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

Optimize a model with 1149 rows, 69 columns and 2298 nonzeros
Presolve removed 815 rows and 0 columns
Presolve time: 0.02s
Presolved: 334 rows, 69 columns, 2048 nonzeros
Variable types: 0 continuous, 69 integer (69 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.106804e+01, 171 iterations, 0.01 seconds

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

     0     0   11.06804    0   67    7.00000   11.06804  58.1%     -    0s
H    0     0                       8.0000000   11.06804  38.4%     -    0s
     0     0   10.85193    0   64    8.00000   10.85193  35.6%     -    0s
     0     0   10.76274    0   67    8.00000   10.76274  34.5%     -    0s
     0     0   10.70619    0   68    8.00000   10.70619  33.8%     -    0s
     0     0   10.69710    0   68    8.00000   10.69710  33.7%     -    0s
     0     0   10.69000    0   67    8.00000   10.69000  33.6%     -    0s
     0     0   10.68335    0   67    8.00000   10.68335  33.5%     -    0s
     0     0   10.67246    0   67    8.00000   10.67246  33.4%     -    0s
     0     0   10.66939    0   68    8.00000   10.66939  33.4%     -    0s
     0     0   10.66776    0   68    8.00000   10.66776  33.3%     -    0s
     0     0   10.66768    0   68    8.00000   10.66768  33.3%     -    0s
     0     2   10.66372    0   68    8.00000   10.66372  33.3%     -    0s

Cutting planes:
  Clique: 36
  Zero half: 4

Explored 32 nodes (1962 simplex iterations) in 0.33 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%