Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:53:57 2013

Optimize a model with 280 rows, 14060 columns and 38080 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.03s
Presolved: 260 rows, 14040 columns, 28060 nonzeros
Variable types: 14040 continuous, 0 integer (0 binary)

Root relaxation: objective 3.839329e+04, 413 iterations, 0.02 seconds

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

     0     0 38393.2919    0    2          - 38393.2919     -      -    0s
     0     2 38393.2919    0    2          - 38393.2919     -      -    0s
*   31     5              16    38634.721836 38634.7214  0.00%  16.1    0s

Explored 32 nodes (913 simplex iterations) in 0.41 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.863472183585e+04, best bound 3.863472137569e+04, gap 0.0000%