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

Optimize a model with 484 rows, 45 columns and 968 nonzeros
Presolve removed 332 rows and 0 columns
Presolve time: 0.01s
Presolved: 152 rows, 45 columns, 824 nonzeros
Variable types: 0 continuous, 45 integer (45 binary)
Found heuristic solution: objective 6.0000000

Root relaxation: objective 8.851948e+00, 94 iterations, 0.00 seconds

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

     0     0    8.85195    0   39    6.00000    8.85195  47.5%     -    0s
H    0     0                       7.0000000    8.85195  26.5%     -    0s
     0     0    8.55666    0   37    7.00000    8.55666  22.2%     -    0s
     0     0    8.49619    0   38    7.00000    8.49619  21.4%     -    0s
     0     0    8.48154    0   38    7.00000    8.48154  21.2%     -    0s
     0     0    8.47510    0   38    7.00000    8.47510  21.1%     -    0s
     0     0    8.46357    0   35    7.00000    8.46357  20.9%     -    0s
     0     0    8.42180    0   40    7.00000    8.42180  20.3%     -    0s
     0     0    8.38470    0   39    7.00000    8.38470  19.8%     -    0s
     0     0    8.37575    0   40    7.00000    8.37575  19.7%     -    0s
     0     0    8.36842    0   37    7.00000    8.36842  19.5%     -    0s
     0     0    8.35849    0   40    7.00000    8.35849  19.4%     -    0s
     0     0    8.35751    0   40    7.00000    8.35751  19.4%     -    0s
     0     0    8.35731    0   40    7.00000    8.35731  19.4%     -    0s
     0     2    8.35498    0   40    7.00000    8.35498  19.4%     -    0s

Cutting planes:
  Clique: 14
  Zero half: 8

Explored 9 nodes (420 simplex iterations) in 0.06 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%