Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:44:14 2012

Optimize a model with 1413 rows, 76 columns and 2826 nonzeros
Presolve removed 1004 rows and 0 columns
Presolve time: 0.03s
Presolved: 409 rows, 76 columns, 2603 nonzeros
Variable types: 0 continuous, 76 integer (76 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.178452e+01, 247 iterations, 0.01 seconds

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

     0     0   11.78452    0   69    8.00000   11.78452  47.3%     -    0s
     0     0   11.49200    0   72    8.00000   11.49200  43.6%     -    0s
     0     0   11.40145    0   75    8.00000   11.40145  42.5%     -    0s
     0     0   11.33999    0   74    8.00000   11.33999  41.7%     -    0s
     0     0   11.32872    0   72    8.00000   11.32872  41.6%     -    0s
     0     0   11.31622    0   74    8.00000   11.31622  41.5%     -    0s
     0     0   11.31437    0   75    8.00000   11.31437  41.4%     -    0s
     0     0   11.31385    0   75    8.00000   11.31385  41.4%     -    0s
     0     2   11.30867    0   75    8.00000   11.30867  41.4%     -    0s
*   33    11               5       9.0000000   11.01843  22.4%  47.1    0s

Cutting planes:
  Clique: 44
  Zero half: 5

Explored 45 nodes (2302 simplex iterations) in 0.35 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%