Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:48 2012 Optimize a model with 20 rows, 58 columns and 58 nonzeros Model has 38 quadratic constraints Presolve removed 0 rows and 1 columns Presolve time: 0.22s Presolved: 20 rows, 57 columns, 57 nonzeros Variable types: 38 continuous, 19 integer (18 binary) Root relaxation: objective 0.000000e+00, 9 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 12.0000000 - - - 0s 0 0 0.00000 0 9 12.00000 0.00000 100% - 0s 0 0 0.00000 0 15 12.00000 0.00000 100% - 0s 0 0 0.00000 0 14 12.00000 0.00000 100% - 0s 0 2 0.00000 0 14 12.00000 0.00000 100% - 0s * 5 3 4 2.0000000 1.75000 12.5% 9.8 0s Cutting planes: Gomory: 1 Explored 9 nodes (201 simplex iterations) in 0.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%