Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:30 2012 Optimize a model with 53 rows, 147 columns and 147 nonzeros Model has 104 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 0.61s Presolved: 53 rows, 145 columns, 145 nonzeros Variable types: 104 continuous, 41 integer (40 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 26.0000000 - - - 0s 0 0 0.00000 0 5 26.00000 0.00000 100% - 0s 0 0 0.00000 0 8 26.00000 0.00000 100% - 0s 0 0 0.00000 0 8 26.00000 0.00000 100% - 0s 0 2 0.00000 0 8 26.00000 0.00000 100% - 0s H 8 8 7.0000000 1.08000 84.6% 47.2 0s * 11 11 8 6.0000000 1.08000 82.0% 35.0 0s Cutting planes: Gomory: 2 Explored 128 nodes (1646 simplex iterations) in 0.65 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%