Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:22:32 2012 Optimize a model with 189 rows, 228 columns and 698 nonzeros Presolve removed 0 rows and 35 columns Presolve time: 0.00s Presolved: 189 rows, 193 columns, 663 nonzeros Variable types: 0 continuous, 193 integer (192 binary) Found heuristic solution: objective 25.0000000 Root relaxation: objective 0.000000e+00, 128 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 71 25.00000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s 0 0 0.00000 0 72 7.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 0 0.00000 0 72 4.00000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s Cutting planes: Gomory: 1 Explored 0 nodes (444 simplex iterations) in 0.06 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%