Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:01:37 2013 Optimize a model with 700 rows, 26150 columns and 53200 nonzeros Presolve removed 50 rows and 50 columns Presolve time: 0.03s Presolved: 650 rows, 26100 columns, 52150 nonzeros Variable types: 26100 continuous, 0 integer (0 binary) Root relaxation: objective 2.198499e+05, 2674 iterations, 0.08 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 219849.939 0 2 - 219849.939 - - 0s H 0 0 230738.17829 219849.939 4.72% - 0s 0 2 219849.939 0 2 230738.178 219849.939 4.72% - 0s * 61 25 31 222609.06307 220950.526 0.75% 46.6 1s * 94 18 13 221990.08222 221014.973 0.44% 42.5 1s * 130 5 16 221986.52168 221923.775 0.03% 39.2 1s Explored 142 nodes (7834 simplex iterations) in 1.79 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.219865216793e+05, best bound 2.219865216793e+05, gap 0.0%