Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:33:53 2012 Optimize a model with 297 rows, 309 columns and 1049 nonzeros Presolve removed 0 rows and 25 columns Presolve time: 0.00s Presolved: 297 rows, 284 columns, 1024 nonzeros Variable types: 0 continuous, 284 integer (283 binary) Found heuristic solution: objective 51.0000000 Root relaxation: objective 0.000000e+00, 192 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 0 124 51.00000 0.00000 100% - 0s H 0 0 43.0000000 0.00000 100% - 0s H 0 0 38.0000000 0.00000 100% - 0s H 0 0 33.0000000 0.00000 100% - 0s 0 0 0.18135 0 126 33.00000 0.18135 99.5% - 0s H 0 0 26.0000000 0.18135 99.3% - 0s H 0 0 24.0000000 0.18135 99.2% - 0s 0 0 0.71751 0 127 24.00000 0.71751 97.0% - 0s H 0 0 19.0000000 0.71751 96.2% - 0s 0 0 0.71947 0 130 19.00000 0.71947 96.2% - 0s 0 0 0.71947 0 130 19.00000 0.71947 96.2% - 0s H 0 0 15.0000000 0.71947 95.2% - 0s 0 2 0.72819 0 129 15.00000 0.72819 95.1% - 0s H 27 14 6.0000000 2.54076 57.7% 25.6 0s Cutting planes: Gomory: 3 Mod-K: 1 Explored 65 nodes (1700 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%