Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:55:09 2012 Optimize a model with 180 rows, 546 columns and 546 nonzeros Model has 358 quadratic constraints Presolve removed 0 rows and 20 columns Presolve time: 2.09s Presolved: 180 rows, 526 columns, 526 nonzeros Variable types: 358 continuous, 168 integer (167 binary) Root relaxation: objective 0.000000e+00, 65 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 91.0000000 - - - 2s 0 0 0.00000 0 2 91.00000 0.00000 100% - 2s 0 0 0.00000 0 91 91.00000 0.00000 100% - 2s 0 0 0.00000 0 4 91.00000 0.00000 100% - 2s 0 2 0.00000 0 4 91.00000 0.00000 100% - 2s H 24 18 5.0000000 0.39130 92.2% 40.9 2s Cutting planes: Explored 82 nodes (4198 simplex iterations) in 2.24 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%