Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:23 2012 Optimize a model with 66 rows, 184 columns and 184 nonzeros Model has 130 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 0.77s Presolved: 66 rows, 182 columns, 182 nonzeros Variable types: 130 continuous, 52 integer (51 binary) Root relaxation: objective 0.000000e+00, 27 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 24.0000000 - - - 0s 0 0 0.00000 0 12 24.00000 0.00000 100% - 0s 0 0 0.00000 0 29 24.00000 0.00000 100% - 0s 0 0 0.00000 0 26 24.00000 0.00000 100% - 0s 0 2 0.00000 0 43 24.00000 0.00000 100% - 0s * 26 26 19 7.0000000 1.53333 78.1% 18.5 0s * 57 19 14 6.0000000 1.60976 73.2% 15.2 0s Cutting planes: Explored 118 nodes (2476 simplex iterations) in 0.84 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%