Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:06:35 2013 Optimize a model with 1400 rows, 150300 columns and 350400 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.23s Presolved: 1300 rows, 150200 columns, 300300 nonzeros Variable types: 150200 continuous, 0 integer (0 binary) Root relaxation: objective 9.053666e+05, 8622 iterations, 0.65 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 905366.638 0 2 - 905366.638 - - 1s 0 2 905366.638 0 2 - 905366.638 - - 4s 1 3 905753.258 1 1 - 905366.638 - 195 5s 31 33 919319.559 16 1 - 906347.749 - 182 10s * 76 16 38 908025.86469 906347.749 0.18% 101 13s 86 19 907298.806 6 1 908025.865 906347.749 0.18% 105 15s Explored 160 nodes (20752 simplex iterations) in 19.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.080258646929e+05, best bound 9.079362137297e+05, gap 0.0099%