Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:45:40 2012

Optimize a model with 1896 rows, 88 columns and 3792 nonzeros
Presolve removed 1330 rows and 0 columns
Presolve time: 0.05s
Presolved: 566 rows, 88 columns, 3652 nonzeros
Variable types: 0 continuous, 88 integer (88 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.314541e+01, 305 iterations, 0.01 seconds

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

     0     0   13.14541    0   83    6.00000   13.14541   119%     -    0s
H    0     0                       7.0000000   13.14541  87.8%     -    0s
     0     0   12.92387    0   85    7.00000   12.92387  84.6%     -    0s
H    0     0                       8.0000000   12.92387  61.5%     -    0s
H    0     0                       9.0000000   12.92387  43.6%     -    0s
     0     0   12.82254    0   87    9.00000   12.82254  42.5%     -    0s
     0     0   12.81441    0   87    9.00000   12.81441  42.4%     -    0s
     0     0   12.80515    0   85    9.00000   12.80515  42.3%     -    0s
     0     0   12.80084    0   87    9.00000   12.80084  42.2%     -    0s
     0     0   12.79550    0   86    9.00000   12.79550  42.2%     -    0s
     0     0   12.79378    0   86    9.00000   12.79378  42.2%     -    0s
     0     0   12.79356    0   86    9.00000   12.79356  42.2%     -    0s
     0     2   12.78880    0   86    9.00000   12.78880  42.1%     -    0s

Cutting planes:
  Clique: 45
  Zero half: 7

Explored 70 nodes (4814 simplex iterations) in 0.73 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%