Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:47:31 2012

Optimize a model with 2312 rows, 97 columns and 4624 nonzeros
Presolve removed 1645 rows and 0 columns
Presolve time: 0.07s
Presolved: 667 rows, 97 columns, 4482 nonzeros
Variable types: 0 continuous, 97 integer (97 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.398475e+01, 368 iterations, 0.01 seconds

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

     0     0   13.98475    0   92    8.00000   13.98475  74.8%     -    0s
H    0     0                       9.0000000   13.98475  55.4%     -    0s
     0     0   13.64259    0   95    9.00000   13.64259  51.6%     -    0s
     0     0   13.57499    0   97    9.00000   13.57499  50.8%     -    0s
     0     0   13.55283    0   97    9.00000   13.55283  50.6%     -    0s
     0     0   13.53768    0   97    9.00000   13.53768  50.4%     -    0s
     0     0   13.52911    0   97    9.00000   13.52911  50.3%     -    0s
     0     0   13.52791    0   97    9.00000   13.52791  50.3%     -    0s
     0     0   13.52788    0   97    9.00000   13.52788  50.3%     -    0s
     0     2   13.52245    0   97    9.00000   13.52245  50.2%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 50
  Zero half: 7

Explored 142 nodes (8647 simplex iterations) in 1.19 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%