Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:00 2012 Optimize a model with 343 rows, 349 columns and 1204 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 343 rows, 325 columns, 1180 nonzeros Variable types: 0 continuous, 325 integer (324 binary) Found heuristic solution: objective 65.0000000 Root relaxation: objective 0.000000e+00, 207 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 0 146 65.00000 0.00000 100% - 0s H 0 0 52.0000000 0.00000 100% - 0s H 0 0 43.0000000 0.00000 100% - 0s H 0 0 40.0000000 0.00000 100% - 0s 0 0 0.39726 0 147 40.00000 0.39726 99.0% - 0s H 0 0 39.0000000 0.39726 99.0% - 0s 0 0 1.00000 0 149 39.00000 1.00000 97.4% - 0s H 0 0 28.0000000 1.00000 96.4% - 0s 0 0 1.00000 0 150 28.00000 1.00000 96.4% - 0s 0 0 1.00000 0 149 28.00000 1.00000 96.4% - 0s H 0 0 25.0000000 1.00000 96.0% - 0s H 0 0 24.0000000 1.00000 95.8% - 0s H 0 0 22.0000000 1.00000 95.5% - 0s 0 2 1.00000 0 149 22.00000 1.00000 95.5% - 0s H 27 27 18.0000000 1.32291 92.7% 29.4 0s * 71 38 46 10.0000000 1.32291 86.8% 16.8 0s * 156 47 32 9.0000000 2.35357 73.8% 16.6 0s Cutting planes: Gomory: 4 Explored 417 nodes (9141 simplex iterations) in 0.35 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%