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

Optimize a model with 217 rows, 98 columns and 434 nonzeros
Presolve removed 40 rows and 8 columns
Presolve time: 0.00s
Presolved: 177 rows, 90 columns, 367 nonzeros
Variable types: 0 continuous, 90 integer (90 binary)
Found heuristic solution: objective 38.0000000

Root relaxation: objective 4.700000e+01, 109 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   80   38.00000   47.00000  23.7%     -    0s
H    0     0                      39.0000000   47.00000  20.5%     -    0s
H    0     0                      40.0000000   47.00000  17.5%     -    0s
     0     0   45.12500    0   79   40.00000   45.12500  12.8%     -    0s
H    0     0                      42.0000000   45.12500  7.44%     -    0s
H    0     0                      43.0000000   45.12500  4.94%     -    0s
     0     0   44.60000    0   86   43.00000   44.60000  3.72%     -    0s
H    0     0                      44.0000000   44.60000  1.36%     -    0s

Cutting planes:
  Gomory: 3
  Zero half: 15

Explored 0 nodes (248 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.400000000000e+01, best bound 4.400000000000e+01, gap 0.0%