Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:50:45 2013 Optimize a model with 280 rows, 6060 columns and 14080 nonzeros Presolve removed 20 rows and 20 columns Presolve time: 0.01s Presolved: 260 rows, 6040 columns, 12060 nonzeros Variable types: 6040 continuous, 0 integer (0 binary) Root relaxation: objective 3.709539e+04, 430 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 37095.3933 0 4 - 37095.3933 - - 0s 0 2 37095.3933 0 4 - 37095.3933 - - 0s * 22 8 11 37253.494208 37252.7045 0.00% 15.4 0s Explored 23 nodes (769 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.725349420845e+04, best bound 3.725270454517e+04, gap 0.0021%