Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:20 2012

Optimize a model with 187 rows, 112 columns and 577 nonzeros
Presolve time: 0.00s
Presolved: 187 rows, 112 columns, 577 nonzeros
Variable types: 0 continuous, 112 integer (112 binary)
Found heuristic solution: objective 49.0000000

Root relaxation: objective 0.000000e+00, 43 iterations, 0.00 seconds

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

     0     0    0.00000    0   19   49.00000    0.00000   100%     -    0s
H    0     0                      47.0000000    0.00000   100%     -    0s
H    0     0                      43.0000000    0.00000   100%     -    0s
     0     0    0.62500    0   21   43.00000    0.62500  98.5%     -    0s
     0     0    0.82237    0   21   43.00000    0.82237  98.1%     -    0s
     0     0    0.83882    0   23   43.00000    0.83882  98.0%     -    0s
     0     0    0.85526    0   21   43.00000    0.85526  98.0%     -    0s
     0     0    0.86349    0   25   43.00000    0.86349  98.0%     -    0s
     0     0    0.86349    0   25   43.00000    0.86349  98.0%     -    0s
     0     2    0.91797    0   25   43.00000    0.91797  97.9%     -    0s
*   21    16              11      42.0000000    5.50000  86.9%  22.7    0s
*   38    29              11      38.0000000    5.50000  85.5%  25.6    0s
*  117    68              14      37.0000000   15.62500  57.8%  21.0    0s
*  240    79              11      36.0000000   16.60000  53.9%  18.1    0s
*  256    81               9      35.0000000   19.05769  45.5%  18.1    0s

Cutting planes:
  Gomory: 1
  Zero half: 19

Explored 826 nodes (12424 simplex iterations) in 0.28 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.500000000000e+01, best bound 3.500000000000e+01, gap 0.0%