Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:51:32 2012

Optimize a model with 2901 rows, 109 columns and 5802 nonzeros
Presolve removed 2052 rows and 0 columns
Presolve time: 0.08s
Presolved: 849 rows, 109 columns, 5637 nonzeros
Variable types: 0 continuous, 109 integer (109 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.535393e+01, 431 iterations, 0.02 seconds

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

     0     0   15.35393    0  106    8.00000   15.35393  91.9%     -    0s
     0     0   14.84519    0  108    8.00000   14.84519  85.6%     -    0s
     0     0   14.76368    0  109    8.00000   14.76368  84.5%     -    0s
     0     0   14.73813    0  109    8.00000   14.73813  84.2%     -    0s
     0     0   14.71232    0  109    8.00000   14.71232  83.9%     -    0s
H    0     0                       9.0000000   14.71232  63.5%     -    0s
     0     0   14.70916    0  109    9.00000   14.70916  63.4%     -    0s
     0     0   14.70623    0  109    9.00000   14.70623  63.4%     -    0s
     0     0   14.70214    0  109    9.00000   14.70214  63.4%     -    1s
     0     0   14.70071    0  109    9.00000   14.70071  63.3%     -    1s
     0     0   14.69579    0  109    9.00000   14.69579  63.3%     -    1s
     0     0   14.68618    0  109    9.00000   14.68618  63.2%     -    1s
     0     0   14.68508    0  109    9.00000   14.68508  63.2%     -    1s
     0     0   14.68504    0  109    9.00000   14.68504  63.2%     -    1s
     0     0   14.68501    0  109    9.00000   14.68501  63.2%     -    2s
     0     2   14.68461    0  109    9.00000   14.68461  63.2%     -    2s

Cutting planes:
  Clique: 85
  Zero half: 1

Explored 426 nodes (22072 simplex iterations) in 3.44 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%