Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:19:35 2013

Optimize a model with 1350 rows, 400 columns and 4200 nonzeros
Presolve removed 605 rows and 230 columns
Presolve time: 0.01s
Presolved: 745 rows, 170 columns, 2335 nonzeros
Variable types: 6 continuous, 164 integer (164 binary)
Found heuristic solution: objective 10103.000000

Root relaxation: objective 8.977258e+03, 9 iterations, 0.00 seconds

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

     0     0 8977.25806    0    4 10103.0000 8977.25806  11.1%     -    0s
     0     0 8981.60625    0    6 10103.0000 8981.60625  11.1%     -    0s
H    0     0                    8997.0000000 8981.60625  0.17%     -    0s
H    0     0                    8985.0000000 8981.60625  0.04%     -    0s
H    0     0                    8984.0000000 8981.60625  0.03%     -    0s
     0     0     cutoff    0      8984.00000 8983.00899  0.01%     -    0s

Cutting planes:
  MIR: 4

Explored 0 nodes (19 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.984000000000e+03, best bound 8.984000000000e+03, gap 0.0%