Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:00:00 2013

Optimize a model with 1400 rows, 110300 columns and 230400 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.16s
Presolved: 1300 rows, 110200 columns, 220300 nonzeros
Variable types: 110200 continuous, 0 integer (0 binary)

Root relaxation: objective 8.951303e+05, 8773 iterations, 0.68 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 895130.293    0    4          - 895130.293     -      -    0s
H    0     0                    921143.21481 895130.293  2.82%     -    1s
     0     2 895130.293    0    4 921143.215 895130.293  2.82%     -    2s
    23    25 907578.862   12    4 921143.215 895998.289  2.73%   192    5s
   115   101 910423.416   58    2 921143.215 896210.362  2.71%  89.6   10s
   213   181 918804.230  107    3 921143.215 896210.362  2.71%  61.4   15s
*  311   143             156    905376.20513 896210.362  1.01%  46.5   18s
*  359    33             180    900205.46595 896210.362  0.44%  40.7   19s
*  379    29             190    900183.43961 896210.362  0.44%  38.6   19s
   380    30 899839.944  190    1 900183.440 896210.362  0.44%  38.5   20s
*  412    24             206    900116.97313 896210.362  0.43%  35.5   20s
   473    37 898352.564   32    1 900116.973 896210.362  0.43%  37.3   25s
   636    42 896917.398    8    1 900116.973 896546.546  0.40%  31.5   30s
*  640     8              10    896949.94038 896546.546  0.04%  31.5   30s
*  651     4              12    896634.43616 896634.324  0.00%  31.9   31s

Explored 652 nodes (29572 simplex iterations) in 31.44 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.966344361626e+05, best bound 8.966343243635e+05, gap 0.0000%