Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:34 2012 Optimize a model with 34 rows, 99 columns and 99 nonzeros Model has 66 quadratic constraints Presolve removed 0 rows and 3 columns Presolve time: 0.39s Presolved: 34 rows, 96 columns, 96 nonzeros Variable types: 66 continuous, 30 integer (29 binary) Root relaxation: objective 0.000000e+00, 15 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 12 17.00000 0.00000 100% - 0s 0 0 0.00000 0 16 17.00000 0.00000 100% - 0s 0 0 0.00000 0 16 17.00000 0.00000 100% - 0s 0 2 0.00000 0 16 17.00000 0.00000 100% - 0s * 13 13 10 6.0000000 1.37500 77.1% 11.3 0s * 15 13 11 5.0000000 1.37500 72.5% 11.3 0s * 35 2 3 2.0000000 1.60000 20.0% 6.8 0s Cutting planes: Gomory: 2 Explored 38 nodes (461 simplex iterations) in 0.40 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%