Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:20:35 2012 Optimize a model with 175 rows, 211 columns and 646 nonzeros Presolve removed 0 rows and 25 columns Presolve time: 0.00s Presolved: 175 rows, 186 columns, 621 nonzeros Variable types: 0 continuous, 186 integer (185 binary) Found heuristic solution: objective 22.0000000 Root relaxation: objective 0.000000e+00, 151 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 78 22.00000 0.00000 100% - 0s H 0 0 21.0000000 0.00000 100% - 0s H 0 0 13.0000000 0.00000 100% - 0s 0 0 0.00564 0 79 13.00000 0.00564 100% - 0s H 0 0 2.0000000 0.00564 100% - 0s 0 0 1.00000 0 53 2.00000 1.00000 50.0% - 0s 0 0 1.00000 0 78 2.00000 1.00000 50.0% - 0s 0 0 1.00000 0 2 2.00000 1.00000 50.0% - 0s H 0 0 1.0000000 1.00000 0.0% - 0s Cutting planes: Gomory: 1 Explored 0 nodes (912 simplex iterations) in 0.03 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%