Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:33 2013 Optimize a model with 3077 rows, 2907 columns and 11577 nonzeros Presolve removed 276 rows and 0 columns Presolve time: 0.01s Presolved: 2801 rows, 2907 columns, 11025 nonzeros Variable types: 2890 continuous, 17 integer (17 binary) Root relaxation: objective 2.397002e+04, 438 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23970.0233 0 1 - 23970.0233 - - 0s H 0 0 23991.000000 23970.0233 0.09% - 0s H 0 0 23971.000000 23970.0233 0.00% - 0s Explored 0 nodes (438 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.397100000000e+04, best bound 2.397002325581e+04, gap 0.0041%