Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:08 2013 Optimize a model with 1325 rows, 1275 columns and 5025 nonzeros Presolve removed 50 rows and 1 columns Presolve time: 0.01s Presolved: 1275 rows, 1274 columns, 4924 nonzeros Variable types: 1250 continuous, 24 integer (24 binary) Root relaxation: objective 9.105942e+05, 142 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 910594.189 0 3 - 910594.189 - - 0s H 0 0 919187.07500 910594.189 0.93% - 0s H 0 0 910889.56250 910594.189 0.03% - 0s 0 0 cutoff 0 910889.562 910889.562 0.0% - 0s Cutting planes: Flow cover: 7 Explored 0 nodes (147 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.108895625000e+05, best bound 9.108895625000e+05, gap 0.0000%