| Solver Name | Answer | objective function | CPU time | Wall clock time |
|---|---|---|---|---|
| SCIPclp SCIP 1.2.1.2 with Clp 1.11.1 (Release Version) as LP solver | OPT | 3 | 0.072988 | 0.073082 |
| Name | normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/ factor-mod-B/factor-mod-size=5-P0=13-P1=13-B.opb |
| MD5SUM | 7e1a1d048dc92de7feed905686f8ac31 |
| Bench Category | OPT-SMALLINT-NLC (optimisation, small integers, non linear constraints) |
| Best result obtained on this benchmark | OPT |
| Best value of the objective obtained on this benchmark | 3 |
| Best CPU time to get the best result obtained on this benchmark | 0.014996 |
| Has Objective Function | YES |
| Satisfiable | YES |
| (Un)Satisfiability was proved | YES |
| Best value of the objective function | 3 |
| Optimality of the best value was proved | YES |
| Number of variables | 15 |
| Total number of constraints | 3 |
| Number of constraints which are clauses | 0 |
| Number of constraints which are cardinality constraints (but not clauses) | 0 |
| Number of constraints which are nor clauses,nor cardinality constraints | 3 |
| Minimum length of a constraint | 5 |
| Maximum length of a constraint | 30 |
| Number of terms in the objective function | 5 |
| Biggest coefficient in the objective function | 16 |
| Number of bits for the biggest coefficient in the objective function | 5 |
| Sum of the numbers in the objective function | 31 |
| Number of bits of the sum of numbers in the objective function | 5 |
| Biggest number in a constraint | 512 |
| Number of bits of the biggest number in a constraint | 10 |
| Biggest sum of numbers in a constraint | 1962 |
| Number of bits of the biggest sum of numbers | 11 |
| Number of products (including duplicates) | 25 |
| Sum of products size (including duplicates) | 50 |
| Number of different products | 25 |
| Sum of products size | 50 |
0.00/0.00 c SCIP version 1.2.1.2 [precision: 8 byte] [memory: block] [mode: optimized] [LP solver: Clp 1.11.1] [Expressions interpreter: NONE]
0.00/0.00 c Copyright (c) 2002-2010 Konrad-Zuse-Zentrum fuer Informationstechnik Berlin (ZIB)
0.00/0.00 c
0.00/0.00 c user parameter file <scip.set> not found - using default parameters
0.00/0.00 c reading problem <HOME/instance-2665009-1276647656.opb>
0.00/0.01 c original problem has 40 variables (40 bin, 0 int, 0 impl, 0 cont) and 28 constraints
0.00/0.01 c problem read
0.00/0.01 c presolving settings loaded
0.00/0.01 c presolving:
0.00/0.01 c (round 1) 2 del vars, 0 del conss, 0 chg bounds, 0 chg sides, 6 chg coeffs, 0 upgd conss, 104 impls, 0 clqs
0.00/0.02 c (round 2) 14 del vars, 9 del conss, 0 chg bounds, 0 chg sides, 15 chg coeffs, 0 upgd conss, 118 impls, 0 clqs
0.00/0.02 c (round 3) 15 del vars, 10 del conss, 0 chg bounds, 0 chg sides, 16 chg coeffs, 2 upgd conss, 118 impls, 0 clqs
0.00/0.02 c (round 4) 16 del vars, 11 del conss, 0 chg bounds, 0 chg sides, 16 chg coeffs, 2 upgd conss, 118 impls, 0 clqs
0.00/0.02 c presolving (5 rounds):
0.00/0.02 c 16 deleted vars, 11 deleted constraints, 0 tightened bounds, 0 added holes, 0 changed sides, 16 changed coefficients
0.00/0.02 c 124 implications, 0 cliques
0.00/0.02 c presolved problem has 24 variables (24 bin, 0 int, 0 impl, 0 cont) and 16 constraints
0.00/0.02 c 13 constraints of type <and>
0.00/0.02 c 1 constraints of type <linear>
0.00/0.02 c 2 constraints of type <logicor>
0.00/0.02 c transformed objective value is always integral (scale: 2)
0.00/0.02 c Presolving Time: 0.01
0.00/0.02 c - non default parameters ----------------------------------------------------------------------
0.00/0.02 c # SCIP version 1.2.1.2
0.00/0.02 c
0.00/0.02 c # frequency for displaying node information lines
0.00/0.02 c # [type: int, range: [-1,2147483647], default: 100]
0.00/0.02 c display/freq = 10000
0.00/0.02 c
0.00/0.02 c # maximal time in seconds to run
0.00/0.02 c # [type: real, range: [0,1.79769313486232e+308], default: 1e+20]
0.00/0.02 c limits/time = 1800
0.00/0.02 c
0.00/0.02 c # maximal memory usage in MB; reported memory usage is lower than real memory usage!
0.00/0.02 c # [type: real, range: [0,1.79769313486232e+308], default: 1e+20]
0.00/0.02 c limits/memory = 1620
0.00/0.02 c
0.00/0.02 c # should presolving try to simplify inequalities
0.00/0.02 c # [type: bool, range: {TRUE,FALSE}, default: FALSE]
0.00/0.02 c constraints/linear/simplifyinequalities = TRUE
0.00/0.02 c
0.00/0.02 c # should presolving try to simplify knapsacks
0.00/0.02 c # [type: bool, range: {TRUE,FALSE}, default: FALSE]
0.00/0.02 c constraints/knapsack/simplifyinequalities = TRUE
0.00/0.02 c
0.00/0.02 c # frequency for calling primal heuristic <undercover> (-1: never, 0: only at depth freqofs)
0.00/0.02 c # [type: int, range: [-1,2147483647], default: -1]
0.00/0.02 c heuristics/undercover/freq = 0
0.00/0.02 c
0.00/0.02 c # frequency for calling separator <rapidlearning> (-1: never, 0: only in root node)
0.00/0.02 c # [type: int, range: [-1,2147483647], default: -1]
0.00/0.02 c separating/rapidlearning/freq = 0
0.00/0.02 c
0.00/0.02 c -----------------------------------------------------------------------------------------------
0.00/0.02 c start solving
0.00/0.03 c
0.00/0.03 c time | node | left |LP iter|LP it/n| mem |mdpt |frac |vars |cons |cols |rows |cuts |confs|strbr| dualbound | primalbound | gap
0.00/0.03 c 0.0s| 1 | 0 | 2 | - | 220k| 0 | 0 | 24 | 16 | 24 | 29 | 0 | 0 | 0 | 3.000000e+00 | -- | Inf
0.00/0.06 o 3
0.00/0.06 c u 0.0s| 1 | 0 | 2 | - | 221k| 0 | - | 24 | 16 | 24 | 29 | 0 | 0 | 0 | 3.000000e+00 | 3.000000e+00 | 0.00%
0.00/0.06 c 0.0s| 1 | 0 | 2 | - | 221k| 0 | - | 24 | 16 | 24 | 29 | 0 | 0 | 0 | 3.000000e+00 | 3.000000e+00 | 0.00%
0.00/0.06 c
0.00/0.06 c SCIP Status : problem is solved [optimal solution found]
0.00/0.06 c Solving Time (sec) : 0.03
0.00/0.06 c Solving Nodes : 1
0.00/0.06 c Primal Bound : +3.00000000000000e+00 (1 solutions)
0.00/0.06 c Dual Bound : +3.00000000000000e+00
0.00/0.06 c Gap : 0.00 %
0.00/0.06 s OPTIMUM FOUND
0.00/0.06 v -x15 -x14 -x13 -x12 -x11 -x10 -x9 -x8 x7 x6 -x5 -x4 -x3 x2 x1
0.00/0.06 c SCIP Status : problem is solved [optimal solution found]
0.00/0.06 c Solving Time : 0.03
0.00/0.06 c Original Problem :
0.00/0.06 c Problem name : HOME/instance-2665009-1276647656.opb
0.00/0.06 c Variables : 40 (40 binary, 0 integer, 0 implicit integer, 0 continuous)
0.00/0.06 c Constraints : 28 initial, 28 maximal
0.00/0.06 c Presolved Problem :
0.00/0.06 c Problem name : t_HOME/instance-2665009-1276647656.opb
0.00/0.06 c Variables : 24 (24 binary, 0 integer, 0 implicit integer, 0 continuous)
0.00/0.06 c Constraints : 16 initial, 16 maximal
0.00/0.06 c Presolvers : Time FixedVars AggrVars ChgTypes ChgBounds AddHoles DelCons ChgSides ChgCoefs
0.00/0.06 c trivial : 0.00 0 0 0 0 0 0 0 0
0.00/0.06 c dualfix : 0.00 0 0 0 0 0 0 0 0
0.00/0.06 c boundshift : 0.00 0 0 0 0 0 0 0 0
0.00/0.06 c inttobinary : 0.00 0 0 0 0 0 0 0 0
0.00/0.06 c implics : 0.00 0 0 0 0 0 0 0 0
0.00/0.06 c probing : 0.00 0 0 0 0 0 0 0 0
0.00/0.06 c and : 0.00 2 11 0 0 0 11 0 10
0.00/0.06 c linear : 0.00 1 2 0 0 0 0 0 6
0.00/0.06 c logicor : 0.00 0 0 0 0 0 0 0 0
0.00/0.06 c root node : - 0 - - 0 - - - -
0.00/0.06 c Constraints : Number #Separate #Propagate #EnfoLP #EnfoPS Cutoffs DomReds Cuts Conss Children
0.00/0.06 c integral : 0 0 0 0 0 0 0 0 0 0
0.00/0.06 c and : 13 0 59 0 0 0 0 0 0 0
0.00/0.06 c linear : 1 0 59 0 0 0 0 0 0 0
0.00/0.06 c logicor : 2 0 19 0 0 0 0 0 0 0
0.00/0.06 c countsols : 0 0 0 0 0 0 0 0 0 0
0.00/0.06 c Constraint Timings : TotalTime Separate Propagate EnfoLP EnfoPS
0.00/0.06 c integral : 0.00 0.00 0.00 0.00 0.00
0.00/0.06 c and : 0.00 0.00 0.00 0.00 0.00
0.00/0.06 c linear : 0.00 0.00 0.00 0.00 0.00
0.00/0.06 c logicor : 0.00 0.00 0.00 0.00 0.00
0.00/0.06 c countsols : 0.00 0.00 0.00 0.00 0.00
0.00/0.06 c Propagators : Time Calls Cutoffs DomReds
0.00/0.06 c vbounds : 0.00 2 0 0
0.00/0.06 c rootredcost : 0.00 0 0 0
0.00/0.06 c pseudoobj : 0.00 9 0 0
0.00/0.06 c Conflict Analysis : Time Calls Success Conflicts Literals Reconvs ReconvLits LP Iters
0.00/0.06 c propagation : 0.00 0 0 0 0.0 0 0.0 -
0.00/0.06 c infeasible LP : 0.00 0 0 0 0.0 0 0.0 0
0.00/0.06 c bound exceed. LP : 0.00 0 0 0 0.0 0 0.0 0
0.00/0.06 c strong branching : 0.00 0 0 0 0.0 0 0.0 0
0.00/0.06 c pseudo solution : 0.00 0 0 0 0.0 0 0.0 -
0.00/0.06 c applied globally : - - - 0 0.0 - - -
0.00/0.06 c applied locally : - - - 0 0.0 - - -
0.00/0.06 c Separators : Time Calls Cutoffs DomReds Cuts Conss
0.00/0.06 c cut pool : 0.00 0 - - 0 - (maximal pool size: 0)
0.00/0.06 c redcost : 0.00 0 0 0 0 0
0.00/0.06 c impliedbounds : 0.00 0 0 0 0 0
0.00/0.06 c intobj : 0.00 0 0 0 0 0
0.00/0.06 c cgmip : 0.00 0 0 0 0 0
0.00/0.06 c gomory : 0.00 0 0 0 0 0
0.00/0.06 c strongcg : 0.00 0 0 0 0 0
0.00/0.06 c cmir : 0.00 0 0 0 0 0
0.00/0.06 c flowcover : 0.00 0 0 0 0 0
0.00/0.06 c clique : 0.00 0 0 0 0 0
0.00/0.06 c zerohalf : 0.00 0 0 0 0 0
0.00/0.06 c mcf : 0.00 0 0 0 0 0
0.00/0.06 c rapidlearning : 0.00 0 0 0 0 0
0.00/0.06 c Pricers : Time Calls Vars
0.00/0.06 c problem variables: 0.00 0 0
0.00/0.06 c Branching Rules : Time Calls Cutoffs DomReds Cuts Conss Children
0.00/0.06 c pscost : 0.00 0 0 0 0 0 0
0.00/0.06 c inference : 0.00 0 0 0 0 0 0
0.00/0.06 c mostinf : 0.00 0 0 0 0 0 0
0.00/0.06 c leastinf : 0.00 0 0 0 0 0 0
0.00/0.06 c fullstrong : 0.00 0 0 0 0 0 0
0.00/0.06 c allfullstrong : 0.00 0 0 0 0 0 0
0.00/0.06 c random : 0.00 0 0 0 0 0 0
0.00/0.06 c relpscost : 0.00 0 0 0 0 0 0
0.00/0.06 c Primal Heuristics : Time Calls Found
0.00/0.06 c LP solutions : 0.00 - 0
0.00/0.06 c pseudo solutions : 0.00 - 0
0.00/0.06 c oneopt : 0.00 0 0
0.00/0.06 c trivial : 0.00 2 0
0.00/0.06 c simplerounding : 0.00 0 0
0.00/0.06 c zirounding : 0.00 0 0
0.00/0.06 c rounding : 0.00 0 0
0.00/0.06 c shifting : 0.00 0 0
0.00/0.06 c intshifting : 0.00 0 0
0.00/0.06 c twoopt : 0.00 0 0
0.00/0.06 c fixandinfer : 0.00 0 0
0.00/0.06 c feaspump : 0.00 0 0
0.00/0.06 c coefdiving : 0.00 0 0
0.00/0.06 c pscostdiving : 0.00 0 0
0.00/0.06 c fracdiving : 0.00 0 0
0.00/0.06 c veclendiving : 0.00 0 0
0.00/0.06 c intdiving : 0.00 0 0
0.00/0.06 c actconsdiving : 0.00 0 0
0.00/0.06 c objpscostdiving : 0.00 0 0
0.00/0.06 c rootsoldiving : 0.00 0 0
0.00/0.06 c linesearchdiving : 0.00 0 0
0.00/0.06 c guideddiving : 0.00 0 0
0.00/0.06 c octane : 0.00 0 0
0.00/0.06 c rens : 0.00 0 0
0.00/0.06 c rins : 0.00 0 0
0.00/0.06 c localbranching : 0.00 0 0
0.00/0.06 c mutation : 0.00 0 0
0.00/0.06 c crossover : 0.00 0 0
0.00/0.06 c dins : 0.00 0 0
0.00/0.06 c undercover : 0.02 1 1
0.00/0.06 c nlp : 0.00 0 0
0.00/0.06 c trysol : 0.00 0 0
0.00/0.06 c LP : Time Calls Iterations Iter/call Iter/sec
0.00/0.06 c primal LP : 0.00 0 0 0.00 -
0.00/0.06 c dual LP : 0.00 1 2 2.00 -
0.00/0.06 c lex dual LP : 0.00 0 0 0.00 -
0.00/0.06 c barrier LP : 0.00 0 0 0.00 -
0.00/0.06 c diving/probing LP: 0.00 0 0 0.00 -
0.00/0.06 c strong branching : 0.00 0 0 0.00 -
0.00/0.06 c (at root node) : - 0 0 0.00 -
0.00/0.06 c conflict analysis: 0.00 0 0 0.00 -
0.00/0.06 c B&B Tree :
0.00/0.06 c number of runs : 1
0.00/0.06 c nodes : 1
0.00/0.06 c nodes (total) : 1
0.00/0.06 c nodes left : 0
0.00/0.06 c max depth : 0
0.00/0.06 c max depth (total): 0
0.00/0.06 c backtracks : 0 (0.0%)
0.00/0.06 c delayed cutoffs : 0
0.00/0.06 c repropagations : 0 (0 domain reductions, 0 cutoffs)
0.00/0.06 c avg switch length: 2.00
0.00/0.06 c switching time : 0.00
0.00/0.06 c Solution :
0.00/0.06 c Solutions found : 1 (1 improvements)
0.00/0.06 c First Solution : +3.00000000000000e+00 (in run 1, after 1 nodes, 0.02 seconds, depth 0, found by <undercover>)
0.00/0.06 c Primal Bound : +3.00000000000000e+00 (in run 1, after 1 nodes, 0.02 seconds, depth 0, found by <undercover>)
0.00/0.06 c Dual Bound : +3.00000000000000e+00
0.00/0.06 c Gap : 0.00 %
0.00/0.06 c Root Dual Bound : +3.00000000000000e+00
0.00/0.06 c Root Iterations : 2
0.00/0.07 c Time complete: 0.06.
OK 3
runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2665009-1276647656/watcher-2665009-1276647656 -o /tmp/evaluation-result-2665009-1276647656/solver-2665009-1276647656 -C 1800 -W 2000 -M 1800 HOME/pbscip.linux.x86_64.gnu.opt.clp -f HOME/instance-2665009-1276647656.opb -t 1800 -m 1800 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: 0.86 1.19 1.14 3/105 14987 /proc/meminfo: memFree=1827252/2059040 swapFree=4164956/4192956 [pid=14987] ppid=14985 vsize=9288 CPUtime=0 /proc/14987/stat : 14987 (pbscip.linux.x8) R 14985 14987 13972 0 -1 4202496 1135 0 0 0 0 0 0 0 25 0 1 0 6058753 9510912 1055 1992294400 4194304 9819077 140737391835792 18446744073709551615 8675093 0 0 4096 0 0 0 0 17 1 0 0 0 /proc/14987/statm: 2322 1064 371 1374 0 943 0 [startup+0.0138579 s] /proc/loadavg: 0.86 1.19 1.14 3/105 14987 /proc/meminfo: memFree=1827252/2059040 swapFree=4164956/4192956 [pid=14987] ppid=14985 vsize=11200 CPUtime=0 /proc/14987/stat : 14987 (pbscip.linux.x8) R 14985 14987 13972 0 -1 4202496 2012 0 0 0 0 0 0 0 25 0 1 0 6058753 11468800 1579 1992294400 4194304 9819077 140737391835792 18446744073709551615 8675093 0 0 4096 16384 0 0 0 17 1 0 0 0 /proc/14987/statm: 2800 1591 424 1374 0 1421 0 Current children cumulated CPU time (s) 0 Current children cumulated vsize (KiB) 11200 Solver just ended. Dumping a history of the last processes samples [startup+0.0138579 s] /proc/loadavg: 0.86 1.19 1.14 3/105 14987 /proc/meminfo: memFree=1827252/2059040 swapFree=4164956/4192956 [pid=14987] ppid=14985 vsize=11200 CPUtime=0 /proc/14987/stat : 14987 (pbscip.linux.x8) R 14985 14987 13972 0 -1 4202496 2012 0 0 0 0 0 0 0 25 0 1 0 6058753 11468800 1579 1992294400 4194304 9819077 140737391835792 18446744073709551615 8675093 0 0 4096 16384 0 0 0 17 1 0 0 0 /proc/14987/statm: 2800 1591 424 1374 0 1421 0 Current children cumulated CPU time (s) 0 Current children cumulated vsize (KiB) 11200 Child status: 0 Real time (s): 0.073082 CPU time (s): 0.072988 CPU user time (s): 0.038994 CPU system time (s): 0.033994 CPU usage (%): 99.8714 Max. virtual memory (cumulated for all children) (KiB): 11200 getrusage(RUSAGE_CHILDREN,...) data: user time used= 0.038994 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= 8951 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= 3 involuntary context switches= 1 runsolver used 0.004999 second user time and 0.008998 second system time The end
Begin job on node080 at 2010-06-16 02:20:56 IDJOB=2665009 IDBENCH=47952 IDSOLVER=1168 FILE ID=node080/2665009-1276647656 PBS_JOBID= 11172407 Free space on /tmp= 62592 MiB SOLVER NAME= SCIPclp SCIP 1.2.1.2 with Clp 1.11.1 (Release Version) as LP solver BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=5-P0=13-P1=13-B.opb COMMAND LINE= HOME/pbscip.linux.x86_64.gnu.opt.clp -f BENCHNAME -t TIMEOUT -m MEMLIMIT RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2665009-1276647656/watcher-2665009-1276647656 -o /tmp/evaluation-result-2665009-1276647656/solver-2665009-1276647656 -C 1800 -W 2000 -M 1800 HOME/pbscip.linux.x86_64.gnu.opt.clp -f HOME/instance-2665009-1276647656.opb -t 1800 -m 1800 TIME LIMIT= 1800 seconds MEMORY LIMIT= 1800 MiB MAX NB THREAD= 0 MD5SUM BENCH= 7e1a1d048dc92de7feed905686f8ac31 RANDOM SEED=1206149737 node080.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 : 3000.242 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 : 6000.48 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 : 3000.242 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 : 5999.49 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: /proc/meminfo: MemTotal: 2059040 kB MemFree: 1827656 kB Buffers: 23592 kB Cached: 98360 kB SwapCached: 1540 kB Active: 93832 kB Inactive: 61840 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 2059040 kB LowFree: 1827656 kB SwapTotal: 4192956 kB SwapFree: 4164956 kB Dirty: 6260 kB Writeback: 0 kB AnonPages: 32168 kB Mapped: 14380 kB Slab: 54064 kB PageTables: 3944 kB NFS_Unstable: 0 kB Bounce: 0 kB CommitLimit: 5222476 kB Committed_AS: 182932 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= 62584 MiB End job on node080 at 2010-06-16 02:20:56