Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:47:28 2012

Optimize a model with 2331 rows, 97 columns and 4662 nonzeros
Presolve removed 1655 rows and 0 columns
Presolve time: 0.06s
Presolved: 676 rows, 97 columns, 4685 nonzeros
Variable types: 0 continuous, 97 integer (97 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.405721e+01, 375 iterations, 0.01 seconds

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

     0     0   14.05721    0   87    8.00000   14.05721  75.7%     -    0s
H    0     0                       9.0000000   14.05721  56.2%     -    0s
     0     0   13.59460    0   93    9.00000   13.59460  51.1%     -    0s
     0     0   13.56132    0   94    9.00000   13.56132  50.7%     -    0s
     0     0   13.52025    0   93    9.00000   13.52025  50.2%     -    0s
     0     0   13.46498    0   96    9.00000   13.46498  49.6%     -    0s
     0     0   13.45440    0   96    9.00000   13.45440  49.5%     -    0s
     0     0   13.43202    0   97    9.00000   13.43202  49.2%     -    0s
     0     0   13.41794    0   97    9.00000   13.41794  49.1%     -    0s
     0     0   13.39988    0   96    9.00000   13.39988  48.9%     -    0s
     0     0   13.39530    0   96    9.00000   13.39530  48.8%     -    0s
     0     0   13.39528    0   95    9.00000   13.39528  48.8%     -    0s
     0     0   13.39527    0   95    9.00000   13.39527  48.8%     -    0s
     0     2   13.39368    0   95    9.00000   13.39368  48.8%     -    1s

Cutting planes:
  Clique: 77
  Zero half: 1

Explored 143 nodes (9350 simplex iterations) in 1.60 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%