Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:20:26 2013

Optimize a model with 1800 rows, 100600 columns and 201700 nonzeros
Presolve removed 400 rows and 300 columns
Presolve time: 0.39s
Presolved: 1400 rows, 100300 columns, 200900 nonzeros
Variable types: 100200 continuous, 100 integer (100 binary)

Root relaxation: objective 8.570461e+05, 5385 iterations, 0.70 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                    864531.38994 857046.104  0.87%     -    1s
     0     2 857569.611    0    1 864531.390 857569.611  0.81%     -    2s
*   10     4              10    859564.51177 858177.942  0.16%  94.9    3s
H   13     1                    859138.24972 858292.034  0.10%  96.5    4s
H   14     2                    859105.49939 858312.493  0.09%  93.0    4s
H   20     2                    859103.12167 858459.754  0.07%  78.9    4s
    20     3 858512.909    4    1 859103.122 858459.754  0.07%  80.8    5s
*   22     2               6    858977.34942 858459.754  0.06%  78.5    5s

Explored 26 nodes (7512 simplex iterations) in 5.51 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.589773494193e+05, best bound 8.589773494193e+05, gap 0.0%