Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:47:18 2013

Optimize a model with 2200 rows, 101700 columns and 207600 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.26s
Presolved: 2100 rows, 101600 columns, 206500 nonzeros
Variable types: 101200 continuous, 400 integer (400 binary)

Root relaxation: objective 7.672886e+05, 5380 iterations, 0.43 seconds

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

     0     0 767288.564    0    9          - 767288.564     -      -    0s
     0     0 767328.491    0    6          - 767328.491     -      -    1s
     0     0 767328.491    0    6          - 767328.491     -      -    1s
     0     0 767328.491    0    6          - 767328.491     -      -    1s
     0     0 767328.491    0    6          - 767328.491     -      -    2s
     0     0 767328.491    0    6          - 767328.491     -      -    2s
     0     0 767328.491    0    6          - 767328.491     -      -    3s
H    0     0                    776276.14513 767328.491  1.15%     -    3s
     0     2 767336.603    0    6 776276.145 767336.603  1.15%     -    3s
     8    10 768008.879    7    3 776276.145 767724.122  1.10%   123    5s
*   23     4              22    768339.12297 767724.122  0.08%  49.4    7s

Cutting planes:
  Flow cover: 5

Explored 42 nodes (9193 simplex iterations) in 8.25 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.683391229688e+05, best bound 7.683391229688e+05, gap 0.0%