Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:52 2012

Optimize a model with 1197 rows, 70 columns and 2394 nonzeros
Presolve removed 831 rows and 0 columns
Presolve time: 0.02s
Presolved: 366 rows, 70 columns, 2248 nonzeros
Variable types: 0 continuous, 70 integer (70 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.161542e+01, 196 iterations, 0.00 seconds

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

     0     0   11.61542    0   64    7.00000   11.61542  65.9%     -    0s
H    0     0                       8.0000000   11.61542  45.2%     -    0s
     0     0   11.07978    0   69    8.00000   11.07978  38.5%     -    0s
     0     0   11.02621    0   69    8.00000   11.02621  37.8%     -    0s
     0     0   11.00008    0   70    8.00000   11.00008  37.5%     -    0s
     0     0   10.99796    0   70    8.00000   10.99796  37.5%     -    0s
     0     0   10.98703    0   69    8.00000   10.98703  37.3%     -    0s
     0     0   10.93888    0   69    8.00000   10.93888  36.7%     -    0s
     0     0   10.91650    0   69    8.00000   10.91650  36.5%     -    0s
     0     0   10.89702    0   68    8.00000   10.89702  36.2%     -    0s
     0     0   10.88737    0   70    8.00000   10.88737  36.1%     -    0s
     0     0   10.87429    0   69    8.00000   10.87429  35.9%     -    0s
     0     0   10.87369    0   69    8.00000   10.87369  35.9%     -    0s
H    0     0                       9.0000000   10.87369  20.8%     -    0s
     0     0   10.87354    0   69    9.00000   10.87354  20.8%     -    0s
     0     2   10.86658    0   69    9.00000   10.86658  20.7%     -    0s

Cutting planes:
  Clique: 40
  Zero half: 2

Explored 13 nodes (1023 simplex iterations) in 0.30 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%