Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:03 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 2.513016e+04, 1131 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 25130.1585 0 22 - 25130.1585 - - 0s H 0 0 27082.000000 25130.1585 7.21% - 0s 0 0 26635.8462 0 1 27082.0000 26635.8462 1.65% - 0s H 0 0 26757.384615 26635.8462 0.45% - 0s H 0 0 26665.000000 26635.8462 0.11% - 0s H 0 0 26651.000000 26635.8462 0.06% - 0s 0 2 26637.0000 0 1 26651.0000 26637.0000 0.05% - 0s Cutting planes: Implied bound: 19 Explored 2 nodes (1488 simplex iterations) in 0.44 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.665100000000e+04, best bound 2.664875609756e+04, gap 0.0084%