Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:22 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 2.613264e+04, 1195 iterations, 0.09 seconds

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

     0     0 26132.6441    0   23          - 26132.6441     -      -    0s
H    0     0                    29423.000000 26132.6441  11.2%     -    0s
*    0     0               0    28781.000000 28781.0000   0.0%     -    0s

Cutting planes:
  Gomory: 20
  Implied bound: 22

Explored 0 nodes (1620 simplex iterations) in 0.37 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.878100000000e+04, best bound 2.878100000000e+04, gap 0.0%