Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:49 2012 Optimize a model with 19 rows, 56 columns and 56 nonzeros Model has 36 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 0.21s Presolved: 19 rows, 54 columns, 54 nonzeros Variable types: 36 continuous, 18 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 11 11.00000 0.00000 100% - 0s 0 0 0.00000 0 2 11.00000 0.00000 100% - 0s 0 0 0.00000 0 16 11.00000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 2 0.00000 0 16 4.00000 0.00000 100% - 0s * 6 6 5 3.0000000 1.00000 66.7% 11.8 0s * 12 3 3 2.0000000 1.09091 45.5% 8.2 0s Cutting planes: Explored 18 nodes (297 simplex iterations) in 0.23 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%