Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:14 2013 Optimize a model with 5543 rows, 5313 columns and 21183 nonzeros Presolve removed 245 rows and 0 columns Presolve time: 0.03s Presolved: 5298 rows, 5313 columns, 20693 nonzeros Variable types: 5290 continuous, 23 integer (23 binary) Root relaxation: objective 2.293046e+04, 545 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 22930.4615 0 1 - 22930.4615 - - 0s H 0 0 22975.000000 22930.4615 0.19% - 0s 0 0 22935.4921 0 2 22975.0000 22935.4921 0.17% - 0s H 0 0 22950.000000 22935.4921 0.06% - 0s 0 0 22942.0417 0 2 22950.0000 22942.0417 0.03% - 0s Cutting planes: Gomory: 1 Flow cover: 1 Explored 0 nodes (578 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.295000000000e+04, best bound 2.295000000000e+04, gap 0.0%