Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:33 2012

Optimize a model with 960 rows, 62 columns and 1920 nonzeros
Presolve removed 675 rows and 0 columns
Presolve time: 0.02s
Presolved: 285 rows, 62 columns, 1708 nonzeros
Variable types: 0 continuous, 62 integer (62 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.057907e+01, 149 iterations, 0.00 seconds

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

     0     0   10.57907    0   55    5.00000   10.57907   112%     -    0s
H    0     0                       6.0000000   10.57907  76.3%     -    0s
H    0     0                       7.0000000   10.57907  51.1%     -    0s
     0     0   10.11707    0   58    7.00000   10.11707  44.5%     -    0s
     0     0   10.05863    0   57    7.00000   10.05863  43.7%     -    0s
     0     0   10.02643    0   56    7.00000   10.02643  43.2%     -    0s
     0     0   10.00127    0   57    7.00000   10.00127  42.9%     -    0s
     0     0    9.99844    0   59    7.00000    9.99844  42.8%     -    0s
     0     0    9.99634    0   59    7.00000    9.99634  42.8%     -    0s
     0     2    9.99584    0   59    7.00000    9.99584  42.8%     -    0s
*   46     0               4       8.0000000    8.00000   0.0%  30.3    0s

Cutting planes:
  Clique: 43
  Zero half: 4

Explored 47 nodes (1741 simplex iterations) in 0.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%