Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:05 2012

Optimize a model with 19 rows, 16 columns and 61 nonzeros
Presolve time: 0.00s
Presolved: 19 rows, 16 columns, 61 nonzeros
Variable types: 0 continuous, 16 integer (16 binary)
Found heuristic solution: objective 5.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 0.000000e+00, 9 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    7    3.00000    0.00000   100%     -    0s
     0     0    0.66667    0    9    3.00000    0.66667  77.8%     -    0s
     0     0    0.78571    0   11    3.00000    0.78571  73.8%     -    0s
     0     0    0.83453    0   12    3.00000    0.83453  72.2%     -    0s
     0     2    0.84615    0   12    3.00000    0.84615  71.8%     -    0s
*    4     1               2       2.0000000    2.00000   0.0%   6.2    0s

Cutting planes:
  Gomory: 1
  Zero half: 6

Explored 5 nodes (75 simplex iterations) in 0.00 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%