Gurobi 5.0.1 (linux64) logging started Mon Feb 4 16:00:52 2013 Optimize a model with 63 rows, 49 columns and 196 nonzeros Presolve removed 44 rows and 30 columns Presolve time: 0.00s Presolved: 19 rows, 19 columns, 69 nonzeros Variable types: 3 continuous, 16 integer (16 binary) Found heuristic solution: objective 954.0000000 Root relaxation: objective 8.930476e+02, 4 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 893.04762 0 2 954.00000 893.04762 6.39% - 0s H 0 0 916.0000000 893.04762 2.51% - 0s 0 0 894.95085 0 5 916.00000 894.95085 2.30% - 0s * 0 0 0 895.0000000 895.00000 0.0% - 0s Cutting planes: MIR: 4 Explored 0 nodes (11 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.950000000000e+02, best bound 8.950000000000e+02, gap 0.0%