Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:40 2012 Optimize a model with 18 rows, 51 columns and 51 nonzeros Model has 34 quadratic constraints Presolve time: 0.20s Presolved: 18 rows, 51 columns, 51 nonzeros Variable types: 34 continuous, 17 integer (17 binary) Root relaxation: objective 0.000000e+00, 8 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 11.0000000 - - - 0s 0 0 0.00000 0 8 11.00000 0.00000 100% - 0s 0 0 0.00000 0 16 11.00000 0.00000 100% - 0s 0 0 0.00000 0 16 11.00000 0.00000 100% - 0s 0 2 0.00000 0 16 11.00000 0.00000 100% - 0s * 7 7 5 2.0000000 0.88889 55.6% 14.4 0s H 16 0 1.0000000 1.00000 0.0% 7.8 0s Cutting planes: Explored 16 nodes (282 simplex iterations) in 0.21 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%