Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:08:51 2012 Optimize a model with 202 rows, 607 columns and 607 nonzeros Model has 402 quadratic constraints Presolve removed 0 rows and 30 columns Presolve time: 2.35s Presolved: 202 rows, 577 columns, 577 nonzeros Variable types: 402 continuous, 175 integer (174 binary) Root relaxation: objective 0.000000e+00, 71 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 99.0000000 - - - 2s 0 0 0.00000 0 11 99.00000 0.00000 100% - 2s 0 0 0.00000 0 3 99.00000 0.00000 100% - 2s 0 0 0.00000 0 83 99.00000 0.00000 100% - 2s 0 2 0.00000 0 82 99.00000 0.00000 100% - 2s * 21 21 14 13.0000000 1.40814 89.2% 60.5 2s * 80 25 10 10.0000000 1.87500 81.2% 23.6 2s * 96 22 13 7.0000000 1.93333 72.4% 22.6 2s Cutting planes: Explored 192 nodes (6514 simplex iterations) in 2.61 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%