Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:42:35 2012 Optimize a model with 83 rows, 207 columns and 207 nonzeros Model has 164 quadratic constraints Presolve time: 0.96s Presolved: 83 rows, 207 columns, 207 nonzeros Variable types: 164 continuous, 43 integer (43 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 40.0000000 - - - 0s 0 0 0.00000 0 3 40.00000 0.00000 100% - 0s 0 0 0.00000 0 33 40.00000 0.00000 100% - 0s 0 0 0.00000 0 19 40.00000 0.00000 100% - 0s 0 2 0.00000 0 15 40.00000 0.00000 100% - 0s * 23 20 17 17.0000000 1.42857 91.6% 25.5 0s * 282 82 11 16.0000000 8.54106 46.6% 16.6 1s Cutting planes: Explored 1270 nodes (17315 simplex iterations) in 1.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%