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

Optimize a model with 206 rows, 93 columns and 412 nonzeros
Presolve removed 41 rows and 9 columns
Presolve time: 0.00s
Presolved: 165 rows, 84 columns, 338 nonzeros
Variable types: 0 continuous, 84 integer (84 binary)
Found heuristic solution: objective 39.0000000

Root relaxation: objective 4.500000e+01, 106 iterations, 0.00 seconds

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

     0     0   45.00000    0   72   39.00000   45.00000  15.4%     -    0s
     0     0   43.14286    0   82   39.00000   43.14286  10.6%     -    0s
     0     0   42.82609    0   84   39.00000   42.82609  9.81%     -    0s
H    0     0                      42.0000000   42.82609  1.97%     -    0s

Cutting planes:
  Gomory: 3
  Zero half: 10

Explored 0 nodes (249 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.200000000000e+01, best bound 4.200000000000e+01, gap 0.0%