Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:48 2012 Optimize a model with 71 rows, 186 columns and 186 nonzeros Model has 140 quadratic constraints Presolve removed 0 rows and 2 columns Presolve time: 0.82s Presolved: 71 rows, 184 columns, 184 nonzeros Variable types: 140 continuous, 44 integer (43 binary) Root relaxation: objective 0.000000e+00, 23 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 32.0000000 - - - 0s 0 0 0.00000 0 23 32.00000 0.00000 100% - 0s 0 0 0.00000 0 42 32.00000 0.00000 100% - 0s 0 0 0.00000 0 41 32.00000 0.00000 100% - 0s 0 2 0.00000 0 39 32.00000 0.00000 100% - 0s H 27 27 13.0000000 2.00000 84.6% 27.2 0s H 47 33 12.0000000 2.16667 81.9% 24.0 0s * 124 52 11 11.0000000 4.51613 58.9% 21.2 0s * 219 42 11 10.0000000 6.50000 35.0% 18.8 0s Cutting planes: Gomory: 1 Explored 295 nodes (5528 simplex iterations) in 0.95 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%