--- Job neos5 Start 08/24/08 04:34:24 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 --- neos5.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/neos5.gdx --- neos5.gms(148) 10 Mb --- Starting execution: elapsed 0:00:00.211 --- neos5.gms(123) 10 Mb --- Generating MIP model m --- neos5.gms(124) 17 Mb --- 36,703 rows 21,125 columns 109,069 non-zeroes --- 17,136 discrete-columns --- neos5.gms(124) 17 Mb --- Executing Cbc: elapsed 0:00:00.794 GAMS/Cbc 2.1 LP/MIP Solver written by J. Forrest Problem statistics: 21124 columns and 36702 rows. 17136 variables have integrality restrictions. Calling CBC main solution routine... Coin Cbc and Clp Solver version 2.20.00, build Aug 23 2008 command line - GAMS/CBC -solve -quit Continuous objective value is -4.96442e+10 - 0.91 seconds Optimal - objective value -4.96442e+10 0 fixed, 34 tightened bounds, 2217 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 34 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 34 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 34 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 34 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 34 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 34 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 34 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 34 strengthened rows, 0 substitutions processed model has 3335 rows, 3262 columns (72 integer) and 11115 elements Pass 1: (0.13 seconds) suminf. 0.00000 (0) obj. -4.82177e+10 iterations 599 Pass 2: (0.14 seconds) suminf. 0.00000 (0) obj. -4.82177e+10 iterations 0 Pass 3: (0.16 seconds) suminf. 0.00000 (0) obj. -4.82177e+10 iterations 6 Pass 4: (0.17 seconds) suminf. 0.00000 (0) obj. -4.82177e+10 iterations 3 Pass 5: (0.18 seconds) suminf. 0.00000 (0) obj. -4.82177e+10 iterations 9 Pass 6: (0.18 seconds) suminf. 0.00000 (0) obj. -4.82177e+10 iterations 10 Pass 7: (0.20 seconds) suminf. 0.00000 (0) obj. -4.82177e+10 iterations 12 Pass 8: (0.23 seconds) suminf. 0.00000 (0) obj. -4.82144e+10 iterations 158 Pass 9: (0.24 seconds) suminf. 0.00000 (0) obj. -4.82144e+10 iterations 9 Pass 10: (0.25 seconds) suminf. 0.00000 (0) obj. -4.82144e+10 iterations 0 Pass 11: (0.32 seconds) suminf. 0.00000 (0) obj. -4.81863e+10 iterations 530 Pass 12: (0.34 seconds) suminf. 0.00000 (0) obj. -4.81863e+10 iterations 2 Pass 13: (0.35 seconds) suminf. 0.00000 (0) obj. -4.81863e+10 iterations 0 Pass 14: (0.36 seconds) suminf. 0.00000 (0) obj. -4.81863e+10 iterations 74 Pass 15: (0.40 seconds) suminf. 0.00000 (0) obj. -4.81601e+10 iterations 314 Pass 16: (0.42 seconds) suminf. 0.00000 (0) obj. -4.81601e+10 iterations 2 Pass 17: (0.43 seconds) suminf. 0.00000 (0) obj. -4.81601e+10 iterations 0 Pass 18: (0.44 seconds) suminf. 0.00000 (0) obj. -4.81601e+10 iterations 34 Pass 19: (0.45 seconds) suminf. 0.00000 (0) obj. -4.81601e+10 iterations 10 Pass 20: (0.46 seconds) suminf. 0.00000 (0) obj. -4.81601e+10 iterations 8 Pass 21: (0.48 seconds) suminf. 0.00000 (0) obj. -4.81601e+10 iterations 16 No solution found this major pass Before mini branch and bound, 62 integers at bound fixed and 2285 continuous Full problem 3335 rows 3262 columns, reduced to 849 rows 727 columns Mini branch and bound did not improve solution (0.73 seconds) Full problem 3336 rows 3262 columns, reduced to 3302 rows 3254 columns - too large After 0.79 seconds - Feasibility pump exiting - took 0.78 seconds 9 added rows had average density of 5.77778 At root node, 9 cuts changed objective from -4.91729e+10 to -4.82947e+10 in 9 passes Cut generator 0 (Probing) - 12 row cuts, 69 column cuts (4 active) in 0.036 seconds - new frequency is 1 Cut generator 1 (Gomory) - 6 row cuts, 0 column cuts (3 active) in 0.020 seconds - new frequency is -100 Cut generator 2 (Knapsack) - 0 row cuts, 0 column cuts (0 active) in 0.020 seconds - new frequency is -100 Cut generator 3 (Clique) - 0 row cuts, 0 column cuts (0 active) in 0.012 seconds - new frequency is -100 Cut generator 4 (MixedIntegerRounding2) - 1 row cuts, 0 column cuts (1 active) in 0.012 seconds - new frequency is -100 Cut generator 5 (FlowCover) - 0 row cuts, 0 column cuts (0 active) in 0.032 seconds - new frequency is -100 Cut generator 6 (TwoMirCuts) - 26 row cuts, 0 column cuts (1 active) in 0.024 seconds - new frequency is -100 Optimal - objective value -4.82947e+10 Optimal - objective value -4.82947e+10 After 0 nodes, 1 on tree, 1e+50 best solution, best possible -4.82947e+10 (1.19 seconds) Search completed - best objective -48275503702.37984, took 870 iterations and 3 nodes (1.68 seconds) Strong branching done 20 times (109 iterations), fathomed 1 nodes and fixed 0 variables Maximum depth 1, 0 variables fixed on reduced cost Cuts at root node changed objective from -4.91729e+10 to -4.82947e+10 Probing was tried 11 times and created 81 cuts of which 4 were active after adding rounds of cuts (0.040 seconds) Gomory was tried 8 times and created 6 cuts of which 3 were active after adding rounds of cuts (0.020 seconds) Knapsack was tried 9 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.020 seconds) Clique was tried 9 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.012 seconds) MixedIntegerRounding2 was tried 9 times and created 1 cuts of which 1 were active after adding rounds of cuts (0.012 seconds) FlowCover was tried 9 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.032 seconds) TwoMirCuts was tried 8 times and created 26 cuts of which 1 were active after adding rounds of cuts (0.024 seconds) implication was tried 2 times and created 0 cuts of which 0 were active after adding rounds of cuts 736 bounds tightened after postprocessing Result - Finished objective -48275503702.37984 after 3 nodes and 870 iterations - took 3.92 seconds (total time 4.89) Total time 5.88 Solved to optimality. MIP solution: -4.82755037e+10 (3 nodes, 5.92 seconds) Best possible: -4.82755037e+10 Absolute gap: 0 (absolute tolerance optca: 0) Relative gap: 0 (relative tolerance optcr: 0) --- Restarting execution --- neos5.gms(124) 0 Mb --- Reading solution for model m --- neos5.gms(124) 13 Mb *** Status: Normal completion --- Job neos5.gms Stop 08/24/08 04:34:31 elapsed 0:00:07.269