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

Optimize a model with 1201 rows, 70 columns and 2402 nonzeros
Presolve removed 825 rows and 0 columns
Presolve time: 0.03s
Presolved: 376 rows, 70 columns, 2224 nonzeros
Variable types: 0 continuous, 70 integer (70 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.165272e+01, 303 iterations, 0.01 seconds

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

     0     0   11.65272    0   63    5.00000   11.65272   133%     -    0s
H    0     0                       6.0000000   11.65272  94.2%     -    0s
H    0     0                       7.0000000   11.65272  66.5%     -    0s
     0     0   11.20441    0   67    7.00000   11.20441  60.1%     -    0s
     0     0   11.16801    0   69    7.00000   11.16801  59.5%     -    0s
     0     0   11.07544    0   68    7.00000   11.07544  58.2%     -    0s
H    0     0                       8.0000000   11.07544  38.4%     -    0s
     0     0   11.05945    0   69    8.00000   11.05945  38.2%     -    0s
     0     0   11.04265    0   69    8.00000   11.04265  38.0%     -    0s
     0     0   11.03408    0   70    8.00000   11.03408  37.9%     -    0s
     0     0   11.03347    0   70    8.00000   11.03347  37.9%     -    0s
     0     0   11.03282    0   70    8.00000   11.03282  37.9%     -    0s
     0     2   11.02220    0   70    8.00000   11.02220  37.8%     -    0s

Cutting planes:
  Clique: 44
  Zero half: 3

Explored 37 nodes (2291 simplex iterations) in 0.32 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%