Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:43:47 2012 Optimize a model with 100 rows, 242 columns and 242 nonzeros Model has 198 quadratic constraints Presolve time: 1.15s Presolved: 100 rows, 242 columns, 242 nonzeros Variable types: 198 continuous, 44 integer (44 binary) Root relaxation: objective 0.000000e+00, 22 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 48.0000000 - - - 1s 0 0 0.00000 0 22 48.00000 0.00000 100% - 1s 0 0 0.00000 0 41 48.00000 0.00000 100% - 1s 0 0 0.00000 0 41 48.00000 0.00000 100% - 1s 0 2 0.00000 0 41 48.00000 0.00000 100% - 1s * 25 25 14 22.0000000 4.06250 81.5% 27.2 1s * 109 66 10 20.0000000 6.00000 70.0% 27.3 1s * 334 47 13 19.0000000 13.44777 29.2% 24.9 1s Cutting planes: Explored 468 nodes (11044 simplex iterations) in 1.42 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.900000000000e+01, best bound 1.900000000000e+01, gap 0.0%