Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:39 2012

Optimize a model with 1072 rows, 65 columns and 2144 nonzeros
Presolve removed 756 rows and 0 columns
Presolve time: 0.02s
Presolved: 316 rows, 65 columns, 1921 nonzeros
Variable types: 0 continuous, 65 integer (65 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.046698e+01, 153 iterations, 0.00 seconds

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

     0     0   10.46698    0   56    6.00000   10.46698  74.4%     -    0s
H    0     0                       7.0000000   10.46698  49.5%     -    0s
H    0     0                       8.0000000   10.46698  30.8%     -    0s
     0     0   10.14961    0   59    8.00000   10.14961  26.9%     -    0s
     0     0   10.07070    0   60    8.00000   10.07070  25.9%     -    0s
     0     0   10.04212    0   60    8.00000   10.04212  25.5%     -    0s
     0     0   10.02070    0   62    8.00000   10.02070  25.3%     -    0s
     0     0    9.99339    0   60    8.00000    9.99339  24.9%     -    0s
     0     0    9.96911    0   62    8.00000    9.96911  24.6%     -    0s
     0     0    9.95353    0   60    8.00000    9.95353  24.4%     -    0s
     0     0    9.94717    0   62    8.00000    9.94717  24.3%     -    0s
     0     0    9.94710    0   63    8.00000    9.94710  24.3%     -    0s
     0     0    9.94701    0   63    8.00000    9.94701  24.3%     -    0s
     0     2    9.94592    0   63    8.00000    9.94592  24.3%     -    0s

Cutting planes:
  Clique: 33
  Zero half: 4

Explored 16 nodes (995 simplex iterations) in 0.23 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%