Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:55 2012

Optimize a model with 1214 rows, 71 columns and 2428 nonzeros
Presolve removed 855 rows and 0 columns
Presolve time: 0.03s
Presolved: 359 rows, 71 columns, 2145 nonzeros
Variable types: 0 continuous, 71 integer (71 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.157457e+01, 195 iterations, 0.00 seconds

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

     0     0   11.57457    0   67    6.00000   11.57457  92.9%     -    0s
H    0     0                       8.0000000   11.57457  44.7%     -    0s
     0     0   11.25712    0   69    8.00000   11.25712  40.7%     -    0s
H    0     0                       9.0000000   11.25712  25.1%     -    0s
     0     0   11.17613    0   69    9.00000   11.17613  24.2%     -    0s
     0     0   11.16193    0   68    9.00000   11.16193  24.0%     -    0s
     0     0   11.15992    0   68    9.00000   11.15992  24.0%     -    0s
     0     2   11.15907    0   68    9.00000   11.15907  24.0%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 14
  Zero half: 11

Explored 19 nodes (1239 simplex iterations) in 0.19 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%