Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:22:46 2012 Optimize a model with 1 rows, 135 columns and 135 nonzeros Model has 94 quadratic objective terms Presolve removed 0 rows and 29 columns Presolve time: 0.00s Presolved: 95 rows, 200 columns, 388 nonzeros Variable types: 0 continuous, 200 integer (199 binary) Found heuristic solution: objective 27.0000000 Root relaxation: objective 0.000000e+00, 122 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 21 27.00000 0.00000 100% - 0s H 0 0 19.0000000 0.00000 100% - 0s 0 0 0.00000 0 11 19.00000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.00000 0 14 8.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s 0 0 0.00000 0 6 6.00000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s 0 0 0.00000 0 4 3.00000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 0 0.00000 0 3 2.00000 0.00000 100% - 0s 0 0 0.00000 0 5 2.00000 0.00000 100% - 0s 0 0 0.00000 0 8 2.00000 0.00000 100% - 0s 0 0 0.00000 0 8 2.00000 0.00000 100% - 0s H 0 0 0.0000000 0.00000 0.0% - 0s Cutting planes: Cover: 8 Explored 0 nodes (309 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0%