Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:57 2012 Optimize a model with 52 rows, 135 columns and 135 nonzeros Model has 102 quadratic constraints Presolve removed 0 rows and 1 columns Presolve time: 0.59s Presolved: 52 rows, 134 columns, 134 nonzeros Variable types: 102 continuous, 32 integer (31 binary) Root relaxation: objective 0.000000e+00, 16 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 27.0000000 - - - 0s 0 0 0.00000 0 25 27.00000 0.00000 100% - 0s 0 0 0.37742 0 31 27.00000 0.37742 98.6% - 0s H 0 0 24.0000000 0.37742 98.4% - 0s 0 2 0.54000 0 31 24.00000 0.54000 97.8% - 0s * 5 5 4 9.0000000 3.36364 62.6% 27.4 0s Cutting planes: Gomory: 1 Explored 50 nodes (964 simplex iterations) in 0.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%