Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:27 2012

Optimize a model with 89 rows, 73 columns and 293 nonzeros
Presolve time: 0.00s
Presolved: 89 rows, 73 columns, 293 nonzeros
Variable types: 0 continuous, 73 integer (73 binary)
Found heuristic solution: objective 22.0000000

Root relaxation: objective 0.000000e+00, 41 iterations, 0.00 seconds

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

     0     0    0.00000    0   28   22.00000    0.00000   100%     -    0s
H    0     0                      19.0000000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
     0     0    0.54167    0   29    8.00000    0.54167  93.2%     -    0s
     0     0    1.02193    0   31    8.00000    1.02193  87.2%     -    0s
H    0     0                       6.0000000    1.02193  83.0%     -    0s
     0     0    1.03106    0   32    6.00000    1.03106  82.8%     -    0s
     0     2    1.04818    0   32    6.00000    1.04818  82.5%     -    0s
*    4     3               3       5.0000000    3.22628  35.5%  27.0    0s

Cutting planes:
  Gomory: 2
  Zero half: 1
  Mod-K: 1

Explored 8 nodes (300 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%