Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:21 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 1.926510e+04, 534 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 19265.1015 0 16 - 19265.1015 - - 0s H 0 0 20694.000000 19265.1015 6.90% - 0s 0 0 19825.7198 0 1 20694.0000 19825.7198 4.20% - 0s H 0 0 19927.344162 19825.7198 0.51% - 0s H 0 0 19835.000000 19825.7198 0.05% - 0s * 0 0 0 19831.000000 19831.0000 0.0% - 0s Cutting planes: Gomory: 1 Implied bound: 11 Explored 0 nodes (637 simplex iterations) in 0.16 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.983100000000e+04, best bound 1.983100000000e+04, gap 0.0%