Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:51:43 2012

Optimize a model with 3000 rows, 109 columns and 6000 nonzeros
Presolve removed 2166 rows and 0 columns
Presolve time: 0.09s
Presolved: 834 rows, 109 columns, 5724 nonzeros
Variable types: 0 continuous, 109 integer (109 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.509655e+01, 450 iterations, 0.02 seconds

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

     0     0   15.09655    0  104    7.00000   15.09655   116%     -    0s
H    0     0                       8.0000000   15.09655  88.7%     -    0s
     0     0   14.66746    0  107    8.00000   14.66746  83.3%     -    0s
     0     0   14.59721    0  105    8.00000   14.59721  82.5%     -    0s
     0     0   14.55254    0  106    8.00000   14.55254  81.9%     -    0s
     0     0   14.54066    0  107    8.00000   14.54066  81.8%     -    0s
     0     0   14.53858    0  107    8.00000   14.53858  81.7%     -    0s
     0     0   14.53786    0  107    8.00000   14.53786  81.7%     -    0s
     0     2   14.53503    0  107    8.00000   14.53503  81.7%     -    1s
*  178    73              11       9.0000000   13.19889  46.7%  57.9    1s

Cutting planes:
  Clique: 85
  Zero half: 2

Explored 365 nodes (20139 simplex iterations) in 2.30 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%