Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:21:44 2012 Optimize a model with 1 rows, 130 columns and 130 nonzeros Model has 91 quadratic objective terms Presolve removed 0 rows and 30 columns Presolve time: 0.00s Presolved: 92 rows, 191 columns, 373 nonzeros Variable types: 0 continuous, 191 integer (190 binary) Found heuristic solution: objective 21.0000000 Root relaxation: objective 0.000000e+00, 109 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 16 21.00000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s 0 0 0.00000 0 13 14.00000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.00000 0 16 8.00000 0.00000 100% - 0s 0 0 0.00000 0 8 8.00000 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 H 0 0 5.0000000 0.00000 100% - 0s 0 0 0.00000 0 6 5.00000 0.00000 100% - 0s 0 0 0.00000 0 6 5.00000 0.00000 100% - 0s 0 0 0.00000 0 6 5.00000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s 0 2 0.00000 0 6 3.00000 0.00000 100% - 0s H 122 20 2.0000000 0.00000 100% 3.9 0s * 229 7 14 1.0000000 0.00000 100% 7.4 0s Cutting planes: Cover: 88 MIR: 2 Explored 230 nodes (1951 simplex iterations) in 0.05 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%