Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:44:03 2012

Optimize a model with 5741 rows, 870 columns and 17949 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.08s
Presolved: 5768 rows, 868 columns, 22582 nonzeros
Variable types: 0 continuous, 868 integer (868 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 3.611940e+00, 6063 iterations, 0.36 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    3.61194    0  644   29.00000    3.61194  87.5%     -    1s
     0     0    6.00000    0  111   29.00000    6.00000  79.3%     -    1s
H    0     0                      23.0000000    6.00000  73.9%     -    1s
H    0     0                       7.0000000    6.00000  14.3%     -    1s
     0     0    6.00000    0   81    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0   45    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0  102    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   18    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   32    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   43    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   70    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   70    7.00000    6.00000  14.3%     -    2s
     0     2    6.00000    0   70    7.00000    6.00000  14.3%     -    2s

Cutting planes:
  Clique: 6
  Zero half: 2

Explored 13 nodes (16772 simplex iterations) in 2.38 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%