Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:34:05 2012 Optimize a model with 130 rows, 419 columns and 419 nonzeros Model has 258 quadratic constraints Presolve removed 0 rows and 29 columns Presolve time: 1.51s Presolved: 130 rows, 390 columns, 390 nonzeros Variable types: 258 continuous, 132 integer (131 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 62.0000000 - - - 1s 0 0 0.00000 0 2 62.00000 0.00000 100% - 1s 0 0 0.00000 0 23 62.00000 0.00000 100% - 1s 0 0 0.00000 0 2 62.00000 0.00000 100% - 1s 0 2 0.00000 0 79 62.00000 0.00000 100% - 1s * 8 7 6 2.0000000 0.52747 73.6% 81.0 1s H 54 18 2.0000000 0.70000 65.0% 16.2 1s Cutting planes: Explored 112 nodes (2276 simplex iterations) in 1.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.999999998963e+00, best bound 1.999999998963e+00, gap 0.0%