Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:30 2012

Optimize a model with 890 rows, 61 columns and 1780 nonzeros
Presolve removed 601 rows and 0 columns
Presolve time: 0.02s
Presolved: 289 rows, 61 columns, 1608 nonzeros
Variable types: 0 continuous, 61 integer (61 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 1.123910e+01, 158 iterations, 0.00 seconds

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

     0     0   11.23910    0   54    6.00000   11.23910  87.3%     -    0s
H    0     0                       7.0000000   11.23910  60.6%     -    0s
H    0     0                       8.0000000   11.23910  40.5%     -    0s
     0     0   10.76516    0   60    8.00000   10.76516  34.6%     -    0s
H    0     0                       9.0000000   10.76516  19.6%     -    0s
     0     0   10.70503    0   61    9.00000   10.70503  18.9%     -    0s
     0     0   10.67588    0   59    9.00000   10.67588  18.6%     -    0s
     0     0   10.67387    0   60    9.00000   10.67387  18.6%     -    0s
     0     0   10.65878    0   61    9.00000   10.65878  18.4%     -    0s
     0     0   10.65285    0   60    9.00000   10.65285  18.4%     -    0s
     0     0   10.65088    0   60    9.00000   10.65088  18.3%     -    0s
     0     0   10.64879    0   61    9.00000   10.64879  18.3%     -    0s
     0     2   10.64238    0   61    9.00000   10.64238  18.2%     -    0s

Cutting planes:
  Clique: 29
  Zero half: 5

Explored 7 nodes (562 simplex iterations) in 0.15 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%