Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:30 2012 Optimize a model with 1 rows, 153 columns and 153 nonzeros Model has 118 quadratic objective terms Presolve removed 0 rows and 27 columns Presolve time: 0.00s Presolved: 119 rows, 244 columns, 480 nonzeros Variable types: 0 continuous, 244 integer (243 binary) Found heuristic solution: objective 29.0000000 Root relaxation: objective 0.000000e+00, 146 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 33 29.00000 0.00000 100% - 0s 0 0 0.00000 0 14 29.00000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s 0 0 0.00000 0 32 12.00000 0.00000 100% - 0s 0 0 0.00000 0 11 12.00000 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 8 6.00000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 0 0.00000 0 7 4.00000 0.00000 100% - 0s 0 0 0.00000 0 4 4.00000 0.00000 100% - 0s 0 0 0.00000 0 2 4.00000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s 0 0 0.00000 0 3 1.00000 0.00000 100% - 0s * 0 0 0 0.0000000 0.00000 0.0% - 0s Cutting planes: Cover: 10 Clique: 61 Explored 0 nodes (399 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%