Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:29 2013 Optimize a model with 140 rows, 1575 columns and 10575 nonzeros Presolve removed 5 rows and 285 columns Presolve time: 0.01s Presolved: 135 rows, 1290 columns, 9575 nonzeros Variable types: 1255 continuous, 35 integer (35 binary) Root relaxation: objective 1.024210e+04, 48 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 4 - 10242.1039 - - 0s 0 0 10242.8294 0 7 - 10242.8294 - - 0s 0 0 10242.8355 0 7 - 10242.8355 - - 0s 0 0 10329.8318 0 7 - 10329.8318 - - 0s 0 0 10332.9313 0 7 - 10332.9313 - - 0s 0 0 10332.9313 0 7 - 10332.9313 - - 0s H 0 0 10609.621377 10332.9313 2.61% - 0s 0 0 10334.6783 0 3 10609.6214 10334.6783 2.59% - 0s 0 0 10334.7395 0 7 10609.6214 10334.7395 2.59% - 0s 0 0 10334.7486 0 6 10609.6214 10334.7486 2.59% - 0s 0 0 10334.7599 0 6 10609.6214 10334.7599 2.59% - 0s 0 0 10334.7628 0 7 10609.6214 10334.7628 2.59% - 0s 0 0 10334.7714 0 6 10609.6214 10334.7714 2.59% - 0s 0 0 10334.7764 0 7 10609.6214 10334.7764 2.59% - 0s 0 0 10334.7764 0 7 10609.6214 10334.7764 2.59% - 0s 0 2 10334.7767 0 7 10609.6214 10334.7767 2.59% - 0s * 6 3 6 10336.395479 10336.1668 0.00% 7.3 0s Cutting planes: Gomory: 1 Flow cover: 6 Explored 7 nodes (484 simplex iterations) in 0.18 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.033639547902e+04, best bound 1.033616684268e+04, gap 0.0022%