Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:07:04 2012

Optimize a model with 2059 rows, 420 columns and 6498 nonzeros
Presolve removed 1122 rows and 2 columns
Presolve time: 0.06s
Presolved: 937 rows, 418 columns, 4984 nonzeros
Variable types: 0 continuous, 418 integer (418 binary)
Found heuristic solution: objective 20.0000000

Root relaxation: objective 5.000000e+00, 897 iterations, 0.04 seconds

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

     0     0    5.00000    0   34   20.00000    5.00000  75.0%     -    0s
H    0     0                      18.0000000    5.00000  72.2%     -    0s
H    0     0                      17.0000000    5.00000  70.6%     -    0s
H    0     0                      15.0000000    5.00000  66.7%     -    0s
     0     0    5.00000    0   66   15.00000    5.00000  66.7%     -    0s
H    0     0                       7.0000000    5.00000  28.6%     -    0s
     0     0    5.00000    0   63    7.00000    5.00000  28.6%     -    0s
     0     0    5.00000    0   56    7.00000    5.00000  28.6%     -    0s
H    0     0                       6.0000000    5.00000  16.7%     -    0s
     0     0    5.00000    0  228    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   51    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   65    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   91    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   70    6.00000    5.00000  16.7%     -    0s
     0     2    5.00000    0   51    6.00000    5.00000  16.7%     -    1s

Explored 3 nodes (12897 simplex iterations) in 1.22 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%