Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:07:08 2012
Optimize a model with 1999 rows, 420 columns and 6318 nonzeros
Presolve removed 1082 rows and 2 columns
Presolve time: 0.05s
Presolved: 937 rows, 418 columns, 4966 nonzeros
Variable types: 0 continuous, 418 integer (418 binary)
Found heuristic solution: objective 20.0000000
Root relaxation: objective 5.000000e+00, 1652 iterations, 0.09 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 5.00000 0 46 20.00000 5.00000 75.0% - 0s
H 0 0 13.0000000 5.00000 61.5% - 0s
H 0 0 12.0000000 5.00000 58.3% - 0s
0 0 5.00000 0 262 12.00000 5.00000 58.3% - 0s
H 0 0 9.0000000 5.00000 44.4% - 0s
H 0 0 7.0000000 5.00000 28.6% - 0s
0 0 5.00000 0 86 7.00000 5.00000 28.6% - 0s
0 0 5.00000 0 94 7.00000 5.00000 28.6% - 0s
H 0 0 6.0000000 5.00000 16.7% - 0s
0 0 5.00000 0 94 6.00000 5.00000 16.7% - 0s
0 0 5.00000 0 42 6.00000 5.00000 16.7% - 0s
0 0 5.00000 0 70 6.00000 5.00000 16.7% - 1s
0 0 5.00000 0 43 6.00000 5.00000 16.7% - 1s
0 0 5.00000 0 65 6.00000 5.00000 16.7% - 1s
0 0 5.00000 0 64 6.00000 5.00000 16.7% - 1s
0 2 5.00000 0 43 6.00000 5.00000 16.7% - 1s
Cutting planes:
Gomory: 4
Clique: 13
Zero half: 45
Explored 4 nodes (20331 simplex iterations) in 1.90 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%