Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:51:59 2012 Optimize a model with 125 rows, 295 columns and 295 nonzeros Model has 248 quadratic constraints Presolve time: 1.44s Presolved: 125 rows, 295 columns, 295 nonzeros Variable types: 248 continuous, 47 integer (47 binary) Root relaxation: objective 0.000000e+00, 23 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 65.0000000 - - - 1s 0 0 0.00000 0 21 65.00000 0.00000 100% - 1s 0 0 0.00000 0 40 65.00000 0.00000 100% - 1s 0 0 0.00000 0 39 65.00000 0.00000 100% - 1s 0 2 0.00000 0 36 65.00000 0.00000 100% - 1s * 47 45 26 34.0000000 5.21739 84.7% 25.0 1s H 81 64 33.0000000 5.24324 84.1% 25.2 1s H 103 56 26.0000000 7.66667 70.5% 24.7 1s * 404 114 14 25.0000000 14.87879 40.5% 28.6 1s H 502 88 24.0000000 17.66667 26.4% 28.5 1s Cutting planes: Gomory: 1 Explored 705 nodes (19393 simplex iterations) in 1.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.400000000024e+01, best bound 2.400000000024e+01, gap 0.0%