Trace number 2667793

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
PB/CT 0.1SAT 22.3266 22.3327

General information on the benchmark

Namenormalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/
manquinho/dbsg/normalized-dbsg_500_60_2_15.opb
MD5SUM40a2ba0dbddb74264297ba04f9c13f4e
Bench CategoryDEC-SMALLINT-NLC (no optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark4.93625
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1000
Total number of constraints1502
Number of constraints which are clauses500
Number of constraints which are cardinality constraints (but not clauses)1
Number of constraints which are nor clauses,nor cardinality constraints1001
Minimum length of a constraint2
Maximum length of a constraint1000
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 15
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 1000
Number of bits of the biggest sum of numbers10
Number of products (including duplicates)74976
Sum of products size (including duplicates)149952
Number of different products37488
Sum of products size74976

Solver Data 

0.00/0.00	c PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.79/0.88	c constraints 38490/0 clauses 37988/0 units 0
0.79/0.88	c vars 1000
17.19/17.28	c 16.1385 1056.78 35 39037
17.19/17.28	s SATISFIABLE
17.19/17.28	v -x1 -x2 -x3 -x4 -x5 -x6 -x7 -x8 -x9 -x10 -x11 x12 -x13 -x14 -x15 -x16 -x17 -x18 -x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27 -x28 -x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x80 -x81 -x82 -x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 -x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 -x109 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118 -x119 -x120 -x121 -x122 x123 -x124 -x125 -x126 -x127 -x128 -x129 -x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 -x139 -x140 -x141 -x142 -x143 -x144 -x145 -x146 -x147 -x148 -x149 -x150 -x151 -x152 -x153 -x154 -x155 -x156 -x157 x158 -x159 -x160 -x161 -x162 -x163 -x164 x165 x166 -x167 -x168 -x169 -x170 -x171 -x172 x173 x174 -x175 x176 -x177 x178 x179 x180 -x181 -x182 -x183 -x184 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-x854 -x855 -x856 -x857 -x858 -x859 -x860 -x861 -x862 -x863 -x864 -x865 -x866 -x867 -x868 -x869 -x870 -x871 -x872 -x873 -x874 -x875 -x876 -x877 -x878 -x879 -x880 -x881 -x882 -x883 -x884 -x885 -x886 -x887 -x888 -x889 -x890 -x891 -x892 -x893 -x894 -x895 -x896 -x897 -x898 -x899 -x900 -x901 -x902 -x903 -x904 -x905 -x906 x907 -x908 -x909 -x910 -x911 -x912 x913 -x914 -x915 -x916 -x917 -x918 -x919 -x920 -x921 -x922 -x923 -x924 -x925 -x926 -x927 -x928 -x929 -x930 -x931 -x932 -x933 -x934 -x935 -x936 -x937 -x938 -x939 -x940 -x941 -x942 x943 -x944 -x945 -x946 -x947 -x948 -x949 -x950 -x951 -x952 -x953 -x954 -x955 -x956 -x957 -x958 -x959 -x960 -x961 -x962 -x963 x964 -x965 -x966 -x967 -x968 -x969 -x970 -x971 -x972 -x973 -x974 -x975 -x976 -x977 -x978 -x979 -x980 -x981 -x982 -x983 -x984 -x985 -x986 -x987 -x988 -x989 -x990 -x991 -x992 -x993 -x994 -x995 -x996 -x997 -x998 x999 -x1000

Verifier Data 

OK	0

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667793-1276684729/watcher-2667793-1276684729 -o /tmp/evaluation-result-2667793-1276684729/solver-2667793-1276684729 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667793-1276684729.opb 

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): 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: 1.13 1.06 1.01 2/106 16050
/proc/meminfo: memFree=1568476/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=2340 CPUtime=0
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 304 0 0 0 0 0 0 0 25 0 1 0 9765780 2396160 226 1992294400 134512640 136485738 4293950208 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16050/statm: 585 226 156 482 0 101 0

[startup+0.100072 s]
/proc/loadavg: 1.13 1.06 1.01 2/106 16050
/proc/meminfo: memFree=1568476/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=4848 CPUtime=0.09
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 922 0 0 0 9 0 0 0 25 0 1 0 9765780 4964352 844 1992294400 134512640 136485738 4293950208 18446744073709551615 135565585 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16050/statm: 1212 845 156 482 0 728 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4848

[startup+0.202082 s]
/proc/loadavg: 1.13 1.06 1.01 2/106 16050
/proc/meminfo: memFree=1568476/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=7752 CPUtime=0.19
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 1642 0 0 0 19 0 0 0 25 0 1 0 9765780 7938048 1564 1992294400 134512640 136485738 4293950208 18446744073709551615 135178904 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16050/statm: 1938 1564 156 482 0 1454 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 7752

[startup+0.301092 s]
/proc/loadavg: 1.13 1.06 1.01 2/106 16050
/proc/meminfo: memFree=1568476/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=10000 CPUtime=0.29
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 2219 0 0 0 29 0 0 0 25 0 1 0 9765780 10240000 2141 1992294400 134512640 136485738 4293950208 18446744073709551615 135177424 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16050/statm: 2500 2141 156 482 0 2016 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10000

[startup+0.701132 s]
/proc/loadavg: 1.13 1.06 1.01 2/106 16050
/proc/meminfo: memFree=1568476/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=20428 CPUtime=0.69
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 4816 0 0 0 68 1 0 0 25 0 1 0 9765780 20918272 4738 1992294400 134512640 136485738 4293950208 18446744073709551615 135848210 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/16050/statm: 5107 4738 156 482 0 4623 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 20428

[startup+1.50121 s]
/proc/loadavg: 1.12 1.06 1.01 2/107 16051
/proc/meminfo: memFree=1524448/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=82416 CPUtime=1.49
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 20663 0 0 0 141 8 0 0 25 0 1 0 9765780 84393984 20080 1992294400 134512640 136485738 4293950208 18446744073709551615 135849491 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16050/statm: 20604 20081 191 482 0 20120 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 82416

[startup+3.10137 s]
/proc/loadavg: 1.12 1.06 1.01 2/107 16051
/proc/meminfo: memFree=1432936/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=199532 CPUtime=3.09
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 51711 0 0 0 287 22 0 0 25 0 1 0 9765780 204320768 48778 1992294400 134512640 136485738 4293950208 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16050/statm: 49883 48779 196 482 0 49399 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 199532

[startup+6.30168 s]
/proc/loadavg: 1.11 1.06 1.01 2/107 16051
/proc/meminfo: memFree=1236272/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=379932 CPUtime=6.29
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 100469 0 0 0 586 43 0 0 25 0 1 0 9765780 389050368 93818 1992294400 134512640 136485738 4293950208 18446744073709551615 134725667 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16050/statm: 94983 93818 196 482 0 94499 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 379932

[startup+12.7013 s]
/proc/loadavg: 1.10 1.06 1.01 2/107 16053
/proc/meminfo: memFree=654092/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=949764 CPUtime=12.68
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 249523 0 0 0 1168 100 0 0 25 0 1 0 9765780 972558336 231663 1992294400 134512640 136485738 4293950208 18446744073709551615 134663853 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16050/statm: 237441 231663 208 482 0 236957 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 949764

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

[startup+12.8013 s]
/proc/loadavg: 1.10 1.06 1.01 2/107 16053
/proc/meminfo: memFree=654092/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=952772 CPUtime=12.79
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 250252 0 0 0 1178 101 0 0 25 0 1 0 9765780 975638528 232134 1992294400 134512640 136485738 4293950208 18446744073709551615 134948090 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16050/statm: 238193 232134 208 482 0 237709 0
Current children cumulated CPU time (s) 12.79
Current children cumulated vsize (KiB) 952772

[startup+19.2009 s]
/proc/loadavg: 1.09 1.06 1.01 2/107 16053
/proc/meminfo: memFree=586636/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=999056 CPUtime=19.19
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 284552 0 0 0 1805 114 0 0 25 0 1 0 9765780 1023033344 244950 1992294400 134512640 136485738 4293950208 18446744073709551615 134720175 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16050/statm: 249764 244950 246 482 0 249280 0
Current children cumulated CPU time (s) 19.19
Current children cumulated vsize (KiB) 999056

[startup+20.8011 s]
/proc/loadavg: 1.09 1.06 1.01 2/107 16053
/proc/meminfo: memFree=586636/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=999056 CPUtime=20.79
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 284552 0 0 0 1965 114 0 0 25 0 1 0 9765780 1023033344 244950 1992294400 134512640 136485738 4293950208 18446744073709551615 135839892 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16050/statm: 249764 244950 246 482 0 249280 0
Current children cumulated CPU time (s) 20.79
Current children cumulated vsize (KiB) 999056

[startup+21.6012 s]
/proc/loadavg: 1.08 1.06 1.01 2/107 16053
/proc/meminfo: memFree=586636/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=995972 CPUtime=21.59
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 284552 0 0 0 2045 114 0 0 25 0 1 0 9765780 1019875328 244179 1992294400 134512640 136485738 4293950208 18446744073709551615 135856849 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16050/statm: 248993 244179 246 482 0 248509 0
Current children cumulated CPU time (s) 21.59
Current children cumulated vsize (KiB) 995972

[startup+22.0012 s]
/proc/loadavg: 1.08 1.06 1.01 2/107 16053
/proc/meminfo: memFree=627804/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=940388 CPUtime=21.99
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 284552 0 0 0 2085 114 0 0 25 0 1 0 9765780 962957312 234667 1992294400 134512640 136485738 4293950208 18446744073709551615 135839787 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16050/statm: 235097 234667 246 482 0 234613 0
Current children cumulated CPU time (s) 21.99
Current children cumulated vsize (KiB) 940388

[startup+22.2012 s]
/proc/loadavg: 1.08 1.06 1.01 2/107 16053
/proc/meminfo: memFree=627804/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=940388 CPUtime=22.18
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202496 284552 0 0 0 2104 114 0 0 25 0 1 0 9765780 962957312 234667 1992294400 134512640 136485738 4293950208 18446744073709551615 135839796 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/16050/statm: 235097 234667 246 482 0 234613 0
Current children cumulated CPU time (s) 22.18
Current children cumulated vsize (KiB) 940388

[startup+22.3012 s]
/proc/loadavg: 1.08 1.06 1.01 2/107 16053
/proc/meminfo: memFree=627804/2059040 swapFree=4192956/4192956
[pid=16050] ppid=16048 vsize=0 CPUtime=22.28
/proc/16050/stat : 16050 (pbct) R 16048 16050 15165 0 -1 4202500 284553 0 0 0 2108 120 0 0 25 0 1 0 9765780 0 0 1992294400 0 0 0 0 0 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/16050/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 22.3327
CPU time (s): 22.3266
CPU user time (s): 21.0878
CPU system time (s): 1.23881
CPU usage (%): 99.9728
Max. virtual memory (cumulated for all children) (KiB): 1082140

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.0878
system time used= 1.23881
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 284553
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= 1
involuntary context switches= 77

runsolver used 0.039993 second user time and 0.114982 second system time

The end

Launcher Data 

Begin job on node036 at 2010-06-16 12:38:49
IDJOB=2667793
IDBENCH=48381
IDSOLVER=1170
FILE ID=node036/2667793-1276684729
PBS_JOBID= 11172546
Free space on /tmp= 62524 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB07/normalized-PB07/SATUNSAT-SMALLINT-NLC/submittedPB07/manquinho/dbsg/normalized-dbsg_500_60_2_15.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667793-1276684729/watcher-2667793-1276684729 -o /tmp/evaluation-result-2667793-1276684729/solver-2667793-1276684729 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667793-1276684729.opb

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

MD5SUM BENCH= 40a2ba0dbddb74264297ba04f9c13f4e
RANDOM SEED=1096954738

node036.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.251
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.50
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		: 3000.251
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1568880 kB
Buffers:        124472 kB
Cached:         224524 kB
SwapCached:          0 kB
Active:         156664 kB
Inactive:       251920 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1568880 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2848 kB
Writeback:           0 kB
AnonPages:       59572 kB
Mapped:          15452 kB
Slab:            59700 kB
PageTables:       4036 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180076 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62524 MiB
End job on node036 at 2010-06-16 12:39:11