Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:56:00 2012

Optimize a model with 3385 rows, 117 columns and 6770 nonzeros
Presolve removed 2456 rows and 0 columns
Presolve time: 0.11s
Presolved: 929 rows, 117 columns, 6450 nonzeros
Variable types: 0 continuous, 117 integer (117 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.594837e+01, 477 iterations, 0.02 seconds

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

     0     0   15.94837    0  112    8.00000   15.94837  99.4%     -    0s
     0     0   15.40192    0  116    8.00000   15.40192  92.5%     -    0s
     0     0   15.27092    0  117    8.00000   15.27092  90.9%     -    0s
     0     0   15.25081    0  117    8.00000   15.25081  90.6%     -    0s
H    0     0                       9.0000000   15.25081  69.5%     -    0s
     0     0   15.19829    0  117    9.00000   15.19829  68.9%     -    0s
     0     0   15.18062    0  116    9.00000   15.18062  68.7%     -    0s
     0     0   15.12217    0  117    9.00000   15.12217  68.0%     -    0s
     0     0   15.11973    0  117    9.00000   15.11973  68.0%     -    1s
     0     0   15.11961    0  117    9.00000   15.11961  68.0%     -    1s
     0     0   15.11936    0  117    9.00000   15.11936  68.0%     -    1s
     0     2   15.11829    0  117    9.00000   15.11829  68.0%     -    1s

Cutting planes:
  Clique: 100

Explored 483 nodes (28792 simplex iterations) in 3.61 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%