Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:41:59 2013 Optimize a model with 99198 rows, 98208 columns and 392238 nonzeros Presolve removed 99 rows and 0 columns Presolve time: 0.51s Presolved: 99099 rows, 98208 columns, 392139 nonzeros Variable types: 98109 continuous, 99 integer (99 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 10067 8.9118185e+04 1.191475e+06 0.000000e+00 5s 11491 9.0305453e+04 1.200760e+04 0.000000e+00 10s 12915 9.0881282e+04 1.145265e+05 0.000000e+00 15s 13952 9.1039041e+04 0.000000e+00 0.000000e+00 19s Root relaxation: objective 9.103904e+04, 13952 iterations, 19.05 seconds Total elapsed time = 20.14s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 91039.0415 0 72 - 91039.0415 - - 20s H 0 0 187709.00000 91039.0415 51.5% - 27s 0 0 128409.690 0 23 187709.000 128409.690 31.6% - 62s H 0 0 152699.00000 128409.690 15.9% - 67s 0 0 136249.500 0 8 152699.000 136249.500 10.8% - 76s 0 0 138412.077 0 7 152699.000 138412.077 9.36% - 82s 0 0 139067.080 0 5 152699.000 139067.080 8.93% - 84s H 0 0 147019.86426 139067.080 5.41% - 84s H 0 0 144855.00000 139067.080 4.00% - 84s H 0 0 139633.00000 139067.080 0.41% - 85s 0 0 139413.653 0 4 139633.000 139413.653 0.16% - 87s 0 0 139511.528 0 3 139633.000 139511.528 0.09% - 88s 0 0 139627.328 0 1 139633.000 139627.328 0.00% - 90s Cutting planes: Gomory: 1 Implied bound: 99 Explored 0 nodes (40149 simplex iterations) in 90.72 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.396330000000e+05, best bound 1.396273283582e+05, gap 0.0041%