Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:04 2013 Optimize a model with 7614 rows, 7344 columns and 29214 nonzeros Presolve removed 27 rows and 0 columns Presolve time: 0.04s Presolved: 7587 rows, 7344 columns, 29187 nonzeros Variable types: 7317 continuous, 27 integer (27 binary) Root relaxation: objective 3.132254e+04, 1362 iterations, 0.16 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 31322.5399 0 22 - 31322.5399 - - 0s H 0 0 34080.000000 31322.5399 8.09% - 0s 0 0 33529.0552 0 2 34080.0000 33529.0552 1.62% - 0s H 0 0 33680.965517 33529.0552 0.45% - 0s H 0 0 33541.000000 33529.0552 0.04% - 0s 0 0 33530.8571 0 1 33541.0000 33530.8571 0.03% - 0s H 0 0 33538.000000 33530.8571 0.02% - 0s 0 0 cutoff 0 33538.0000 33538.0000 0.0% - 0s Cutting planes: Implied bound: 20 Explored 1 nodes (1700 simplex iterations) in 0.49 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.353800000000e+04, best bound 3.353800000000e+04, gap 0.0%