Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:48:23 2012

Optimize a model with 2493 rows, 100 columns and 4986 nonzeros
Presolve removed 1774 rows and 0 columns
Presolve time: 0.07s
Presolved: 719 rows, 100 columns, 4916 nonzeros
Variable types: 0 continuous, 100 integer (100 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.428206e+01, 353 iterations, 0.01 seconds

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

     0     0   14.28206    0   94    7.00000   14.28206   104%     -    0s
H    0     0                       8.0000000   14.28206  78.5%     -    0s
     0     0   13.79365    0   97    8.00000   13.79365  72.4%     -    0s
     0     0   13.78124    0   98    8.00000   13.78124  72.3%     -    0s
     0     0   13.76939    0   98    8.00000   13.76939  72.1%     -    0s
     0     0   13.74395    0   99    8.00000   13.74395  71.8%     -    0s
H    0     0                       9.0000000   13.74395  52.7%     -    0s
     0     0   13.73471    0   99    9.00000   13.73471  52.6%     -    0s
     0     0   13.73419    0   99    9.00000   13.73419  52.6%     -    0s
     0     0   13.73305    0  100    9.00000   13.73305  52.6%     -    0s
     0     2   13.73175    0  100    9.00000   13.73175  52.6%     -    0s

Cutting planes:
  Clique: 67
  Zero half: 3

Explored 170 nodes (10822 simplex iterations) in 1.44 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%