--- Job bell5 Start 08/21/08 03:34:39 GAMS Rev 227 Copyright (C) 1987-2008 GAMS Development. All rights reserved Licensee: Stefan Vigerske G071106/0001CB-LNX Humboldt University Berlin, Numerical Mathematics DC5918 --- Starting compilation --- bell5.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/bell5.gdx --- bell5.gms(148) 3 Mb --- Starting execution: elapsed 0:00:00.006 --- bell5.gms(123) 4 Mb --- Generating MIP model m --- bell5.gms(124) 4 Mb --- 92 rows 105 columns 341 non-zeroes --- 58 discrete-columns --- Executing COINCBC: elapsed 0:00:00.010 GAMS/CoinCbc 2.0 LP/MIP Solver written by J. Forrest Problem statistics: 104 columns and 91 rows. 58 variables have integrality restrictions. Calling CBC main solution routine... Coin Cbc and Clp Solver version 2.00.00, build Mar 20 2008 command line - GAMS/CBC -solve -quit Continuous objective value is 8.60842e+06 - -0.00 seconds 0 fixed, 6 tightened bounds, 1 strengthened rows, 0 substitutions 0 fixed, 5 tightened bounds, 1 strengthened rows, 0 substitutions 0 fixed, 3 tightened bounds, 1 strengthened rows, 0 substitutions 0 fixed, 2 tightened bounds, 1 strengthened rows, 0 substitutions 0 fixed, 2 tightened bounds, 1 strengthened rows, 0 substitutions 0 fixed, 2 tightened bounds, 1 strengthened rows, 0 substitutions 0 fixed, 2 tightened bounds, 1 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 1 strengthened rows, 0 substitutions processed model has 85 rows, 101 columns (57 integer) and 251 elements Pass 1: obj. 0.44490 --> up = 0 , down = 0 -- rand = 9 ( 28) Full problem 86 rows 101 columns, reduced to 45 rows 52 columns Pass 2: obj. -0.00000 --> up = 0 , down = 0 -- rand = 0 ( 16) - solution found of 8.94929e+06 - cleaned solution of 9.06377e+06 Before mini branch and bound, 27 integers at bound fixed and 17 continuous of which 1 were internal integer and 0 internal continuous Full problem 85 rows 101 columns, reduced to 22 rows 27 columns Mini branch and bound improved solution from 9.06377e+06 to 9.05759e+06 (0.10 seconds) Round again with cutoff of 9.01267e+06 Pass 3: obj. 0.44490 --> up = 0 , down = 0 -- rand = 9 ( 10) Pass 4: obj. -0.00000 --> up = 0 , down = 0 -- rand = 0 ( 23) - solution found of 9.01267e+06 - mini branch and bound could not fix general integers No solution found this major pass Before mini branch and bound, 24 integers at bound fixed and 12 continuous of which 1 were internal integer and 0 internal continuous Full problem 85 rows 101 columns, reduced to 37 rows 40 columns Mini branch and bound did not improve solution (0.16 seconds) After 0.16 seconds - Feasibility pump exiting - took 0.16 seconds Integer solution of 9.05759e+06 found by feasibility pump after 0 iterations and 0 nodes (0.16 seconds) Full problem 85 rows 101 columns, reduced to 50 rows 51 columns Integer solution of 9.01981e+06 found by combine solutions after 830 iterations and 0 nodes (0.72 seconds) 16 added rows had average density of 32.75 At root node, 16 cuts changed objective from 8.60842e+06 to 8.93991e+06 in 100 passes Cut generator 0 (Probing) - 91 row cuts (2 active), 24 column cuts in 0.324 seconds - new frequency is 1 Cut generator 1 (Gomory) - 1135 row cuts (11 active), 0 column cuts in 0.032 seconds - new frequency is 1 Cut generator 2 (Knapsack) - 0 row cuts (0 active), 0 column cuts in 0.016 seconds - new frequency is -100 Cut generator 3 (Clique) - 0 row cuts (0 active), 0 column cuts in 0.000 seconds - new frequency is -100 Cut generator 4 (MixedIntegerRounding2) - 60 row cuts (1 active), 0 column cuts in 0.016 seconds - new frequency is -100 Cut generator 5 (FlowCover) - 0 row cuts (0 active), 0 column cuts in -0.000 seconds - new frequency is -100 Cut generator 6 (TwoMirCuts) - 132 row cuts (2 active), 0 column cuts in 0.012 seconds - new frequency is -100 After 0 nodes, 1 on tree, 9.01981e+06 best solution, best possible 8.93991e+06 (0.74 seconds) Integer solution of 8.98537e+06 found by rounding after 1170 iterations and 27 nodes (0.95 seconds) Full problem 85 rows 101 columns, reduced to 47 rows 52 columns Integer solution of 8.96766e+06 found by combine solutions after 1177 iterations and 28 nodes (1.15 seconds) Integer solution of 8.96694e+06 found by rounding after 1311 iterations and 50 nodes (1.24 seconds) Full problem 85 rows 101 columns, reduced to 47 rows 52 columns Integer solution of 8.96641e+06 found by combine solutions after 1312 iterations and 51 nodes (1.43 seconds) After 1000 nodes, 144 on tree, 8.96641e+06 best solution, best possible 8.95671e+06 (2.24 seconds) After 2000 nodes, 297 on tree, 8.96641e+06 best solution, best possible 8.95671e+06 (2.73 seconds) After 3000 nodes, 364 on tree, 8.96641e+06 best solution, best possible 8.95671e+06 (3.15 seconds) After 4000 nodes, 480 on tree, 8.96641e+06 best solution, best possible 8.95671e+06 (3.56 seconds) After 5000 nodes, 607 on tree, 8.96641e+06 best solution, best possible 8.95673e+06 (4.02 seconds) After 6000 nodes, 705 on tree, 8.96641e+06 best solution, best possible 8.95673e+06 (4.46 seconds) After 7000 nodes, 860 on tree, 8.96641e+06 best solution, best possible 8.95673e+06 (4.91 seconds) After 8000 nodes, 1052 on tree, 8.96641e+06 best solution, best possible 8.95673e+06 (5.34 seconds) After 9000 nodes, 1142 on tree, 8.96641e+06 best solution, best possible 8.95673e+06 (5.78 seconds) After 10000 nodes, 1268 on tree, 8.96641e+06 best solution, best possible 8.95673e+06 (6.20 seconds) After 11000 nodes, 1384 on tree, 8.96641e+06 best solution, best possible 8.95673e+06 (6.70 seconds) After 12000 nodes, 1813 on tree, 8.96641e+06 best solution, best possible 8.96182e+06 (7.28 seconds) After 13000 nodes, 2152 on tree, 8.96641e+06 best solution, best possible 8.96233e+06 (7.82 seconds) After 14000 nodes, 2290 on tree, 8.96641e+06 best solution, best possible 8.96233e+06 (8.22 seconds) After 15000 nodes, 2665 on tree, 8.96641e+06 best solution, best possible 8.96268e+06 (8.70 seconds) After 16000 nodes, 2979 on tree, 8.96641e+06 best solution, best possible 8.96288e+06 (9.24 seconds) After 17000 nodes, 3279 on tree, 8.96641e+06 best solution, best possible 8.96303e+06 (9.78 seconds) After 18000 nodes, 3291 on tree, 8.96641e+06 best solution, best possible 8.96303e+06 (10.17 seconds) After 19000 nodes, 3598 on tree, 8.96641e+06 best solution, best possible 8.96316e+06 (10.71 seconds) After 20000 nodes, 3882 on tree, 8.96641e+06 best solution, best possible 8.96328e+06 (11.24 seconds) After 21000 nodes, 4186 on tree, 8.96641e+06 best solution, best possible 8.96338e+06 (11.78 seconds) After 22000 nodes, 4176 on tree, 8.96641e+06 best solution, best possible 8.96338e+06 (12.18 seconds) After 23000 nodes, 4498 on tree, 8.96641e+06 best solution, best possible 8.96349e+06 (12.73 seconds) After 24000 nodes, 4729 on tree, 8.96641e+06 best solution, best possible 8.96359e+06 (13.28 seconds) After 25000 nodes, 4977 on tree, 8.96641e+06 best solution, best possible 8.96367e+06 (13.83 seconds) After 26000 nodes, 4931 on tree, 8.96641e+06 best solution, best possible 8.96367e+06 (14.22 seconds) After 27000 nodes, 5220 on tree, 8.96641e+06 best solution, best possible 8.96375e+06 (14.76 seconds) After 28000 nodes, 5472 on tree, 8.96641e+06 best solution, best possible 8.96382e+06 (15.27 seconds) After 29000 nodes, 5716 on tree, 8.96641e+06 best solution, best possible 8.96387e+06 (15.73 seconds) After 30000 nodes, 5681 on tree, 8.96641e+06 best solution, best possible 8.96387e+06 (16.13 seconds) After 31000 nodes, 5958 on tree, 8.96641e+06 best solution, best possible 8.96394e+06 (16.60 seconds) After 32000 nodes, 6176 on tree, 8.96641e+06 best solution, best possible 8.96399e+06 (17.10 seconds) After 33000 nodes, 6407 on tree, 8.96641e+06 best solution, best possible 8.96405e+06 (17.59 seconds) After 34000 nodes, 6378 on tree, 8.96641e+06 best solution, best possible 8.96405e+06 (17.98 seconds) After 35000 nodes, 6650 on tree, 8.96641e+06 best solution, best possible 8.96411e+06 (18.48 seconds) After 36000 nodes, 6884 on tree, 8.96641e+06 best solution, best possible 8.96416e+06 (18.96 seconds) After 37000 nodes, 7093 on tree, 8.96641e+06 best solution, best possible 8.96421e+06 (19.44 seconds) After 38000 nodes, 7015 on tree, 8.96641e+06 best solution, best possible 8.96421e+06 (19.84 seconds) After 39000 nodes, 7281 on tree, 8.96641e+06 best solution, best possible 8.96426e+06 (20.36 seconds) After 40000 nodes, 7522 on tree, 8.96641e+06 best solution, best possible 8.9643e+06 (20.85 seconds) After 41000 nodes, 7721 on tree, 8.96641e+06 best solution, best possible 8.96434e+06 (21.31 seconds) Integer solution of 8.96641e+06 found after 79875 iterations and 41896 nodes (21.67 seconds) Full problem 85 rows 101 columns, reduced to 47 rows 52 columns After 42000 nodes, 7682 on tree, 8.96641e+06 best solution, best possible 8.96434e+06 (21.91 seconds) After 43000 nodes, 7927 on tree, 8.96641e+06 best solution, best possible 8.96439e+06 (22.41 seconds) After 44000 nodes, 8157 on tree, 8.96641e+06 best solution, best possible 8.96443e+06 (22.93 seconds) After 45000 nodes, 8356 on tree, 8.96641e+06 best solution, best possible 8.96447e+06 (23.43 seconds) After 46000 nodes, 8277 on tree, 8.96641e+06 best solution, best possible 8.96447e+06 (23.80 seconds) After 47000 nodes, 8536 on tree, 8.96641e+06 best solution, best possible 8.96452e+06 (24.30 seconds) After 48000 nodes, 8746 on tree, 8.96641e+06 best solution, best possible 8.96455e+06 (24.81 seconds) After 49000 nodes, 8910 on tree, 8.96641e+06 best solution, best possible 8.96458e+06 (25.29 seconds) After 50000 nodes, 8858 on tree, 8.96641e+06 best solution, best possible 8.96458e+06 (25.65 seconds) After 51000 nodes, 9039 on tree, 8.96641e+06 best solution, best possible 8.96462e+06 (26.18 seconds) After 52000 nodes, 9222 on tree, 8.96641e+06 best solution, best possible 8.96465e+06 (26.69 seconds) After 53000 nodes, 9367 on tree, 8.96641e+06 best solution, best possible 8.96468e+06 (27.15 seconds) After 54000 nodes, 9288 on tree, 8.96641e+06 best solution, best possible 8.96468e+06 (27.52 seconds) After 55000 nodes, 9479 on tree, 8.96641e+06 best solution, best possible 8.96471e+06 (28.02 seconds) After 56000 nodes, 9644 on tree, 8.96641e+06 best solution, best possible 8.96474e+06 (28.50 seconds) After 57000 nodes, 9750 on tree, 8.96641e+06 best solution, best possible 8.96477e+06 (28.97 seconds) After 58000 nodes, 9671 on tree, 8.96641e+06 best solution, best possible 8.96477e+06 (29.37 seconds) After 59000 nodes, 9863 on tree, 8.96641e+06 best solution, best possible 8.9648e+06 (29.86 seconds) After 60000 nodes, 10032 on tree, 8.96641e+06 best solution, best possible 8.96483e+06 (30.31 seconds) After 61000 nodes, 9817 on tree, 8.96641e+06 best solution, best possible 8.96483e+06 (30.65 seconds) After 62000 nodes, 9761 on tree, 8.96641e+06 best solution, best possible 8.96483e+06 (31.04 seconds) After 63000 nodes, 9927 on tree, 8.96641e+06 best solution, best possible 8.96486e+06 (31.53 seconds) After 64000 nodes, 10081 on tree, 8.96641e+06 best solution, best possible 8.96489e+06 (32.02 seconds) After 65000 nodes, 10043 on tree, 8.96641e+06 best solution, best possible 8.96489e+06 (32.35 seconds) After 66000 nodes, 10161 on tree, 8.96641e+06 best solution, best possible 8.96492e+06 (32.82 seconds) After 67000 nodes, 10082 on tree, 8.96641e+06 best solution, best possible 8.96492e+06 (33.20 seconds) After 68000 nodes, 10024 on tree, 8.96641e+06 best solution, best possible 8.96492e+06 (33.58 seconds) After 69000 nodes, 9923 on tree, 8.96641e+06 best solution, best possible 8.96492e+06 (33.94 seconds) After 70000 nodes, 9851 on tree, 8.96641e+06 best solution, best possible 8.96492e+06 (34.31 seconds) After 71000 nodes, 9975 on tree, 8.96641e+06 best solution, best possible 8.96495e+06 (34.77 seconds) After 72000 nodes, 10103 on tree, 8.96641e+06 best solution, best possible 8.96498e+06 (35.25 seconds) After 73000 nodes, 9720 on tree, 8.96641e+06 best solution, best possible 8.96498e+06 (35.67 seconds) After 74000 nodes, 9649 on tree, 8.96641e+06 best solution, best possible 8.96498e+06 (36.05 seconds) After 75000 nodes, 9770 on tree, 8.96641e+06 best solution, best possible 8.96501e+06 (36.55 seconds) After 76000 nodes, 9896 on tree, 8.96641e+06 best solution, best possible 8.96503e+06 (37.02 seconds) After 77000 nodes, 9982 on tree, 8.96641e+06 best solution, best possible 8.96506e+06 (37.48 seconds) After 78000 nodes, 9895 on tree, 8.96641e+06 best solution, best possible 8.96506e+06 (37.86 seconds) After 79000 nodes, 10028 on tree, 8.96641e+06 best solution, best possible 8.96508e+06 (38.34 seconds) After 80000 nodes, 9958 on tree, 8.96641e+06 best solution, best possible 8.96508e+06 (38.71 seconds) After 81000 nodes, 10099 on tree, 8.96641e+06 best solution, best possible 8.96511e+06 (39.21 seconds) After 82000 nodes, 10200 on tree, 8.96641e+06 best solution, best possible 8.96514e+06 (39.68 seconds) After 83000 nodes, 10097 on tree, 8.96641e+06 best solution, best possible 8.96514e+06 (40.05 seconds) After 84000 nodes, 10018 on tree, 8.96641e+06 best solution, best possible 8.96514e+06 (40.41 seconds) After 85000 nodes, 9798 on tree, 8.96641e+06 best solution, best possible 8.96514e+06 (40.79 seconds) After 86000 nodes, 9759 on tree, 8.96641e+06 best solution, best possible 8.96514e+06 (41.15 seconds) After 87000 nodes, 9866 on tree, 8.96641e+06 best solution, best possible 8.96517e+06 (41.63 seconds) After 88000 nodes, 9986 on tree, 8.96641e+06 best solution, best possible 8.96519e+06 (42.08 seconds) After 89000 nodes, 10079 on tree, 8.96641e+06 best solution, best possible 8.96521e+06 (42.54 seconds) After 90000 nodes, 10160 on tree, 8.96641e+06 best solution, best possible 8.96523e+06 (42.99 seconds) After 91000 nodes, 10054 on tree, 8.96641e+06 best solution, best possible 8.96523e+06 (43.38 seconds) After 92000 nodes, 9986 on tree, 8.96641e+06 best solution, best possible 8.96523e+06 (43.74 seconds) After 93000 nodes, 10093 on tree, 8.96641e+06 best solution, best possible 8.96526e+06 (44.23 seconds) After 94000 nodes, 10202 on tree, 8.96641e+06 best solution, best possible 8.96528e+06 (44.71 seconds) After 95000 nodes, 10098 on tree, 8.96641e+06 best solution, best possible 8.96528e+06 (45.09 seconds) After 96000 nodes, 10007 on tree, 8.96641e+06 best solution, best possible 8.96528e+06 (45.46 seconds) After 97000 nodes, 9706 on tree, 8.96641e+06 best solution, best possible 8.96528e+06 (45.85 seconds) After 98000 nodes, 9619 on tree, 8.96641e+06 best solution, best possible 8.96528e+06 (46.25 seconds) After 99000 nodes, 9717 on tree, 8.96641e+06 best solution, best possible 8.96531e+06 (46.75 seconds) After 100000 nodes, 9765 on tree, 8.96641e+06 best solution, best possible 8.96533e+06 (47.22 seconds) After 101000 nodes, 9803 on tree, 8.96641e+06 best solution, best possible 8.96535e+06 (47.69 seconds) After 102000 nodes, 9690 on tree, 8.96641e+06 best solution, best possible 8.96535e+06 (48.11 seconds) After 103000 nodes, 9770 on tree, 8.96641e+06 best solution, best possible 8.96538e+06 (48.57 seconds) After 104000 nodes, 9852 on tree, 8.96641e+06 best solution, best possible 8.9654e+06 (49.02 seconds) After 105000 nodes, 9924 on tree, 8.96641e+06 best solution, best possible 8.96542e+06 (49.48 seconds) After 106000 nodes, 9774 on tree, 8.96641e+06 best solution, best possible 8.96542e+06 (49.88 seconds) After 107000 nodes, 9835 on tree, 8.96641e+06 best solution, best possible 8.96544e+06 (50.35 seconds) After 108000 nodes, 9853 on tree, 8.96641e+06 best solution, best possible 8.96546e+06 (50.82 seconds) After 109000 nodes, 9858 on tree, 8.96641e+06 best solution, best possible 8.96548e+06 (51.29 seconds) After 110000 nodes, 9714 on tree, 8.96641e+06 best solution, best possible 8.96548e+06 (51.67 seconds) After 111000 nodes, 9739 on tree, 8.96641e+06 best solution, best possible 8.9655e+06 (52.14 seconds) After 112000 nodes, 9791 on tree, 8.96641e+06 best solution, best possible 8.96552e+06 (52.58 seconds) After 113000 nodes, 9842 on tree, 8.96641e+06 best solution, best possible 8.96554e+06 (53.00 seconds) After 114000 nodes, 9670 on tree, 8.96641e+06 best solution, best possible 8.96554e+06 (53.37 seconds) After 115000 nodes, 9722 on tree, 8.96641e+06 best solution, best possible 8.96556e+06 (53.80 seconds) After 116000 nodes, 9761 on tree, 8.96641e+06 best solution, best possible 8.96558e+06 (54.24 seconds) After 117000 nodes, 9744 on tree, 8.96641e+06 best solution, best possible 8.9656e+06 (54.68 seconds) After 118000 nodes, 9587 on tree, 8.96641e+06 best solution, best possible 8.9656e+06 (55.04 seconds) After 119000 nodes, 9630 on tree, 8.96641e+06 best solution, best possible 8.96563e+06 (55.48 seconds) After 120000 nodes, 9642 on tree, 8.96641e+06 best solution, best possible 8.96565e+06 (55.92 seconds) After 121000 nodes, 9626 on tree, 8.96641e+06 best solution, best possible 8.96567e+06 (56.35 seconds) After 122000 nodes, 9478 on tree, 8.96641e+06 best solution, best possible 8.96567e+06 (56.71 seconds) After 123000 nodes, 9509 on tree, 8.96641e+06 best solution, best possible 8.96569e+06 (57.14 seconds) After 124000 nodes, 9524 on tree, 8.96641e+06 best solution, best possible 8.9657e+06 (57.56 seconds) After 125000 nodes, 9501 on tree, 8.96641e+06 best solution, best possible 8.96572e+06 (57.98 seconds) After 126000 nodes, 9334 on tree, 8.96641e+06 best solution, best possible 8.96572e+06 (58.34 seconds) After 127000 nodes, 9370 on tree, 8.96641e+06 best solution, best possible 8.96574e+06 (58.76 seconds) After 128000 nodes, 9335 on tree, 8.96641e+06 best solution, best possible 8.96576e+06 (59.19 seconds) After 129000 nodes, 9284 on tree, 8.96641e+06 best solution, best possible 8.96578e+06 (59.59 seconds) After 130000 nodes, 9135 on tree, 8.96641e+06 best solution, best possible 8.96578e+06 (59.94 seconds) After 131000 nodes, 9079 on tree, 8.96641e+06 best solution, best possible 8.9658e+06 (60.37 seconds) After 132000 nodes, 9009 on tree, 8.96641e+06 best solution, best possible 8.96581e+06 (60.77 seconds) After 133000 nodes, 8921 on tree, 8.96641e+06 best solution, best possible 8.96582e+06 (61.17 seconds) After 134000 nodes, 8757 on tree, 8.96641e+06 best solution, best possible 8.96582e+06 (61.53 seconds) After 135000 nodes, 8723 on tree, 8.96641e+06 best solution, best possible 8.96584e+06 (61.95 seconds) After 136000 nodes, 8638 on tree, 8.96641e+06 best solution, best possible 8.96585e+06 (62.36 seconds) After 137000 nodes, 8502 on tree, 8.96641e+06 best solution, best possible 8.96586e+06 (62.76 seconds) After 138000 nodes, 8356 on tree, 8.96641e+06 best solution, best possible 8.96586e+06 (63.13 seconds) After 139000 nodes, 8307 on tree, 8.96641e+06 best solution, best possible 8.96588e+06 (63.55 seconds) After 140000 nodes, 8229 on tree, 8.96641e+06 best solution, best possible 8.9659e+06 (63.94 seconds) After 141000 nodes, 8110 on tree, 8.96641e+06 best solution, best possible 8.96591e+06 (64.33 seconds) After 142000 nodes, 7982 on tree, 8.96641e+06 best solution, best possible 8.96591e+06 (64.70 seconds) After 143000 nodes, 7912 on tree, 8.96641e+06 best solution, best possible 8.96593e+06 (65.12 seconds) After 144000 nodes, 7820 on tree, 8.96641e+06 best solution, best possible 8.96594e+06 (65.53 seconds) After 145000 nodes, 7708 on tree, 8.96641e+06 best solution, best possible 8.96595e+06 (65.92 seconds) After 146000 nodes, 7555 on tree, 8.96641e+06 best solution, best possible 8.96595e+06 (66.29 seconds) After 147000 nodes, 7434 on tree, 8.96641e+06 best solution, best possible 8.96597e+06 (66.70 seconds) After 148000 nodes, 7287 on tree, 8.96641e+06 best solution, best possible 8.96598e+06 (67.09 seconds) After 149000 nodes, 7154 on tree, 8.96641e+06 best solution, best possible 8.96599e+06 (67.47 seconds) After 150000 nodes, 7019 on tree, 8.96641e+06 best solution, best possible 8.96599e+06 (67.84 seconds) After 151000 nodes, 6876 on tree, 8.96641e+06 best solution, best possible 8.96602e+06 (68.24 seconds) After 152000 nodes, 6719 on tree, 8.96641e+06 best solution, best possible 8.96603e+06 (68.64 seconds) After 153000 nodes, 6573 on tree, 8.96641e+06 best solution, best possible 8.96604e+06 (69.04 seconds) After 154000 nodes, 6415 on tree, 8.96641e+06 best solution, best possible 8.96604e+06 (69.42 seconds) After 155000 nodes, 6274 on tree, 8.96641e+06 best solution, best possible 8.96606e+06 (69.82 seconds) After 156000 nodes, 6136 on tree, 8.96641e+06 best solution, best possible 8.96607e+06 (70.21 seconds) After 157000 nodes, 5966 on tree, 8.96641e+06 best solution, best possible 8.96608e+06 (70.61 seconds) After 158000 nodes, 5802 on tree, 8.96641e+06 best solution, best possible 8.96608e+06 (70.99 seconds) After 159000 nodes, 5655 on tree, 8.96641e+06 best solution, best possible 8.9661e+06 (71.39 seconds) After 160000 nodes, 5513 on tree, 8.96641e+06 best solution, best possible 8.96611e+06 (71.79 seconds) After 161000 nodes, 5350 on tree, 8.96641e+06 best solution, best possible 8.96612e+06 (72.17 seconds) After 162000 nodes, 5194 on tree, 8.96641e+06 best solution, best possible 8.96612e+06 (72.55 seconds) After 163000 nodes, 5055 on tree, 8.96641e+06 best solution, best possible 8.96614e+06 (72.94 seconds) After 164000 nodes, 4931 on tree, 8.96641e+06 best solution, best possible 8.96615e+06 (73.34 seconds) After 165000 nodes, 4784 on tree, 8.96641e+06 best solution, best possible 8.96616e+06 (73.74 seconds) After 166000 nodes, 4598 on tree, 8.96641e+06 best solution, best possible 8.96616e+06 (74.14 seconds) After 167000 nodes, 4469 on tree, 8.96641e+06 best solution, best possible 8.96618e+06 (74.53 seconds) After 168000 nodes, 4307 on tree, 8.96641e+06 best solution, best possible 8.96619e+06 (74.94 seconds) After 169000 nodes, 4136 on tree, 8.96641e+06 best solution, best possible 8.9662e+06 (75.34 seconds) After 170000 nodes, 3945 on tree, 8.96641e+06 best solution, best possible 8.9662e+06 (75.74 seconds) After 171000 nodes, 3781 on tree, 8.96641e+06 best solution, best possible 8.96622e+06 (76.15 seconds) After 172000 nodes, 3594 on tree, 8.96641e+06 best solution, best possible 8.96623e+06 (76.55 seconds) After 173000 nodes, 3409 on tree, 8.96641e+06 best solution, best possible 8.96624e+06 (76.94 seconds) After 174000 nodes, 3224 on tree, 8.96641e+06 best solution, best possible 8.96624e+06 (77.33 seconds) After 175000 nodes, 3047 on tree, 8.96641e+06 best solution, best possible 8.96626e+06 (77.74 seconds) After 176000 nodes, 2856 on tree, 8.96641e+06 best solution, best possible 8.96627e+06 (78.16 seconds) After 177000 nodes, 2655 on tree, 8.96641e+06 best solution, best possible 8.96628e+06 (78.59 seconds) After 178000 nodes, 2480 on tree, 8.96641e+06 best solution, best possible 8.96628e+06 (78.98 seconds) After 179000 nodes, 2321 on tree, 8.96641e+06 best solution, best possible 8.9663e+06 (79.41 seconds) After 180000 nodes, 2153 on tree, 8.96641e+06 best solution, best possible 8.96631e+06 (79.81 seconds) After 181000 nodes, 1978 on tree, 8.96641e+06 best solution, best possible 8.96632e+06 (80.20 seconds) After 182000 nodes, 1805 on tree, 8.96641e+06 best solution, best possible 8.96632e+06 (80.58 seconds) After 183000 nodes, 1600 on tree, 8.96641e+06 best solution, best possible 8.96634e+06 (80.99 seconds) After 184000 nodes, 1408 on tree, 8.96641e+06 best solution, best possible 8.96635e+06 (81.39 seconds) After 185000 nodes, 1121 on tree, 8.96641e+06 best solution, best possible 8.96636e+06 (81.76 seconds) After 186000 nodes, 778 on tree, 8.96641e+06 best solution, best possible 8.96636e+06 (82.11 seconds) After 187000 nodes, 491 on tree, 8.96641e+06 best solution, best possible 8.96639e+06 (82.49 seconds) After 188000 nodes, 92 on tree, 8.96641e+06 best solution, best possible 8.9664e+06 (82.83 seconds) Search completed - best objective 8966406.491520001, took 283983 iterations and 188196 nodes (82.89 seconds) Strong branching done 6320 times (12928 iterations), fathomed 688 nodes and fixed 790 variables Maximum depth 46, 60366 variables fixed on reduced cost Cuts at root node changed objective from 8.60842e+06 to 8.93991e+06 Probing was tried 30001 times and created 2005 cuts of which 14431 were active after adding rounds of cuts (4.764 seconds) Gomory was tried 25210 times and created 40806 cuts of which 2895 were active after adding rounds of cuts (2.368 seconds) Knapsack was tried 100 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.016 seconds) Clique was tried 100 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 100 times and created 60 cuts of which 1 were active after adding rounds of cuts (0.016 seconds) FlowCover was tried 1 times and created 0 cuts of which 0 were active after adding rounds of cuts (-0.000 seconds) TwoMirCuts was tried 99 times and created 132 cuts of which 2 were active after adding rounds of cuts (0.012 seconds) Result - Finished objective 8966406.491520001 after 188196 nodes and 283983 iterations - took 82.92 seconds (total time 82.92) Total time 82.93 Solved to optimality. Writing solution. Objective: 8.96641e+06 Time: 82.93 s --- Restarting execution --- bell5.gms(124) 0 Mb --- Reading solution for model m *** Status: Normal completion --- Job bell5.gms Stop 08/21/08 03:36:04 elapsed 0:01:25.355