Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:19:35 2013 Optimize a model with 93312 rows, 92352 columns and 368832 nonzeros Presolve removed 96 rows and 0 columns Presolve time: 0.46s Presolved: 93216 rows, 92352 columns, 368736 nonzeros Variable types: 92256 continuous, 96 integer (96 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 9938 8.3970865e+04 4.380737e+04 0.000000e+00 5s 11495 8.4902117e+04 1.623331e+04 0.000000e+00 10s 12977 8.5184799e+04 0.000000e+00 0.000000e+00 15s Root relaxation: objective 8.518480e+04, 12977 iterations, 15.21 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 85184.7990 0 73 - 85184.7990 - - 16s H 0 0 176079.00000 85184.7990 51.6% - 27s 0 0 112975.939 0 27 176079.000 112975.939 35.8% - 63s H 0 0 151157.00000 112975.939 25.3% - 67s 0 0 129221.393 0 10 151157.000 129221.393 14.5% - 80s H 0 0 143964.00000 129221.393 10.2% - 80s 0 0 131317.946 0 6 143964.000 131317.946 8.78% - 84s H 0 0 138496.00000 131317.946 5.18% - 84s 0 0 131325.898 0 5 138496.000 131325.898 5.18% - 85s H 0 0 131683.00000 131325.898 0.27% - 85s 0 2 131328.598 0 5 131683.000 131328.598 0.27% - 90s 27 6 131594.000 26 1 131683.000 131517.342 0.13% 118 95s * 66 5 10 131677.00000 131608.478 0.05% 113 99s Cutting planes: Implied bound: 95 Explored 71 nodes (41849 simplex iterations) in 99.89 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.316770000000e+05, best bound 1.316712584270e+05, gap 0.0044%