Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:25 2013

Optimize a model with 8729 rows, 8439 columns and 33669 nonzeros
Presolve removed 1608 rows and 0 columns
Presolve time: 0.04s
Presolved: 7121 rows, 8439 columns, 30453 nonzeros
Variable types: 8410 continuous, 29 integer (29 binary)

Root relaxation: objective 3.162259e+04, 979 iterations, 0.04 seconds

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

     0     0 31622.5932    0    1          - 31622.5932     -      -    0s
H    0     0                    31629.000000 31622.5932  0.02%     -    0s

Explored 0 nodes (979 simplex iterations) in 0.14 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.162900000000e+04, best bound 3.162900000000e+04, gap 0.0%