Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:40:10 2013 Optimize a model with 1400 rows, 102300 columns and 206400 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.32s Presolved: 1300 rows, 102200 columns, 204300 nonzeros Variable types: 102200 continuous, 0 integer (0 binary) Root relaxation: objective 8.258498e+05, 7196 iterations, 0.92 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 839634.98396 825849.833 1.64% - 2s 0 2 825849.833 0 1 839634.984 825849.833 1.64% - 2s 7 9 831434.579 4 2 839634.984 825989.822 1.63% 308 5s * 8 6 4 826102.66657 826102.667 0.0% 275 5s Explored 9 nodes (9397 simplex iterations) in 5.54 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%