Gurobi 5.0.1 (linux64) logging started Fri Nov 16 18:19:32 2012 Optimize a model with 7139 rows, 14280 columns and 35103 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.16s Presolved: 7256 rows, 14278 columns, 49144 nonzeros Variable types: 0 continuous, 14278 integer (14278 binary) Found heuristic solution: objective 119.0000000 Root relaxation: objective 2.000000e+00, 4874 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 30 119.00000 2.00000 98.3% - 0s H 0 0 25.0000000 2.00000 92.0% - 0s H 0 0 3.0000000 2.00000 33.3% - 0s 0 0 infeasible 0 3.00000 2.00000 33.3% - 0s Cutting planes: Gomory: 1 Zero half: 2 Explored 0 nodes (15272 simplex iterations) in 0.53 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%