Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:46:58 2012 Optimize a model with 110 rows, 264 columns and 264 nonzeros Model has 218 quadratic constraints Presolve time: 1.27s Presolved: 110 rows, 264 columns, 264 nonzeros Variable types: 218 continuous, 46 integer (46 binary) Root relaxation: objective 0.000000e+00, 23 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 56.0000000 - - - 1s 0 0 0.00000 0 16 56.00000 0.00000 100% - 1s 0 0 0.00000 0 21 56.00000 0.00000 100% - 1s 0 0 0.00000 0 20 56.00000 0.00000 100% - 1s 0 2 0.00000 0 20 56.00000 0.00000 100% - 1s * 24 24 17 24.0000000 2.58824 89.2% 27.3 1s H 82 46 22.0000000 5.75000 73.9% 22.7 1s H 553 105 21.0000000 14.25098 32.1% 18.3 1s * 736 71 12 20.0000000 16.05580 19.7% 18.0 1s Cutting planes: Gomory: 1 Explored 866 nodes (15743 simplex iterations) in 1.68 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+01, best bound 2.000000000000e+01, gap 0.0%