Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:20:05 2012 Optimize a model with 1 rows, 121 columns and 121 nonzeros Model has 81 quadratic objective terms Presolve removed 0 rows and 33 columns Presolve time: 0.00s Presolved: 82 rows, 169 columns, 331 nonzeros Variable types: 0 continuous, 169 integer (168 binary) Found heuristic solution: objective 13.0000000 Root relaxation: objective 0.000000e+00, 93 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 14 13.00000 0.00000 100% - 0s 0 0 0.00000 0 9 13.00000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s 0 0 0.00000 0 6 7.00000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s 0 0 0.00000 0 9 5.00000 0.00000 100% - 0s 0 0 0.00000 0 9 5.00000 0.00000 100% - 0s H 0 0 0.0000000 0.00000 0.0% - 0s Cutting planes: Gomory: 2 Cover: 22 Explored 0 nodes (171 simplex iterations) in 0.01 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%