Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:15 2012

Optimize a model with 468 rows, 44 columns and 936 nonzeros
Presolve removed 319 rows and 0 columns
Presolve time: 0.01s
Presolved: 149 rows, 44 columns, 762 nonzeros
Variable types: 0 continuous, 44 integer (44 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 8.525084e+00, 75 iterations, 0.00 seconds

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

     0     0    8.52508    0   40    6.00000    8.52508  42.1%     -    0s
     0     0    8.24196    0   42    6.00000    8.24196  37.4%     -    0s
     0     0    8.20150    0   39    6.00000    8.20150  36.7%     -    0s
     0     0    8.17766    0   42    6.00000    8.17766  36.3%     -    0s
H    0     0                       7.0000000    8.17766  16.8%     -    0s
     0     0    8.16613    0   40    7.00000    8.16613  16.7%     -    0s
     0     0    8.14527    0   41    7.00000    8.14527  16.4%     -    0s
     0     0    8.11401    0   43    7.00000    8.11401  15.9%     -    0s
     0     0    8.07618    0   43    7.00000    8.07618  15.4%     -    0s
     0     0    8.05104    0   43    7.00000    8.05104  15.0%     -    0s
     0     0    8.02045    0   42    7.00000    8.02045  14.6%     -    0s
     0     0     cutoff    0         7.00000    7.99999  14.3%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 12
  Zero half: 15

Explored 0 nodes (329 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%