Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:51 2012 Optimize a model with 25 rows, 69 columns and 69 nonzeros Model has 48 quadratic constraints Presolve time: 0.28s Presolved: 25 rows, 69 columns, 69 nonzeros Variable types: 48 continuous, 21 integer (21 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 11.0000000 - - - 0s 0 0 0.00000 0 14 11.00000 0.00000 100% - 0s 0 0 0.17778 0 18 11.00000 0.17778 98.4% - 0s 0 2 0.40000 0 18 11.00000 0.40000 96.4% - 0s * 6 6 6 4.0000000 1.00000 75.0% 6.7 0s * 21 1 3 3.0000000 2.00000 33.3% 6.5 0s Cutting planes: Gomory: 1 Explored 23 nodes (254 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%