Gurobi 5.0.1 (linux64) logging started Fri Nov 16 05:26:27 2012
Optimize a model with 8470 rows, 3080 columns and 28270 nonzeros
Presolve time: 0.08s
Presolved: 8470 rows, 3080 columns, 28642 nonzeros
Variable types: 0 continuous, 3080 integer (3080 binary)
Found heuristic solution: objective 29.0000000
Root relaxation: objective 2.000000e+00, 2804 iterations, 0.06 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 2.00000 0 110 29.00000 2.00000 93.1% - 0s
H 0 0 12.0000000 2.00000 83.3% - 0s
H 0 0 5.0000000 2.00000 60.0% - 0s
0 0 2.00000 0 110 5.00000 2.00000 60.0% - 0s
0 0 2.00000 0 110 5.00000 2.00000 60.0% - 3s
0 0 2.00000 0 110 5.00000 2.00000 60.0% - 6s
H 0 0 4.0000000 2.00000 50.0% - 6s
0 0 2.00000 0 110 4.00000 2.00000 50.0% - 9s
0 0 2.00000 0 110 4.00000 2.00000 50.0% - 11s
0 0 2.00000 0 110 4.00000 2.00000 50.0% - 13s
0 2 2.00000 0 110 4.00000 2.00000 50.0% - 19s
1 3 3.00000 1 533 4.00000 2.00000 50.0% 18444 23s
2 4 3.00000 1 389 4.00000 3.00000 25.0% 21226 30s
41 3 cutoff 4 4.00000 3.00000 25.0% 1664 35s
59 1 cutoff 5 4.00000 3.00000 25.0% 1530 40s
Cutting planes:
Clique: 130
Zero half: 14
Explored 65 nodes (145973 simplex iterations) in 40.93 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%