--- Job acc-tight-2 Start 08/20/08 23:39:24 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 --- acc-tight-2.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/acc-tight-2.gdx --- acc-tight-2.gms(148) 4 Mb --- Starting execution: elapsed 0:00:00.030 --- acc-tight-2.gms(123) 4 Mb --- Generating MIP model m --- acc-tight-2.gms(124) 5 Mb --- 3,286 rows 1,621 columns 17,075 non-zeroes --- 1,620 discrete-columns --- acc-tight-2.gms(124) 5 Mb --- Executing COINCBC: elapsed 0:00:00.092 GAMS/CoinCbc 2.0 LP/MIP Solver written by J. Forrest Problem statistics: 1620 columns and 3285 rows. 1620 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 0 - 1.10 seconds 0 fixed, 0 tightened bounds, 0 strengthened rows, 106 substitutions processed model has 3391 rows, 1620 columns (1620 integer) and 17285 elements Objective coefficients multiple of 1 Cutoff increment increased from 1e-05 to 0.999 Pass 1: (1.51 seconds) obj. 91.60896 --> up = 32 , down = 7 Pass 2: (2.66 seconds) obj. 63.34938 --> up = 19 , down = 1 Pass 3: (3.57 seconds) obj. 55.65620 --> up = 14 , down = 2 Pass 4: (4.30 seconds) obj. 49.46822 --> up = 2 , down = 0 Pass 5: (4.64 seconds) obj. 48.81112 --> up = 1 , down = 0 Pass 6: (4.80 seconds) obj. 48.57611 --> up = 0 , down = 0 -- rand = 25 ( 25) Pass 7: (5.83 seconds) obj. 47.97446 --> up = 2 , down = 3 Pass 8: (6.24 seconds) obj. 46.39655 --> up = 0 , down = 0 -- rand = 23 ( 23) Pass 9: (6.82 seconds) obj. 48.78374 --> up = 8 , down = 4 Pass 10: (7.24 seconds) obj. 45.76315 --> up = 0 , down = 0 -- rand = 11 ( 11) Pass 11: (7.54 seconds) obj. 46.89005 --> up = 3 , down = 4 Pass 12: (7.80 seconds) obj. 45.15918 --> up = 1 , down = 0 Pass 13: (7.90 seconds) obj. 44.97906 --> up = 0 , down = 0 -- rand = 24 ( 24) Pass 14: (8.61 seconds) obj. 50.35847 --> up = 8 , down = 10 Pass 15: (8.96 seconds) obj. 45.25450 --> up = 0 , down = 0 -- rand = 17 ( 17) Pass 16: (9.25 seconds) obj. 48.26999 --> up = 5 , down = 8 Pass 17: (9.56 seconds) obj. 44.72721 --> up = 0 , down = 0 -- rand = 17 ( 17) Pass 18: (10.02 seconds) obj. 47.95298 --> up = 3 , down = 6 Pass 19: (10.22 seconds) obj. 45.72485 --> up = 3 , down = 0 Pass 20: (10.56 seconds) obj. 45.37160 --> No solution found this major pass Before mini branch and bound, 364 integers at bound fixed and 0 continuous Full problem 3391 rows 1620 columns, reduced to 2736 rows 1226 columns - too large Mini branch and bound did not improve solution (11.26 seconds) After 11.26 seconds - Feasibility pump exiting - took 11.25 seconds --- Restarting execution --- acc-tight-2.gms(124) 0 Mb --- Reading solution for model m *** Status: Normal completion --- Job acc-tight-2.gms Stop 08/21/08 00:11:59 elapsed 0:32:35.088