Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:39 2012 Optimize a model with 19 rows, 52 columns and 52 nonzeros Model has 36 quadratic constraints Presolve time: 0.21s Presolved: 19 rows, 52 columns, 52 nonzeros Variable types: 36 continuous, 16 integer (16 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 12.0000000 - - - 0s 0 0 0.00000 0 12 12.00000 0.00000 100% - 0s 0 0 0.23744 0 15 12.00000 0.23744 98.0% - 0s H 0 0 11.0000000 0.23744 97.8% - 0s 0 2 0.27586 0 15 11.00000 0.27586 97.5% - 0s * 4 4 4 3.0000000 1.25000 58.3% 10.8 0s * 6 2 3 2.0000000 1.25000 37.5% 7.7 0s Cutting planes: Gomory: 1 Explored 11 nodes (167 simplex iterations) in 0.22 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%