Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:18 2012 Optimize a model with 137 rows, 436 columns and 436 nonzeros Model has 272 quadratic constraints Presolve removed 0 rows and 32 columns Presolve time: 1.59s Presolved: 137 rows, 404 columns, 404 nonzeros Variable types: 272 continuous, 132 integer (131 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 64 67.00000 0.00000 100% - 1s 0 0 0.00000 0 114 67.00000 0.00000 100% - 1s 0 0 0.00000 0 90 67.00000 0.00000 100% - 1s 0 2 0.00000 0 90 67.00000 0.00000 100% - 1s * 8 8 5 2.0000000 0.66667 66.7% 67.8 1s Cutting planes: Gomory: 20 Explored 46 nodes (2149 simplex iterations) in 1.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%