Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:53:47 2012 Optimize a model with 92 rows, 202 columns and 202 nonzeros Model has 182 quadratic constraints Presolve time: 1.06s Presolved: 92 rows, 202 columns, 202 nonzeros Variable types: 182 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 51.0000000 - - - 1s 0 0 0.00000 0 16 51.00000 0.00000 100% - 1s 0 0 0.37500 0 20 51.00000 0.37500 99.3% - 1s 0 0 0.37500 0 20 51.00000 0.37500 99.3% - 1s 0 2 0.37500 0 20 51.00000 0.37500 99.3% - 1s * 25 25 14 38.0000000 5.00000 86.8% 27.9 1s * 27 22 13 36.0000000 5.00000 86.1% 26.1 1s * 512 103 9 35.0000000 22.05556 37.0% 21.1 1s Cutting planes: Gomory: 1 Explored 885 nodes (18329 simplex iterations) in 1.45 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.500000000000e+01, best bound 3.500000000000e+01, gap 0.0%