Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:08 2012 Optimize a model with 195 rows, 238 columns and 723 nonzeros Presolve removed 0 rows and 39 columns Presolve time: 0.00s Presolved: 195 rows, 199 columns, 684 nonzeros Variable types: 0 continuous, 199 integer (198 binary) Found heuristic solution: objective 30.0000000 Root relaxation: objective 0.000000e+00, 144 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 91 30.00000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s H 0 0 15.0000000 0.00000 100% - 0s 0 0 0.04225 0 93 15.00000 0.04225 100% - 0s H 0 0 14.0000000 0.04225 100% - 0s H 0 0 13.0000000 0.04225 100% - 0s 0 0 0.66667 0 95 13.00000 0.66667 94.9% - 0s H 0 0 11.0000000 0.66667 93.9% - 0s 0 0 0.66667 0 97 11.00000 0.66667 93.9% - 0s 0 0 0.66667 0 95 11.00000 0.66667 93.9% - 0s H 0 0 7.0000000 0.66667 90.5% - 0s H 0 0 3.0000000 0.66667 77.8% - 0s 0 2 0.66667 0 93 3.00000 0.66667 77.8% - 0s * 17 15 13 2.0000000 1.00000 50.0% 32.6 0s Cutting planes: Gomory: 4 Zero half: 5 Explored 47 nodes (2174 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%