Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:15 2012

Optimize a model with 69 rows, 61 columns and 231 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 69 rows, 59 columns, 229 nonzeros
Variable types: 0 continuous, 59 integer (58 binary)
Found heuristic solution: objective 14.0000000

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   24   14.00000    0.00000   100%     -    0s
H    0     0                      12.0000000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.44355    0   26   10.00000    0.44355  95.6%     -    0s
     0     0    0.87573    0   29   10.00000    0.87573  91.2%     -    0s
H    0     0                       8.0000000    0.87573  89.1%     -    0s
     0     0    0.90220    0   30    8.00000    0.90220  88.7%     -    0s
     0     0    0.93139    0   30    8.00000    0.93139  88.4%     -    0s
     0     0    0.93152    0   31    8.00000    0.93152  88.4%     -    0s
H    0     0                       7.0000000    0.93152  86.7%     -    0s
     0     2    0.95653    0   31    7.00000    0.95653  86.3%     -    0s
*   12     7               8       6.0000000    2.28805  61.9%  15.1    0s
*   18     6               4       5.0000000    2.34278  53.1%  13.1    0s

Cutting planes:
  Gomory: 4
  Mod-K: 3

Explored 27 nodes (438 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%