Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:21:08 2012 Optimize a model with 201 rows, 227 columns and 727 nonzeros Presolve removed 0 rows and 29 columns Presolve time: 0.00s Presolved: 201 rows, 198 columns, 698 nonzeros Variable types: 0 continuous, 198 integer (197 binary) Found heuristic solution: objective 27.0000000 Root relaxation: objective 0.000000e+00, 145 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 86 27.00000 0.00000 100% - 0s H 0 0 19.0000000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s 0 0 0.20875 0 89 12.00000 0.20875 98.3% - 0s 0 0 0.80866 0 92 12.00000 0.80866 93.3% - 0s 0 0 0.80866 0 95 12.00000 0.80866 93.3% - 0s 0 0 0.80866 0 94 12.00000 0.80866 93.3% - 0s H 0 0 10.0000000 0.80866 91.9% - 0s H 0 0 3.0000000 0.80866 73.0% - 0s 0 2 0.81504 0 94 3.00000 0.81504 72.8% - 0s * 7 0 6 2.0000000 2.00000 0.0% 24.3 0s Cutting planes: Gomory: 3 Mod-K: 1 Explored 8 nodes (872 simplex iterations) in 0.13 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%