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

Optimize a model with 8176 rows, 7896 columns and 31416 nonzeros
Presolve removed 28 rows and 0 columns
Presolve time: 0.04s
Presolved: 8148 rows, 7896 columns, 31388 nonzeros
Variable types: 7868 continuous, 28 integer (28 binary)

Root relaxation: objective 2.919421e+04, 1462 iterations, 0.19 seconds

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

     0     0 29194.2125    0   25          - 29194.2125     -      -    0s
H    0     0                    32352.000000 29194.2125  9.76%     -    0s
*    0     0               0    31849.000000 31849.0000   0.0%     -    0s

Cutting planes:
  Gomory: 18
  Implied bound: 24

Explored 0 nodes (1881 simplex iterations) in 0.51 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.184900000000e+04, best bound 3.184900000000e+04, gap 0.0%