Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:24:08 2012 Optimize a model with 217 rows, 249 columns and 789 nonzeros Presolve removed 0 rows and 32 columns Presolve time: 0.00s Presolved: 217 rows, 217 columns, 757 nonzeros Variable types: 0 continuous, 217 integer (216 binary) Found heuristic solution: objective 33.0000000 Root relaxation: objective 0.000000e+00, 167 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 98 33.00000 0.00000 100% - 0s H 0 0 30.0000000 0.00000 100% - 0s H 0 0 27.0000000 0.00000 100% - 0s 0 0 0.11911 0 100 27.00000 0.11911 100% - 0s H 0 0 24.0000000 0.11911 100% - 0s H 0 0 20.0000000 0.11911 99.4% - 0s 0 0 0.66667 0 105 20.00000 0.66667 96.7% - 0s H 0 0 17.0000000 0.66667 96.1% - 0s 0 0 0.66667 0 105 17.00000 0.66667 96.1% - 0s 0 0 0.66667 0 100 17.00000 0.66667 96.1% - 0s H 0 0 6.0000000 0.66667 88.9% - 0s H 0 0 4.0000000 0.66667 83.3% - 0s H 0 0 3.0000000 0.66667 77.8% - 0s 0 2 0.66667 0 100 3.00000 0.66667 77.8% - 0s * 23 15 19 2.0000000 1.00000 50.0% 12.7 0s Cutting planes: Gomory: 3 Explored 51 nodes (1713 simplex iterations) in 0.06 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%