Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:26 2012 Optimize a model with 51 rows, 128 columns and 128 nonzeros Model has 100 quadratic constraints Presolve time: 0.58s Presolved: 51 rows, 128 columns, 128 nonzeros Variable types: 100 continuous, 28 integer (28 binary) Root relaxation: objective 0.000000e+00, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 25.0000000 - - - 0s 0 0 0.00000 0 10 25.00000 0.00000 100% - 0s 0 0 0.00000 0 5 25.00000 0.00000 100% - 0s 0 0 0.00000 0 5 25.00000 0.00000 100% - 0s 0 2 0.00000 0 5 25.00000 0.00000 100% - 0s * 13 13 10 15.0000000 2.36826 84.2% 22.6 0s * 19 12 10 14.0000000 2.36826 83.1% 16.7 0s * 35 14 9 11.0000000 4.66667 57.6% 13.5 0s * 172 6 5 10.0000000 8.90909 10.9% 10.0 0s Cutting planes: Gomory: 1 Explored 181 nodes (1918 simplex iterations) in 0.64 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%