Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:15:53 2012 Optimize a model with 459 rows, 440 columns and 1585 nonzeros Presolve removed 0 rows and 19 columns Presolve time: 0.00s Presolved: 459 rows, 421 columns, 1566 nonzeros Variable types: 0 continuous, 421 integer (420 binary) Found heuristic solution: objective 93.0000000 Root relaxation: objective 0.000000e+00, 256 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 0 181 93.00000 0.00000 100% - 0s H 0 0 70.0000000 0.00000 100% - 0s H 0 0 69.0000000 0.00000 100% - 0s H 0 0 65.0000000 0.00000 100% - 0s 0 0 0.35465 0 184 65.00000 0.35465 99.5% - 0s H 0 0 54.0000000 0.35465 99.3% - 0s H 0 0 50.0000000 0.35465 99.3% - 0s H 0 0 46.0000000 0.35465 99.2% - 0s 0 0 0.90600 0 187 46.00000 0.90600 98.0% - 0s H 0 0 43.0000000 0.90600 97.9% - 0s 0 0 0.90600 0 187 43.00000 0.90600 97.9% - 0s H 0 0 39.0000000 0.90600 97.7% - 0s H 0 0 36.0000000 0.90600 97.5% - 0s H 0 0 32.0000000 0.90600 97.2% - 0s 0 2 0.91054 0 187 32.00000 0.91054 97.2% - 0s H 27 27 30.0000000 1.00000 96.7% 41.7 0s * 51 48 31 16.0000000 1.00000 93.8% 30.2 0s H 54 37 15.0000000 1.00000 93.3% 29.7 0s * 81 43 16 13.0000000 1.00000 92.3% 30.6 0s * 166 76 37 12.0000000 1.07633 91.0% 29.1 0s * 514 105 10 10.0000000 4.48246 55.2% 31.2 0s Cutting planes: Gomory: 4 Zero half: 2 Mod-K: 1 Explored 806 nodes (24772 simplex iterations) in 1.02 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%