Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:48:15 2013

Optimize a model with 280 rows, 24060 columns and 68080 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.06s
Presolved: 260 rows, 24040 columns, 48060 nonzeros
Variable types: 24040 continuous, 0 integer (0 binary)

Root relaxation: objective 4.636776e+04, 469 iterations, 0.02 seconds

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

     0     0 46367.7551    0    2          - 46367.7551     -      -    0s
     0     2 46367.7551    0    2          - 46367.7551     -      -    0s
*   25     7              13    46653.828109 46653.6050  0.00%  13.2    0s

Explored 26 nodes (799 simplex iterations) in 0.48 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.665382810945e+04, best bound 4.665360495326e+04, gap 0.0005%