Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:51:33 2012 Optimize a model with 164 rows, 507 columns and 507 nonzeros Model has 326 quadratic constraints Presolve removed 0 rows and 28 columns Presolve time: 1.90s Presolved: 164 rows, 479 columns, 479 nonzeros Variable types: 326 continuous, 153 integer (152 binary) Root relaxation: objective 0.000000e+00, 59 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 86.0000000 - - - 1s 0 0 0.00000 0 3 86.00000 0.00000 100% - 1s 0 0 0.00000 0 2 86.00000 0.00000 100% - 1s 0 0 0.00000 0 73 86.00000 0.00000 100% - 1s 0 2 0.00000 0 70 86.00000 0.00000 100% - 1s H 40 40 12.0000000 0.28758 97.6% 25.6 2s * 59 52 43 11.0000000 0.28758 97.4% 19.4 2s * 67 29 6 5.0000000 1.00694 79.9% 18.5 2s Cutting planes: Explored 201 nodes (4502 simplex iterations) in 2.08 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%