Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:57:24 2012

Optimize a model with 3507 rows, 119 columns and 7014 nonzeros
Presolve removed 2446 rows and 0 columns
Presolve time: 0.11s
Presolved: 1061 rows, 119 columns, 7254 nonzeros
Variable types: 0 continuous, 119 integer (119 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.621620e+01, 463 iterations, 0.02 seconds

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

     0     0   16.21620    0  119    6.00000   16.21620   170%     -    0s
H    0     0                       8.0000000   16.21620   103%     -    0s
     0     0   15.87632    0  118    8.00000   15.87632  98.5%     -    0s
     0     0   15.83522    0  118    8.00000   15.83522  97.9%     -    0s
     0     0   15.81553    0  118    8.00000   15.81553  97.7%     -    0s
     0     0   15.81030    0  118    8.00000   15.81030  97.6%     -    0s
H    0     0                       9.0000000   15.81030  75.7%     -    0s
     0     0   15.78979    0  119    9.00000   15.78979  75.4%     -    1s
     0     0   15.77163    0  119    9.00000   15.77163  75.2%     -    1s
     0     0   15.76930    0  119    9.00000   15.76930  75.2%     -    1s
     0     0   15.76831    0  119    9.00000   15.76831  75.2%     -    1s
     0     2   15.76027    0  119    9.00000   15.76027  75.1%     -    2s

Cutting planes:
  Clique: 75

Explored 648 nodes (37473 simplex iterations) in 4.46 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%