Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:35 2012

Optimize a model with 1016 rows, 63 columns and 2032 nonzeros
Presolve removed 735 rows and 0 columns
Presolve time: 0.02s
Presolved: 281 rows, 63 columns, 1747 nonzeros
Variable types: 0 continuous, 63 integer (63 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.011363e+01, 145 iterations, 0.00 seconds

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

     0     0   10.11363    0   55    7.00000   10.11363  44.5%     -    0s
     0     0    9.82897    0   60    7.00000    9.82897  40.4%     -    0s
     0     0    9.79985    0   60    7.00000    9.79985  40.0%     -    0s
H    0     0                       8.0000000    9.79985  22.5%     -    0s
     0     0    9.79597    0   61    8.00000    9.79597  22.4%     -    0s
     0     0    9.76947    0   61    8.00000    9.76947  22.1%     -    0s
     0     0    9.74864    0   62    8.00000    9.74864  21.9%     -    0s
     0     0    9.74339    0   60    8.00000    9.74339  21.8%     -    0s
     0     0    9.73241    0   60    8.00000    9.73241  21.7%     -    0s
     0     2    9.73032    0   60    8.00000    9.73032  21.6%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 26
  Zero half: 2

Explored 11 nodes (693 simplex iterations) in 0.17 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%