Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:35 2013 Optimize a model with 140 rows, 800 columns and 5125 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.01s Presolved: 135 rows, 795 columns, 4620 nonzeros Variable types: 760 continuous, 35 integer (35 binary) Root relaxation: objective 1.309958e+04, 55 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 3 - 13099.5797 - - 0s 0 0 13099.8664 0 4 - 13099.8664 - - 0s 0 0 13128.7634 0 3 - 13128.7634 - - 0s 0 0 13129.4911 0 3 - 13129.4911 - - 0s 0 0 13129.4911 0 3 - 13129.4911 - - 0s H 0 0 13130.100441 13129.4911 0.00% - 0s Cutting planes: Flow cover: 1 Explored 0 nodes (150 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.313010044137e+04, best bound 1.312949114573e+04, gap 0.0046%