Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:21:31 2012 Optimize a model with 177 rows, 217 columns and 657 nonzeros Presolve removed 0 rows and 32 columns Presolve time: 0.00s Presolved: 177 rows, 185 columns, 625 nonzeros Variable types: 0 continuous, 185 integer (184 binary) Found heuristic solution: objective 25.0000000 Root relaxation: objective 0.000000e+00, 120 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 69 25.00000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 0 0.00000 0 70 4.00000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 0 0.00000 0 70 2.00000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s Cutting planes: Gomory: 1 Explored 0 nodes (404 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%