Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:28:48 2013

Optimize a model with 2400 rows, 103200 columns and 208100 nonzeros
Presolve removed 200 rows and 300 columns
Presolve time: 0.79s
Presolved: 2200 rows, 102900 columns, 205800 nonzeros
Variable types: 102000 continuous, 900 integer (900 binary)

Root relaxation: objective 7.672886e+05, 7976 iterations, 1.09 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     -      -    2s
     0     0 767328.491    0    2          - 767328.491     -      -    2s
     0     0 767328.491    0    2          - 767328.491     -      -    3s
     0     0 767328.491    0    2          - 767328.491     -      -    3s
     0     0 767328.491    0    2          - 767328.491     -      -    4s
     0     0 767328.491    0    2          - 767328.491     -      -    4s
     0     0 767328.491    0    2          - 767328.491     -      -    5s
     0     0 767328.491    0    2          - 767328.491     -      -    5s
H    0     0                    776276.14513 767328.491  1.15%     -    7s
     0     2 767336.603    0    2 776276.145 767336.603  1.15%     -   10s
*   17     7              17    768339.12297 767726.122  0.08%  46.7   12s
    40     7 768180.074    6    1 768339.123 768170.418  0.02%  46.8   15s

Cutting planes:
  Flow cover: 8

Explored 64 nodes (11014 simplex iterations) in 16.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.683391229688e+05, best bound 7.682814910465e+05, gap 0.0075%