Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:43:14 2012

Optimize a model with 386 rows, 41 columns and 772 nonzeros
Presolve removed 246 rows and 0 columns
Presolve time: 0.00s
Presolved: 140 rows, 41 columns, 676 nonzeros
Variable types: 0 continuous, 41 integer (41 binary)
Found heuristic solution: objective 7.0000000

Root relaxation: objective 8.928571e+00, 72 iterations, 0.00 seconds

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

     0     0    8.92857    0   33    7.00000    8.92857  27.6%     -    0s
     0     0    8.53886    0   36    7.00000    8.53886  22.0%     -    0s
     0     0    8.51316    0   36    7.00000    8.51316  21.6%     -    0s
     0     0    8.47287    0   36    7.00000    8.47287  21.0%     -    0s
     0     0    8.44925    0   37    7.00000    8.44925  20.7%     -    0s
     0     0    8.43393    0   36    7.00000    8.43393  20.5%     -    0s
     0     0    8.41573    0   35    7.00000    8.41573  20.2%     -    0s
     0     0    8.38893    0   36    7.00000    8.38893  19.8%     -    0s
     0     0    8.37722    0   36    7.00000    8.37722  19.7%     -    0s
     0     0    8.37338    0   36    7.00000    8.37338  19.6%     -    0s
     0     0    8.37338    0   36    7.00000    8.37338  19.6%     -    0s
     0     2    8.36958    0   36    7.00000    8.36958  19.6%     -    0s

Cutting planes:
  Gomory: 2
  Clique: 7
  Zero half: 9

Explored 5 nodes (438 simplex iterations) in 0.04 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%