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

Optimize a model with 206 rows, 95 columns and 412 nonzeros
Presolve removed 82 rows and 28 columns
Presolve time: 0.00s
Presolved: 124 rows, 67 columns, 257 nonzeros
Variable types: 0 continuous, 67 integer (67 binary)
Found heuristic solution: objective 41.0000000

Root relaxation: objective 4.525000e+01, 89 iterations, 0.00 seconds

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

     0     0   45.25000    0   59   41.00000   45.25000  10.4%     -    0s
H    0     0                      43.0000000   45.25000  5.23%     -    0s
     0     0   44.47826    0   67   43.00000   44.47826  3.44%     -    0s
     0     0 infeasible    0        43.00000   43.99996  2.33%     -    0s

Cutting planes:
  Gomory: 3
  Zero half: 5

Explored 0 nodes (146 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%