Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:32 2013 Optimize a model with 3077 rows, 2907 columns and 11577 nonzeros Presolve removed 170 rows and 0 columns Presolve time: 0.01s Presolved: 2907 rows, 2907 columns, 11237 nonzeros Variable types: 2890 continuous, 17 integer (17 binary) Root relaxation: objective 1.901500e+04, 392 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 19015.000000 19015.0000 0.0% - 0s Explored 0 nodes (392 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.901500000000e+04, best bound 1.901500000000e+04, gap 0.0%