Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:17 2012 Optimize a model with 66 rows, 179 columns and 179 nonzeros Model has 130 quadratic constraints Presolve removed 0 rows and 3 columns Presolve time: 0.76s Presolved: 66 rows, 176 columns, 176 nonzeros Variable types: 130 continuous, 46 integer (45 binary) Root relaxation: objective 0.000000e+00, 21 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 29.0000000 - - - 0s 0 0 0.00000 0 21 29.00000 0.00000 100% - 0s 0 0 0.00000 0 31 29.00000 0.00000 100% - 0s 0 0 0.00000 0 31 29.00000 0.00000 100% - 0s 0 2 0.00000 0 31 29.00000 0.00000 100% - 0s H 8 8 10.0000000 1.60000 84.0% 24.0 0s * 11 11 9 9.0000000 1.60000 82.2% 21.2 0s * 25 13 7 6.0000000 3.29412 45.1% 16.3 0s Cutting planes: Gomory: 2 Explored 60 nodes (1280 simplex iterations) in 0.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%