Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:13 2013 Optimize a model with 170 rows, 560 columns and 1305 nonzeros Presolve removed 10 rows and 15 columns Presolve time: 0.00s Presolved: 160 rows, 545 columns, 1090 nonzeros Variable types: 450 continuous, 95 integer (95 binary) Root relaxation: objective 1.309958e+04, 61 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 13099.5797 0 1 - 13099.5797 - - 0s 0 0 13102.3041 0 2 - 13102.3041 - - 0s 0 0 13102.4780 0 2 - 13102.4780 - - 0s * 0 0 0 13130.078203 13130.0782 0.0% - 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 0 nodes (91 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.313007820321e+04, best bound 1.313007820321e+04, gap 0.0%