Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:24 2012 Optimize a model with 1 rows, 142 columns and 142 nonzeros Model has 103 quadratic objective terms Presolve removed 0 rows and 33 columns Presolve time: 0.00s Presolved: 104 rows, 212 columns, 418 nonzeros Variable types: 0 continuous, 212 integer (211 binary) Found heuristic solution: objective 26.0000000 Root relaxation: objective 0.000000e+00, 118 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 20 26.00000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s 0 0 0.00000 0 19 18.00000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s 0 0 0.00000 0 9 16.00000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s 0 0 0.00000 0 23 7.00000 0.00000 100% - 0s 0 0 0.00000 0 7 7.00000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 0 0.00000 0 9 4.00000 0.00000 100% - 0s 0 0 0.00000 0 6 4.00000 0.00000 100% - 0s 0 0 0.00000 0 7 4.00000 0.00000 100% - 0s 0 0 0.00000 0 8 4.00000 0.00000 100% - 0s 0 0 0.00000 0 8 4.00000 0.00000 100% - 0s 0 2 0.00000 0 8 4.00000 0.00000 100% - 0s H 34 12 2.0000000 0.00000 100% 2.9 0s * 40 7 11 1.0000000 0.00000 100% 2.6 0s Cutting planes: Cover: 16 MIR: 1 Explored 41 nodes (455 simplex iterations) in 0.03 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%