Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:44:00 2013 Optimize a model with 280 rows, 4160 columns and 8380 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.00s Presolved: 260 rows, 4140 columns, 8260 nonzeros Variable types: 4140 continuous, 0 integer (0 binary) Root relaxation: objective 4.636776e+04, 424 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 H 0 0 46661.556328 46367.7551 0.63% - 0s 0 2 46367.7551 0 2 46661.5563 46367.7551 0.63% - 0s * 10 2 5 46650.426787 46650.4268 0.0% 4.8 0s Explored 11 nodes (472 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.665042678719e+04, best bound 4.665042678719e+04, gap 0.0%