Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:18:43 2012 Optimize a model with 1 rows, 112 columns and 112 nonzeros Model has 72 quadratic objective terms Presolve removed 0 rows and 23 columns Presolve time: 0.00s Presolved: 73 rows, 161 columns, 305 nonzeros Variable types: 0 continuous, 161 integer (160 binary) Found heuristic solution: objective 26.0000000 Root relaxation: objective 0.000000e+00, 85 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 9 26.00000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s 0 0 0.00000 0 11 9.00000 0.00000 100% - 0s 0 0 0.00000 0 1 9.00000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s * 0 0 0 0.0000000 0.00000 0.0% - 0s Cutting planes: Cover: 5 Explored 0 nodes (135 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%