Gurobi 5.0.1 (linux64) logging started Wed Nov 28 19:32:23 2012 Optimize a model with 1331442 rows, 1331220 columns and 5300460 nonzeros Presolve removed 0 rows and 0 columns (presolve time = 7s) ... Presolve removed 0 rows and 0 columns (presolve time = 10s) ... Presolve removed 0 rows and 0 columns (presolve time = 15s) ... Presolve removed 5170 rows and 5170 columns Presolve time: 19.67s Presolved: 1326272 rows, 1326050 columns, 5290120 nonzeros Variable types: 1313840 continuous, 12210 integer (12210 binary) Found heuristic solution: objective 21167.000000 Found heuristic solution: objective 4577.0000000 Found heuristic solution: objective 3982.0000000 Root simplex log... Iteration Objective Primal Inf. Dual Inf. Time 21921 1.8430000e+03 5.930000e+02 0.000000e+00 11s 32214 1.8430001e+03 8.030000e+02 0.000000e+00 18s 41076 1.8430001e+03 8.650000e+02 0.000000e+00 25s 49141 1.8430002e+03 1.100000e+03 0.000000e+00 31s 56841 1.8430002e+03 1.080000e+03 0.000000e+00 38s 63531 1.8520002e+03 1.197000e+03 0.000000e+00 44s 69512 1.8820002e+03 1.126000e+03 0.000000e+00 48s 76710 1.8845002e+03 1.431500e+03 0.000000e+00 53s 83996 1.8860002e+03 1.352250e+03 0.000000e+00 58s 90584 1.9075002e+03 1.364000e+03 0.000000e+00 63s 98051 1.9095003e+03 1.585500e+03 0.000000e+00 68s 105199 1.9095003e+03 1.256000e+03 0.000000e+00 73s 112453 1.9095003e+03 1.452000e+03 0.000000e+00 79s 117530 1.9105002e+03 1.431000e+03 0.000000e+00 83s 122038 1.9105002e+03 1.485500e+03 0.000000e+00 86s 130902 1.9105002e+03 1.464000e+03 0.000000e+00 93s 135318 1.9105002e+03 1.361000e+03 0.000000e+00 97s 139801 1.9105002e+03 1.332500e+03 0.000000e+00 100s 149221 1.9105003e+03 1.440000e+03 0.000000e+00 108s 153933 1.9105003e+03 1.387500e+03 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0.000000e+00 1837s 988528 1.9235064e+03 7.720000e+02 0.000000e+00 1841s 991573 1.9235065e+03 6.233333e+02 0.000000e+00 1849s 993288 1.9235065e+03 6.230000e+02 0.000000e+00 1854s 994865 1.9235065e+03 7.640000e+02 0.000000e+00 1858s 996468 1.9235066e+03 1.161333e+03 0.000000e+00 1863s 997754 1.9235066e+03 3.282500e+02 0.000000e+00 1867s 998919 1.9235066e+03 4.522500e+02 0.000000e+00 1870s 1001621 1.9235067e+03 3.203333e+02 0.000000e+00 1878s 1002753 1.9235067e+03 2.337500e+03 0.000000e+00 1882s 1003799 1.9235067e+03 1.586750e+03 0.000000e+00 1885s 1005989 1.9235067e+03 1.005667e+03 0.000000e+00 1892s 1007016 1.9235068e+03 2.739000e+03 0.000000e+00 1896s 1009138 1.9235068e+03 8.647500e+02 0.000000e+00 1903s 1010150 1.9235068e+03 4.975000e+02 0.000000e+00 1906s 1012302 1.9235068e+03 6.425000e+02 0.000000e+00 1913s 1013199 1.9235069e+03 4.680000e+02 0.000000e+00 1916s 1015284 1.9235069e+03 8.235000e+02 0.000000e+00 1922s 1016242 1.9235069e+03 4.055000e+02 0.000000e+00 1925s 1018574 1.9235070e+03 5.873333e+02 0.000000e+00 1932s 1019808 1.9235070e+03 1.646500e+03 0.000000e+00 1936s 1021753 1.9235070e+03 2.491667e+02 0.000000e+00 1942s 1022733 1.9235071e+03 3.088333e+02 0.000000e+00 1945s 1024886 1.9235071e+03 9.530000e+02 0.000000e+00 1952s 1026739 1.9235072e+03 5.221667e+02 0.000000e+00 1957s 1027915 1.9235072e+03 2.832500e+02 0.000000e+00 1961s 1030360 1.9235073e+03 3.318333e+02 0.000000e+00 1968s 1031307 1.9235073e+03 3.348333e+02 0.000000e+00 1971s 1033772 1.9235073e+03 4.873333e+02 0.000000e+00 1977s 1034833 1.9235074e+03 6.182500e+02 0.000000e+00 1980s 1037515 1.9235074e+03 2.617500e+02 0.000000e+00 1988s 1038472 1.9235074e+03 2.095000e+02 0.000000e+00 1991s 1040872 1.9235075e+03 3.546667e+02 0.000000e+00 1998s 1042051 1.9235075e+03 5.065000e+02 0.000000e+00 2001s 1043730 1.9235075e+03 5.265000e+02 0.000000e+00 2007s 1044945 1.9235075e+03 3.053333e+02 0.000000e+00 2012s 1046501 1.9235076e+03 2.923333e+02 0.000000e+00 2017s 1055418 1.9235076e+03 1.415000e+02 0.000000e+00 2041s 1057560 1.9235076e+03 2.340000e+02 0.000000e+00 2048s 1063004 1.9235076e+03 1.130000e+02 0.000000e+00 2064s 1069489 1.9235077e+03 3.365000e+02 0.000000e+00 2092s 1074437 1.9235077e+03 3.840000e+02 0.000000e+00 2115s 1079366 1.9235077e+03 1.781667e+02 0.000000e+00 2136s 1088208 1.9235078e+03 2.185000e+02 0.000000e+00 2159s 1091740 1.9235078e+03 1.500000e+02 0.000000e+00 2168s 1095324 1.9235078e+03 9.120000e+02 0.000000e+00 2181s 1098296 1.9235078e+03 1.998333e+02 0.000000e+00 2188s 1103048 1.9235078e+03 2.515000e+02 0.000000e+00 2203s 1106610 1.9235079e+03 1.588333e+02 0.000000e+00 2213s 1109404 1.9235079e+03 1.461667e+02 0.000000e+00 2220s 1117856 1.9235079e+03 3.470000e+02 0.000000e+00 2242s 1123616 1.9235080e+03 1.771667e+02 0.000000e+00 2256s 1127039 1.9235080e+03 1.848333e+02 0.000000e+00 2266s 1135372 1.9235080e+03 2.095000e+02 0.000000e+00 2289s 1139928 1.9235081e+03 2.322500e+02 0.000000e+00 2303s 1142989 1.9235081e+03 2.339167e+02 0.000000e+00 2314s 1152533 1.9235081e+03 1.443333e+02 0.000000e+00 2341s 1154023 1.9235081e+03 1.482500e+02 0.000000e+00 2347s 1158027 1.9235082e+03 1.000000e+02 0.000000e+00 2357s 1162359 1.9235082e+03 3.130000e+02 0.000000e+00 2373s 1164454 1.9235082e+03 1.155000e+02 0.000000e+00 2377s 1167143 1.9235082e+03 1.515000e+02 0.000000e+00 2390s 1169669 1.9235082e+03 6.100000e+01 0.000000e+00 2400s 1173784 1.9235083e+03 1.922500e+02 0.000000e+00 2412s 1178033 1.9235083e+03 7.400000e+01 0.000000e+00 2425s 1180122 1.9235083e+03 1.667500e+02 0.000000e+00 2433s 1181680 1.9235083e+03 1.087500e+02 0.000000e+00 2441s 1183105 1.9235083e+03 7.375000e+01 0.000000e+00 2448s 1183778 1.9235083e+03 5.816667e+01 0.000000e+00 2450s 1184926 1.9235083e+03 1.257500e+02 0.000000e+00 2456s 1185932 1.9235083e+03 7.800000e+01 0.000000e+00 2461s 1187985 1.9235083e+03 7.575000e+01 0.000000e+00 2468s 1189588 1.9235083e+03 6.975000e+01 0.000000e+00 2475s 1195343 1.9235084e+03 1.212500e+02 0.000000e+00 2505s 1199323 1.9235084e+03 1.037500e+02 0.000000e+00 2518s 1201043 1.9235084e+03 1.087500e+02 0.000000e+00 2527s 1202383 1.9235084e+03 8.300000e+01 0.000000e+00 2538s 1205094 1.9235084e+03 1.115000e+02 0.000000e+00 2549s 1206395 1.9235084e+03 1.145000e+02 0.000000e+00 2557s 1207530 1.9235084e+03 1.130000e+02 0.000000e+00 2564s 1208635 1.9235084e+03 2.600000e+01 0.000000e+00 2570s 1209641 1.9235084e+03 3.150000e+01 0.000000e+00 2576s 1211596 1.9235084e+03 3.950000e+01 0.000000e+00 2583s 1213776 1.9235084e+03 1.200000e+01 0.000000e+00 2593s 1214346 1.9235084e+03 1.912500e+01 0.000000e+00 2596s 1215901 1.9235084e+03 5.600000e+01 0.000000e+00 2603s 1217707 1.9235085e+03 1.025000e+01 0.000000e+00 2618s 1218963 1.9235085e+03 9.500000e+00 0.000000e+00 2632s 1219337 1.9235085e+03 0.000000e+00 0.000000e+00 2637s Root relaxation: objective 1.923500e+03, 1219337 iterations, 2636.97 seconds Total elapsed time = 2745.91s Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 1923.50000 0 68 3982.00000 1923.50000 51.7% - 2750s H 0 0 2145.0000000 1923.50000 10.3% - 2798s 0 0 1937.50000 0 103 2145.00000 1937.50000 9.67% - 3222s H 0 0 2122.0000000 1937.50000 8.69% - 3245s 0 0 1937.50000 0 105 2122.00000 1937.50000 8.69% - 3266s 0 0 1937.50000 0 86 2122.00000 1937.50000 8.69% - 3454s 0 0 - 0 2122.00000 1937.50000 8.69% - 3600s Cutting planes: Gomory: 3 Zero half: 11 Explored 0 nodes (1582922 simplex iterations) in 3600.10 seconds Thread count was 1 (of 16 available processors) Time limit reached Best objective 2.122000000000e+03, best bound 1.938000000000e+03, gap 8.6711%