Gurobi 5.0.1 (linux64) logging started Mon Nov 19 07:03:48 2012

Optimize a model with 4020 rows, 127 columns and 8040 nonzeros
Presolve removed 2868 rows and 0 columns
Presolve time: 0.15s
Presolved: 1152 rows, 127 columns, 8332 nonzeros
Variable types: 0 continuous, 127 integer (127 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.669672e+01, 611 iterations, 0.04 seconds

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

     0     0   16.69672    0  123    7.00000   16.69672   139%     -    0s
H    0     0                       8.0000000   16.69672   109%     -    0s
H    0     0                       9.0000000   16.69672  85.5%     -    0s
     0     0   16.20671    0  125    9.00000   16.20671  80.1%     -    0s
     0     0   16.17109    0  126    9.00000   16.17109  79.7%     -    0s
     0     0   16.08239    0  127    9.00000   16.08239  78.7%     -    0s
     0     0   16.06162    0  127    9.00000   16.06162  78.5%     -    0s
     0     0   16.00347    0  127    9.00000   16.00347  77.8%     -    1s
     0     0   15.99352    0  127    9.00000   15.99352  77.7%     -    1s
     0     0   15.98516    0  127    9.00000   15.98516  77.6%     -    1s
     0     0   15.98004    0  127    9.00000   15.98004  77.6%     -    1s
     0     0   15.97739    0  127    9.00000   15.97739  77.5%     -    1s
     0     0   15.97688    0  127    9.00000   15.97688  77.5%     -    2s
     0     2   15.97651    0  127    9.00000   15.97651  77.5%     -    2s
*  442   114              10      10.0000000   13.11037  31.1%  66.1    4s
   477   103     cutoff   28        10.00000   12.66697  26.7%  67.1    5s

Cutting planes:
  Clique: 98

Explored 605 nodes (38674 simplex iterations) in 5.44 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%