Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:45:12 2012

Optimize a model with 1773 rows, 85 columns and 3546 nonzeros
Presolve removed 1246 rows and 0 columns
Presolve time: 0.05s
Presolved: 527 rows, 85 columns, 3392 nonzeros
Variable types: 0 continuous, 85 integer (85 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.283842e+01, 267 iterations, 0.01 seconds

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

     0     0   12.83842    0   79    7.00000   12.83842  83.4%     -    0s
H    0     0                       8.0000000   12.83842  60.5%     -    0s
     0     0   12.37839    0   84    8.00000   12.37839  54.7%     -    0s
     0     0   12.35567    0   83    8.00000   12.35567  54.4%     -    0s
     0     0   12.34943    0   84    8.00000   12.34943  54.4%     -    0s
     0     0   12.34475    0   84    8.00000   12.34475  54.3%     -    0s
     0     0   12.33255    0   85    8.00000   12.33255  54.2%     -    0s
H    0     0                       9.0000000   12.33255  37.0%     -    0s
     0     0   12.32804    0   83    9.00000   12.32804  37.0%     -    0s
     0     0   12.32633    0   83    9.00000   12.32633  37.0%     -    0s
     0     2   12.32582    0   83    9.00000   12.32582  37.0%     -    0s

Cutting planes:
  Clique: 40
  Zero half: 4

Explored 53 nodes (3445 simplex iterations) in 0.61 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%