Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:46:23 2012

Optimize a model with 2107 rows, 92 columns and 4214 nonzeros
Presolve removed 1477 rows and 0 columns
Presolve time: 0.06s
Presolved: 630 rows, 92 columns, 4192 nonzeros
Variable types: 0 continuous, 92 integer (92 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 1.365907e+01, 338 iterations, 0.01 seconds

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

     0     0   13.65907    0   87    7.00000   13.65907  95.1%     -    0s
H    0     0                       8.0000000   13.65907  70.7%     -    0s
     0     0   13.26384    0   92    8.00000   13.26384  65.8%     -    0s
     0     0   13.18969    0   92    8.00000   13.18969  64.9%     -    0s
     0     0   13.17344    0   92    8.00000   13.17344  64.7%     -    0s
     0     0   13.16107    0   92    8.00000   13.16107  64.5%     -    0s
     0     0   13.15438    0   92    8.00000   13.15438  64.4%     -    0s
     0     0   13.15432    0   92    8.00000   13.15432  64.4%     -    0s
H    0     0                       9.0000000   13.15432  46.2%     -    0s
     0     0   13.15431    0   92    9.00000   13.15431  46.2%     -    0s
     0     2   13.15379    0   92    9.00000   13.15379  46.2%     -    0s

Cutting planes:
  Clique: 50
  Zero half: 4

Explored 91 nodes (6631 simplex iterations) in 0.94 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%