Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:36:20 2012

Optimize a model with 5319 rows, 812 columns and 16630 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.07s
Presolved: 5345 rows, 810 columns, 23141 nonzeros
Variable types: 0 continuous, 810 integer (810 binary)
Found heuristic solution: objective 28.0000000

Root relaxation: objective 3.857143e+00, 3845 iterations, 0.20 seconds

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

     0     0    3.85714    0  524   28.00000    3.85714  86.2%     -    0s
H    0     0                      26.0000000    3.85714  85.2%     -    1s
     0     0    7.00000    0   71   26.00000    7.00000  73.1%     -    1s
H    0     0                      18.0000000    7.00000  61.1%     -    1s
H    0     0                       8.0000000    7.00000  12.5%     -    1s
*    0     0               0       7.0000000    7.00000   0.0%     -    1s

Cutting planes:
  Gomory: 1
  Clique: 7
  Zero half: 40

Explored 0 nodes (8777 simplex iterations) in 1.30 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000001e+00, best bound 7.000000000001e+00, gap 0.0%