Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:35:30 2012 Optimize a model with 305 rows, 317 columns and 1077 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 305 rows, 293 columns, 1053 nonzeros Variable types: 0 continuous, 293 integer (292 binary) Found heuristic solution: objective 46.0000000 Root relaxation: objective 0.000000e+00, 189 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 0 117 46.00000 0.00000 100% - 0s H 0 0 39.0000000 0.00000 100% - 0s H 0 0 35.0000000 0.00000 100% - 0s 0 0 0.22710 0 119 35.00000 0.22710 99.4% - 0s H 0 0 30.0000000 0.22710 99.2% - 0s 0 0 0.78287 0 122 30.00000 0.78287 97.4% - 0s H 0 0 23.0000000 0.78287 96.6% - 0s 0 0 0.78287 0 126 23.00000 0.78287 96.6% - 0s 0 0 0.78287 0 122 23.00000 0.78287 96.6% - 0s H 0 0 22.0000000 0.78287 96.4% - 0s 0 2 0.78873 0 122 22.00000 0.78873 96.4% - 0s H 27 9 5.0000000 1.00000 80.0% 35.0 0s Cutting planes: Gomory: 4 Zero half: 6 Explored 93 nodes (3128 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%