Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:03:37 2012

Optimize a model with 3991 rows, 127 columns and 7982 nonzeros
Presolve removed 2882 rows and 0 columns
Presolve time: 0.15s
Presolved: 1109 rows, 127 columns, 7728 nonzeros
Variable types: 0 continuous, 127 integer (127 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.684129e+01, 556 iterations, 0.03 seconds

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

     0     0   16.84129    0  126    8.00000   16.84129   111%     -    0s
H    0     0                       9.0000000   16.84129  87.1%     -    0s
     0     0   16.63608    0  127    9.00000   16.63608  84.8%     -    0s
     0     0   16.54976    0  127    9.00000   16.54976  83.9%     -    0s
     0     0   16.42843    0  126    9.00000   16.42843  82.5%     -    0s
     0     0   16.40515    0  125    9.00000   16.40515  82.3%     -    0s
     0     0   16.39407    0  126    9.00000   16.39407  82.2%     -    1s
     0     0   16.38940    0  126    9.00000   16.38940  82.1%     -    1s
     0     0   16.38921    0  126    9.00000   16.38921  82.1%     -    1s
     0     0   16.38917    0  126    9.00000   16.38917  82.1%     -    1s
     0     2   16.38313    0  126    9.00000   16.38313  82.0%     -    2s
H  600   153                      10.0000000   13.13059  31.3%  58.2    6s
   815   156   13.07021   13   67   10.00000   13.13059  31.3%  70.4   10s

Cutting planes:
  Clique: 38

Explored 1177 nodes (69656 simplex iterations) in 10.77 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%