Gurobi 5.0.1 (linux64) logging started Fri Jan 18 08:58:27 2013 Optimize a model with 1400 rows, 200300 columns and 500400 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.39s Presolved: 1300 rows, 200200 columns, 400300 nonzeros Variable types: 200200 continuous, 0 integer (0 binary) Root relaxation: objective 7.672886e+05, 10742 iterations, 1.22 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 767288.564 0 3 - 767288.564 - - 1s 0 2 767288.564 0 3 - 767288.564 - - 4s 3 5 767838.591 2 1 - 767330.517 - 254 5s * 58 10 29 768348.89820 767812.496 0.07% 68.1 9s 66 5 768267.911 5 1 768348.898 767812.496 0.07% 62.4 10s Explored 78 nodes (14954 simplex iterations) in 10.33 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.683488982021e+05, best bound 7.683488982021e+05, gap 0.0%