Gurobi 5.0.1 (linux64) logging started Mon Nov 19 17:18:52 2012 Optimize a model with 9549 rows, 195 columns and 19098 nonzeros Presolve removed 6948 rows and 0 columns Presolve time: 0.49s Presolved: 2601 rows, 195 columns, 19802 nonzeros Variable types: 0 continuous, 195 integer (195 binary) Found heuristic solution: objective 9.0000000 Root relaxation: objective 2.253187e+01, 1212 iterations, 0.15 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 22.53187 0 193 9.00000 22.53187 150% - 0s H 0 0 10.0000000 22.53187 125% - 0s 0 0 21.74217 0 194 10.00000 21.74217 117% - 1s 0 0 21.60258 0 194 10.00000 21.60258 116% - 1s 0 0 21.49021 0 195 10.00000 21.49021 115% - 1s 0 0 21.43800 0 195 10.00000 21.43800 114% - 2s 0 0 21.40711 0 195 10.00000 21.40711 114% - 2s 0 0 21.39242 0 195 10.00000 21.39242 114% - 2s 0 0 21.38864 0 195 10.00000 21.38864 114% - 2s 0 0 21.38313 0 195 10.00000 21.38313 114% - 3s 0 0 21.38037 0 195 10.00000 21.38037 114% - 3s 0 0 21.37567 0 195 10.00000 21.37567 114% - 3s 0 0 21.37455 0 195 10.00000 21.37455 114% - 4s 0 2 21.37437 0 195 10.00000 21.37437 114% - 5s 204 181 18.13882 3 110 10.00000 21.08211 111% 131 10s 434 347 14.41748 20 85 10.00000 20.43814 104% 116 15s H 600 424 11.0000000 19.90875 81.0% 108 23s 603 421 13.24677 30 192 11.00000 19.90875 81.0% 107 25s 609 425 13.89908 28 195 11.00000 19.90875 81.0% 106 30s 616 430 15.71380 7 195 11.00000 19.90875 81.0% 105 35s 622 434 13.05383 31 195 11.00000 19.90875 81.0% 104 40s 628 438 13.33736 34 195 11.00000 19.90875 81.0% 103 45s 632 443 19.90875 10 194 11.00000 19.90875 81.0% 108 51s 651 455 16.44513 19 93 11.00000 19.90875 81.0% 129 55s 684 477 18.90144 36 165 11.00000 18.94195 72.2% 152 60s 747 519 12.83904 67 60 11.00000 17.47113 58.8% 183 65s 877 518 16.52736 25 99 11.00000 17.46841 58.8% 183 70s 1016 508 14.79581 30 85 11.00000 17.17651 56.2% 169 75s 1152 527 14.18377 39 80 11.00000 16.83717 53.1% 156 80s 1261 552 15.70305 19 89 11.00000 16.75525 52.3% 147 86s 1369 594 12.59569 16 49 11.00000 16.70170 51.8% 140 90s 1560 608 12.40241 21 47 11.00000 16.43970 49.5% 129 95s 2011 635 13.36719 23 54 11.00000 15.92312 44.8% 113 100s 2445 829 12.19118 31 49 11.00000 15.65624 42.3% 103 105s 2759 867 12.56466 36 47 11.00000 15.28190 38.9% 98.0 110s 3093 936 12.10270 28 45 11.00000 14.97235 36.1% 94.5 115s 3367 906 14.58199 37 76 11.00000 14.70770 33.7% 92.8 120s 3633 893 12.14035 34 44 11.00000 14.49631 31.8% 91.1 125s 3901 873 12.33506 68 59 11.00000 14.19179 29.0% 89.6 130s 4221 798 cutoff 12 11.00000 13.69497 24.5% 87.7 135s 4737 587 cutoff 60 11.00000 13.09064 19.0% 83.1 140s Cutting planes: Gomory: 7 Clique: 89 Zero half: 10 Explored 5453 nodes (413315 simplex iterations) in 144.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%