Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:48:17 2013 Optimize a model with 280 rows, 24060 columns and 68080 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.11s Presolved: 260 rows, 24040 columns, 48060 nonzeros Variable types: 24040 continuous, 0 integer (0 binary) Root relaxation: objective 4.642213e+04, 411 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 46422.1265 0 3 - 46422.1265 - - 0s 0 2 46422.1265 0 3 - 46422.1265 - - 0s * 26 6 13 46743.816420 46743.8164 0.0% 14.0 0s Explored 27 nodes (776 simplex iterations) in 0.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.674381641974e+04, best bound 4.674381641974e+04, gap 0.0%