Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:47:23 2012

Optimize a model with 2329 rows, 97 columns and 4658 nonzeros
Presolve removed 1667 rows and 0 columns
Presolve time: 0.07s
Presolved: 662 rows, 97 columns, 4461 nonzeros
Variable types: 0 continuous, 97 integer (97 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.387068e+01, 331 iterations, 0.01 seconds

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

     0     0   13.87068    0   93    8.00000   13.87068  73.4%     -    0s
     0     0   13.58766    0   94    8.00000   13.58766  69.8%     -    0s
     0     0   13.51319    0   94    8.00000   13.51319  68.9%     -    0s
     0     0   13.50554    0   95    8.00000   13.50554  68.8%     -    0s
     0     0   13.48952    0   95    8.00000   13.48952  68.6%     -    0s
     0     0   13.48526    0   96    8.00000   13.48526  68.6%     -    0s
     0     0   13.48507    0   96    8.00000   13.48507  68.6%     -    0s
     0     2   13.47970    0   96    8.00000   13.47970  68.5%     -    0s
*  107    48               8       9.0000000   12.77339  41.9%  55.5    1s

Cutting planes:
  Clique: 44
  Zero half: 3

Explored 184 nodes (10152 simplex iterations) in 1.36 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%