Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:17:48 2012 Optimize a model with 1 rows, 105 columns and 105 nonzeros Model has 58 quadratic objective terms Presolve removed 0 rows and 31 columns Presolve time: 0.00s Presolved: 59 rows, 132 columns, 248 nonzeros Variable types: 0 continuous, 132 integer (131 binary) Found heuristic solution: objective 7.0000000 Root relaxation: objective 0.000000e+00, 66 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 4 7.00000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s 0 0 0.00000 0 5 3.00000 0.00000 100% - 0s 0 0 0.00000 0 1 3.00000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s H 0 0 0.0000000 0.00000 0.0% - 0s Cutting planes: Cover: 8 Explored 0 nodes (108 simplex iterations) in 0.00 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%