Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:04 2012

Optimize a model with 21 rows, 16 columns and 66 nonzeros
Presolve time: 0.00s
Presolved: 21 rows, 16 columns, 66 nonzeros
Variable types: 0 continuous, 16 integer (16 binary)
Found heuristic solution: objective 9.0000000
Found heuristic solution: objective 6.0000000

Root relaxation: objective 0.000000e+00, 8 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    6    6.00000    0.00000   100%     -    0s
     0     0    1.00000    0    8    6.00000    1.00000  83.3%     -    0s
H    0     0                       5.0000000    1.00000  80.0%     -    0s
     0     0    1.12500    0   11    5.00000    1.12500  77.5%     -    0s
     0     0    1.43750    0   14    5.00000    1.43750  71.3%     -    0s
     0     0    1.48649    0   15    5.00000    1.48649  70.3%     -    0s
     0     0    1.50000    0    9    5.00000    1.50000  70.0%     -    0s
     0     0    1.50000    0    9    5.00000    1.50000  70.0%     -    0s
     0     2    1.55172    0    9    5.00000    1.55172  69.0%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 9

Explored 5 nodes (68 simplex iterations) in 0.00 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%