Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:43:29 2013 Optimize a model with 5700 rows, 30100 columns and 70050 nonzeros Presolve removed 150 rows and 100 columns Presolve time: 0.41s Presolved: 5550 rows, 30000 columns, 64900 nonzeros Variable types: 27550 continuous, 2450 integer (2450 binary) Root relaxation: objective 1.715514e+05, 7852 iterations, 0.55 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 171551.420 0 2 - 171551.420 - - 1s 0 0 171553.825 0 1 - 171553.825 - - 1s H 0 0 171616.45468 171553.825 0.04% - 1s H 0 0 171615.49522 171553.825 0.04% - 1s 0 0 171564.828 0 1 171615.495 171564.828 0.03% - 1s 0 0 171569.326 0 1 171615.495 171569.326 0.03% - 1s 0 0 171569.505 0 1 171615.495 171569.505 0.03% - 1s 0 0 171569.505 0 1 171615.495 171569.505 0.03% - 2s 0 2 171575.343 0 1 171615.495 171575.343 0.02% - 2s * 3 2 3 171584.76124 171584.761 0.0% 5.3 2s Explored 4 nodes (9143 simplex iterations) in 2.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.715847612416e+05, best bound 1.715847612416e+05, gap 0.0%