Gurobi 5.0.1 (linux64) logging started Mon Dec 10 02:41:06 2012 Optimize a model with 5970 rows, 5940 columns and 22643 nonzeros Presolve removed 673 rows and 89 columns Presolve time: 0.04s Presolved: 5297 rows, 5851 columns, 21268 nonzeros Variable types: 5512 continuous, 339 integer (339 binary) Root relaxation: objective 1.206418e+05, 575 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 120641.792 0 27 - 120641.792 - - 0s H 0 0 124860.00000 120641.792 3.38% - 0s 0 0 120685.312 0 44 124860.000 120685.312 3.34% - 0s H 0 0 124670.00000 120685.312 3.20% - 0s 0 0 120696.069 0 49 124670.000 120696.069 3.19% - 0s 0 0 120708.619 0 50 124670.000 120708.619 3.18% - 0s 0 0 120711.184 0 48 124670.000 120711.184 3.18% - 0s 0 0 120712.037 0 51 124670.000 120712.037 3.17% - 0s 0 0 120718.311 0 50 124670.000 120718.311 3.17% - 0s 0 0 120718.603 0 53 124670.000 120718.603 3.17% - 0s 0 0 120720.430 0 51 124670.000 120720.430 3.17% - 0s 0 0 120720.845 0 49 124670.000 120720.845 3.17% - 0s 0 0 120722.448 0 50 124670.000 120722.448 3.17% - 0s 0 0 120722.916 0 51 124670.000 120722.916 3.17% - 0s 0 2 120742.744 0 51 124670.000 120742.744 3.15% - 0s H 27 25 121789.00000 120814.317 0.80% 7.8 0s * 57 41 48 121606.00000 120814.317 0.65% 6.2 0s H 177 79 121484.00000 121085.225 0.33% 6.1 0s * 550 200 31 121460.00000 121244.162 0.18% 5.9 1s * 584 210 33 121457.00000 121246.708 0.17% 5.8 1s H 659 184 121415.00000 121253.806 0.13% 5.6 1s * 789 148 25 121370.00000 121278.311 0.08% 5.5 1s * 883 125 25 121368.00000 121314.215 0.04% 5.6 1s * 996 70 25 121365.00000 121332.272 0.03% 5.4 1s Cutting planes: Gomory: 3 Cover: 2 Implied bound: 6 Flow cover: 33 Explored 1089 nodes (6323 simplex iterations) in 1.92 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.213650000000e+05, best bound 1.213528923575e+05, gap 0.0100%