Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:19 2013 Optimize a model with 14858 rows, 14478 columns and 57798 nonzeros Presolve removed 591 rows and 0 columns Presolve time: 0.08s Presolved: 14267 rows, 14478 columns, 56616 nonzeros Variable types: 14440 continuous, 38 integer (38 binary) Root relaxation: objective 3.455986e+04, 1538 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 34559.8554 0 3 - 34559.8554 - - 0s H 0 0 35083.000000 34559.8554 1.49% - 0s 0 0 34566.8395 0 4 35083.0000 34566.8395 1.47% - 0s 0 0 34566.8494 0 4 35083.0000 34566.8494 1.47% - 0s H 0 0 34954.000000 34566.8494 1.11% - 0s 0 2 34820.0000 0 1 34954.0000 34820.0000 0.38% - 0s * 2 2 2 34915.000000 34848.9697 0.19% 105 0s Cutting planes: Gomory: 1 Flow cover: 2 Explored 5 nodes (1848 simplex iterations) in 0.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.491500000000e+04, best bound 3.491500000000e+04, gap 0.0%