Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:18:04 2013

Optimize a model with 280 rows, 8060 columns and 20080 nonzeros
Presolve removed 20 rows and 20 columns
Presolve time: 0.01s
Presolved: 260 rows, 8040 columns, 16060 nonzeros
Variable types: 8040 continuous, 0 integer (0 binary)

Root relaxation: objective 4.642213e+04, 419 iterations, 0.01 seconds

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

     0     0 46422.1265    0    3          - 46422.1265     -      -    0s
     0     2 46422.1265    0    3          - 46422.1265     -      -    0s
*   21     5              11    46743.813864 46743.8058  0.00%  17.4    0s

Explored 22 nodes (785 simplex iterations) in 0.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.674381386351e+04, best bound 4.674380583461e+04, gap 0.0000%