Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:11:42 2012 Optimize a model with 59 rows, 167 columns and 167 nonzeros Model has 116 quadratic constraints Presolve removed 0 rows and 4 columns Presolve time: 0.68s Presolved: 59 rows, 163 columns, 163 nonzeros Variable types: 116 continuous, 47 integer (46 binary) Root relaxation: objective 0.000000e+00, 21 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 35.0000000 - - - 0s 0 0 0.00000 0 31 35.00000 0.00000 100% - 0s 0 0 0.09009 0 40 35.00000 0.09009 100% - 0s 0 2 0.10997 0 40 35.00000 0.10997 100% - 0s * 14 14 12 9.0000000 0.93333 89.6% 12.6 0s * 38 23 12 7.0000000 1.21429 82.7% 11.8 0s * 50 16 7 5.0000000 1.52445 69.5% 12.9 0s Cutting planes: Gomory: 1 Explored 82 nodes (1561 simplex iterations) in 0.72 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%