Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:08:59 2012 Optimize a model with 20 rows, 60 columns and 60 nonzeros Model has 38 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 0.23s Presolved: 20 rows, 58 columns, 58 nonzeros Variable types: 38 continuous, 20 integer (19 binary) Root relaxation: objective 0.000000e+00, 11 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 10.0000000 - - - 0s 0 0 0.00000 0 7 10.00000 0.00000 100% - 0s 0 0 0.00000 0 11 10.00000 0.00000 100% - 0s 0 0 0.00000 0 10 10.00000 0.00000 100% - 0s 0 2 0.00000 0 10 10.00000 0.00000 100% - 0s * 9 8 7 2.0000000 0.83333 58.3% 6.3 0s * 17 0 3 1.0000000 1.00000 0.0% 4.2 0s Cutting planes: Gomory: 1 Explored 18 nodes (175 simplex iterations) in 0.24 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%