Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:03:21 2013 Optimize a model with 150 rows, 1305 columns and 10640 nonzeros Presolve removed 5 rows and 5 columns Presolve time: 0.01s Presolved: 145 rows, 1300 columns, 9635 nonzeros Variable types: 1260 continuous, 40 integer (40 binary) Root relaxation: objective 1.704455e+04, 70 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 17044.5499 0 3 - 17044.5499 - - 0s 0 0 17044.7478 0 4 - 17044.7478 - - 0s 0 0 17090.4251 0 3 - 17090.4251 - - 0s 0 0 17090.4251 0 3 - 17090.4251 - - 0s H 0 0 17203.873042 17090.4251 0.66% - 0s 0 0 17090.4251 0 3 17203.8730 17090.4251 0.66% - 0s 0 0 17090.4251 0 5 17203.8730 17090.4251 0.66% - 0s 0 0 17090.4291 0 5 17203.8730 17090.4291 0.66% - 0s 0 0 17090.4323 0 6 17203.8730 17090.4323 0.66% - 0s 0 0 17090.4391 0 6 17203.8730 17090.4391 0.66% - 0s 0 0 17090.4391 0 6 17203.8730 17090.4391 0.66% - 0s 0 2 17090.4474 0 6 17203.8730 17090.4474 0.66% - 0s * 7 2 5 17091.445701 17090.7232 0.00% 6.6 0s Cutting planes: Gomory: 1 Flow cover: 3 Explored 8 nodes (430 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.709144570108e+04, best bound 1.709072315617e+04, gap 0.0042%