Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:45 2012

Optimize a model with 1671 rows, 380 columns and 5299 nonzeros
Presolve removed 990 rows and 2 columns
Presolve time: 0.04s
Presolved: 681 rows, 378 columns, 3650 nonzeros
Variable types: 0 continuous, 378 integer (378 binary)
Found heuristic solution: objective 19.0000000

Root relaxation: objective 5.000000e+00, 630 iterations, 0.02 seconds

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

     0     0    5.00000    0   16   19.00000    5.00000  73.7%     -    0s
H    0     0                       8.0000000    5.00000  37.5%     -    0s
H    0     0                       6.0000000    5.00000  16.7%     -    0s
     0     0    5.00000    0  139    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   46    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   67    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   68    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   39    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   68    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   32    6.00000    5.00000  16.7%     -    0s
     0     2    5.00000    0   32    6.00000    5.00000  16.7%     -    0s

Explored 3 nodes (8298 simplex iterations) in 0.65 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%