Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:04 2012

Optimize a model with 183 rows, 82 columns and 366 nonzeros
Presolve removed 47 rows and 13 columns
Presolve time: 0.00s
Presolved: 136 rows, 69 columns, 277 nonzeros
Variable types: 0 continuous, 69 integer (69 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 3.900000e+01, 85 iterations, 0.00 seconds

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

     0     0   39.00000    0   64   33.00000   39.00000  18.2%     -    0s
H    0     0                      34.0000000   39.00000  14.7%     -    0s
     0     0   37.20000    0   66   34.00000   37.20000  9.41%     -    0s
     0     0   36.54545    0   68   34.00000   36.54545  7.49%     -    0s
H    0     0                      35.0000000   36.54545  4.42%     -    0s
     0     0   36.40000    0   61   35.00000   36.40000  4.00%     -    0s
     0     0   36.25000    0   62   35.00000   36.25000  3.57%     -    0s
     0     0   36.13889    0   68   35.00000   36.13889  3.25%     -    0s
     0     0   36.00000    0   59   35.00000   36.00000  2.86%     -    0s
     0     0   36.00000    0   40   35.00000   36.00000  2.86%     -    0s
     0     0     cutoff    0        35.00000   35.99996  2.86%     -    0s

Cutting planes:
  Zero half: 26

Explored 0 nodes (262 simplex iterations) in 0.02 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%