Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:46:17 2012

Optimize a model with 2080 rows, 92 columns and 4160 nonzeros
Presolve removed 1471 rows and 0 columns
Presolve time: 0.06s
Presolved: 609 rows, 92 columns, 4018 nonzeros
Variable types: 0 continuous, 92 integer (92 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.355366e+01, 378 iterations, 0.01 seconds

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

     0     0   13.55366    0   87    6.00000   13.55366   126%     -    0s
H    0     0                       7.0000000   13.55366  93.6%     -    0s
H    0     0                       9.0000000   13.55366  50.6%     -    0s
     0     0   13.26704    0   91    9.00000   13.26704  47.4%     -    0s
     0     0   13.21049    0   92    9.00000   13.21049  46.8%     -    0s
     0     0   13.14176    0   89    9.00000   13.14176  46.0%     -    0s
     0     0   13.08712    0   91    9.00000   13.08712  45.4%     -    0s
     0     0   13.05431    0   91    9.00000   13.05431  45.0%     -    0s
     0     0   13.04621    0   91    9.00000   13.04621  45.0%     -    0s
     0     0   13.04566    0   91    9.00000   13.04566  45.0%     -    0s
     0     2   13.04236    0   91    9.00000   13.04236  44.9%     -    0s

Cutting planes:
  Clique: 61
  Zero half: 1

Explored 93 nodes (6135 simplex iterations) in 0.96 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%