Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:54 2013 Optimize a model with 363 rows, 10923 columns and 21813 nonzeros Presolve time: 0.02s Presolved: 363 rows, 10923 columns, 21813 nonzeros Variable types: 10890 continuous, 33 integer (33 binary) Root relaxation: objective 3.610602e+04, 622 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 36106.0167 0 3 - 36106.0167 - - 0s H 0 0 36573.000000 36106.0167 1.28% - 0s 0 0 36278.2000 0 2 36573.0000 36278.2000 0.81% - 0s H 0 0 36310.000000 36278.2000 0.09% - 0s 0 0 36304.8077 0 2 36310.0000 36304.8077 0.01% - 0s 0 0 36304.8077 0 3 36310.0000 36304.8077 0.01% - 0s 0 0 36304.8077 0 2 36310.0000 36304.8077 0.01% - 0s 0 0 36304.8077 0 2 36310.0000 36304.8077 0.01% - 0s 0 0 cutoff 0 36310.0000 36310.0000 0.0% - 0s Cutting planes: Implied bound: 21 Flow cover: 4 Explored 0 nodes (1116 simplex iterations) in 0.15 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.631000000000e+04, best bound 3.631000000000e+04, gap 0.0%