Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:18:04 2012 Optimize a model with 68 rows, 241 columns and 241 nonzeros Model has 134 quadratic constraints Presolve removed 0 rows and 32 columns Presolve time: 0.78s Presolved: 68 rows, 209 columns, 209 nonzeros Variable types: 134 continuous, 75 integer (74 binary) Root relaxation: objective 0.000000e+00, 27 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time H 0 0 28.0000000 - - - 0s 0 0 0.00000 0 17 28.00000 0.00000 100% - 0s 0 0 0.00000 0 17 28.00000 0.00000 100% - 0s 0 0 0.00000 0 17 28.00000 0.00000 100% - 0s 0 2 0.00000 0 17 28.00000 0.00000 100% - 0s * 11 7 7 1.0000000 0.23077 76.9% 24.9 0s H 37 8 1.0000000 0.35937 64.1% 9.1 0s Cutting planes: Explored 50 nodes (943 simplex iterations) in 0.82 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.999999994585e-01, best bound 9.999999994585e-01, gap 0.0%