Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:35 2013

Optimize a model with 8758 rows, 8468 columns and 33698 nonzeros
Presolve removed 29 rows and 0 columns
Presolve time: 0.04s
Presolved: 8729 rows, 8468 columns, 33669 nonzeros
Variable types: 8439 continuous, 29 integer (29 binary)

Root relaxation: objective 2.979107e+04, 1504 iterations, 0.12 seconds

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

     0     0 29791.0682    0   24          - 29791.0682     -      -    0s
H    0     0                    32126.000000 29791.0682  7.27%     -    0s
     0     0 31622.5932    0    1 32126.0000 31622.5932  1.57%     -    0s
H    0     0                    31663.881356 31622.5932  0.13%     -    0s
H    0     0                    31641.000000 31622.5932  0.06%     -    0s
*    0     0               0    31629.000000 31629.0000   0.0%     -    0s

Cutting planes:
  Implied bound: 19

Explored 0 nodes (1863 simplex iterations) in 0.42 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%