Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:37:22 2012 Optimize a model with 165 rows, 497 columns and 497 nonzeros Model has 328 quadratic constraints Presolve removed 0 rows and 25 columns Presolve time: 1.91s Presolved: 165 rows, 472 columns, 472 nonzeros Variable types: 328 continuous, 144 integer (143 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 77.0000000 - - - 1s 0 0 0.00000 0 7 77.00000 0.00000 100% - 1s 0 0 0.00000 0 2 77.00000 0.00000 100% - 1s 0 0 0.00000 0 63 77.00000 0.00000 100% - 1s 0 2 0.00000 0 108 77.00000 0.00000 100% - 1s * 12 12 7 7.0000000 1.23588 82.3% 66.3 2s H 245 30 7.0000000 5.84615 16.5% 19.4 2s Cutting planes: Explored 305 nodes (6501 simplex iterations) in 2.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.999999998994e+00, best bound 6.999999998994e+00, gap 0.0%