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

Optimize a model with 466 rows, 44 columns and 932 nonzeros
Presolve removed 320 rows and 0 columns
Presolve time: 0.01s
Presolved: 146 rows, 44 columns, 751 nonzeros
Variable types: 0 continuous, 44 integer (44 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 8.568482e+00, 96 iterations, 0.00 seconds

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

     0     0    8.56848    0   41    6.00000    8.56848  42.8%     -    0s
H    0     0                       7.0000000    8.56848  22.4%     -    0s
     0     0    8.35901    0   44    7.00000    8.35901  19.4%     -    0s
     0     0    8.30225    0   43    7.00000    8.30225  18.6%     -    0s
     0     0    8.26954    0   43    7.00000    8.26954  18.1%     -    0s
     0     0    8.20211    0   43    7.00000    8.20211  17.2%     -    0s
     0     0    8.12498    0   43    7.00000    8.12498  16.1%     -    0s
     0     0    8.10996    0   40    7.00000    8.10996  15.9%     -    0s
     0     0    8.09161    0   42    7.00000    8.09161  15.6%     -    0s
     0     0    8.08620    0   43    7.00000    8.08620  15.5%     -    0s
     0     0    8.08388    0   43    7.00000    8.08388  15.5%     -    0s
     0     2    8.07825    0   43    7.00000    8.07825  15.4%     -    0s

Cutting planes:
  Clique: 15
  Zero half: 10

Explored 3 nodes (367 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%