Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:10 2012

Optimize a model with 61 rows, 56 columns and 206 nonzeros
Presolve time: 0.00s
Presolved: 61 rows, 56 columns, 206 nonzeros
Variable types: 0 continuous, 56 integer (56 binary)
Found heuristic solution: objective 14.0000000

Root relaxation: objective 0.000000e+00, 35 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   25   14.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
     0     0    0.46302    0   29    7.00000    0.46302  93.4%     -    0s
     0     0    0.97614    0   29    7.00000    0.97614  86.1%     -    0s
H    0     0                       5.0000000    0.97614  80.5%     -    0s
     0     0    0.99200    0   30    5.00000    0.99200  80.2%     -    0s
     0     0    0.99200    0   30    5.00000    0.99200  80.2%     -    0s
H    0     0                       4.0000000    0.99200  75.2%     -    0s
     0     2    1.00000    0   30    4.00000    1.00000  75.0%     -    0s
*   14     6               7       3.0000000    1.09598  63.5%  13.4    0s

Cutting planes:
  Gomory: 3
  Mod-K: 4

Explored 23 nodes (453 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%