Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:09 2012

Optimize a model with 234 rows, 99 columns and 468 nonzeros
Presolve removed 59 rows and 14 columns
Presolve time: 0.00s
Presolved: 175 rows, 85 columns, 355 nonzeros
Variable types: 0 continuous, 85 integer (85 binary)
Found heuristic solution: objective 41.0000000

Root relaxation: objective 4.700000e+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   47.00000    0   74   41.00000   47.00000  14.6%     -    0s
     0     0   44.57143    0   71   41.00000   44.57143  8.71%     -    0s
     0     0   44.00000    0   54   41.00000   44.00000  7.32%     -    0s
     0     0   43.75000    0   65   41.00000   43.75000  6.71%     -    0s
H    0     0                      43.0000000   43.75000  1.74%     -    0s

Cutting planes:
  Gomory: 3
  Zero half: 16

Explored 0 nodes (254 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.300000000000e+01, best bound 4.300000000000e+01, gap 0.0%