Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:47:49 2012

Optimize a model with 2429 rows, 98 columns and 4858 nonzeros
Presolve removed 1727 rows and 0 columns
Presolve time: 0.07s
Presolved: 702 rows, 98 columns, 4927 nonzeros
Variable types: 0 continuous, 98 integer (98 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.364346e+01, 319 iterations, 0.01 seconds

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

     0     0   13.64346    0   92    6.00000   13.64346   127%     -    0s
H    0     0                       7.0000000   13.64346  94.9%     -    0s
H    0     0                       8.0000000   13.64346  70.5%     -    0s
     0     0   13.30200    0   96    8.00000   13.30200  66.3%     -    0s
     0     0   13.15982    0   97    8.00000   13.15982  64.5%     -    0s
     0     0   13.08008    0   97    8.00000   13.08008  63.5%     -    0s
     0     0   13.06427    0   97    8.00000   13.06427  63.3%     -    0s
     0     0   13.05872    0   97    8.00000   13.05872  63.2%     -    0s
     0     0   13.05690    0   98    8.00000   13.05690  63.2%     -    0s
     0     0   13.05683    0   98    8.00000   13.05683  63.2%     -    0s
     0     0   13.05273    0   98    8.00000   13.05273  63.2%     -    0s
     0     0   13.05016    0   98    8.00000   13.05016  63.1%     -    1s
     0     0   13.05013    0   98    8.00000   13.05013  63.1%     -    1s
     0     0   13.05005    0   98    8.00000   13.05005  63.1%     -    1s
     0     2   13.04910    0   98    8.00000   13.04910  63.1%     -    1s
*   57    29               4       9.0000000   12.75250  41.7%  62.3    1s

Cutting planes:
  Clique: 50
  Zero half: 1

Explored 119 nodes (8001 simplex iterations) in 2.05 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%