Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:40 2013 Optimize a model with 110 rows, 335 columns and 880 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.00s Presolved: 105 rows, 330 columns, 825 nonzeros Variable types: 310 continuous, 20 integer (20 binary) Root relaxation: objective 1.291780e+04, 47 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 12917.7960 0 3 - 12917.7960 - - 0s 0 0 12922.0951 0 4 - 12922.0951 - - 0s * 0 0 0 12965.563837 12965.5638 0.0% - 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 0 nodes (87 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.296556383725e+04, best bound 1.296556383725e+04, gap 0.0%