Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:26 2012 Optimize a model with 30 rows, 89 columns and 89 nonzeros Model has 58 quadratic constraints Presolve removed 0 rows and 3 columns Presolve time: 0.34s Presolved: 30 rows, 86 columns, 86 nonzeros Variable types: 58 continuous, 28 integer (27 binary) Root relaxation: objective 0.000000e+00, 13 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 17.0000000 - - - 0s 0 0 0.00000 0 14 17.00000 0.00000 100% - 0s 0 0 0.00000 0 15 17.00000 0.00000 100% - 0s 0 0 0.00000 0 2 17.00000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s 0 2 0.00000 0 21 11.00000 0.00000 100% - 0s * 5 5 3 2.0000000 0.66667 66.7% 23.0 0s Cutting planes: Explored 13 nodes (368 simplex iterations) in 0.36 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%