Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:08 2012

Optimize a model with 225 rows, 96 columns and 450 nonzeros
Presolve removed 101 rows and 30 columns
Presolve time: 0.00s
Presolved: 124 rows, 66 columns, 256 nonzeros
Variable types: 0 continuous, 66 integer (66 binary)
Found heuristic solution: objective 43.0000000

Root relaxation: objective 4.600000e+01, 81 iterations, 0.00 seconds

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

     0     0   46.00000    0   52   43.00000   46.00000  6.98%     -    0s
     0     0   45.25000    0   56   43.00000   45.25000  5.23%     -    0s
H    0     0                      44.0000000   45.25000  2.84%     -    0s
H    0     0                      45.0000000   45.25000  0.56%     -    0s

Cutting planes:
  Zero half: 6

Explored 0 nodes (143 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.500000000000e+01, best bound 4.500000000000e+01, gap 0.0%