Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:53:12 2012

Optimize a model with 3181 rows, 112 columns and 6362 nonzeros
Presolve removed 2289 rows and 0 columns
Presolve time: 0.10s
Presolved: 892 rows, 112 columns, 6214 nonzeros
Variable types: 0 continuous, 112 integer (112 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.486277e+01, 435 iterations, 0.02 seconds

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

     0     0   14.86277    0  108    8.00000   14.86277  85.8%     -    0s
     0     0   14.63466    0  112    8.00000   14.63466  82.9%     -    0s
     0     0   14.50506    0  110    8.00000   14.50506  81.3%     -    0s
     0     0   14.47436    0  111    8.00000   14.47436  80.9%     -    0s
H    0     0                       9.0000000   14.47436  60.8%     -    0s
     0     0   14.47099    0  112    9.00000   14.47099  60.8%     -    0s
     0     0   14.45581    0  112    9.00000   14.45581  60.6%     -    0s
     0     0   14.45565    0  112    9.00000   14.45565  60.6%     -    1s
     0     2   14.45511    0  112    9.00000   14.45511  60.6%     -    1s

Cutting planes:
  Clique: 76
  Zero half: 1

Explored 288 nodes (19010 simplex iterations) in 2.56 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%