Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:47:49 2013 Optimize a model with 700 rows, 25400 columns and 50950 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.03s Presolved: 650 rows, 25350 columns, 50650 nonzeros Variable types: 25350 continuous, 0 integer (0 binary) Root relaxation: objective 1.749223e+05, 1672 iterations, 0.06 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 176215.21411 174922.321 0.73% - 0s 0 2 174922.321 0 2 176215.214 174922.321 0.73% - 0s * 25 7 13 176183.96658 175399.797 0.45% 17.1 0s * 42 4 21 175857.53946 175399.797 0.26% 13.1 0s Explored 51 nodes (2554 simplex iterations) in 0.69 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%