Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:36 2012

Optimize a model with 1005 rows, 64 columns and 2010 nonzeros
Presolve removed 704 rows and 0 columns
Presolve time: 0.02s
Presolved: 301 rows, 64 columns, 1768 nonzeros
Variable types: 0 continuous, 64 integer (64 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.084725e+01, 215 iterations, 0.01 seconds

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

     0     0   10.84725    0   57    6.00000   10.84725  80.8%     -    0s
H    0     0                       7.0000000   10.84725  55.0%     -    0s
     0     0   10.57383    0   59    7.00000   10.57383  51.1%     -    0s
H    0     0                       8.0000000   10.57383  32.2%     -    0s
     0     0   10.43613    0   63    8.00000   10.43613  30.5%     -    0s
     0     0   10.41351    0   63    8.00000   10.41351  30.2%     -    0s
     0     0   10.40874    0   63    8.00000   10.40874  30.1%     -    0s
     0     0   10.40381    0   63    8.00000   10.40381  30.0%     -    0s
     0     0   10.40323    0   63    8.00000   10.40323  30.0%     -    0s
     0     0   10.40319    0   63    8.00000   10.40319  30.0%     -    0s
     0     2   10.40260    0   63    8.00000   10.40260  30.0%     -    0s

Cutting planes:
  Clique: 34
  Zero half: 6

Explored 25 nodes (1255 simplex iterations) in 0.21 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%