Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:05 2012

Optimize a model with 192 rows, 85 columns and 384 nonzeros
Presolve removed 59 rows and 13 columns
Presolve time: 0.00s
Presolved: 133 rows, 72 columns, 275 nonzeros
Variable types: 0 continuous, 72 integer (72 binary)
Found heuristic solution: objective 32.0000000

Root relaxation: objective 3.950000e+01, 82 iterations, 0.00 seconds

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

     0     0   39.50000    0   67   32.00000   39.50000  23.4%     -    0s
H    0     0                      34.0000000   39.50000  16.2%     -    0s
     0     0   38.25000    0   70   34.00000   38.25000  12.5%     -    0s
     0     0   37.50000    0   61   34.00000   37.50000  10.3%     -    0s
H    0     0                      35.0000000   37.50000  7.14%     -    0s
     0     0   37.40000    0   69   35.00000   37.40000  6.86%     -    0s
     0     0   36.83333    0   70   35.00000   36.83333  5.24%     -    0s
     0     0   36.66667    0   66   35.00000   36.66667  4.76%     -    0s
H    0     0                      36.0000000   36.66667  1.85%     -    0s

Cutting planes:
  Zero half: 16

Explored 0 nodes (220 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.600000000000e+01, best bound 3.600000000000e+01, gap 0.0%