Gurobi 5.0.1 (linux64) logging started Fri Nov 16 06:15:47 2012
Optimize a model with 8874 rows, 3422 columns and 29812 nonzeros
Presolve time: 0.08s
Presolved: 8874 rows, 3422 columns, 30126 nonzeros
Variable types: 0 continuous, 3422 integer (3422 binary)
Found heuristic solution: objective 38.0000000
Root relaxation: objective 2.000000e+00, 3089 iterations, 0.09 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 2.00000 0 116 38.00000 2.00000 94.7% - 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 0 116 5.00000 2.00000 60.0% - 1s
0 0 2.00000 0 116 5.00000 2.00000 60.0% - 4s
H 0 0 4.0000000 2.00000 50.0% - 4s
0 0 2.00000 0 116 4.00000 2.00000 50.0% - 7s
0 0 2.00000 0 116 4.00000 2.00000 50.0% - 9s
0 0 2.00000 0 116 4.00000 2.00000 50.0% - 12s
0 0 2.00000 0 116 4.00000 2.00000 50.0% - 15s
0 2 2.00000 0 116 4.00000 2.00000 50.0% - 28s
1 3 3.00000 1 552 4.00000 2.00000 50.0% 19633 33s
2 4 3.00000 1 403 4.00000 3.00000 25.0% 14380 36s
24 4 3.00000 3 261 4.00000 3.00000 25.0% 1987 40s
57 1 cutoff 7 4.00000 3.00000 25.0% 1299 45s
Cutting planes:
Clique: 115
Explored 59 nodes (132445 simplex iterations) in 45.01 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%