Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:34 2012

Optimize a model with 989 rows, 63 columns and 1978 nonzeros
Presolve removed 694 rows and 0 columns
Presolve time: 0.02s
Presolved: 295 rows, 63 columns, 1759 nonzeros
Variable types: 0 continuous, 63 integer (63 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.062625e+01, 187 iterations, 0.00 seconds

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

     0     0   10.62625    0   58    6.00000   10.62625  77.1%     -    0s
H    0     0                       7.0000000   10.62625  51.8%     -    0s
     0     0   10.36305    0   60    7.00000   10.36305  48.0%     -    0s
H    0     0                       8.0000000   10.36305  29.5%     -    0s
     0     0   10.29840    0   60    8.00000   10.29840  28.7%     -    0s
     0     0   10.27693    0   58    8.00000   10.27693  28.5%     -    0s
     0     0   10.24403    0   58    8.00000   10.24403  28.1%     -    0s
     0     0   10.22146    0   59    8.00000   10.22146  27.8%     -    0s
     0     0   10.17721    0   61    8.00000   10.17721  27.2%     -    0s
     0     0   10.16342    0   59    8.00000   10.16342  27.0%     -    0s
     0     0   10.14542    0   60    8.00000   10.14542  26.8%     -    0s
     0     0   10.07992    0   57    8.00000   10.07992  26.0%     -    0s
     0     0   10.07776    0   58    8.00000   10.07776  26.0%     -    0s
     0     0   10.07769    0   59    8.00000   10.07769  26.0%     -    0s
     0     0   10.07769    0   59    8.00000   10.07769  26.0%     -    0s
     0     2   10.07751    0   59    8.00000   10.07751  26.0%     -    0s

Cutting planes:
  Clique: 20
  Zero half: 7

Explored 17 nodes (1163 simplex iterations) in 0.20 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%