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

Optimize a model with 244 rows, 100 columns and 488 nonzeros
Presolve removed 45 rows and 8 columns
Presolve time: 0.00s
Presolved: 199 rows, 92 columns, 412 nonzeros
Variable types: 0 continuous, 92 integer (92 binary)
Found heuristic solution: objective 39.0000000

Root relaxation: objective 4.650000e+01, 132 iterations, 0.00 seconds

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

     0     0   46.50000    0   69   39.00000   46.50000  19.2%     -    0s
H    0     0                      40.0000000   46.50000  16.2%     -    0s
     0     0   45.00000    0   82   40.00000   45.00000  12.5%     -    0s
H    0     0                      43.0000000   45.00000  4.65%     -    0s
H    0     0                      44.0000000   45.00000  2.27%     -    0s
     0     0   45.00000    0   72   44.00000   45.00000  2.27%     -    0s
     0     0     cutoff    0        44.00000   44.99995  2.27%     -    0s

Cutting planes:
  Zero half: 32

Explored 0 nodes (273 simplex iterations) in 0.02 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%