Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:00:41 2013 Optimize a model with 25 rows, 25 columns and 75 nonzeros Presolve removed 18 rows and 15 columns Presolve time: 0.00s Presolved: 7 rows, 10 columns, 25 nonzeros Variable types: 2 continuous, 8 integer (8 binary) Found heuristic solution: objective 389.0000000 Found heuristic solution: objective 356.0000000 Root relaxation: objective 3.315102e+02, 4 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 331.51020 0 3 356.00000 331.51020 6.88% - 0s 0 0 332.65201 0 2 356.00000 332.65201 6.56% - 0s * 0 0 0 333.0000000 333.00000 0.0% - 0s Cutting planes: Gomory: 1 MIR: 2 Explored 0 nodes (10 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.330000000000e+02, best bound 3.330000000000e+02, gap 0.0%