Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:38 2013 Optimize a model with 3438 rows, 3258 columns and 12978 nonzeros Presolve removed 81 rows and 0 columns Presolve time: 0.02s Presolved: 3357 rows, 3258 columns, 12816 nonzeros Variable types: 3240 continuous, 18 integer (18 binary) Root relaxation: objective 2.316600e+04, 416 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 23166.000000 23166.0000 0.0% - 0s Explored 0 nodes (416 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.316600000000e+04, best bound 2.316600000000e+04, gap 0.0%