Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:22 2013 Optimize a model with 34 rows, 2070 columns and 26041 nonzeros Presolve removed 12 rows and 60 columns Presolve time: 0.08s Presolved: 22 rows, 2010 columns, 24018 nonzeros Variable types: 2000 continuous, 10 integer (10 binary) Root relaxation: objective 3.279154e+03, 14 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 3279.15409 0 4 - 3279.15409 - - 0s 0 0 3279.15510 0 4 - 3279.15510 - - 0s 0 0 3279.15529 0 4 - 3279.15529 - - 0s 0 0 3279.17300 0 5 - 3279.17300 - - 0s 0 0 3279.17300 0 5 - 3279.17300 - - 0s H 0 0 3279.1930789 3279.17300 0.00% - 0s Cutting planes: Implied bound: 2 Explored 0 nodes (54 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.279193078893e+03, best bound 3.279173003860e+03, gap 0.0006%