Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:45:37 2012

Optimize a model with 1938 rows, 88 columns and 3876 nonzeros
Presolve removed 1357 rows and 0 columns
Presolve time: 0.04s
Presolved: 581 rows, 88 columns, 3826 nonzeros
Variable types: 0 continuous, 88 integer (88 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.330080e+01, 382 iterations, 0.01 seconds

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

     0     0   13.30080    0   83    8.00000   13.30080  66.3%     -    0s
     0     0   12.86489    0   84    8.00000   12.86489  60.8%     -    0s
     0     0   12.75624    0   85    8.00000   12.75624  59.5%     -    0s
     0     0   12.70553    0   86    8.00000   12.70553  58.8%     -    0s
     0     0   12.68559    0   85    8.00000   12.68559  58.6%     -    0s
     0     0   12.67194    0   86    8.00000   12.67194  58.4%     -    0s
     0     0   12.65434    0   84    8.00000   12.65434  58.2%     -    0s
     0     0   12.65092    0   85    8.00000   12.65092  58.1%     -    0s
     0     0   12.65042    0   85    8.00000   12.65042  58.1%     -    0s
     0     2   12.64386    0   85    8.00000   12.64386  58.0%     -    0s
*  104    23               5       9.0000000   11.50558  27.8%  47.0    0s

Cutting planes:
  Clique: 69
  Zero half: 1

Explored 128 nodes (6317 simplex iterations) in 0.96 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%