Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:01 2012 Optimize a model with 40 rows, 117 columns and 117 nonzeros Model has 78 quadratic constraints Presolve removed 0 rows and 3 columns Presolve time: 0.46s Presolved: 40 rows, 114 columns, 114 nonzeros Variable types: 78 continuous, 36 integer (35 binary) Root relaxation: objective 0.000000e+00, 17 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 19.0000000 - - - 0s 0 0 0.00000 0 3 19.00000 0.00000 100% - 0s 0 0 0.00000 0 18 19.00000 0.00000 100% - 0s 0 0 0.00000 0 25 19.00000 0.00000 100% - 0s 0 2 0.00000 0 25 19.00000 0.00000 100% - 0s * 7 7 5 2.0000000 1.00000 50.0% 33.9 0s Cutting planes: Explored 20 nodes (537 simplex iterations) in 0.48 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%