Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:53 2012 Optimize a model with 227 rows, 257 columns and 822 nonzeros Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 227 rows, 231 columns, 796 nonzeros Variable types: 0 continuous, 231 integer (230 binary) Found heuristic solution: objective 35.0000000 Root relaxation: objective 0.000000e+00, 166 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 96 35.00000 0.00000 100% - 0s H 0 0 30.0000000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s H 0 0 19.0000000 0.00000 100% - 0s 0 0 0.07883 0 98 19.00000 0.07883 100% - 0s H 0 0 18.0000000 0.07883 100% - 0s H 0 0 16.0000000 0.07883 100% - 0s 0 0 0.66667 0 101 16.00000 0.66667 95.8% - 0s H 0 0 13.0000000 0.66667 94.9% - 0s H 0 0 11.0000000 0.66667 93.9% - 0s 0 0 0.66667 0 102 11.00000 0.66667 93.9% - 0s 0 0 0.66667 0 99 11.00000 0.66667 93.9% - 0s H 0 0 8.0000000 0.66667 91.7% - 0s H 0 0 4.0000000 0.66667 83.3% - 0s H 0 0 2.0000000 0.66667 66.7% - 0s 0 2 0.66667 0 98 2.00000 0.66667 66.7% - 0s * 16 1 9 1.0000000 1.00000 0.0% 29.5 0s Cutting planes: Gomory: 2 Explored 17 nodes (1401 simplex iterations) in 0.07 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%