Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:55 2012 Optimize a model with 101 rows, 220 columns and 220 nonzeros Model has 200 quadratic constraints Presolve time: 1.16s Presolved: 101 rows, 220 columns, 220 nonzeros Variable types: 200 continuous, 20 integer (20 binary) Root relaxation: objective 0.000000e+00, 10 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 49.0000000 - - - 1s 0 0 0.00000 0 14 49.00000 0.00000 100% - 1s 0 0 0.40000 0 20 49.00000 0.40000 99.2% - 1s 0 0 0.40000 0 20 49.00000 0.40000 99.2% - 1s 0 2 0.40000 0 20 49.00000 0.40000 99.2% - 1s * 23 23 13 41.0000000 6.35000 84.5% 29.0 1s * 68 37 10 39.0000000 12.97647 66.7% 29.6 1s Cutting planes: Gomory: 1 Explored 522 nodes (12408 simplex iterations) in 1.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.900000000000e+01, best bound 3.900000000000e+01, gap 0.0%