Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:52 2012 Optimize a model with 28 rows, 75 columns and 75 nonzeros Model has 54 quadratic constraints Presolve time: 0.32s Presolved: 28 rows, 75 columns, 75 nonzeros Variable types: 54 continuous, 21 integer (21 binary) Root relaxation: objective 0.000000e+00, 10 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 16.0000000 - - - 0s 0 0 0.00000 0 8 16.00000 0.00000 100% - 0s 0 0 0.00000 0 11 16.00000 0.00000 100% - 0s 0 0 0.00000 0 11 16.00000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s 0 2 0.41667 0 17 14.00000 0.41667 97.0% - 0s * 9 9 5 6.0000000 0.50000 91.7% 11.8 0s * 12 9 6 5.0000000 0.50000 90.0% 9.9 0s Cutting planes: Gomory: 1 Explored 41 nodes (434 simplex iterations) in 0.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%