Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:52:51 2012

Optimize a model with 3022 rows, 111 columns and 6044 nonzeros
Presolve removed 2154 rows and 0 columns
Presolve time: 0.09s
Presolved: 868 rows, 111 columns, 5842 nonzeros
Variable types: 0 continuous, 111 integer (111 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.531672e+01, 425 iterations, 0.02 seconds

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

     0     0   15.31672    0  107    8.00000   15.31672  91.5%     -    0s
     0     0   14.96402    0  109    8.00000   14.96402  87.1%     -    0s
     0     0   14.86535    0  110    8.00000   14.86535  85.8%     -    0s
     0     0   14.80937    0  109    8.00000   14.80937  85.1%     -    0s
     0     0   14.77922    0  110    8.00000   14.77922  84.7%     -    0s
H    0     0                       9.0000000   14.77922  64.2%     -    0s
     0     0   14.77179    0  110    9.00000   14.77179  64.1%     -    0s
     0     0   14.76627    0  110    9.00000   14.76627  64.1%     -    0s
     0     0   14.76511    0  110    9.00000   14.76511  64.1%     -    1s
     0     0   14.76508    0  110    9.00000   14.76508  64.1%     -    1s
     0     0   14.76506    0  110    9.00000   14.76506  64.1%     -    1s
     0     0   14.76506    0  110    9.00000   14.76506  64.1%     -    1s
     0     2   14.76471    0  110    9.00000   14.76471  64.1%     -    1s

Cutting planes:
  Clique: 84
  Zero half: 1

Explored 388 nodes (23085 simplex iterations) in 3.15 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%