Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:38 2012 Optimize a model with 136 rows, 435 columns and 435 nonzeros Model has 270 quadratic constraints Presolve removed 0 rows and 34 columns Presolve time: 1.58s Presolved: 136 rows, 401 columns, 401 nonzeros Variable types: 270 continuous, 131 integer (130 binary) Root relaxation: objective 0.000000e+00, 49 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 67.0000000 - - - 1s 0 0 0.00000 0 2 67.00000 0.00000 100% - 1s 0 0 0.00000 0 2 67.00000 0.00000 100% - 1s 0 0 0.00000 0 88 67.00000 0.00000 100% - 1s 0 2 0.00000 0 88 67.00000 0.00000 100% - 1s H 27 27 7.0000000 1.08333 84.5% 30.1 1s * 35 12 5 5.0000000 1.10204 78.0% 25.2 1s H 510 58 5.0000000 4.33333 13.3% 9.7 1s Cutting planes: Explored 607 nodes (6676 simplex iterations) in 1.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.999999999124e+00, best bound 4.999999999124e+00, gap 0.0%