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

Optimize a model with 209 rows, 85 columns and 418 nonzeros
Presolve removed 42 rows and 9 columns
Presolve time: 0.00s
Presolved: 167 rows, 76 columns, 348 nonzeros
Variable types: 0 continuous, 76 integer (76 binary)
Found heuristic solution: objective 34.0000000

Root relaxation: objective 3.975000e+01, 100 iterations, 0.00 seconds

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

     0     0   39.75000    0   65   34.00000   39.75000  16.9%     -    0s
H    0     0                      35.0000000   39.75000  13.6%     -    0s
     0     0   39.00000    0   67   35.00000   39.00000  11.4%     -    0s
H    0     0                      36.0000000   39.00000  8.33%     -    0s
     0     0   38.26415    0   75   36.00000   38.26415  6.29%     -    0s
     0     0   37.91667    0   76   36.00000   37.91667  5.32%     -    0s
     0     0   37.53333    0   75   36.00000   37.53333  4.26%     -    0s
     0     0     cutoff    0        36.00000   36.99996  2.78%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 41

Explored 0 nodes (295 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%