Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:27 2012 Optimize a model with 43 rows, 127 columns and 127 nonzeros Model has 84 quadratic constraints Presolve removed 0 rows and 7 columns Presolve time: 0.51s Presolved: 43 rows, 120 columns, 120 nonzeros Variable types: 84 continuous, 36 integer (35 binary) Root relaxation: objective 0.000000e+00, 19 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 24.0000000 - - - 0s 0 0 0.00000 0 2 24.00000 0.00000 100% - 0s 0 0 0.00000 0 27 24.00000 0.00000 100% - 0s 0 0 0.00000 0 24 24.00000 0.00000 100% - 0s 0 2 0.00000 0 24 24.00000 0.00000 100% - 0s * 8 8 6 2.0000000 0.94118 52.9% 28.6 0s Cutting planes: Explored 19 nodes (614 simplex iterations) in 0.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%