Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:12:32 2012 Optimize a model with 69 rows, 191 columns and 191 nonzeros Model has 136 quadratic constraints Presolve removed 0 rows and 5 columns Presolve time: 0.80s Presolved: 69 rows, 186 columns, 186 nonzeros Variable types: 136 continuous, 50 integer (49 binary) Root relaxation: objective 0.000000e+00, 22 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 38.0000000 - - - 0s 0 0 0.00000 0 3 38.00000 0.00000 100% - 0s 0 0 0.00000 0 44 38.00000 0.00000 100% - 0s 0 0 0.00000 0 21 38.00000 0.00000 100% - 0s 0 2 0.00000 0 4 38.00000 0.00000 100% - 0s * 24 22 15 9.0000000 0.00000 100% 29.8 0s H 41 27 8.0000000 0.90476 88.7% 22.5 0s * 55 30 10 7.0000000 0.95455 86.4% 19.9 0s Cutting planes: Explored 292 nodes (5678 simplex iterations) in 0.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%