Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:47:05 2012

Optimize a model with 2249 rows, 95 columns and 4498 nonzeros
Presolve removed 1639 rows and 0 columns
Presolve time: 0.06s
Presolved: 610 rows, 95 columns, 4058 nonzeros
Variable types: 0 continuous, 95 integer (95 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.367781e+01, 330 iterations, 0.01 seconds

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

     0     0   13.67781    0   88    6.00000   13.67781   128%     -    0s
H    0     0                       7.0000000   13.67781  95.4%     -    0s
H    0     0                       9.0000000   13.67781  52.0%     -    0s
     0     0   13.28520    0   94    9.00000   13.28520  47.6%     -    0s
     0     0   13.23390    0   93    9.00000   13.23390  47.0%     -    0s
     0     0   13.19190    0   91    9.00000   13.19190  46.6%     -    0s
     0     0   13.14224    0   94    9.00000   13.14224  46.0%     -    0s
     0     0   13.14044    0   94    9.00000   13.14044  46.0%     -    0s
     0     0   13.13720    0   94    9.00000   13.13720  46.0%     -    0s
     0     0   13.12851    0   94    9.00000   13.12851  45.9%     -    0s
     0     0   13.12645    0   94    9.00000   13.12645  45.8%     -    0s
     0     2   13.12583    0   94    9.00000   13.12583  45.8%     -    0s

Cutting planes:
  Clique: 65
  Zero half: 1

Explored 112 nodes (7563 simplex iterations) in 1.10 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%