Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:29:05 2013 Optimize a model with 95157 rows, 94187 columns and 376457 nonzeros Presolve removed 5637 rows and 0 columns Presolve time: 0.67s Presolved: 89520 rows, 94187 columns, 365183 nonzeros Variable types: 94090 continuous, 97 integer (97 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 19819 1.2404282e+05 4.198191e+03 0.000000e+00 5s 21465 1.2466363e+05 0.000000e+00 0.000000e+00 6s Root relaxation: objective 1.246636e+05, 21465 iterations, 5.82 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 124663.627 0 3 - 124663.627 - - 6s H 0 0 126774.00000 124663.627 1.66% - 7s 0 0 124664.372 0 4 126774.000 124664.372 1.66% - 7s 0 0 124664.518 0 4 126774.000 124664.518 1.66% - 8s H 0 0 126282.90426 124664.518 1.28% - 11s 0 2 124684.173 0 4 126282.904 124684.173 1.27% - 13s 4 6 125336.598 2 2 126282.904 124801.468 1.17% 739 15s H 5 5 125007.38298 124801.468 0.16% 591 15s H 6 3 124979.50833 124801.468 0.14% 559 15s * 8 4 6 124962.00000 124801.468 0.13% 428 15s Cutting planes: Gomory: 1 Flow cover: 5 Explored 18 nodes (25851 simplex iterations) in 16.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.249620000000e+05, best bound 1.249620000000e+05, gap 0.0%