Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:54:02 2013

Optimize a model with 280 rows, 14060 columns and 38080 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.02s
Presolved: 260 rows, 14040 columns, 28060 nonzeros
Variable types: 14040 continuous, 0 integer (0 binary)

Root relaxation: objective 4.370285e+04, 548 iterations, 0.01 seconds

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

     0     0 43702.8549    0    2          - 43702.8549     -      -    0s
     0     2 43702.8549    0    2          - 43702.8549     -      -    0s
*   30    20              15    44224.140611 43852.1529  0.84%  10.7    0s
*   52    15              12    44051.546797 43878.1255  0.39%   8.3    0s
*   75     8              13    43900.868871 43896.9453  0.01%   6.7    0s

Explored 76 nodes (1047 simplex iterations) in 0.34 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.390086887068e+04, best bound 4.389694531587e+04, gap 0.0089%