Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:31 2012 Optimize a model with 63 rows, 174 columns and 174 nonzeros Model has 124 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 0.72s Presolved: 63 rows, 172 columns, 172 nonzeros Variable types: 124 continuous, 48 integer (47 binary) Root relaxation: objective 0.000000e+00, 25 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 33.0000000 - - - 0s 0 0 0.00000 0 2 33.00000 0.00000 100% - 0s 0 0 0.00000 0 37 33.00000 0.00000 100% - 0s 0 0 0.00000 0 23 33.00000 0.00000 100% - 0s 0 2 0.00000 0 23 33.00000 0.00000 100% - 0s * 20 14 15 8.0000000 2.00000 75.0% 17.9 0s H 43 13 5.0000000 2.06250 58.7% 14.1 0s Cutting planes: Explored 92 nodes (1716 simplex iterations) in 0.77 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.999999999769e+00, best bound 4.999999999769e+00, gap 0.0%