Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:17 2012 Optimize a model with 79 rows, 81 columns and 276 nonzeros Presolve removed 0 rows and 5 columns Presolve time: 0.00s Presolved: 79 rows, 76 columns, 271 nonzeros Variable types: 0 continuous, 76 integer (75 binary) Found heuristic solution: objective 11.0000000 Root relaxation: objective 0.000000e+00, 46 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 29 11.00000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s 0 0 0.11915 0 31 5.00000 0.11915 97.6% - 0s 0 0 0.75538 0 36 5.00000 0.75538 84.9% - 0s H 0 0 3.0000000 0.75538 74.8% - 0s 0 0 0.75538 0 36 3.00000 0.75538 74.8% - 0s 0 2 0.77259 0 36 3.00000 0.77259 74.2% - 0s * 7 3 3 2.0000000 1.00000 50.0% 15.3 0s Cutting planes: Gomory: 4 Explored 11 nodes (342 simplex iterations) in 0.03 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%