Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:55:02 2012 Optimize a model with 199 rows, 584 columns and 584 nonzeros Model has 396 quadratic constraints Presolve removed 0 rows and 20 columns Presolve time: 2.31s Presolved: 199 rows, 564 columns, 564 nonzeros Variable types: 396 continuous, 168 integer (167 binary) Root relaxation: objective 0.000000e+00, 71 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 107.0000000 - - - 2s 0 0 0.00000 0 109 107.00000 0.00000 100% - 2s 0 0 0.05270 0 145 107.00000 0.05270 100% - 2s 0 2 0.06132 0 145 107.00000 0.06132 100% - 2s * 34 34 18 10.0000000 1.75904 82.4% 24.2 2s * 62 40 9 9.0000000 2.03226 77.4% 28.6 2s * 82 41 9 8.0000000 2.06316 74.2% 30.5 2s Cutting planes: Gomory: 3 Explored 224 nodes (9039 simplex iterations) in 2.60 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0%