Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:45:47 2012

Optimize a model with 1954 rows, 89 columns and 3908 nonzeros
Presolve removed 1375 rows and 0 columns
Presolve time: 0.06s
Presolved: 579 rows, 89 columns, 3758 nonzeros
Variable types: 0 continuous, 89 integer (89 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.325751e+01, 355 iterations, 0.01 seconds

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

     0     0   13.25751    0   88    6.00000   13.25751   121%     -    0s
H    0     0                       8.0000000   13.25751  65.7%     -    0s
     0     0   13.11177    0   88    8.00000   13.11177  63.9%     -    0s
     0     0   13.02379    0   88    8.00000   13.02379  62.8%     -    0s
H    0     0                       9.0000000   13.02379  44.7%     -    0s
     0     0   12.97458    0   89    9.00000   12.97458  44.2%     -    0s
     0     0   12.95458    0   87    9.00000   12.95458  43.9%     -    0s
     0     0   12.94872    0   89    9.00000   12.94872  43.9%     -    0s
     0     0   12.94335    0   89    9.00000   12.94335  43.8%     -    0s
     0     0   12.94334    0   89    9.00000   12.94334  43.8%     -    0s
     0     0   12.94006    0   89    9.00000   12.94006  43.8%     -    0s
     0     0   12.93831    0   88    9.00000   12.93831  43.8%     -    0s
     0     0   12.93740    0   89    9.00000   12.93740  43.7%     -    0s
     0     0   12.93737    0   89    9.00000   12.93737  43.7%     -    0s
     0     2   12.93735    0   89    9.00000   12.93735  43.7%     -    0s
*   36    13               4      10.0000000   12.74424  27.4%  55.2    0s

Cutting planes:
  Clique: 28
  Zero half: 8

Explored 50 nodes (3667 simplex iterations) in 0.82 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%