Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:55:32 2012

Optimize a model with 3318 rows, 116 columns and 6636 nonzeros
Presolve removed 2332 rows and 0 columns
Presolve time: 0.10s
Presolved: 986 rows, 116 columns, 6660 nonzeros
Variable types: 0 continuous, 116 integer (116 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.562065e+01, 479 iterations, 0.02 seconds

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

     0     0   15.62065    0  114    8.00000   15.62065  95.3%     -    0s
     0     0   15.24875    0  116    8.00000   15.24875  90.6%     -    0s
H    0     0                       9.0000000   15.24875  69.4%     -    0s
     0     0   15.19987    0  116    9.00000   15.19987  68.9%     -    0s
     0     0   15.18676    0  116    9.00000   15.18676  68.7%     -    0s
     0     0   15.18047    0  116    9.00000   15.18047  68.7%     -    0s
     0     0   15.17600    0  116    9.00000   15.17600  68.6%     -    0s
     0     0   15.17038    0  116    9.00000   15.17038  68.6%     -    1s
     0     0   15.16991    0  116    9.00000   15.16991  68.6%     -    1s
     0     2   15.16909    0  116    9.00000   15.16909  68.5%     -    1s

Cutting planes:
  Clique: 89
  Zero half: 1

Explored 551 nodes (29374 simplex iterations) in 3.47 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%