Gurobi 5.0.1 (linux64) logging started Fri Jan 18 01:45:56 2013 Optimize a model with 5700 rows, 30100 columns and 70050 nonzeros Presolve removed 150 rows and 100 columns Presolve time: 0.26s Presolved: 5550 rows, 30000 columns, 64900 nonzeros Variable types: 27550 continuous, 2450 integer (2450 binary) Root relaxation: objective 2.246016e+05, 7100 iterations, 0.31 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 224601.597 0 1 - 224601.597 - - 0s H 0 0 225547.12966 224601.597 0.42% - 0s 0 0 224717.255 0 1 225547.130 224717.255 0.37% - 0s 0 0 224774.805 0 1 225547.130 224774.805 0.34% - 0s 0 0 224778.776 0 1 225547.130 224778.776 0.34% - 0s 0 0 224778.776 0 1 225547.130 224778.776 0.34% - 0s 0 0 224782.633 0 1 225547.130 224782.633 0.34% - 1s 0 0 224782.633 0 1 225547.130 224782.633 0.34% - 1s 0 0 224782.633 0 1 225547.130 224782.633 0.34% - 1s 0 0 224784.062 0 2 225547.130 224784.062 0.34% - 1s 0 0 224784.956 0 2 225547.130 224784.956 0.34% - 1s 0 0 224787.186 0 2 225547.130 224787.186 0.34% - 1s 0 0 224789.047 0 2 225547.130 224789.047 0.34% - 1s 0 0 224791.359 0 2 225547.130 224791.359 0.34% - 1s 0 0 224795.447 0 2 225547.130 224795.447 0.33% - 1s 0 2 224795.584 0 2 225547.130 224795.584 0.33% - 1s * 2 2 2 224847.24808 224847.248 0.0% 50.0 1s Cutting planes: Gomory: 2 Flow cover: 5 Explored 3 nodes (7364 simplex iterations) in 1.97 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.248472480793e+05, best bound 2.248472480793e+05, gap 0.0%