Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:46:35 2012

Optimize a model with 2160 rows, 93 columns and 4320 nonzeros
Presolve removed 1524 rows and 0 columns
Presolve time: 0.05s
Presolved: 636 rows, 93 columns, 4225 nonzeros
Variable types: 0 continuous, 93 integer (93 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.325704e+01, 347 iterations, 0.01 seconds

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

     0     0   13.25704    0   88    8.00000   13.25704  65.7%     -    0s
     0     0   12.97427    0   92    8.00000   12.97427  62.2%     -    0s
     0     0   12.93319    0   92    8.00000   12.93319  61.7%     -    0s
     0     0   12.91613    0   91    8.00000   12.91613  61.5%     -    0s
     0     0   12.91482    0   91    8.00000   12.91482  61.4%     -    0s
     0     0   12.91021    0   91    8.00000   12.91021  61.4%     -    0s
     0     0   12.90825    0   91    8.00000   12.90825  61.4%     -    0s
     0     0   12.90692    0   91    8.00000   12.90692  61.3%     -    0s
     0     0   12.90631    0   91    8.00000   12.90631  61.3%     -    0s
     0     2   12.90489    0   91    8.00000   12.90489  61.3%     -    0s
*   84    28               8       9.0000000   12.32846  37.0%  52.3    0s

Cutting planes:
  Clique: 43
  Zero half: 9

Explored 122 nodes (7403 simplex iterations) in 1.08 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%