Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:27 2012 Optimize a model with 44 rows, 99 columns and 99 nonzeros Model has 86 quadratic constraints Presolve time: 0.50s Presolved: 44 rows, 99 columns, 99 nonzeros Variable types: 86 continuous, 13 integer (13 binary) Root relaxation: objective 0.000000e+00, 6 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 25.0000000 - - - 0s 0 0 0.00000 0 12 25.00000 0.00000 100% - 0s 0 0 0.53846 0 13 25.00000 0.53846 97.8% - 0s 0 2 0.90000 0 13 25.00000 0.90000 96.4% - 0s * 14 14 9 20.0000000 3.11429 84.4% 11.5 0s * 17 11 8 19.0000000 3.11429 83.6% 10.2 0s * 56 24 8 17.0000000 6.80000 60.0% 8.5 0s Cutting planes: Gomory: 1 Explored 138 nodes (1164 simplex iterations) in 0.54 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%