Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:20 2013 Optimize a model with 5566 rows, 5336 columns and 21206 nonzeros Presolve removed 23 rows and 0 columns Presolve time: 0.02s Presolved: 5543 rows, 5336 columns, 21183 nonzeros Variable types: 5313 continuous, 23 integer (23 binary) Root relaxation: objective 2.168161e+04, 688 iterations, 0.04 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 21681.6053 0 17 - 21681.6053 - - 0s H 0 0 23708.000000 21681.6053 8.55% - 0s 0 0 22930.4615 0 1 23708.0000 22930.4615 3.28% - 0s H 0 0 23133.153846 22930.4615 0.88% - 0s H 0 0 22975.000000 22930.4615 0.19% - 0s * 0 0 0 22950.000000 22950.0000 0.0% - 0s Cutting planes: Implied bound: 13 Explored 0 nodes (926 simplex iterations) in 0.19 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%