Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:13:06 2013 Optimize a model with 170 rows, 5315 columns and 60670 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.11s Presolved: 165 rows, 5310 columns, 55665 nonzeros Variable types: 5260 continuous, 50 integer (50 binary) Root relaxation: objective 1.024210e+04, 42 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 10242.1039 0 3 - 10242.1039 - - 0s 0 0 10242.1693 0 3 - 10242.1693 - - 0s 0 0 10324.5955 0 6 - 10324.5955 - - 0s 0 0 10327.6951 0 6 - 10327.6951 - - 0s 0 0 10328.9869 0 3 - 10328.9869 - - 0s 0 0 10328.9869 0 3 - 10328.9869 - - 0s H 0 0 10608.374478 10328.9869 2.63% - 0s 0 0 10328.9869 0 3 10608.3745 10328.9869 2.63% - 0s 0 0 10328.9928 0 3 10608.3745 10328.9928 2.63% - 0s 0 0 10328.9964 0 4 10608.3745 10328.9964 2.63% - 0s 0 0 10328.9964 0 4 10608.3745 10328.9964 2.63% - 0s 0 0 10328.9964 0 4 10608.3745 10328.9964 2.63% - 0s 0 2 10329.4506 0 4 10608.3745 10329.4506 2.63% - 0s * 14 8 13 10336.646733 10329.7749 0.07% 6.5 0s Cutting planes: Flow cover: 3 Explored 18 nodes (387 simplex iterations) in 0.86 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.033664673264e+04, best bound 1.033612787905e+04, gap 0.0050%