Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:48:28 2013

Optimize a model with 280 rows, 24060 columns and 68080 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.05s
Presolved: 260 rows, 24040 columns, 48060 nonzeros
Variable types: 24040 continuous, 0 integer (0 binary)

Root relaxation: objective 3.709539e+04, 349 iterations, 0.02 seconds

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

     0     0 37095.3933    0    4          - 37095.3933     -      -    0s
     0     2 37095.3933    0    4          - 37095.3933     -      -    0s
*   16     8               8    37269.725700 37202.3565  0.18%  18.3    0s
*   29     9              15    37253.495259 37202.3565  0.14%  11.0    0s

Explored 33 nodes (669 simplex iterations) in 0.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.725349525870e+04, best bound 3.725270454517e+04, gap 0.0021%