Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:27 2012

Optimize a model with 833 rows, 59 columns and 1666 nonzeros
Presolve removed 572 rows and 0 columns
Presolve time: 0.01s
Presolved: 261 rows, 59 columns, 1480 nonzeros
Variable types: 0 continuous, 59 integer (59 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.080844e+01, 160 iterations, 0.00 seconds

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

     0     0   10.80844    0   54    8.00000   10.80844  35.1%     -    0s
     0     0   10.31394    0   58    8.00000   10.31394  28.9%     -    0s
     0     0   10.25826    0   59    8.00000   10.25826  28.2%     -    0s
     0     0   10.23982    0   58    8.00000   10.23982  28.0%     -    0s
     0     0   10.23256    0   59    8.00000   10.23256  27.9%     -    0s
     0     0   10.22833    0   59    8.00000   10.22833  27.9%     -    0s
     0     2   10.22198    0   59    8.00000   10.22198  27.8%     -    0s

Cutting planes:
  Clique: 26
  Zero half: 8

Explored 16 nodes (966 simplex iterations) in 0.11 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%