Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:44:15 2012

Optimize a model with 1412 rows, 76 columns and 2824 nonzeros
Presolve removed 994 rows and 0 columns
Presolve time: 0.03s
Presolved: 418 rows, 76 columns, 2591 nonzeros
Variable types: 0 continuous, 76 integer (76 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.202487e+01, 235 iterations, 0.01 seconds

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

     0     0   12.02487    0   70    7.00000   12.02487  71.8%     -    0s
     0     0   11.71336    0   75    7.00000   11.71336  67.3%     -    0s
H    0     0                       8.0000000   11.71336  46.4%     -    0s
     0     0   11.62039    0   75    8.00000   11.62039  45.3%     -    0s
     0     0   11.60254    0   76    8.00000   11.60254  45.0%     -    0s
     0     0   11.57198    0   75    8.00000   11.57198  44.6%     -    0s
     0     0   11.54989    0   75    8.00000   11.54989  44.4%     -    0s
     0     0   11.54822    0   76    8.00000   11.54822  44.4%     -    0s
     0     0   11.54708    0   76    8.00000   11.54708  44.3%     -    0s
     0     2   11.54688    0   76    8.00000   11.54688  44.3%     -    0s

Cutting planes:
  Clique: 41
  Zero half: 5

Explored 97 nodes (4564 simplex iterations) in 0.44 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%