Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:03 2012

Optimize a model with 176 rows, 80 columns and 352 nonzeros
Presolve removed 26 rows and 2 columns
Presolve time: 0.00s
Presolved: 150 rows, 78 columns, 311 nonzeros
Variable types: 0 continuous, 78 integer (78 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 3.750000e+01, 89 iterations, 0.00 seconds

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

     0     0   37.50000    0   67   33.00000   37.50000  13.6%     -    0s
     0     0   36.40000    0   67   33.00000   36.40000  10.3%     -    0s
H    0     0                      35.0000000   36.40000  4.00%     -    0s
     0     0     cutoff    0        35.00000   35.99996  2.86%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 22

Explored 0 nodes (171 simplex iterations) in 0.01 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%