Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:51:37 2012

Optimize a model with 6539 rows, 930 columns and 20398 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.09s
Presolved: 6567 rows, 928 columns, 25863 nonzeros
Variable types: 0 continuous, 928 integer (928 binary)
Found heuristic solution: objective 30.0000000

Root relaxation: objective 3.696970e+00, 7994 iterations, 0.53 seconds

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

     0     0    3.69697    0  679   30.00000    3.69697  87.7%     -    1s
H    0     0                      29.0000000    3.69697  87.3%     -    1s
     0     0    7.00000    0  105   29.00000    7.00000  75.9%     -    1s
H    0     0                      26.0000000    7.00000  73.1%     -    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: 19
  Zero half: 58

Explored 0 nodes (13359 simplex iterations) in 2.00 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%