Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:23:25 2012 Optimize a model with 207 rows, 241 columns and 756 nonzeros Presolve removed 0 rows and 29 columns Presolve time: 0.00s Presolved: 207 rows, 212 columns, 727 nonzeros Variable types: 0 continuous, 212 integer (211 binary) Found heuristic solution: objective 29.0000000 Root relaxation: objective 0.000000e+00, 148 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 95 29.00000 0.00000 100% - 0s H 0 0 21.0000000 0.00000 100% - 0s H 0 0 20.0000000 0.00000 100% - 0s H 0 0 17.0000000 0.00000 100% - 0s 0 0 0.06909 0 96 17.00000 0.06909 100% - 0s H 0 0 8.0000000 0.06909 99.1% - 0s 0 0 1.00000 0 62 8.00000 1.00000 87.5% - 0s 0 0 1.00000 0 100 8.00000 1.00000 87.5% - 0s 0 0 1.00000 0 98 8.00000 1.00000 87.5% - 0s H 0 0 5.0000000 1.00000 80.0% - 0s H 0 0 3.0000000 1.00000 66.7% - 0s H 0 0 1.0000000 1.00000 0.0% - 0s Cutting planes: Gomory: 1 Zero half: 1 Mod-K: 1 Explored 0 nodes (724 simplex iterations) in 0.04 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%