Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:02 2012

Optimize a model with 61 rows, 54 columns and 204 nonzeros
Presolve time: 0.00s
Presolved: 61 rows, 54 columns, 204 nonzeros
Variable types: 0 continuous, 54 integer (54 binary)
Found heuristic solution: objective 10.0000000

Root relaxation: objective 0.000000e+00, 37 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   21   10.00000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
H    0     0                       6.0000000    0.00000   100%     -    0s
     0     0    0.30168    0   23    6.00000    0.30168  95.0%     -    0s
     0     0    0.88524    0   29    6.00000    0.88524  85.2%     -    0s
     0     0    0.88596    0   30    6.00000    0.88596  85.2%     -    0s
     0     0    0.88596    0   30    6.00000    0.88596  85.2%     -    0s
H    0     0                       4.0000000    0.88596  77.9%     -    0s
     0     2    0.89103    0   30    4.00000    0.89103  77.7%     -    0s
*   88     8               9       3.0000000    1.26296  57.9%   7.4    0s

Cutting planes:
  Gomory: 4
  Zero half: 4

Explored 105 nodes (879 simplex iterations) in 0.02 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%