Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:34:08 2012 Optimize a model with 130 rows, 419 columns and 419 nonzeros Model has 258 quadratic constraints Presolve removed 0 rows and 32 columns Presolve time: 1.51s Presolved: 130 rows, 387 columns, 387 nonzeros Variable types: 258 continuous, 129 integer (128 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 34 58.00000 0.00000 100% - 1s 0 0 0.00000 0 38 58.00000 0.00000 100% - 1s 0 0 0.00000 0 73 58.00000 0.00000 100% - 1s 0 2 0.00000 0 73 58.00000 0.00000 100% - 1s * 11 11 7 2.0000000 0.57692 71.2% 45.5 1s Cutting planes: Explored 62 nodes (2417 simplex iterations) in 1.59 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%