Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:45:09 2012

Optimize a model with 1805 rows, 85 columns and 3610 nonzeros
Presolve removed 1253 rows and 0 columns
Presolve time: 0.05s
Presolved: 552 rows, 85 columns, 3657 nonzeros
Variable types: 0 continuous, 85 integer (85 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.285708e+01, 368 iterations, 0.01 seconds

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

     0     0   12.85708    0   78    7.00000   12.85708  83.7%     -    0s
H    0     0                       8.0000000   12.85708  60.7%     -    0s
     0     0   12.39549    0   83    8.00000   12.39549  54.9%     -    0s
     0     0   12.34653    0   83    8.00000   12.34653  54.3%     -    0s
     0     0   12.33265    0   84    8.00000   12.33265  54.2%     -    0s
     0     0   12.30587    0   84    8.00000   12.30587  53.8%     -    0s
     0     0   12.29969    0   84    8.00000   12.29969  53.7%     -    0s
     0     0   12.28569    0   84    8.00000   12.28569  53.6%     -    0s
     0     0   12.27625    0   84    8.00000   12.27625  53.5%     -    0s
     0     2   12.27285    0   84    8.00000   12.27285  53.4%     -    0s
*  146     0              10       9.0000000    9.00000   0.0%  45.7    0s

Cutting planes:
  Clique: 64
  Zero half: 3

Explored 147 nodes (7354 simplex iterations) in 0.82 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%