Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:27:42 2013 Optimize a model with 160 rows, 5425 columns and 60595 nonzeros Presolve removed 5 rows and 125 columns Presolve time: 0.16s Presolved: 155 rows, 5300 columns, 55595 nonzeros Variable types: 5255 continuous, 45 integer (45 binary) Root relaxation: objective 1.309958e+04, 82 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 7 - 13099.5797 - - 0s 0 0 13099.6298 0 7 - 13099.6298 - - 0s 0 0 13099.6371 0 7 - 13099.6371 - - 0s 0 0 13129.6269 0 4 - 13129.6269 - - 0s 0 0 13129.6269 0 4 - 13129.6269 - - 0s H 0 0 13389.101213 13129.6269 1.94% - 0s 0 0 13129.6269 0 4 13389.1012 13129.6269 1.94% - 1s 0 0 13129.6305 0 4 13389.1012 13129.6305 1.94% - 1s 0 0 13129.6317 0 4 13389.1012 13129.6317 1.94% - 1s 0 0 13129.6317 0 4 13389.1012 13129.6317 1.94% - 1s 0 2 13130.0081 0 4 13389.1012 13130.0081 1.94% - 1s * 6 2 5 13130.104136 13130.1028 0.00% 14.5 1s Cutting planes: Flow cover: 1 Explored 7 nodes (575 simplex iterations) in 1.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.313010413557e+04, best bound 1.313010284519e+04, gap 0.0000%