Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:30:44 2013 Optimize a model with 71568 rows, 70728 columns and 282408 nonzeros Presolve removed 84 rows and 0 columns Presolve time: 0.33s Presolved: 71484 rows, 70728 columns, 282324 nonzeros Variable types: 70644 continuous, 84 integer (84 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 8194 7.3587438e+04 5.757195e+04 0.000000e+00 5s 10183 7.4450817e+04 1.002963e+01 0.000000e+00 10s 10277 7.4452384e+04 0.000000e+00 0.000000e+00 10s Root relaxation: objective 7.445238e+04, 10277 iterations, 10.28 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 74452.3835 0 63 - 74452.3835 - - 11s H 0 0 130783.00000 74452.3835 43.1% - 18s 0 0 93480.1855 0 24 130783.000 93480.1855 28.5% - 36s H 0 0 114016.00000 93480.1855 18.0% - 39s 0 0 102008.246 0 11 114016.000 102008.246 10.5% - 45s 0 0 104024.191 0 5 114016.000 104024.191 8.76% - 47s H 0 0 112739.16873 104024.191 7.73% - 47s H 0 0 109649.00000 104024.191 5.13% - 47s 0 0 104287.442 0 3 109649.000 104287.442 4.89% - 48s H 0 0 107981.02641 104287.442 3.42% - 48s H 0 0 106718.00000 104287.442 2.28% - 48s H 0 0 104473.00000 104287.442 0.18% - 49s 0 0 104345.454 0 3 104473.000 104345.454 0.12% - 50s 0 0 104345.454 0 59 104473.000 104345.454 0.12% - 60s 0 0 104345.454 0 13 104473.000 104345.454 0.12% - 72s 0 0 104345.454 0 6 104473.000 104345.454 0.12% - 75s 0 0 104345.454 0 3 104473.000 104345.454 0.12% - 77s 0 2 104351.601 0 3 104473.000 104351.601 0.12% - 80s Cutting planes: Gomory: 1 Implied bound: 69 Explored 20 nodes (47824 simplex iterations) in 82.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.044730000000e+05, best bound 1.044730000000e+05, gap 0.0%