Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:43:50 2012

Optimize a model with 5857 rows, 870 columns and 18297 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.08s
Presolved: 5855 rows, 868 columns, 22886 nonzeros
Variable types: 0 continuous, 868 integer (868 binary)
Found heuristic solution: objective 29.0000000

Root relaxation: objective 3.648855e+00, 7041 iterations, 0.45 seconds

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

     0     0    3.64885    0  656   29.00000    3.64885  87.4%     -    1s
H    0     0                      28.0000000    3.64885  87.0%     -    1s
     0     0    6.00000    0  120   28.00000    6.00000  78.6%     -    1s
H    0     0                      22.0000000    6.00000  72.7%     -    1s
     0     0    6.00000    0  126   22.00000    6.00000  72.7%     -    1s
H    0     0                      21.0000000    6.00000  71.4%     -    1s
H    0     0                       7.0000000    6.00000  14.3%     -    1s
     0     0    6.00000    0   79    7.00000    6.00000  14.3%     -    1s
     0     0    6.00000    0  104    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   91    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   93    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  106    7.00000    6.00000  14.3%     -    2s
     0     0    6.00000    0   86    7.00000    6.00000  14.3%     -    2s
     0     2    6.00000    0   86    7.00000    6.00000  14.3%     -    2s

Cutting planes:
  Clique: 15
  Zero half: 5

Explored 7 nodes (17092 simplex iterations) in 2.40 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%