Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:41:37 2013

Optimize a model with 1400 rows, 105300 columns and 215400 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.22s
Presolved: 1300 rows, 105200 columns, 210300 nonzeros
Variable types: 105200 continuous, 0 integer (0 binary)

Root relaxation: objective 8.570461e+05, 8832 iterations, 0.75 seconds

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

     0     0 857046.104    0    1          - 857046.104     -      -    1s
H    0     0                    1011290.3926 857046.104  15.3%     -    1s
     0     2 857046.104    0    1 1011290.39 857046.104  15.3%     -    2s
    15    17 861416.099    8    1 1011290.39 858246.035  15.1%   232    5s
    55    57 874099.252   28    1 1011290.39 858246.035  15.1%   157   10s
*   73    73              37    895811.73760 858246.035  4.19%   139   11s
   138   138 863663.946   69    1 895811.738 858246.035  4.19%  93.2   15s
   267   267 874458.128  134    1 895811.738 858246.035  4.19%  62.6   20s
*  295   117             148    867365.29681 858246.035  1.05%  57.5   20s
*  311    73             156    866290.71765 858246.035  0.93%  54.5   20s
*  344    68             172    866061.67365 858246.035  0.90%  49.4   21s
*  410    14              35    859257.63985 858246.035  0.12%  49.9   24s
   412    10 858531.754    2    1 859257.640 858413.538  0.10%  50.7   25s
*  529    11              26    859153.29989 858797.976  0.04%  42.8   28s
*  560    29              42    859020.62193 858915.149  0.01%  40.5   28s

Explored 565 nodes (31535 simplex iterations) in 28.45 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.590206219257e+05, best bound 8.589366879433e+05, gap 0.0098%