Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:53 2012

Optimize a model with 89 rows, 82 columns and 302 nonzeros
Presolve removed 0 rows and 2 columns
Presolve time: 0.00s
Presolved: 89 rows, 80 columns, 300 nonzeros
Variable types: 0 continuous, 80 integer (79 binary)
Found heuristic solution: objective 20.0000000

Root relaxation: objective 0.000000e+00, 52 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   35   20.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
     0     0    0.43836    0   37    8.00000    0.43836  94.5%     -    0s
H    0     0                       6.0000000    0.43836  92.7%     -    0s
     0     0    0.84336    0   39    6.00000    0.84336  85.9%     -    0s
     0     0    0.84341    0   40    6.00000    0.84341  85.9%     -    0s
     0     0    0.84341    0   40    6.00000    0.84341  85.9%     -    0s
H    0     0                       5.0000000    0.84341  83.1%     -    0s
     0     2    0.87524    0   40    5.00000    0.87524  82.5%     -    0s

Cutting planes:
  Gomory: 3
  Mod-K: 1

Explored 11 nodes (358 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%