Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:13 2012 Optimize a model with 47 rows, 140 columns and 140 nonzeros Model has 92 quadratic constraints Presolve removed 0 rows and 7 columns Presolve time: 0.54s Presolved: 47 rows, 133 columns, 133 nonzeros Variable types: 92 continuous, 41 integer (40 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 23.0000000 - - - 0s 0 0 0.00000 0 6 23.00000 0.00000 100% - 0s 0 0 0.00000 0 34 23.00000 0.00000 100% - 0s 0 0 0.00000 0 34 23.00000 0.00000 100% - 0s H 0 0 20.0000000 0.00000 100% - 0s 0 2 0.00000 0 34 20.00000 0.00000 100% - 0s * 10 9 7 3.0000000 0.94118 68.6% 26.0 0s * 28 3 2 2.0000000 1.33333 33.3% 11.4 0s Cutting planes: Explored 33 nodes (713 simplex iterations) in 0.56 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%