Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:12 2012 Optimize a model with 1 rows, 152 columns and 152 nonzeros Model has 116 quadratic objective terms Presolve removed 0 rows and 28 columns Presolve time: 0.00s Presolved: 117 rows, 240 columns, 472 nonzeros Variable types: 0 continuous, 240 integer (239 binary) Found heuristic solution: objective 37.0000000 Root relaxation: objective 0.000000e+00, 143 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 37 37.00000 0.00000 100% - 0s H 0 0 33.0000000 0.00000 100% - 0s 0 0 0.00000 0 21 33.00000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s 0 0 0.00000 0 21 18.00000 0.00000 100% - 0s H 0 0 14.0000000 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 11 9.00000 0.00000 100% - 0s 0 0 0.00000 0 7 9.00000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s 0 0 0.00000 0 6 6.00000 0.00000 100% - 0s 0 0 0.00000 0 7 6.00000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s 0 0 0.00000 0 7 5.00000 0.00000 100% - 0s 0 0 0.00000 0 7 5.00000 0.00000 100% - 0s 0 2 0.00000 0 7 5.00000 0.00000 100% - 0s * 113 37 15 4.0000000 0.00000 100% 2.3 0s * 367 132 18 3.0000000 0.00000 100% 4.9 0s H 395 91 2.0000000 0.00000 100% 5.5 0s H 422 25 1.0000000 0.00000 100% 5.6 0s Cutting planes: Cover: 146 Zero half: 1 Explored 423 nodes (2772 simplex iterations) in 0.08 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%