Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:09 2012 Optimize a model with 1 rows, 141 columns and 141 nonzeros Model has 101 quadratic objective terms Presolve removed 0 rows and 27 columns Presolve time: 0.00s Presolved: 102 rows, 215 columns, 417 nonzeros Variable types: 0 continuous, 215 integer (214 binary) Found heuristic solution: objective 23.0000000 Root relaxation: objective 0.000000e+00, 130 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 23.00000 0.00000 100% - 0s H 0 0 17.0000000 0.00000 100% - 0s 0 0 0.00000 0 12 17.00000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.00000 0 13 8.00000 0.00000 100% - 0s 0 0 0.00000 0 8 8.00000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s 0 0 0.00000 0 5 5.00000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 0 0.00000 0 7 2.00000 0.00000 100% - 0s 0 0 0.00000 0 3 2.00000 0.00000 100% - 0s 0 0 0.00000 0 4 2.00000 0.00000 100% - 0s 0 0 0.00000 0 6 2.00000 0.00000 100% - 0s 0 0 0.00000 0 6 2.00000 0.00000 100% - 0s H 0 0 0.0000000 0.00000 0.0% - 0s Cutting planes: Cover: 3 Explored 0 nodes (363 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%