Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:22:07 2012 Optimize a model with 103 rows, 272 columns and 272 nonzeros Model has 204 quadratic constraints Presolve time: 1.19s Presolved: 103 rows, 272 columns, 272 nonzeros Variable types: 204 continuous, 68 integer (68 binary) Root relaxation: objective 0.000000e+00, 34 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 55.0000000 - - - 1s 0 0 0.00000 0 46 55.00000 0.00000 100% - 1s 0 0 0.23651 0 63 55.00000 0.23651 100% - 1s 0 2 0.23700 0 63 55.00000 0.23700 100% - 1s * 23 23 17 14.0000000 2.18889 84.4% 27.5 1s * 209 58 8 13.0000000 7.69697 40.8% 24.0 1s Cutting planes: Gomory: 1 Explored 355 nodes (7992 simplex iterations) in 1.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%