Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:44:26 2012

Optimize a model with 1513 rows, 78 columns and 3026 nonzeros
Presolve removed 1069 rows and 0 columns
Presolve time: 0.04s
Presolved: 444 rows, 78 columns, 2865 nonzeros
Variable types: 0 continuous, 78 integer (78 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.208698e+01, 261 iterations, 0.01 seconds

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

     0     0   12.08698    0   71    6.00000   12.08698   101%     -    0s
H    0     0                       7.0000000   12.08698  72.7%     -    0s
     0     0   11.81551    0   74    7.00000   11.81551  68.8%     -    0s
     0     0   11.74536    0   75    7.00000   11.74536  67.8%     -    0s
     0     0   11.71981    0   73    7.00000   11.71981  67.4%     -    0s
     0     0   11.71471    0   73    7.00000   11.71471  67.4%     -    0s
H    0     0                       8.0000000   11.71471  46.4%     -    0s
     0     0   11.70929    0   74    8.00000   11.70929  46.4%     -    0s
     0     0   11.68088    0   74    8.00000   11.68088  46.0%     -    0s
     0     0   11.67056    0   74    8.00000   11.67056  45.9%     -    0s
H    0     0                       9.0000000   11.67056  29.7%     -    0s
     0     0   11.66755    0   75    9.00000   11.66755  29.6%     -    0s
     0     0   11.66679    0   75    9.00000   11.66679  29.6%     -    0s
     0     0   11.66606    0   75    9.00000   11.66606  29.6%     -    0s
     0     2   11.66541    0   75    9.00000   11.66541  29.6%     -    0s

Cutting planes:
  Clique: 29
  Zero half: 2

Explored 27 nodes (1902 simplex iterations) in 0.51 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%