Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:12 2013

Optimize a model with 11934 rows, 11594 columns and 46274 nonzeros
Presolve removed 1330 rows and 0 columns
Presolve time: 0.07s
Presolved: 10604 rows, 11594 columns, 43614 nonzeros
Variable types: 11560 continuous, 34 integer (34 binary)

Root relaxation: objective 4.708700e+04, 2747 iterations, 0.14 seconds

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

*    0     0               0    47087.000000 47087.0000   0.0%     -    0s

Explored 0 nodes (2747 simplex iterations) in 0.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.708700000000e+04, best bound 4.708700000000e+04, gap 0.0%