Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:56 2013 Optimize a model with 7587 rows, 7317 columns and 29187 nonzeros Presolve removed 453 rows and 0 columns Presolve time: 0.04s Presolved: 7134 rows, 7317 columns, 28281 nonzeros Variable types: 7290 continuous, 27 integer (27 binary) Root relaxation: objective 2.663585e+04, 847 iterations, 0.03 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 26635.8462 0 1 - 26635.8462 - - 0s H 0 0 26651.000000 26635.8462 0.06% - 0s 0 0 26636.1497 0 2 26651.0000 26636.1497 0.06% - 0s 0 0 26636.1727 0 2 26651.0000 26636.1727 0.06% - 0s 0 0 26636.6352 0 2 26651.0000 26636.6352 0.05% - 0s 0 0 26641.5000 0 1 26651.0000 26641.5000 0.04% - 0s 0 0 26641.5000 0 1 26651.0000 26641.5000 0.04% - 0s 0 0 26641.5000 0 1 26651.0000 26641.5000 0.04% - 0s 0 0 26647.0526 0 1 26651.0000 26647.0526 0.01% - 0s Cutting planes: Gomory: 1 Explored 0 nodes (1167 simplex iterations) in 0.29 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.665100000000e+04, best bound 2.665100000000e+04, gap 0.0%