Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:06 2012

Optimize a model with 200 rows, 91 columns and 400 nonzeros
Presolve removed 63 rows and 18 columns
Presolve time: 0.00s
Presolved: 137 rows, 73 columns, 282 nonzeros
Variable types: 0 continuous, 73 integer (73 binary)
Found heuristic solution: objective 37.0000000

Root relaxation: objective 4.300000e+01, 96 iterations, 0.00 seconds

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

     0     0   43.00000    0   66   37.00000   43.00000  16.2%     -    0s
H    0     0                      39.0000000   43.00000  10.3%     -    0s
     0     0   42.00000    0   73   39.00000   42.00000  7.69%     -    0s
H    0     0                      40.0000000   42.00000  5.00%     -    0s
     0     0   41.62500    0   72   40.00000   41.62500  4.06%     -    0s
H    0     0                      41.0000000   41.62500  1.52%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 13

Explored 0 nodes (198 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.100000000000e+01, best bound 4.100000000000e+01, gap 0.0%