Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:54 2012 Optimize a model with 44 rows, 132 columns and 132 nonzeros Model has 86 quadratic constraints Presolve removed 0 rows and 6 columns Presolve time: 0.50s Presolved: 44 rows, 126 columns, 126 nonzeros Variable types: 86 continuous, 40 integer (39 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 4 24.00000 0.00000 100% - 0s 0 0 0.00000 0 8 24.00000 0.00000 100% - 0s 0 0 0.00000 0 3 24.00000 0.00000 100% - 0s 0 2 0.00000 0 2 24.00000 0.00000 100% - 0s * 14 12 10 3.0000000 0.25000 91.7% 17.0 0s Cutting planes: Explored 56 nodes (944 simplex iterations) in 0.53 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%