Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:28:07 2012 Optimize a model with 129 rows, 410 columns and 410 nonzeros Model has 256 quadratic constraints Presolve removed 0 rows and 23 columns Presolve time: 1.49s Presolved: 129 rows, 387 columns, 387 nonzeros Variable types: 256 continuous, 131 integer (130 binary) Root relaxation: objective 0.000000e+00, 47 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 58.0000000 - - - 1s 0 0 0.00000 0 12 58.00000 0.00000 100% - 1s 0 0 0.00000 0 18 58.00000 0.00000 100% - 1s 0 0 0.00000 0 18 58.00000 0.00000 100% - 1s 0 2 0.00000 0 18 58.00000 0.00000 100% - 1s * 13 13 11 5.0000000 0.17889 96.4% 46.2 1s * 22 19 17 3.0000000 0.17889 94.0% 33.5 1s Cutting planes: Gomory: 2 Explored 306 nodes (3144 simplex iterations) in 1.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%