Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:05 2012 Optimize a model with 20 rows, 63 columns and 63 nonzeros Model has 38 quadratic constraints Presolve removed 0 rows and 7 columns Presolve time: 0.23s Presolved: 20 rows, 56 columns, 56 nonzeros Variable types: 38 continuous, 18 integer (17 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 14.0000000 - - - 0s 0 0 0.00000 0 11 14.00000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 0 0.00000 0 10 4.00000 0.00000 100% - 0s 0 0 0.00000 0 16 4.00000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 2 0.00000 0 16 2.00000 0.00000 100% - 0s Cutting planes: Gomory: 9 Explored 19 nodes (308 simplex iterations) in 0.25 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%