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

Optimize a model with 188 rows, 83 columns and 376 nonzeros
Presolve removed 55 rows and 12 columns
Presolve time: 0.00s
Presolved: 133 rows, 71 columns, 278 nonzeros
Variable types: 0 continuous, 71 integer (71 binary)
Found heuristic solution: objective 35.0000000

Root relaxation: objective 3.842857e+01, 98 iterations, 0.00 seconds

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

     0     0   38.42857    0   70   35.00000   38.42857  9.80%     -    0s
     0     0   37.20000    0   61   35.00000   37.20000  6.29%     -    0s
     0     0   37.20000    0   64   35.00000   37.20000  6.29%     -    0s
     0     0   37.20000    0   57   35.00000   37.20000  6.29%     -    0s
H    0     0                      36.0000000   37.20000  3.33%     -    0s
H    0     0                      37.0000000   37.20000  0.54%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 5

Explored 0 nodes (178 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.700000000000e+01, best bound 3.700000000000e+01, gap 0.0%