Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:56:15 2012 Optimize a model with 184 rows, 556 columns and 556 nonzeros Model has 366 quadratic constraints Presolve removed 0 rows and 24 columns Presolve time: 2.18s Presolved: 184 rows, 532 columns, 532 nonzeros Variable types: 366 continuous, 166 integer (165 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 88.0000000 - - - 2s 0 0 0.00000 0 6 88.00000 0.00000 100% - 2s 0 0 0.00000 0 38 88.00000 0.00000 100% - 2s 0 0 0.00000 0 37 88.00000 0.00000 100% - 2s 0 2 0.00000 0 32 88.00000 0.00000 100% - 2s H 27 27 8.0000000 0.49573 93.8% 35.3 2s H 111 76 8.0000000 1.82456 77.2% 21.5 2s * 225 80 17 7.0000000 2.35234 66.4% 20.1 2s Cutting planes: Explored 581 nodes (11444 simplex iterations) in 2.59 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%