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 92 quadratic objective terms Presolve removed 0 rows and 30 columns Presolve time: 0.00s Presolved: 93 rows, 197 columns, 381 nonzeros Variable types: 0 continuous, 197 integer (196 binary) Found heuristic solution: objective 22.0000000 Root relaxation: objective 0.000000e+00, 114 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 26 22.00000 0.00000 100% - 0s 0 0 0.00000 0 17 22.00000 0.00000 100% - 0s 0 0 0.00000 0 10 22.00000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s 0 0 0.00000 0 14 5.00000 0.00000 100% - 0s 0 0 0.00000 0 3 5.00000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s 0 0 0.00000 0 6 3.00000 0.00000 100% - 0s 0 0 0.00000 0 3 3.00000 0.00000 100% - 0s 0 0 0.00000 0 4 3.00000 0.00000 100% - 0s 0 0 0.00000 0 3 3.00000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s H 0 0 0.0000000 0.00000 0.0% - 0s Cutting planes: Cover: 7 Explored 0 nodes (348 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%