Gurobi 5.0.1 (linux64) logging started Fri Nov 16 07:42:18 2012
Optimize a model with 11036 rows, 3906 columns and 36766 nonzeros
Presolve removed 1 rows and 62 columns
Presolve time: 0.09s
Presolved: 11035 rows, 3844 columns, 36968 nonzeros
Variable types: 0 continuous, 3844 integer (3844 binary)
Found heuristic solution: objective 40.0000000
Root relaxation: objective 2.000000e+00, 3748 iterations, 0.14 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 2.00000 0 122 40.00000 2.00000 95.0% - 0s
H 0 0 9.0000000 2.00000 77.8% - 0s
H 0 0 5.0000000 2.00000 60.0% - 1s
0 0 2.00000 0 122 5.00000 2.00000 60.0% - 2s
0 0 2.00000 0 122 5.00000 2.00000 60.0% - 7s
0 0 2.00000 0 122 5.00000 2.00000 60.0% - 12s
0 0 2.00000 0 122 5.00000 2.00000 60.0% - 17s
H 0 0 4.0000000 2.00000 50.0% - 19s
0 0 2.00000 0 122 4.00000 2.00000 50.0% - 23s
0 0 2.00000 0 122 4.00000 2.00000 50.0% - 27s
0 2 2.00000 0 122 4.00000 2.00000 50.0% - 37s
1 3 3.00000 1 509 4.00000 2.00000 50.0% 25417 44s
2 4 3.00000 1 122 4.00000 3.00000 25.0% 28744 54s
4 6 3.00000 3 116 4.00000 3.00000 25.0% 15235 55s
12 6 cutoff 6 4.00000 3.00000 25.0% 6356 60s
18 6 3.00000 4 456 4.00000 3.00000 25.0% 5236 65s
61 5 cutoff 8 4.00000 3.00000 25.0% 2028 70s
81 3 3.00000 2 716 4.00000 3.00000 25.0% 1854 75s
Cutting planes:
Clique: 148
Explored 109 nodes (239696 simplex iterations) in 77.87 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%