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

Optimize a model with 202 rows, 85 columns and 404 nonzeros
Presolve removed 42 rows and 4 columns
Presolve time: 0.00s
Presolved: 160 rows, 81 columns, 337 nonzeros
Variable types: 0 continuous, 81 integer (81 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 3.900000e+01, 102 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   70   33.00000   39.00000  18.2%     -    0s
H    0     0                      34.0000000   39.00000  14.7%     -    0s
     0     0   38.25000    0   74   34.00000   38.25000  12.5%     -    0s
H    0     0                      36.0000000   38.25000  6.25%     -    0s
     0     0   37.53333    0   79   36.00000   37.53333  4.26%     -    0s
     0     0     cutoff    0        36.00000   36.99996  2.78%     -    0s

Cutting planes:
  Zero half: 35

Explored 0 nodes (252 simplex iterations) in 0.02 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%