Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:44 2013 Optimize a model with 209 rows, 3629 columns and 7239 nonzeros Presolve time: 0.00s Presolved: 209 rows, 3629 columns, 7239 nonzeros Variable types: 3610 continuous, 19 integer (19 binary) Root relaxation: objective 2.165021e+04, 270 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 21650.2126 0 1 - 21650.2126 - - 0s H 0 0 21776.000000 21650.2126 0.58% - 0s 0 0 21775.2672 0 1 21776.0000 21775.2672 0.00% - 0s Cutting planes: Implied bound: 10 Flow cover: 1 Explored 0 nodes (286 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.177600000000e+04, best bound 2.177526717557e+04, gap 0.0034%