Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:48:41 2012

Optimize a model with 2539 rows, 101 columns and 5078 nonzeros
Presolve removed 1812 rows and 0 columns
Presolve time: 0.08s
Presolved: 727 rows, 101 columns, 4992 nonzeros
Variable types: 0 continuous, 101 integer (101 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.446835e+01, 350 iterations, 0.01 seconds

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

     0     0   14.46835    0   97    6.00000   14.46835   141%     -    0s
H    0     0                       9.0000000   14.46835  60.8%     -    0s
     0     0   14.06059    0   98    9.00000   14.06059  56.2%     -    0s
     0     0   13.86350    0   98    9.00000   13.86350  54.0%     -    0s
     0     0   13.72710    0   98    9.00000   13.72710  52.5%     -    0s
     0     0   13.66389    0   97    9.00000   13.66389  51.8%     -    0s
     0     0   13.63869    0   98    9.00000   13.63869  51.5%     -    0s
     0     0   13.63100    0   97    9.00000   13.63100  51.5%     -    0s
     0     0   13.61895    0   98    9.00000   13.61895  51.3%     -    0s
     0     0   13.61042    0  100    9.00000   13.61042  51.2%     -    0s
     0     0   13.60957    0  100    9.00000   13.60957  51.2%     -    0s
     0     0   13.60752    0   99    9.00000   13.60752  51.2%     -    1s
     0     0   13.60705    0   99    9.00000   13.60705  51.2%     -    1s
     0     2   13.60632    0   99    9.00000   13.60632  51.2%     -    1s

Cutting planes:
  Clique: 83

Explored 146 nodes (10777 simplex iterations) in 1.98 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%