Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:33 2012 Optimize a model with 55 rows, 122 columns and 122 nonzeros Model has 108 quadratic constraints Presolve time: 0.64s Presolved: 55 rows, 122 columns, 122 nonzeros Variable types: 108 continuous, 14 integer (14 binary) Root relaxation: objective 0.000000e+00, 7 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 30.0000000 - - - 0s 0 0 0.00000 0 12 30.00000 0.00000 100% - 0s 0 0 0.50000 0 14 30.00000 0.50000 98.3% - 0s 0 0 0.50000 0 14 30.00000 0.50000 98.3% - 0s 0 2 0.55385 0 14 30.00000 0.55385 98.2% - 0s * 17 17 9 22.0000000 5.00000 77.3% 20.5 0s Cutting planes: Gomory: 1 Explored 190 nodes (3024 simplex iterations) in 0.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%