Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:23 2013 Optimize a model with 6024 rows, 5784 columns and 23064 nonzeros Presolve removed 959 rows and 0 columns Presolve time: 0.03s Presolved: 5065 rows, 5784 columns, 21146 nonzeros Variable types: 5760 continuous, 24 integer (24 binary) Root relaxation: objective 2.200087e+04, 602 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 22000.8696 0 1 - 22000.8696 - - 0s H 0 0 22054.000000 22000.8696 0.24% - 0s H 0 0 22001.000000 22000.8696 0.00% - 0s Explored 0 nodes (602 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.200100000000e+04, best bound 2.200086956522e+04, gap 0.0006%