Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:49:48 2013

Optimize a model with 2400 rows, 101200 columns and 204100 nonzeros
Presolve removed 400 rows and 300 columns
Presolve time: 0.71s
Presolved: 2000 rows, 100900 columns, 203000 nonzeros
Variable types: 100500 continuous, 400 integer (400 binary)

Root relaxation: objective 8.951303e+05, 9299 iterations, 2.23 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     -      -    3s
H    0     0                    960175.85629 895130.293  6.77%     -    4s
H    0     0                    935478.39575 895130.293  4.31%     -    4s
H    0     0                    898400.46551 895130.293  0.36%     -    5s
     0     2 895183.470    0    4 898400.466 895183.470  0.36%     -    7s
*    7     5               7    897058.33532 895880.192  0.13%  73.9    9s
    11     4 896634.324    3    1 897058.335 896297.735  0.08%   110   10s
*   26     4              16    897055.84250 896444.200  0.07%  82.4   12s
*   34     2               4    896949.94038 896546.546  0.04%  94.9   13s
*   39     3               8    896634.43616 896559.305  0.01%  91.7   14s

Explored 40 nodes (12874 simplex iterations) in 14.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.966344361626e+05, best bound 8.965593048855e+05, gap 0.0084%