Gurobi 5.0.1 (linux64) logging started Fri Jan 18 03:58:24 2013 Optimize a model with 1400 rows, 110300 columns and 230400 nonzeros Presolve removed 100 rows and 100 columns Presolve time: 0.40s Presolved: 1300 rows, 110200 columns, 220300 nonzeros Variable types: 110200 continuous, 0 integer (0 binary) Root relaxation: objective 9.481640e+05, 9158 iterations, 1.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 948163.962 0 4 - 948163.962 - - 1s 0 2 948163.962 0 4 - 948163.962 - - 3s 5 7 949049.250 3 1 - 948410.420 - 251 5s 19 21 959887.926 10 1 - 948445.858 - 248 10s * 49 19 25 950276.23626 948445.858 0.19% 155 14s 53 17 948950.568 4 1 950276.236 948445.858 0.19% 158 15s 167 7 950100.774 57 1 950276.236 949787.291 0.05% 67.3 20s Explored 213 nodes (20428 simplex iterations) in 20.70 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.502762362556e+05, best bound 9.502059930357e+05, gap 0.0074%