Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:50 2012

Optimize a model with 1188 rows, 69 columns and 2376 nonzeros
Presolve removed 834 rows and 0 columns
Presolve time: 0.02s
Presolved: 354 rows, 69 columns, 2166 nonzeros
Variable types: 0 continuous, 69 integer (69 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.093243e+01, 279 iterations, 0.01 seconds

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

     0     0   10.93243    0   67    5.00000   10.93243   119%     -    0s
H    0     0                       6.0000000   10.93243  82.2%     -    0s
     0     0   10.75222    0   66    6.00000   10.75222  79.2%     -    0s
H    0     0                       8.0000000   10.75222  34.4%     -    0s
     0     0   10.61149    0   67    8.00000   10.61149  32.6%     -    0s
     0     0   10.52404    0   69    8.00000   10.52404  31.6%     -    0s
     0     0   10.50753    0   69    8.00000   10.50753  31.3%     -    0s
     0     0   10.50222    0   69    8.00000   10.50222  31.3%     -    0s
     0     0   10.45564    0   68    8.00000   10.45564  30.7%     -    0s
     0     0   10.44718    0   68    8.00000   10.44718  30.6%     -    0s
     0     0   10.42173    0   69    8.00000   10.42173  30.3%     -    0s
     0     0   10.41836    0   68    8.00000   10.41836  30.2%     -    0s
     0     0   10.41391    0   68    8.00000   10.41391  30.2%     -    0s
     0     0   10.41353    0   68    8.00000   10.41353  30.2%     -    0s
     0     2   10.41253    0   68    8.00000   10.41253  30.2%     -    0s

Cutting planes:
  Clique: 32
  Zero half: 5

Explored 25 nodes (1720 simplex iterations) in 0.34 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%