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

Optimize a model with 197 rows, 84 columns and 394 nonzeros
Presolve removed 48 rows and 6 columns
Presolve time: 0.00s
Presolved: 149 rows, 78 columns, 312 nonzeros
Variable types: 0 continuous, 78 integer (78 binary)
Found heuristic solution: objective 32.0000000

Root relaxation: objective 3.812500e+01, 119 iterations, 0.00 seconds

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

     0     0   38.12500    0   74   32.00000   38.12500  19.1%     -    0s
H    0     0                      34.0000000   38.12500  12.1%     -    0s
     0     0   37.30000    0   75   34.00000   37.30000  9.71%     -    0s
H    0     0                      35.0000000   37.30000  6.57%     -    0s
     0     0   37.00000    0   77   35.00000   37.00000  5.71%     -    0s
     0     0   36.81818    0   76   35.00000   36.81818  5.19%     -    0s
     0     0   36.69697    0   77   35.00000   36.69697  4.85%     -    0s
     0     0   36.53846    0   73   35.00000   36.53846  4.40%     -    0s
H    0     0                      36.0000000   36.53846  1.50%     -    0s

Cutting planes:
  Zero half: 19

Explored 0 nodes (286 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%