Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:46:29 2012

Optimize a model with 2159 rows, 93 columns and 4318 nonzeros
Presolve removed 1528 rows and 0 columns
Presolve time: 0.07s
Presolved: 631 rows, 93 columns, 4238 nonzeros
Variable types: 0 continuous, 93 integer (93 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.340002e+01, 419 iterations, 0.01 seconds

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

     0     0   13.40002    0   86    7.00000   13.40002  91.4%     -    0s
H    0     0                       8.0000000   13.40002  67.5%     -    0s
     0     0   13.02702    0   87    8.00000   13.02702  62.8%     -    0s
     0     0   12.94841    0   90    8.00000   12.94841  61.9%     -    0s
     0     0   12.92981    0   88    8.00000   12.92981  61.6%     -    0s
     0     0   12.91020    0   91    8.00000   12.91020  61.4%     -    0s
     0     0   12.90023    0   91    8.00000   12.90023  61.3%     -    0s
     0     0   12.82182    0   87    8.00000   12.82182  60.3%     -    0s
     0     0   12.79310    0   90    8.00000   12.79310  59.9%     -    0s
     0     0   12.78883    0   91    8.00000   12.78883  59.9%     -    0s
     0     0   12.78843    0   91    8.00000   12.78843  59.9%     -    0s
     0     2   12.78837    0   91    8.00000   12.78837  59.9%     -    0s
*   65    29               5       9.0000000   12.43674  38.2%  55.8    1s

Cutting planes:
  Clique: 97
  Zero half: 1

Explored 113 nodes (6961 simplex iterations) in 1.17 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%