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

Optimize a model with 2884 rows, 108 columns and 5768 nonzeros
Presolve removed 2053 rows and 0 columns
Presolve time: 0.10s
Presolved: 831 rows, 108 columns, 5766 nonzeros
Variable types: 0 continuous, 108 integer (108 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.495483e+01, 481 iterations, 0.02 seconds

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

     0     0   14.95483    0  107    7.00000   14.95483   114%     -    0s
H    0     0                       8.0000000   14.95483  86.9%     -    0s
     0     0   14.65317    0  107    8.00000   14.65317  83.2%     -    0s
     0     0   14.59928    0  106    8.00000   14.59928  82.5%     -    0s
     0     0   14.58871    0  107    8.00000   14.58871  82.4%     -    0s
     0     0   14.58050    0  107    8.00000   14.58050  82.3%     -    0s
     0     0   14.57991    0  107    8.00000   14.57991  82.2%     -    0s
     0     0   14.56609    0  106    8.00000   14.56609  82.1%     -    0s
     0     0   14.56107    0  107    8.00000   14.56107  82.0%     -    1s
     0     0   14.55970    0  106    8.00000   14.55970  82.0%     -    1s
H    0     0                       9.0000000   14.55970  61.8%     -    1s
     0     0   14.55828    0  107    9.00000   14.55828  61.8%     -    1s
     0     0   14.55698    0  107    9.00000   14.55698  61.7%     -    1s
     0     2   14.55690    0  107    9.00000   14.55690  61.7%     -    1s

Cutting planes:
  Clique: 56
  Zero half: 5

Explored 340 nodes (18968 simplex iterations) in 2.75 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%