Gurobi 5.0.1 (linux64) logging started Fri Jan 18 08:56:08 2013

Optimize a model with 1400 rows, 200300 columns and 500400 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.51s
Presolved: 1300 rows, 200200 columns, 400300 nonzeros
Variable types: 200200 continuous, 0 integer (0 binary)

Root relaxation: objective 8.654105e+05, 11174 iterations, 1.87 seconds

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

     0     0 865410.545    0    2          - 865410.545     -      -    2s
     0     2 865410.545    0    2          - 865410.545     -      -    5s
    28    30 894441.545   14    2          - 866564.739     -    186   10s
*   31    15              16    867835.85010 866564.739  0.15%   178   11s
    93    17 866786.437   21    1 867835.850 866599.521  0.14%  73.6   15s
*  105     3              27    866849.82663 866599.521  0.03%  65.3   15s

Explored 107 nodes (18063 simplex iterations) in 15.76 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.668498266279e+05, best bound 8.667706496003e+05, gap 0.0091%