Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:24:02 2013

Optimize a model with 3400 rows, 102200 columns and 208100 nonzeros
Presolve removed 400 rows and 300 columns
Presolve time: 1.09s
Presolved: 3000 rows, 101900 columns, 206500 nonzeros
Variable types: 101000 continuous, 900 integer (900 binary)

Root relaxation: objective 9.053666e+05, 8096 iterations, 1.59 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     -      -    2s
H    0     0                    1029085.9837 905366.638  12.0%     -    3s
H    0     0                    929223.47798 905366.638  2.57%     -    3s
     0     2 905387.296    0    2 929223.478 905387.296  2.57%     -    5s
H   10    10                    909710.08880 906127.616  0.39%   137    9s
H   16    13                    908273.08849 906127.616  0.24%   101   10s
H   17    12                    908228.85545 906127.616  0.23%  96.4   10s
*   21    12              20    908006.29248 906127.616  0.21%  86.0   10s
    42    11 907459.434    2    1 908006.292 907282.212  0.08%   116   15s

Explored 59 nodes (15348 simplex iterations) in 18.36 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.080062924750e+05, best bound 9.079202440033e+05, gap 0.0095%