Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:56 2012 Optimize a model with 1 rows, 166 columns and 166 nonzeros Model has 144 quadratic objective terms Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 145 rows, 284 columns, 572 nonzeros Variable types: 0 continuous, 284 integer (283 binary) Found heuristic solution: objective 33.0000000 Root relaxation: objective 0.000000e+00, 191 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 46 33.00000 0.00000 100% - 0s 0 0 0.00000 0 28 33.00000 0.00000 100% - 0s H 0 0 27.0000000 0.00000 100% - 0s 0 0 0.00000 0 25 27.00000 0.00000 100% - 0s H 0 0 21.0000000 0.00000 100% - 0s H 0 0 13.0000000 0.00000 100% - 0s 0 0 0.00000 0 25 13.00000 0.00000 100% - 0s 0 0 0.00000 0 16 13.00000 0.00000 100% - 0s 0 0 0.00000 0 17 13.00000 0.00000 100% - 0s 0 0 0.00000 0 16 13.00000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s 0 0 0.00000 0 13 9.00000 0.00000 100% - 0s 0 0 0.00000 0 6 9.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s 0 0 0.00000 0 13 6.00000 0.00000 100% - 0s 0 0 0.00000 0 11 6.00000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 2 0.00000 0 11 4.00000 0.00000 100% - 0s * 370 92 21 3.0000000 0.00000 100% 5.8 0s H 406 49 2.0000000 0.00000 100% 6.4 0s * 429 5 15 1.0000000 0.00000 100% 7.9 0s Cutting planes: Cover: 180 MIR: 1 Explored 430 nodes (3934 simplex iterations) in 0.11 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%