Gurobi 5.0.1 (linux64) logging started Fri Nov 16 02:26:40 2012

Optimize a model with 8579 rows, 1122 columns and 26695 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.09s
Presolved: 8577 rows, 1120 columns, 28095 nonzeros
Variable types: 0 continuous, 1120 integer (1120 binary)
Found heuristic solution: objective 33.0000000

Root relaxation: objective 3.462264e+00, 7935 iterations, 0.62 seconds

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

     0     0    3.46226    0  952   33.00000    3.46226  89.5%     -    1s
H    0     0                      31.0000000    3.46226  88.8%     -    1s
     0     0    5.00000    0   77   31.00000    5.00000  83.9%     -    2s
H    0     0                      30.0000000    5.00000  83.3%     -    2s
     0     0    5.57143    0  206   30.00000    5.57143  81.4%     -    2s
H    0     0                      23.0000000    5.57143  75.8%     -    2s
H    0     0                      10.0000000    5.57143  44.3%     -    2s
     0     0    5.67257    0  434   10.00000    5.67257  43.3%     -    3s
     0     0    7.00000    0   68   10.00000    7.00000  30.0%     -    4s
H    0     0                       8.0000000    7.00000  12.5%     -    4s
     0     0    7.00000    0  171    8.00000    7.00000  12.5%     -    4s
H    0     0                       7.0000000    7.00000   0.0%     -    4s

Cutting planes:
  Gomory: 1
  Clique: 9
  Zero half: 2

Explored 0 nodes (27715 simplex iterations) in 4.80 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%