Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:32 2013 Optimize a model with 34 rows, 1023 columns and 12054 nonzeros Presolve removed 12 rows and 12 columns Presolve time: 0.02s Presolved: 22 rows, 1011 columns, 11030 nonzeros Variable types: 1001 continuous, 10 integer (10 binary) Root relaxation: objective 2.970064e+03, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2970.06413 0 8 - 2970.06413 - - 0s 0 0 2970.23973 0 8 - 2970.23973 - - 0s 0 0 2970.24243 0 10 - 2970.24243 - - 0s 0 0 2970.24243 0 10 - 2970.24243 - - 0s 0 0 2970.32619 0 7 - 2970.32619 - - 0s 0 0 2970.32619 0 7 - 2970.32619 - - 0s H 0 0 2970.4555123 2970.32619 0.00% - 0s Cutting planes: Cover: 1 Implied bound: 5 Explored 0 nodes (55 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.970455512267e+03, best bound 2.970326186668e+03, gap 0.0044%