--- Job binkar10_1 Start 07/17/08 15:30:02 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 --- binkar10_1.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/binkar10_1.gdx --- binkar10_1.gms(148) 3 Mb --- Starting execution: elapsed 0:00:00.044 --- binkar10_1.gms(123) 4 Mb --- Generating MIP model m --- binkar10_1.gms(124) 4 Mb --- 1,027 rows 2,299 columns 6,239 non-zeroes --- 170 discrete-columns --- binkar10_1.gms(124) 4 Mb --- Executing Cbc: elapsed 0:00:00.075 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: 2298 columns and 1026 rows. 170 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 6637.19 - 0.03 seconds processed model has 826 rows, 2025 columns (170 integer) and 4023 elements Pass 1: suminf. 1.21684 obj. 6756.53 iterations 141 Pass 2: suminf. 0.87504 obj. 6771.7 iterations 9 Pass 3: suminf. 0.00000 obj. 7107.88 iterations 7 Solution found of 7107.88 Before mini branch and bound, 130 integers at bound fixed and 1687 continuous Full problem 826 rows 2025 columns, reduced to 18 rows 21 columns Mini branch and bound improved solution from 7107.88 to 7107.88 (0.04 seconds) Round again with cutoff of 7060.81 Pass 4: suminf. 1.21684 obj. 7060.81 iterations 184 Pass 5: suminf. 0.87504 obj. 7060.81 iterations 10 Pass 6: suminf. 0.19182 obj. 7060.81 iterations 44 Pass 7: suminf. 0.23223 obj. 7060.81 iterations 27 Pass 8: suminf. 0.11736 obj. 7060.81 iterations 5 Pass 9: suminf. 0.00000 obj. 7060.81 iterations 7 Solution found of 7060.81 Before mini branch and bound, 129 integers at bound fixed and 1658 continuous Full problem 826 rows 2025 columns, reduced to 20 rows 26 columns Mini branch and bound improved solution from 7060.81 to 6929.06 (0.13 seconds) After 0.14 seconds - Feasibility pump exiting with objective of 6929.06 - took 0.14 seconds Integer solution of 6929.06 found by feasibility pump after 0 iterations and 0 nodes (0.14 seconds) Full problem 826 rows 2025 columns, reduced to 195 rows 444 columns 21 added rows had average density of 335.524 At root node, 21 cuts changed objective from 6637.19 to 6696.66 in 15 passes Cut generator 0 (Probing) - 0 row cuts (0 active), 0 column cuts in 0.032 seconds - new frequency is 10 Cut generator 1 (Gomory) - 188 row cuts (7 active), 0 column cuts in 0.120 seconds - new frequency is 1 Cut generator 2 (Knapsack) - 104 row cuts (4 active), 0 column cuts in 0.052 seconds - new frequency is 1 Cut generator 3 (Clique) - 0 row cuts (0 active), 0 column cuts in 0.008 seconds - new frequency is -100 Cut generator 4 (MixedIntegerRounding2) - 0 row cuts (0 active), 0 column cuts in -0.000 seconds - new frequency is -100 Cut generator 5 (FlowCover) - 0 row cuts (0 active), 0 column cuts in 0.088 seconds - new frequency is -100 Cut generator 6 (TwoMirCuts) - 204 row cuts (10 active), 0 column cuts in 0.068 seconds - new frequency is -100 After 0 nodes, 1 on tree, 6929.06 best solution, best possible 6696.66 (1.00 seconds) After 100 nodes, 51 on tree, 6929.06 best solution, best possible 6700.25 (10.93 seconds) After 200 nodes, 97 on tree, 6929.06 best solution, best possible 6700.25 (15.04 seconds) Cbc0004I Integer solution of 6927.8 found after 10731 iterations and 250 nodes (15.58 seconds) Cbc0038I Full problem 826 rows 2025 columns, reduced to 195 rows 444 columns Cbc0038I Full problem 826 rows 2025 columns, reduced to 360 rows 785 columns Cbc0012I Integer solution of 6769.17 found by combine solutions after 10821 iterations and 254 nodes (16.35 seconds) Cbc0038I Full problem 826 rows 2025 columns, reduced to 195 rows 444 columns Cbc0004I Integer solution of 6747.04 found after 264882 iterations and 8348 nodes (105.78 seconds) Cbc0038I Full problem 826 rows 2025 columns, reduced to 305 rows 679 columns Cbc0012I Integer solution of 6742.8 found by combine solutions after 264972 iterations and 8351 nodes (107.29 seconds) Cbc0004I Integer solution of 6742.2 found after 1150901 iterations and 40272 nodes (440.80 seconds) Cbc0038I Full problem 826 rows 2025 columns, reduced to 305 rows 680 columns Solved to optimality. wallclocktime: 1943.19 used seconds: 3789.03 MIP solution: 6742.200024 (506139 nodes, 3789.03 seconds) Best possible: 6742.200024 Absolute gap: 0 (absolute tolerance optca: 0) Relative gap: 0 (relative tolerance optcr: 0) --- Restarting execution --- binkar10_1.gms(124) 0 Mb --- Reading solution for model m --- binkar10_1.gms(124) 3 Mb *** Status: Normal completion --- Job binkar10_1.gms Stop 07/17/08 16:02:26 elapsed 0:32:23.306