Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:44:18 2012

Optimize a model with 1448 rows, 76 columns and 2896 nonzeros
Presolve removed 1016 rows and 0 columns
Presolve time: 0.03s
Presolved: 432 rows, 76 columns, 2782 nonzeros
Variable types: 0 continuous, 76 integer (76 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.216807e+01, 333 iterations, 0.01 seconds

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

     0     0   12.16807    0   63    7.00000   12.16807  73.8%     -    0s
H    0     0                       8.0000000   12.16807  52.1%     -    0s
     0     0   11.56158    0   74    8.00000   11.56158  44.5%     -    0s
     0     0   11.47807    0   76    8.00000   11.47807  43.5%     -    0s
     0     0   11.44335    0   76    8.00000   11.44335  43.0%     -    0s
     0     0   11.40908    0   74    8.00000   11.40908  42.6%     -    0s
H    0     0                       9.0000000   11.40908  26.8%     -    0s
     0     0   11.39395    0   75    9.00000   11.39395  26.6%     -    0s
     0     0   11.36374    0   76    9.00000   11.36374  26.3%     -    0s
     0     0   11.36207    0   75    9.00000   11.36207  26.2%     -    0s
     0     2   11.36203    0   75    9.00000   11.36203  26.2%     -    0s

Cutting planes:
  Clique: 42
  Zero half: 1

Explored 23 nodes (1677 simplex iterations) in 0.37 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%