Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:51:57 2012 Optimize a model with 3013 rows, 109 columns and 6026 nonzeros Presolve removed 2157 rows and 0 columns Presolve time: 0.09s Presolved: 856 rows, 109 columns, 5821 nonzeros Variable types: 0 continuous, 109 integer (109 binary) Found heuristic solution: objective 6.0000000 Root relaxation: objective 1.508097e+01, 415 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15.08097 0 106 6.00000 15.08097 151% - 0s H 0 0 7.0000000 15.08097 115% - 0s 0 0 14.51560 0 107 7.00000 14.51560 107% - 0s 0 0 14.36239 0 105 7.00000 14.36239 105% - 0s H 0 0 8.0000000 14.36239 79.5% - 0s 0 0 14.32455 0 108 8.00000 14.32455 79.1% - 0s 0 0 14.28363 0 108 8.00000 14.28363 78.5% - 0s 0 0 14.26855 0 108 8.00000 14.26855 78.4% - 0s H 0 0 9.0000000 14.26855 58.5% - 0s 0 0 14.26010 0 108 9.00000 14.26010 58.4% - 0s 0 0 14.25656 0 108 9.00000 14.25656 58.4% - 0s 0 0 14.24311 0 107 9.00000 14.24311 58.3% - 1s 0 0 14.23956 0 108 9.00000 14.23956 58.2% - 1s 0 0 14.23834 0 108 9.00000 14.23834 58.2% - 1s 0 0 14.23826 0 108 9.00000 14.23826 58.2% - 1s 0 0 14.23825 0 108 9.00000 14.23825 58.2% - 1s 0 2 14.23798 0 108 9.00000 14.23798 58.2% - 1s Cutting planes: Clique: 125 Explored 295 nodes (17702 simplex iterations) in 2.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%