     10408 |       0   37414     2968     5653     6204    37.8 |      720 |
39.48/39.52	c |     12756 |       0   37414     2968     4623     7378    39.3 |      720 |
39.48/39.52	c |     15449 |       0   37416     2968     7314     8724    37.1 |      720 |
39.48/39.52	c |     18521 |       0   37417     2968     5317    10260    33.4 |      720 |
39.48/39.52	c |     22010 |       0   37421     2968     8802    12005    35.3 |      720 |
39.48/39.52	c |     25958 |       0   37422     2968    12749    13979    35.0 |      720 |
39.48/39.52	c |     30411 |       0   37422     2968     9597    16205    33.5 |      720 |
39.48/39.52	c |     35419 |       0   37423     2968    14604    18709    33.7 |      720 |
39.48/39.52	c |     41038 |       0   37424     2968    20222    21519    34.3 |      720 |
39.48/39.52	c |     47329 |       0   37426     2968    15103    24664    33.9 |      720 |
39.48/39.52	c |     54360 |       0   37428     2968    22132    28180    37.2 |      720 |
39.48/39.52	c |     62205 |       0   37430     2968    29975    32102    36.7 |      720 |
39.48/39.52	c |     70945 |       0   37431     2968    21620    34721    35.8 |      720 |
39.48/39.52	c |     80669 |       0   37431     2968    31344    35782    37.7 |      720 |
39.48/39.52	c |     91476 |       0   37434     2968    24005    36855    36.4 |      720 |
39.48/39.52	c |    103474 |       0   37198     2951    23409    37945    37.1 |      718 |
39.48/39.52	c |    116782 |       0   37201     2951    36714    38792    38.8 |      718 |
39.48/39.52	c |    131532 |       0   37206     2951    31975    39894    38.2 |      718 |
39.48/39.52	c |    147868 |       0   37213     2951    28059    41010    38.9 |      718 |
39.48/39.52	c |    165948 |       0   37106     2944    23396    42145    37.5 |      717 |
39.48/39.52	c |    185947 |       0   36975     2938    18512    43169    35.5 |      716 |
39.48/39.52	c |    208057 |       0   36843     2933    34988    44188    40.5 |      715 |
39.48/39.52	c |    232489 |       0   36723     2926    33940    45223    47.2 |      714 |
39.48/39.52	c |    245906 |       0   36725     2926    24551    45684    44.6 |      714 |
39.48/39.52	c ----- stats for thread 0 -----
39.48/39.52	c restarts: 589
39.48/39.52	c decisions: 346360
39.48/39.52	c propagations: 24082785
39.48/39.52	c conflicts: 245906
39.48/39.52	c 39.527s elapsed
39.48/39.52	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-1784401-1241937848/watcher-1784401-1241937848 -o /tmp/evaluation-result-1784401-1241937848/solver-1784401-1241937848 -C 5000 -W 6000 -M 1800 HOME/mxc-sat09 -i HOME/instance-1784401-1241937848.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 29489
/proc/meminfo: memFree=1638352/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=1744 CPUtime=0
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 303 0 0 0 0 0 0 0 18 0 1 0 221818353 1785856 289 1992294400 134512640 135192793 4294956224 18446744073709551615 134572845 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 436 289 54 166 0 267 0

[startup+0.02899 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 29489
/proc/meminfo: memFree=1638352/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=3372 CPUtime=0.02
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 818 0 0 0 2 0 0 0 18 0 1 0 221818353 3452928 678 1992294400 134512640 135192793 4294956224 18446744073709551615 134567773 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 843 678 55 166 0 674 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 3372

[startup+0.101998 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 29489
/proc/meminfo: memFree=1638352/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=3372 CPUtime=0.09
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 819 0 0 0 9 0 0 0 18 0 1 0 221818353 3452928 679 1992294400 134512640 135192793 4294956224 18446744073709551615 134568131 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 843 679 56 166 0 674 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3372

[startup+0.30202 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 29489
/proc/meminfo: memFree=1638352/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=4332 CPUtime=0.29
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 1039 0 0 0 29 0 0 0 19 0 1 0 221818353 4435968 899 1992294400 134512640 135192793 4294956224 18446744073709551615 134567773 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 1083 899 56 166 0 914 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4332

[startup+0.701065 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 29489
/proc/meminfo: memFree=1638352/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=4856 CPUtime=0.69
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 1321 0 0 0 69 0 0 0 23 0 1 0 221818353 4972544 1078 1992294400 134512640 135192793 4294956224 18446744073709551615 134547928 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 1214 1078 73 166 0 1045 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4856

[startup+1.50116 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 29490
/proc/meminfo: memFree=1633672/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=6308 CPUtime=1.49
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 1681 0 0 0 149 0 0 0 25 0 1 0 221818353 6459392 1438 1992294400 134512640 135192793 4294956224 18446744073709551615 134534061 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 1577 1438 73 166 0 1408 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6308

[startup+3.10134 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 29490
/proc/meminfo: memFree=1631816/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=8556 CPUtime=3.09
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 2263 0 0 0 309 0 0 0 25 0 1 0 221818353 8761344 2020 1992294400 134512640 135192793 4294956224 18446744073709551615 134550883 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 2139 2020 73 166 0 1970 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 8556

[startup+6.3017 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 29490
/proc/meminfo: memFree=1628040/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=11856 CPUtime=6.29
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 3060 0 0 0 629 0 0 0 25 0 1 0 221818353 12140544 2817 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 2964 2817 73 166 0 2795 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 11856

[startup+12.7014 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 29490
/proc/meminfo: memFree=1623496/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=15696 CPUtime=12.68
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 3984 0 0 0 1267 1 0 0 25 0 1 0 221818353 16072704 3741 1992294400 134512640 135192793 4294956224 18446744073709551615 134766703 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 3924 3741 73 166 0 3755 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 15696

[startup+25.5019 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 29490
/proc/meminfo: memFree=1620808/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=18512 CPUtime=25.48
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 4635 0 0 0 2546 2 0 0 25 0 1 0 221818353 18956288 4392 1992294400 134512640 135192793 4294956224 18446744073709551615 134533227 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 4628 4392 73 166 0 4459 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 18512

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

[startup+31.9056 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 29490
/proc/meminfo: memFree=1620232/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=19104 CPUtime=31.88
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 4778 0 0 0 3186 2 0 0 25 0 1 0 221818353 19562496 4535 1992294400 134512640 135192793 4294956224 18446744073709551615 134533911 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 4776 4535 73 166 0 4607 0
Current children cumulated CPU time (s) 31.88
Current children cumulated vsize (KiB) 19104

[startup+35.102 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 29490
/proc/meminfo: memFree=1619400/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=19964 CPUtime=35.09
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 4985 0 0 0 3506 3 0 0 25 0 1 0 221818353 20443136 4742 1992294400 134512640 135192793 4294956224 18446744073709551615 134533842 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 4991 4742 73 166 0 4822 0
Current children cumulated CPU time (s) 35.09
Current children cumulated vsize (KiB) 19964

[startup+36.7012 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 29490
/proc/meminfo: memFree=1619272/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=20252 CPUtime=36.68
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 5032 0 0 0 3665 3 0 0 25 0 1 0 221818353 20738048 4789 1992294400 134512640 135192793 4294956224 18446744073709551615 134547878 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 5063 4789 73 166 0 4894 0
Current children cumulated CPU time (s) 36.68
Current children cumulated vsize (KiB) 20252

[startup+38.3013 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 29490
/proc/meminfo: memFree=1619080/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=21056 CPUtime=38.28
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 5215 0 0 0 3825 3 0 0 25 0 1 0 221818353 21561344 4972 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 5264 4972 73 166 0 5095 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 21056

[startup+39.1014 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 29490
/proc/meminfo: memFree=1618376/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=21996 CPUtime=39.08
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 5455 0 0 0 3905 3 0 0 25 0 1 0 221818353 22523904 5212 1992294400 134512640 135192793 4294956224 18446744073709551615 134549684 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 5499 5212 73 166 0 5330 0
Current children cumulated CPU time (s) 39.08
Current children cumulated vsize (KiB) 21996

[startup+39.5015 s]
/proc/loadavg: 0.99 0.98 0.99 2/65 29490
/proc/meminfo: memFree=1617480/2055920 swapFree=3990728/4192956
[pid=29489] ppid=29487 vsize=21996 CPUtime=39.48
/proc/29489/stat : 29489 (mxc-sat09) R 29487 29489 29273 0 -1 4194304 5455 0 0 0 3945 3 0 0 25 0 1 0 221818353 22523904 5212 1992294400 134512640 135192793 4294956224 18446744073709551615 134533892 0 0 4096 0 0 0 0 17 1 0 0
/proc/29489/statm: 5499 5212 73 166 0 5330 0
Current children cumulated CPU time (s) 39.48
Current children cumulated vsize (KiB) 21996

Child status: 10
Real time (s): 39.5332
CPU time (s): 39.522
CPU user time (s): 39.48
CPU system time (s): 0.041993
CPU usage (%): 99.9716
Max. virtual memory (cumulated for all children) (KiB): 21996

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 39.48
system time used= 0.041993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5458
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= 5
involuntary context switches= 102

runsolver used 0.044993 second user time and 0.084987 second system time

The end

Launcher Data 

Begin job on node23 at 2009-05-10 08:44:09
IDJOB=1784401
IDBENCH=71377
IDSOLVER=613
FILE ID=node23/1784401-1241937848
PBS_JOBID= 9264985
Free space on /tmp= 66344 MiB

SOLVER NAME= MXC 2009-03-10
BENCH NAME= SAT09/CRAFTED/rbsat/random/forced/rbsat-v760c43649gyes10.cnf
COMMAND LINE= HOME/mxc-sat09 -i BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1784401-1241937848/watcher-1784401-1241937848 -o /tmp/evaluation-result-1784401-1241937848/solver-1784401-1241937848 -C 5000 -W 6000 -M 1800  HOME/mxc-sat09 -i HOME/instance-1784401-1241937848.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 81c9aa5c768c12f86139286d1d6bc62c
RANDOM SEED=557878629

node23.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		: 3000.238
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		: 3000.238
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:       1638832 kB
Buffers:         51936 kB
Cached:         120952 kB
SwapCached:     196896 kB
Active:         154092 kB
Inactive:       217232 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1638832 kB
SwapTotal:     4192956 kB
SwapFree:      3990728 kB
Dirty:            1360 kB
Writeback:           0 kB
Mapped:          14060 kB
Slab:            31852 kB
Committed_AS:   765680 kB
PageTables:       1388 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= 66344 MiB
End job on node23 at 2009-05-10 08:44:48