Gurobi 5.0.1 (linux64) logging started Wed Apr 24 09:43:34 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 11620 9.0051052e+04 2.299082e+04 0.000000e+00 5s 13400 9.1258196e+04 5.589970e+04 0.000000e+00 11s 14824 9.1726173e+04 6.827883e+03 0.000000e+00 16s 15710 9.1796203e+04 0.000000e+00 0.000000e+00 19s Root relaxation: objective 9.179620e+04, 15710 iterations, 18.60 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 91796.2030 0 76 - 91796.2030 - - 19s H 0 0 185301.00000 91796.2030 50.5% - 32s 0 0 122888.477 0 26 185301.000 122888.477 33.7% - 75s H 0 0 159672.00000 122888.477 23.0% - 94s 0 0 136557.394 0 5 159672.000 136557.394 14.5% - 109s H 0 0 153439.73123 136557.394 11.0% - 109s H 0 0 152029.00000 136557.394 10.2% - 110s 0 0 138287.133 0 1 152029.000 138287.133 9.04% - 113s H 0 0 139992.73333 138287.133 1.22% - 113s H 0 0 139807.00000 138287.133 1.09% - 113s 0 2 138287.222 0 1 139807.000 138287.222 1.09% - 114s H 1 1 139726.51520 138287.222 1.03% 0.0 115s H 2 2 139584.48680 138442.381 0.82% 254 115s H 4 4 138889.67442 138450.071 0.32% 182 116s H 8 3 138825.44361 138451.600 0.27% 227 117s H 10 4 138748.00000 138451.600 0.21% 215 118s H 11 5 138695.00000 138451.600 0.18% 204 118s * 13 4 11 138664.00000 138451.600 0.15% 191 118s Cutting planes: Gomory: 1 Implied bound: 99 Explored 17 nodes (45736 simplex iterations) in 119.27 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.386640000000e+05, best bound 1.386640000000e+05, gap 0.0%