Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:44:13 2012

Optimize a model with 1412 rows, 75 columns and 2824 nonzeros
Presolve removed 977 rows and 0 columns
Presolve time: 0.03s
Presolved: 435 rows, 75 columns, 2774 nonzeros
Variable types: 0 continuous, 75 integer (75 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.187682e+01, 314 iterations, 0.01 seconds

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

     0     0   11.87682    0   69    7.00000   11.87682  69.7%     -    0s
H    0     0                       8.0000000   11.87682  48.5%     -    0s
     0     0   11.52377    0   72    8.00000   11.52377  44.0%     -    0s
     0     0   11.33670    0   74    8.00000   11.33670  41.7%     -    0s
     0     0   11.30919    0   74    8.00000   11.30919  41.4%     -    0s
     0     0   11.29855    0   75    8.00000   11.29855  41.2%     -    0s
     0     0   11.29832    0   75    8.00000   11.29832  41.2%     -    0s
     0     0   11.29786    0   75    8.00000   11.29786  41.2%     -    0s
     0     2   11.29700    0   75    8.00000   11.29700  41.2%     -    0s
*   32     7               3       9.0000000   11.01361  22.4%  42.8    0s

Cutting planes:
  Clique: 38
  Zero half: 6

Explored 40 nodes (2236 simplex iterations) in 0.33 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%