Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:12 2012

Optimize a model with 37 rows, 28 columns and 118 nonzeros
Presolve time: 0.00s
Presolved: 37 rows, 28 columns, 118 nonzeros
Variable types: 0 continuous, 28 integer (28 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 0.000000e+00, 15 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   10    8.00000    0.00000   100%     -    0s
     0     0    0.80000    0   14    8.00000    0.80000  90.0%     -    0s
     0     0    1.04878    0   15    8.00000    1.04878  86.9%     -    0s
     0     0    1.10345    0   16    8.00000    1.10345  86.2%     -    0s
     0     0    1.30769    0   18    8.00000    1.30769  83.7%     -    0s
     0     0    1.36585    0   18    8.00000    1.36585  82.9%     -    0s
     0     0    1.36986    0   18    8.00000    1.36986  82.9%     -    0s
     0     0    1.36986    0   18    8.00000    1.36986  82.9%     -    0s
H    0     0                       7.0000000    1.36986  80.4%     -    0s
     0     2    1.36986    0   18    7.00000    1.36986  80.4%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 7

Explored 15 nodes (213 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%