--- Job danoint Start 07/17/08 17:27:40 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 --- danoint.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/danoint.gdx --- danoint.gms(148) 3 Mb --- Starting execution: elapsed 0:00:00.013 --- danoint.gms(123) 4 Mb --- Generating MIP model m --- danoint.gms(124) 4 Mb --- 665 rows 522 columns 3,234 non-zeroes --- 56 discrete-columns --- danoint.gms(124) 4 Mb --- Executing Cbc: elapsed 0:00:00.035 GAMS/Cbc 2.1 LP/MIP Solver written by J. Forrest Reading parameter(s) from "/home/stefan/work/gams/benchmarks/LINLib.MIP/cbc.op2" >> threads 2 Finished reading from "/home/stefan/work/gams/benchmarks/LINLib.MIP/cbc.op2" Problem statistics: 521 columns and 664 rows. 56 variables have integrality restrictions. Calling CBC main solution routine... Coin Cbc and Clp Solver version 2.10.00, build Jul 15 2008 command line - GAMS/CBC -threads 2 -solve -quit threads was changed from 0 to 2 Continuous objective value is 62.6373 - 0.14 seconds processed model has 600 rows, 457 columns (56 integer) and 3440 elements Pass 1: suminf. 2.76796 obj. 72 iterations 359 Pass 2: suminf. 1.09240 obj. 73.1701 iterations 100 Pass 3: suminf. 0.03501 obj. 80.5098 iterations 118 Pass 4: suminf. 1.05426 obj. 91.8972 iterations 294 Pass 5: suminf. 1.40081 obj. 97.028 iterations 51 Pass 6: suminf. 0.16094 obj. 99.8925 iterations 217 Pass 7: suminf. 0.58065 obj. 88.6935 iterations 215 Pass 8: suminf. 0.00000 obj. 79 iterations 90 Solution found of 79 Before mini branch and bound, 2 integers at bound fixed and 207 continuous Full problem 600 rows 457 columns, reduced to 363 rows 245 columns - too large Mini branch and bound did not improve solution (0.33 seconds) After 0.33 seconds - Feasibility pump exiting with objective of 2.22045e-16 - took 0.33 seconds Integer solution of 79 found by feasibility pump after 0 iterations and 0 nodes (0.45 seconds) Full problem 600 rows 457 columns, reduced to 112 rows 121 columns 56 added rows had average density of 151.071 At root node, 56 cuts changed objective from 62.6373 to 62.6709 in 100 passes Cut generator 0 (Probing) - 28 row cuts (11 active), 0 column cuts in 0.668 seconds - new frequency is 1 Cut generator 1 (Gomory) - 180 row cuts (18 active), 0 column cuts in 0.720 seconds - new frequency is 1 Cut generator 2 (Knapsack) - 0 row cuts (0 active), 0 column cuts in 0.120 seconds - new frequency is -100 Cut generator 3 (Clique) - 0 row cuts (0 active), 0 column cuts in 0.044 seconds - new frequency is -100 Cut generator 4 (MixedIntegerRounding2) - 313 row cuts (14 active), 0 column cuts in 0.108 seconds - new frequency is -100 Cut generator 5 (FlowCover) - 218 row cuts (12 active), 0 column cuts in 2.396 seconds - new frequency is 1 Cut generator 6 (TwoMirCuts) - 1 row cuts (1 active), 0 column cuts in 0.228 seconds - new frequency is -100 After 0 nodes, 1 on tree, 79 best solution, best possible 62.6709 (11.68 seconds) After 1000 nodes, 73 on tree, 79 best solution, best possible 62.69 (48.20 seconds) After 2000 nodes, 68 on tree, 79 best solution, best possible 62.69 (63.95 seconds) Cbc0004I Integer solution of 78 found after 142508 iterations and 2294 nodes (70.50 seconds) Cbc0038I Full problem 600 rows 457 columns, reduced to 112 rows 121 columns Cbc0038I Full problem 600 rows 457 columns, reduced to 366 rows 249 columns Cbc0004I Integer solution of 74.5 found after 148120 iterations and 2354 nodes (73.52 seconds) Cbc0038I Full problem 600 rows 457 columns, reduced to 322 rows 221 columns Cbc0012I Integer solution of 69.3333 found by combine solutions after 148263 iterations and 2355 nodes (85.62 seconds) Cbc0012I Integer solution of 66.25 found by combine solutions after 142939 iterations and 2303 nodes (86.83 seconds) Cbc0004I Integer solution of 65.6667 found after 1016457 iterations and 10215 nodes (243.60 seconds) Cbc0038I Full problem 600 rows 457 columns, reduced to 393 rows 273 columns - too large Node limit reached. Have feasible solution. wallclocktime: 3657.25 used seconds: 7159.41 MIP solution: 65.66666667 (416261 nodes, 7159.41 seconds) Best possible: 63.89390495 Absolute gap: 1.7728 (absolute tolerance optca: 0) Relative gap: 0.027745 (relative tolerance optcr: 0) --- Restarting execution --- danoint.gms(124) 0 Mb --- Reading solution for model m *** Status: Normal completion --- Job danoint.gms Stop 07/17/08 18:28:37 elapsed 1:00:57.326