Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:37 2012

Optimize a model with 1037 rows, 64 columns and 2074 nonzeros
Presolve removed 729 rows and 0 columns
Presolve time: 0.02s
Presolved: 308 rows, 64 columns, 1914 nonzeros
Variable types: 0 continuous, 64 integer (64 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.045597e+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   10.45597    0   55    7.00000   10.45597  49.4%     -    0s
     0     0   10.09910    0   59    7.00000   10.09910  44.3%     -    0s
     0     0   10.00498    0   56    7.00000   10.00498  42.9%     -    0s
H    0     0                       8.0000000   10.00498  25.1%     -    0s
     0     0    9.96906    0   59    8.00000    9.96906  24.6%     -    0s
     0     0    9.96550    0   59    8.00000    9.96550  24.6%     -    0s
     0     0    9.96497    0   59    8.00000    9.96497  24.6%     -    0s
     0     2    9.96151    0   59    8.00000    9.96151  24.5%     -    0s

Cutting planes:
  Clique: 18
  Zero half: 11

Explored 17 nodes (988 simplex iterations) in 0.15 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%