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

Optimize a model with 246 rows, 95 columns and 492 nonzeros
Presolve removed 44 rows and 3 columns
Presolve time: 0.00s
Presolved: 202 rows, 92 columns, 426 nonzeros
Variable types: 0 continuous, 92 integer (92 binary)
Found heuristic solution: objective 35.0000000

Root relaxation: objective 4.350000e+01, 114 iterations, 0.00 seconds

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

     0     0   43.50000    0   73   35.00000   43.50000  24.3%     -    0s
H    0     0                      39.0000000   43.50000  11.5%     -    0s
     0     0   42.33333    0   90   39.00000   42.33333  8.55%     -    0s
     0     0   42.00000    0   80   39.00000   42.00000  7.69%     -    0s
H    0     0                      40.0000000   42.00000  5.00%     -    0s
     0     0   41.75000    0   83   40.00000   41.75000  4.38%     -    0s
     0     0   41.45455    0   87   40.00000   41.45455  3.64%     -    0s
     0     0   41.33333    0   85   40.00000   41.33333  3.33%     -    0s
     0     0   41.25000    0   87   40.00000   41.25000  3.12%     -    0s
     0     0   41.00000    0   85   40.00000   41.00000  2.50%     -    0s
     0     0   41.00000    0   87   40.00000   41.00000  2.50%     -    0s
     0     0     cutoff    0        40.00000   40.99996  2.50%     -    0s

Cutting planes:
  Zero half: 18

Explored 0 nodes (477 simplex iterations) in 0.03 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%