Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:07:34 2012

Optimize a model with 2288 rows, 462 columns and 7222 nonzeros
Presolve removed 1283 rows and 2 columns
Presolve time: 0.06s
Presolved: 1026 rows, 460 columns, 5677 nonzeros
Variable types: 0 continuous, 460 integer (460 binary)
Found heuristic solution: objective 21.0000000

Root relaxation: objective 5.000000e+00, 1995 iterations, 0.13 seconds

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

     0     0    5.00000    0   81   21.00000    5.00000  76.2%     -    0s
H    0     0                       6.0000000    5.00000  16.7%     -    0s
     0     0    5.00000    0   65    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0  123    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   60    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   66    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   78    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   55    6.00000    5.00000  16.7%     -    1s
     0     0    5.00000    0   40    6.00000    5.00000  16.7%     -    1s
     0     0    5.00000    0   55    6.00000    5.00000  16.7%     -    1s
     0     0    5.00000    0   77    6.00000    5.00000  16.7%     -    1s
     0     0    5.00000    0   54    6.00000    5.00000  16.7%     -    1s
     0     2    5.00000    0   54    6.00000    5.00000  16.7%     -    1s
    14    13    5.00000   10   69    6.00000    5.00000  16.7%  1318    5s

Cutting planes:
  Gomory: 6
  Clique: 24
  Zero half: 20

Explored 90 nodes (42963 simplex iterations) in 6.10 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%