Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:52:00 2012 Optimize a model with 2976 rows, 109 columns and 5952 nonzeros Presolve removed 2129 rows and 0 columns Presolve time: 0.09s Presolved: 847 rows, 109 columns, 5718 nonzeros Variable types: 0 continuous, 109 integer (109 binary) Found heuristic solution: objective 7.0000000 Root relaxation: objective 1.501745e+01, 530 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15.01745 0 105 7.00000 15.01745 115% - 0s 0 0 14.69849 0 109 7.00000 14.69849 110% - 0s 0 0 14.60739 0 109 7.00000 14.60739 109% - 0s H 0 0 8.0000000 14.60739 82.6% - 0s 0 0 14.59775 0 109 8.00000 14.59775 82.5% - 0s H 0 0 9.0000000 14.59775 62.2% - 0s 0 0 14.56561 0 108 9.00000 14.56561 61.8% - 0s 0 0 14.51072 0 109 9.00000 14.51072 61.2% - 0s 0 0 14.48853 0 109 9.00000 14.48853 61.0% - 1s 0 0 14.48046 0 109 9.00000 14.48046 60.9% - 1s 0 0 14.46733 0 109 9.00000 14.46733 60.7% - 1s 0 0 14.46189 0 108 9.00000 14.46189 60.7% - 1s 0 0 14.46072 0 108 9.00000 14.46072 60.7% - 1s H 0 0 10.0000000 14.46072 44.6% - 1s 0 0 14.46050 0 109 10.00000 14.46050 44.6% - 1s 0 0 14.46044 0 108 10.00000 14.46044 44.6% - 2s 0 0 14.46042 0 108 10.00000 14.46042 44.6% - 2s 0 2 14.45972 0 108 10.00000 14.45972 44.6% - 2s Cutting planes: Clique: 82 Explored 118 nodes (10865 simplex iterations) in 2.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%