Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:02:26 2013 Optimize a model with 58672 rows, 57912 columns and 231192 nonzeros Presolve removed 76 rows and 0 columns Presolve time: 0.26s Presolved: 58596 rows, 57912 columns, 231116 nonzeros Variable types: 57836 continuous, 76 integer (76 binary) Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 7439 6.6905157e+04 7.253915e+03 0.000000e+00 5s 8528 6.7221107e+04 0.000000e+00 0.000000e+00 7s Root relaxation: objective 6.722111e+04, 8528 iterations, 7.28 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 67221.1072 0 64 - 67221.1072 - - 7s H 0 0 119664.00000 67221.1072 43.8% - 11s 0 0 90819.0050 0 12 119664.000 90819.0050 24.1% - 21s H 0 0 110979.94094 90819.0050 18.2% - 21s H 0 0 107208.00000 90819.0050 15.3% - 21s H 0 0 106484.00000 90819.0050 14.7% - 22s 0 0 94485.5286 0 7 106484.000 94485.5286 11.3% - 23s H 0 0 100274.04535 94485.5286 5.77% - 23s H 0 0 99138.000000 94485.5286 4.69% - 23s 0 0 94789.7619 0 6 99138.0000 94789.7619 4.39% - 24s 0 0 94828.2190 0 4 99138.0000 94828.2190 4.35% - 25s H 0 0 94931.000000 94828.2190 0.11% - 25s 0 0 94847.7857 0 1 94931.0000 94847.7857 0.09% - 26s 0 0 94847.7857 0 54 94931.0000 94847.7857 0.09% - 34s 0 0 94847.7857 0 4 94931.0000 94847.7857 0.09% - 43s 0 0 94847.7857 0 4 94931.0000 94847.7857 0.09% - 44s 0 0 94847.7857 0 1 94931.0000 94847.7857 0.09% - 45s 0 0 94909.3500 0 1 94931.0000 94909.3500 0.02% - 45s 0 0 94911.1404 0 1 94931.0000 94911.1404 0.02% - 46s 0 0 cutoff 0 94931.0000 94931.0000 0.0% - 46s Cutting planes: Gomory: 1 Implied bound: 56 Explored 0 nodes (32969 simplex iterations) in 46.22 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.493100000000e+04, best bound 9.493100000000e+04, gap 0.0%