Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:44:26 2012

Optimize a model with 1542 rows, 78 columns and 3084 nonzeros
Presolve removed 1118 rows and 0 columns
Presolve time: 0.04s
Presolved: 424 rows, 78 columns, 2819 nonzeros
Variable types: 0 continuous, 78 integer (78 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.167903e+01, 254 iterations, 0.01 seconds

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

     0     0   11.67903    0   72    8.00000   11.67903  46.0%     -    0s
     0     0   11.25689    0   75    8.00000   11.25689  40.7%     -    0s
     0     0   11.12478    0   77    8.00000   11.12478  39.1%     -    0s
     0     0   11.08942    0   76    8.00000   11.08942  38.6%     -    0s
     0     0   11.05887    0   76    8.00000   11.05887  38.2%     -    0s
     0     0   11.04741    0   78    8.00000   11.04741  38.1%     -    0s
     0     0   11.03560    0   77    8.00000   11.03560  37.9%     -    0s
     0     0   11.02971    0   77    8.00000   11.02971  37.9%     -    0s
     0     0   11.02919    0   77    8.00000   11.02919  37.9%     -    0s
     0     0   11.02918    0   78    8.00000   11.02918  37.9%     -    0s
     0     2   11.02842    0   78    8.00000   11.02842  37.9%     -    0s

Cutting planes:
  Clique: 43
  Zero half: 3

Explored 43 nodes (2989 simplex iterations) in 0.47 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%