Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:01:46 2013

Optimize a model with 1400 rows, 110300 columns and 230400 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.18s
Presolved: 1300 rows, 110200 columns, 220300 nonzeros
Variable types: 110200 continuous, 0 integer (0 binary)

Root relaxation: objective 9.053666e+05, 7948 iterations, 0.85 seconds

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

     0     0 905366.638    0    2          - 905366.638     -      -    1s
     0     2 905366.638    0    2          - 905366.638     -      -    7s
     6     8 908178.863    3    1          - 906237.679     -    342   10s
    24    26 907861.792   12    1          - 906347.749     -    214   15s
    49    51 908002.901   25    2          - 906347.749     -    176   20s
*   67    15              34    908030.44231 906347.749  0.19%   139   22s
*   69    11              35    908030.30218 906347.749  0.19%   136   22s
    88    20 907693.617    3    1 908030.302 907083.685  0.10%   136   25s

Explored 154 nodes (21879 simplex iterations) in 28.49 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.080303021752e+05, best bound 9.079454330843e+05, gap 0.0093%