Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:44 2013 Optimize a model with 3819 rows, 3629 columns and 14459 nonzeros Presolve removed 287 rows and 0 columns Presolve time: 0.02s Presolved: 3532 rows, 3629 columns, 13885 nonzeros Variable types: 3610 continuous, 19 integer (19 binary) Root relaxation: objective 2.115303e+04, 400 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 21153.0286 0 1 - 21153.0286 - - 0s H 0 0 21166.000000 21153.0286 0.06% - 0s Explored 0 nodes (400 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.116600000000e+04, best bound 2.116600000000e+04, gap 0.0%