Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:54 2012

Optimize a model with 1245 rows, 70 columns and 2490 nonzeros
Presolve removed 860 rows and 0 columns
Presolve time: 0.03s
Presolved: 385 rows, 70 columns, 2383 nonzeros
Variable types: 0 continuous, 70 integer (70 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.113332e+01, 220 iterations, 0.00 seconds

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

     0     0   11.13332    0   67    7.00000   11.13332  59.0%     -    0s
H    0     0                       8.0000000   11.13332  39.2%     -    0s
     0     0   10.83606    0   69    8.00000   10.83606  35.5%     -    0s
     0     0   10.76795    0   69    8.00000   10.76795  34.6%     -    0s
     0     0   10.74284    0   69    8.00000   10.74284  34.3%     -    0s
     0     0   10.72989    0   68    8.00000   10.72989  34.1%     -    0s
     0     0   10.72211    0   69    8.00000   10.72211  34.0%     -    0s
     0     0   10.71123    0   69    8.00000   10.71123  33.9%     -    0s
     0     0   10.71106    0   69    8.00000   10.71106  33.9%     -    0s
     0     0   10.70979    0   69    8.00000   10.70979  33.9%     -    0s
     0     2   10.70973    0   69    8.00000   10.70973  33.9%     -    0s

Cutting planes:
  Clique: 25
  Zero half: 9

Explored 29 nodes (1964 simplex iterations) in 0.31 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%