Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:44:09 2012

Optimize a model with 1347 rows, 74 columns and 2694 nonzeros
Presolve removed 943 rows and 0 columns
Presolve time: 0.03s
Presolved: 404 rows, 74 columns, 2519 nonzeros
Variable types: 0 continuous, 74 integer (74 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.149934e+01, 252 iterations, 0.01 seconds

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

     0     0   11.49934    0   68    7.00000   11.49934  64.3%     -    0s
H    0     0                       8.0000000   11.49934  43.7%     -    0s
     0     0   11.19335    0   73    8.00000   11.19335  39.9%     -    0s
     0     0   11.13208    0   71    8.00000   11.13208  39.2%     -    0s
     0     0   11.10927    0   73    8.00000   11.10927  38.9%     -    0s
     0     0   11.08824    0   72    8.00000   11.08824  38.6%     -    0s
     0     0   11.05901    0   70    8.00000   11.05901  38.2%     -    0s
     0     0   11.05269    0   72    8.00000   11.05269  38.2%     -    0s
     0     0   11.03764    0   71    8.00000   11.03764  38.0%     -    0s
     0     0   11.02729    0   73    8.00000   11.02729  37.8%     -    0s
H    0     0                       9.0000000   11.02729  22.5%     -    0s
     0     0   11.00976    0   73    9.00000   11.00976  22.3%     -    0s
     0     0   11.00149    0   73    9.00000   11.00149  22.2%     -    0s
     0     0   11.00094    0   74    9.00000   11.00094  22.2%     -    0s
     0     0   11.00088    0   74    9.00000   11.00088  22.2%     -    0s
     0     2   11.00063    0   74    9.00000   11.00063  22.2%     -    0s

Cutting planes:
  Gomory: 2
  Clique: 30
  Zero half: 2

Explored 15 nodes (1351 simplex iterations) in 0.42 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%