Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:45 2012

Optimize a model with 1097 rows, 67 columns and 2194 nonzeros
Presolve removed 771 rows and 0 columns
Presolve time: 0.02s
Presolved: 326 rows, 67 columns, 1969 nonzeros
Variable types: 0 continuous, 67 integer (67 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.100268e+01, 158 iterations, 0.00 seconds

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

     0     0   11.00268    0   60    7.00000   11.00268  57.2%     -    0s
H    0     0                       8.0000000   11.00268  37.5%     -    0s
     0     0   10.55397    0   65    8.00000   10.55397  31.9%     -    0s
     0     0   10.45154    0   65    8.00000   10.45154  30.6%     -    0s
     0     0   10.42815    0   66    8.00000   10.42815  30.4%     -    0s
     0     0   10.40779    0   66    8.00000   10.40779  30.1%     -    0s
     0     0   10.39252    0   66    8.00000   10.39252  29.9%     -    0s
     0     0   10.39074    0   66    8.00000   10.39074  29.9%     -    0s
     0     0   10.39066    0   66    8.00000   10.39066  29.9%     -    0s
     0     2   10.38958    0   66    8.00000   10.38958  29.9%     -    0s

Cutting planes:
  Clique: 27
  Zero half: 5

Explored 27 nodes (1432 simplex iterations) in 0.22 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%