Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:08 2012 Optimize a model with 19 rows, 44 columns and 44 nonzeros Model has 36 quadratic constraints Presolve time: 0.21s Presolved: 19 rows, 44 columns, 44 nonzeros Variable types: 36 continuous, 8 integer (8 binary) Root relaxation: objective 0.000000e+00, 4 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 10.0000000 - - - 0s 0 0 0.00000 0 6 10.00000 0.00000 100% - 0s 0 0 0.25000 0 8 10.00000 0.25000 97.5% - 0s 0 0 0.25000 0 8 10.00000 0.25000 97.5% - 0s 0 2 0.25000 0 8 10.00000 0.25000 97.5% - 0s * 8 8 5 8.0000000 4.00000 50.0% 8.4 0s * 21 3 4 7.0000000 5.75000 17.9% 6.2 0s Cutting planes: Gomory: 1 Explored 26 nodes (193 simplex iterations) in 0.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%