Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:33:35 2012 Optimize a model with 130 rows, 418 columns and 418 nonzeros Model has 258 quadratic constraints Presolve removed 0 rows and 27 columns Presolve time: 1.51s Presolved: 130 rows, 391 columns, 391 nonzeros Variable types: 258 continuous, 133 integer (132 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 63.0000000 - - - 1s 0 0 0.00000 0 8 63.00000 0.00000 100% - 1s 0 0 0.00000 0 10 63.00000 0.00000 100% - 1s 0 0 0.00000 0 92 63.00000 0.00000 100% - 1s 0 2 0.00000 0 92 63.00000 0.00000 100% - 1s * 6 6 5 2.0000000 0.86429 56.8% 90.8 1s Cutting planes: Explored 15 nodes (2240 simplex iterations) in 1.60 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%