--- Job acc-tight-5 Start 08/21/08 00:44:39 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 --- acc-tight-5.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/acc-tight-5.gdx --- acc-tight-5.gms(148) 4 Mb --- Starting execution: elapsed 0:00:00.048 --- acc-tight-5.gms(123) 4 Mb --- Generating MIP model m --- acc-tight-5.gms(124) 5 Mb --- 3,250 rows 1,621 columns 16,787 non-zeroes --- 1,620 discrete-columns --- acc-tight-5.gms(124) 5 Mb --- Executing COINCBC: elapsed 0:00:00.110 GAMS/CoinCbc 2.0 LP/MIP Solver written by J. Forrest Problem statistics: 1620 columns and 3249 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 - 0.98 seconds 0 fixed, 0 tightened bounds, 0 strengthened rows, 238 substitutions processed model has 3487 rows, 1620 columns (1620 integer) and 17261 elements Objective coefficients multiple of 1 Cutoff increment increased from 1e-05 to 0.999 Pass 1: (1.05 seconds) obj. 91.66833 --> up = 35 , down = 3 Pass 2: (2.25 seconds) obj. 69.42116 --> up = 25 , down = 2 Pass 3: (3.12 seconds) obj. 53.53265 --> up = 2 , down = 1 Pass 4: (3.40 seconds) obj. 52.10016 --> up = 4 , down = 2 Pass 5: (3.81 seconds) obj. 50.17524 --> up = 4 , down = 4 Pass 6: (4.16 seconds) obj. 47.87450 --> up = 0 , down = 1 Pass 7: (4.41 seconds) obj. 47.67529 --> up = 0 , down = 0 -- rand = 19 ( 19) Pass 8: (5.42 seconds) obj. 41.82421 --> up = 5 , down = 3 Pass 9: (6.38 seconds) obj. 38.46677 --> up = 0 , down = 1 Pass 10: (6.58 seconds) obj. 38.34129 --> up = 0 , down = 0 -- rand = 22 ( 22) Pass 11: (7.49 seconds) obj. 39.67193 --> up = 2 , down = 4 Pass 12: (7.82 seconds) obj. 38.02610 --> up = 0 , down = 0 -- rand = 24 ( 24) Pass 13: (8.46 seconds) obj. 41.03816 --> up = 2 , down = 8 Pass 14: (8.92 seconds) obj. 38.69094 --> up = 0 , down = 1 Pass 15: (9.06 seconds) obj. 38.60549 --> up = 0 , down = 0 -- rand = 18 ( 18) Pass 16: (9.90 seconds) obj. 39.38570 --> up = 2 , down = 5 Pass 17: (10.31 seconds) obj. 37.53821 --> up = 0 , down = 0 -- rand = 26 ( 26) Pass 18: (11.01 seconds) obj. 42.36740 --> up = 6 , down = 11 Pass 19: (11.54 seconds) obj. 37.39668 --> up = 3 , down = 0 Pass 20: (11.79 seconds) obj. 36.44529 --> No solution found this major pass Before mini branch and bound, 382 integers at bound fixed and 0 continuous Full problem 3487 rows 1620 columns, reduced to 2652 rows 1179 columns - too large Mini branch and bound did not improve solution (12.45 seconds) After 12.45 seconds - Feasibility pump exiting - took 12.44 seconds --- Restarting execution --- acc-tight-5.gms(124) 0 Mb --- Reading solution for model m *** Status: Normal completion --- Job acc-tight-5.gms Stop 08/21/08 01:17:01 elapsed 0:32:22.090