Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:44:26 2013 Optimize a model with 1200 rows, 25600 columns and 52050 nonzeros Presolve removed 200 rows and 150 columns Presolve time: 0.14s Presolved: 1000 rows, 25450 columns, 51500 nonzeros Variable types: 25250 continuous, 200 integer (200 binary) Root relaxation: objective 1.749223e+05, 1673 iterations, 0.07 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 174922.321 0 2 - 174922.321 - - 0s H 0 0 212268.43955 174922.321 17.6% - 0s H 0 0 183826.82901 174922.321 4.84% - 0s H 0 0 176215.21411 174922.321 0.73% - 0s 0 2 174932.866 0 2 176215.214 174932.866 0.73% - 0s * 6 5 6 175857.53946 175399.797 0.26% 33.5 0s Explored 12 nodes (2115 simplex iterations) in 0.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.758575394634e+05, best bound 1.758575394634e+05, gap 0.0%