Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:46:39 2012

Optimize a model with 2169 rows, 94 columns and 4338 nonzeros
Presolve removed 1544 rows and 0 columns
Presolve time: 0.07s
Presolved: 625 rows, 94 columns, 4067 nonzeros
Variable types: 0 continuous, 94 integer (94 binary)
Found heuristic solution: objective 8.0000000

Root relaxation: objective 1.347640e+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   13.47640    0   91    8.00000   13.47640  68.5%     -    0s
     0     0   13.16868    0   93    8.00000   13.16868  64.6%     -    0s
H    0     0                       9.0000000   13.16868  46.3%     -    0s
     0     0   13.11453    0   93    9.00000   13.11453  45.7%     -    0s
     0     0   13.10134    0   93    9.00000   13.10134  45.6%     -    0s
     0     0   13.09195    0   93    9.00000   13.09195  45.5%     -    0s
     0     0   13.08415    0   93    9.00000   13.08415  45.4%     -    0s
     0     0   13.06233    0   93    9.00000   13.06233  45.1%     -    0s
     0     0   13.06199    0   93    9.00000   13.06199  45.1%     -    0s
     0     0   13.04753    0   93    9.00000   13.04753  45.0%     -    0s
     0     0   13.04242    0   92    9.00000   13.04242  44.9%     -    0s
     0     0   13.04197    0   93    9.00000   13.04197  44.9%     -    0s
     0     0   13.04193    0   93    9.00000   13.04193  44.9%     -    0s
     0     2   13.04184    0   93    9.00000   13.04184  44.9%     -    1s

Cutting planes:
  Clique: 49
  Zero half: 3

Explored 114 nodes (7479 simplex iterations) in 1.33 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%