Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:07 2012

Optimize a model with 242 rows, 93 columns and 484 nonzeros
Presolve removed 40 rows and 2 columns
Presolve time: 0.00s
Presolved: 202 rows, 91 columns, 426 nonzeros
Variable types: 0 continuous, 91 integer (91 binary)
Found heuristic solution: objective 37.0000000

Root relaxation: objective 4.200000e+01, 120 iterations, 0.00 seconds

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

     0     0   42.00000    0   87   37.00000   42.00000  13.5%     -    0s
H    0     0                      38.0000000   42.00000  10.5%     -    0s
     0     0   41.33333    0   90   38.00000   41.33333  8.77%     -    0s
H    0     0                      39.0000000   41.33333  5.98%     -    0s
     0     0   40.80000    0   89   39.00000   40.80000  4.62%     -    0s
H    0     0                      40.0000000   40.80000  2.00%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 12

Explored 0 nodes (282 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+01, best bound 4.000000000000e+01, gap 0.0%