Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:51:45 2012

Optimize a model with 2939 rows, 109 columns and 5878 nonzeros
Presolve removed 2099 rows and 0 columns
Presolve time: 0.09s
Presolved: 840 rows, 109 columns, 5627 nonzeros
Variable types: 0 continuous, 109 integer (109 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.535274e+01, 520 iterations, 0.02 seconds

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

     0     0   15.35274    0  103    8.00000   15.35274  91.9%     -    0s
H    0     0                       9.0000000   15.35274  70.6%     -    0s
     0     0   14.88033    0  109    9.00000   14.88033  65.3%     -    0s
     0     0   14.83317    0  107    9.00000   14.83317  64.8%     -    0s
     0     0   14.80912    0  109    9.00000   14.80912  64.5%     -    0s
     0     0   14.74314    0  108    9.00000   14.74314  63.8%     -    0s
     0     0   14.71859    0  108    9.00000   14.71859  63.5%     -    0s
     0     0   14.71737    0  108    9.00000   14.71737  63.5%     -    1s
     0     0   14.71675    0  108    9.00000   14.71675  63.5%     -    1s
     0     0   14.71212    0  108    9.00000   14.71212  63.5%     -    1s
     0     0   14.69752    0  108    9.00000   14.69752  63.3%     -    1s
     0     0   14.69108    0  108    9.00000   14.69108  63.2%     -    1s
     0     0   14.69090    0  108    9.00000   14.69090  63.2%     -    1s
     0     0   14.69088    0  108    9.00000   14.69088  63.2%     -    2s
     0     0   14.69049    0  108    9.00000   14.69049  63.2%     -    2s
     0     2   14.68962    0  108    9.00000   14.68962  63.2%     -    2s

Cutting planes:
  Clique: 89
  Zero half: 1

Explored 397 nodes (21439 simplex iterations) in 3.53 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%