Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:45:14 2012

Optimize a model with 1798 rows, 85 columns and 3596 nonzeros
Presolve removed 1257 rows and 0 columns
Presolve time: 0.05s
Presolved: 541 rows, 85 columns, 3579 nonzeros
Variable types: 0 continuous, 85 integer (85 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.292751e+01, 248 iterations, 0.01 seconds

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

     0     0   12.92751    0   79    5.00000   12.92751   159%     -    0s
H    0     0                       6.0000000   12.92751   115%     -    0s
H    0     0                       7.0000000   12.92751  84.7%     -    0s
     0     0   12.31430    0   84    7.00000   12.31430  75.9%     -    0s
     0     0   12.27682    0   84    7.00000   12.27682  75.4%     -    0s
     0     0   12.27484    0   84    7.00000   12.27484  75.4%     -    0s
     0     0   12.26502    0   85    7.00000   12.26502  75.2%     -    0s
H    0     0                       8.0000000   12.26502  53.3%     -    0s
     0     0   12.26141    0   84    8.00000   12.26141  53.3%     -    0s
     0     0   12.25200    0   85    8.00000   12.25200  53.1%     -    0s
     0     0   12.25122    0   85    8.00000   12.25122  53.1%     -    0s
     0     0   12.24258    0   85    8.00000   12.24258  53.0%     -    0s
     0     0   12.24199    0   85    8.00000   12.24199  53.0%     -    0s
     0     0   12.23942    0   85    8.00000   12.23942  53.0%     -    0s
     0     2   12.23938    0   85    8.00000   12.23938  53.0%     -    0s
*  103    12              11       9.0000000   10.88036  20.9%  44.5    0s

Cutting planes:
  Clique: 43
  Zero half: 6

Explored 116 nodes (5392 simplex iterations) in 0.82 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%