Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:33:01 2012 Optimize a model with 129 rows, 414 columns and 414 nonzeros Model has 256 quadratic constraints Presolve removed 0 rows and 31 columns Presolve time: 1.50s Presolved: 129 rows, 383 columns, 383 nonzeros Variable types: 256 continuous, 127 integer (126 binary) Root relaxation: objective 0.000000e+00, 47 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 58.0000000 - - - 1s 0 0 0.00000 0 4 58.00000 0.00000 100% - 1s 0 0 0.00000 0 47 58.00000 0.00000 100% - 1s 0 0 0.00000 0 2 58.00000 0.00000 100% - 1s 0 2 0.00000 0 2 58.00000 0.00000 100% - 1s * 7 7 4 2.0000000 0.00000 100% 69.1 1s Cutting planes: Explored 51 nodes (2190 simplex iterations) in 1.57 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%