Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:22:08 2012 Optimize a model with 217 rows, 240 columns and 780 nonzeros Presolve removed 0 rows and 20 columns Presolve time: 0.00s Presolved: 217 rows, 220 columns, 760 nonzeros Variable types: 0 continuous, 220 integer (219 binary) Found heuristic solution: objective 34.0000000 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 34.00000 0.00000 100% - 0s H 0 0 29.0000000 0.00000 100% - 0s H 0 0 28.0000000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s 0 0 0.11106 0 93 24.00000 0.11106 100% - 0s H 0 0 16.0000000 0.11106 99.3% - 0s H 0 0 13.0000000 0.11106 99.1% - 0s 0 0 0.66667 0 97 13.00000 0.66667 94.9% - 0s H 0 0 10.0000000 0.66667 93.3% - 0s H 0 0 5.0000000 0.66667 86.7% - 0s H 0 0 4.0000000 0.66667 83.3% - 0s 0 0 0.66667 0 95 4.00000 0.66667 83.3% - 0s 0 0 0.66667 0 99 4.00000 0.66667 83.3% - 0s 0 0 0.66667 0 93 4.00000 0.66667 83.3% - 0s H 0 0 3.0000000 0.66667 77.8% - 0s H 0 0 2.0000000 0.66667 66.7% - 0s 0 0 0.66667 0 45 2.00000 0.66667 66.7% - 0s 0 0 0.66667 0 48 2.00000 0.66667 66.7% - 0s 0 0 0.98148 0 45 2.00000 0.98148 50.9% - 0s Cutting planes: Gomory: 1 Explored 0 nodes (937 simplex iterations) in 0.17 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%