Gurobi 5.0.1 (linux64) logging started Fri Nov 16 13:21:56 2012
Optimize a model with 20293 rows, 5402 columns and 65917 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.70s
Presolved: 20364 rows, 5400 columns, 70690 nonzeros
Variable types: 0 continuous, 5400 integer (5400 binary)
Found heuristic solution: objective 73.0000000
Root relaxation: objective 2.000000e+00, 3915 iterations, 0.15 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 2.00000 0 146 73.00000 2.00000 97.3% - 1s
H 0 0 64.0000000 2.00000 96.9% - 1s
H 0 0 5.0000000 2.00000 60.0% - 1s
0 0 2.66667 0 209 5.00000 2.66667 46.7% - 12s
0 0 2.66981 0 5023 5.00000 2.66981 46.6% - 12s
0 0 2.66981 0 5005 5.00000 2.66981 46.6% - 15s
0 0 2.66981 0 5000 5.00000 2.66981 46.6% - 16s
0 0 2.66981 0 5020 5.00000 2.66981 46.6% - 17s
0 0 2.66981 0 4564 5.00000 2.66981 46.6% - 20s
0 0 2.66981 0 4464 5.00000 2.66981 46.6% - 22s
0 0 2.66981 0 4470 5.00000 2.66981 46.6% - 23s
0 0 2.66981 0 4450 5.00000 2.66981 46.6% - 25s
0 0 2.66981 0 4446 5.00000 2.66981 46.6% - 26s
0 0 2.66981 0 4461 5.00000 2.66981 46.6% - 27s
0 0 2.66981 0 4439 5.00000 2.66981 46.6% - 29s
0 0 2.66981 0 4508 5.00000 2.66981 46.6% - 31s
0 0 2.66981 0 4509 5.00000 2.66981 46.6% - 32s
0 0 2.66981 0 4509 5.00000 2.66981 46.6% - 33s
0 2 2.80000 0 4509 5.00000 2.80000 44.0% - 90s
* 38 2 13 4.0000000 4.00000 0.0% 279 94s
Cutting planes:
Clique: 165
Zero half: 18
Explored 39 nodes (75362 simplex iterations) in 94.18 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%