Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:54:07 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 4.013975e+04, 356 iterations, 0.01 seconds

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

     0     0 40139.7487    0    2          - 40139.7487     -      -    0s
     0     2 40139.7487    0    2          - 40139.7487     -      -    0s
*   37     5              19    40195.186168 40195.1861  0.00%  18.9    0s

Explored 38 nodes (1054 simplex iterations) in 0.34 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.019518616787e+04, best bound 4.019518608282e+04, gap 0.0000%