Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:06:47 2012

Optimize a model with 1671 rows, 380 columns and 5299 nonzeros
Presolve removed 990 rows and 2 columns
Presolve time: 0.04s
Presolved: 700 rows, 378 columns, 4011 nonzeros
Variable types: 0 continuous, 378 integer (378 binary)
Found heuristic solution: objective 19.0000000

Root relaxation: objective 5.000000e+00, 899 iterations, 0.03 seconds

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

     0     0    5.00000    0   20   19.00000    5.00000  73.7%     -    0s
H    0     0                       7.0000000    5.00000  28.6%     -    0s
H    0     0                       6.0000000    5.00000  16.7%     -    0s
     0     0    5.00000    0   60    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   70    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   75    6.00000    5.00000  16.7%     -    0s
     0     0    5.00000    0   18    6.00000    5.00000  16.7%     -    0s
     0     0 infeasible    0         6.00000    5.00001  16.7%     -    0s

Cutting planes:
  Gomory: 1
  Clique: 8
  Zero half: 10

Explored 0 nodes (5336 simplex iterations) in 0.33 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%