Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:05 2013 Optimize a model with 7614 rows, 7344 columns and 29214 nonzeros Presolve removed 27 rows and 0 columns Presolve time: 0.03s Presolved: 7587 rows, 7344 columns, 29187 nonzeros Variable types: 7317 continuous, 27 integer (27 binary) Root relaxation: objective 2.553118e+04, 1179 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 25531.1781 0 21 - 25531.1781 - - 0s H 0 0 27540.000000 25531.1781 7.29% - 0s 0 0 27266.4388 0 2 27540.0000 27266.4388 0.99% - 0s H 0 0 27423.693948 27266.4388 0.57% - 0s H 0 0 27268.000000 27266.4388 0.01% - 0s Cutting planes: Implied bound: 19 Explored 0 nodes (1589 simplex iterations) in 0.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.726800000000e+04, best bound 2.726643881632e+04, gap 0.0057%