Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:20:25 2012 Optimize a model with 185 rows, 215 columns and 675 nonzeros Presolve removed 0 rows and 25 columns Presolve time: 0.00s Presolved: 185 rows, 190 columns, 650 nonzeros Variable types: 0 continuous, 190 integer (189 binary) Found heuristic solution: objective 31.0000000 Root relaxation: objective 0.000000e+00, 143 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 82 31.00000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s H 0 0 19.0000000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s 0 0 0.04956 0 83 16.00000 0.04956 100% - 0s H 0 0 13.0000000 0.04956 100% - 0s H 0 0 6.0000000 0.04956 99.2% - 0s 0 0 1.00000 0 55 6.00000 1.00000 83.3% - 0s H 0 0 1.0000000 1.00000 0.0% - 0s Cutting planes: Gomory: 2 Explored 0 nodes (451 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%