Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:02 2012

Optimize a model with 121 rows, 75 columns and 242 nonzeros
Presolve removed 51 rows and 28 columns
Presolve time: 0.00s
Presolved: 70 rows, 47 columns, 141 nonzeros
Variable types: 0 continuous, 47 integer (47 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 3.800000e+01, 50 iterations, 0.00 seconds

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

     0     0   38.00000    0   46   33.00000   38.00000  15.2%     -    0s
H    0     0                      35.0000000   38.00000  8.57%     -    0s
     0     0   36.66667    0   46   35.00000   36.66667  4.76%     -    0s
     0     0   36.66667    0   44   35.00000   36.66667  4.76%     -    0s
H    0     0                      36.0000000   36.66667  1.85%     -    0s

Cutting planes:
  Zero half: 6

Explored 0 nodes (119 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%