Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:52 2012

Optimize a model with 1175 rows, 70 columns and 2350 nonzeros
Presolve removed 810 rows and 0 columns
Presolve time: 0.02s
Presolved: 365 rows, 70 columns, 2124 nonzeros
Variable types: 0 continuous, 70 integer (70 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.159245e+01, 212 iterations, 0.00 seconds

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

     0     0   11.59245    0   64    8.00000   11.59245  44.9%     -    0s
H    0     0                       9.0000000   11.59245  28.8%     -    0s
     0     0   11.33536    0   67    9.00000   11.33536  25.9%     -    0s
     0     0   11.26836    0   67    9.00000   11.26836  25.2%     -    0s
     0     0   11.24231    0   68    9.00000   11.24231  24.9%     -    0s
     0     0   11.23182    0   69    9.00000   11.23182  24.8%     -    0s
     0     0   11.22739    0   68    9.00000   11.22739  24.7%     -    0s
     0     0   11.22706    0   68    9.00000   11.22706  24.7%     -    0s
     0     2   11.22550    0   68    9.00000   11.22550  24.7%     -    0s

Cutting planes:
  Gomory: 2
  Clique: 22
  Zero half: 11

Explored 21 nodes (1463 simplex iterations) in 0.21 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%