Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:15:30 2013 Optimize a model with 1400 rows, 100800 columns and 201900 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.24s Presolved: 1300 rows, 100700 columns, 201300 nonzeros Variable types: 100700 continuous, 0 integer (0 binary) Root relaxation: objective 8.258498e+05, 6948 iterations, 0.70 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 825849.833 0 1 - 825849.833 - - 1s H 0 0 830634.24438 825849.833 0.58% - 1s 0 2 825849.833 0 1 830634.244 825849.833 0.58% - 1s * 8 2 4 826102.66657 826102.667 0.0% 159 3s Explored 9 nodes (8223 simplex iterations) in 3.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.261026665679e+05, best bound 8.261026665679e+05, gap 0.0000%