Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:48:43 2012

Optimize a model with 2491 rows, 101 columns and 4982 nonzeros
Presolve removed 1750 rows and 0 columns
Presolve time: 0.08s
Presolved: 741 rows, 101 columns, 4968 nonzeros
Variable types: 0 continuous, 101 integer (101 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.442528e+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   14.42528    0   98    6.00000   14.42528   140%     -    0s
H    0     0                       8.0000000   14.42528  80.3%     -    0s
     0     0   14.06738    0   99    8.00000   14.06738  75.8%     -    0s
     0     0   13.98787    0  100    8.00000   13.98787  74.8%     -    0s
     0     0   13.94067    0  100    8.00000   13.94067  74.3%     -    0s
H    0     0                       9.0000000   13.94067  54.9%     -    0s
     0     0   13.90253    0   99    9.00000   13.90253  54.5%     -    0s
     0     0   13.89868    0   99    9.00000   13.89868  54.4%     -    0s
     0     0   13.89757    0   99    9.00000   13.89757  54.4%     -    0s
     0     0   13.89125    0   99    9.00000   13.89125  54.3%     -    0s
     0     0   13.88686    0  100    9.00000   13.88686  54.3%     -    0s
     0     0   13.88624    0  100    9.00000   13.88624  54.3%     -    1s
     0     0   13.88615    0  100    9.00000   13.88615  54.3%     -    1s
     0     0   13.88605    0  100    9.00000   13.88605  54.3%     -    1s
     0     2   13.88485    0  100    9.00000   13.88485  54.3%     -    1s

Cutting planes:
  Clique: 76
  Zero half: 1

Explored 183 nodes (11687 simplex iterations) in 2.02 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%