Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:22:44 2013

Optimize a model with 3400 rows, 102200 columns and 208100 nonzeros
Presolve removed 400 rows and 300 columns
Presolve time: 0.43s
Presolved: 3000 rows, 101900 columns, 206500 nonzeros
Variable types: 101000 continuous, 900 integer (900 binary)

Root relaxation: objective 7.672886e+05, 6176 iterations, 0.62 seconds

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

     0     0 767288.564    0    3          - 767288.564     -      -    1s
H    0     0                    777137.40321 767288.564  1.27%     -    1s
     0     2 767306.286    0    3 777137.403 767306.286  1.27%     -    2s
H    2     2                    770477.85348 767348.806  0.41%  35.5    2s
H   15    10                    770060.71828 767723.591  0.30%  80.2    4s
H   23    13                    769996.03218 767723.591  0.30%  55.7    4s
*   24    11              22    769920.87796 767723.591  0.29%  55.4    4s
H   25     0                    768339.12297 767723.591  0.08%  53.2    5s

Explored 65 nodes (8268 simplex iterations) in 5.89 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.683391229688e+05, best bound 7.682722768274e+05, gap 0.0087%