Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:42:02 2013 Optimize a model with 280 rows, 5060 columns and 11080 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.01s Presolved: 260 rows, 5040 columns, 10060 nonzeros Variable types: 5040 continuous, 0 integer (0 binary) Root relaxation: objective 4.636776e+04, 502 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 46367.7551 0 2 - 46367.7551 - - 0s 0 2 46367.7551 0 2 - 46367.7551 - - 0s * 18 8 9 46657.308374 46651.6355 0.01% 20.1 0s Explored 22 nodes (866 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.665730837396e+04, best bound 4.665288921631e+04, gap 0.0095%