--- Job gt2 Start 08/21/08 07:33:35 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 --- gt2.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/gt2.gdx --- gt2.gms(148) 3 Mb --- Starting execution: elapsed 0:00:00.011 --- gt2.gms(123) 4 Mb --- Generating MIP model m --- gt2.gms(124) 4 Mb --- 30 rows 189 columns 469 non-zeroes --- 188 discrete-columns --- Executing COINCBC: elapsed 0:00:00.015 GAMS/CoinCbc 2.0 LP/MIP Solver written by J. Forrest Problem statistics: 188 columns and 29 rows. 188 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 13460.2 - 0.00 seconds 0 fixed, 0 tightened bounds, 10 strengthened rows, 0 substitutions 0 fixed, 0 tightened bounds, 10 strengthened rows, 0 substitutions processed model has 28 rows, 173 columns (173 integer) and 346 elements Objective coefficients multiple of 1 Cutoff increment increased from 1e-05 to 0.999 12 added rows had average density of 43.9167 At root node, 12 cuts changed objective from 17001.9 to 21166 in 11 passes Cut generator 0 (Probing) - 1 row cuts (0 active), 0 column cuts in 0.012 seconds - new frequency is 6 Cut generator 1 (Gomory) - 137 row cuts (3 active), 0 column cuts in 0.008 seconds - new frequency is 1 Cut generator 2 (Knapsack) - 0 row cuts (0 active), 0 column cuts in 0.004 seconds - new frequency is -100 Cut generator 3 (Clique) - 0 row cuts (0 active), 0 column cuts in 0.000 seconds - new frequency is -100 Cut generator 4 (MixedIntegerRounding2) - 45 row cuts (5 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 -0.000 seconds - new frequency is -100 Cut generator 6 (TwoMirCuts) - 201 row cuts (4 active), 0 column cuts in 0.012 seconds - new frequency is -100 After 0 nodes, 1 on tree, 1e+50 best solution, best possible 21166 (0.04 seconds) Integer solution of 21166 found after 183 iterations and 1 nodes (0.05 seconds) Search completed - best objective 21166, took 183 iterations and 1 nodes (0.05 seconds) Strong branching done 10 times (20 iterations), fathomed 0 nodes and fixed 0 variables Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 17001.9 to 21166 Probing was tried 11 times and created 1 cuts of which 0 were active after adding rounds of cuts (0.012 seconds) Gomory was tried 12 times and created 137 cuts of which 3 were active after adding rounds of cuts (0.008 seconds) Knapsack was tried 11 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.004 seconds) Clique was tried 11 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 11 times and created 45 cuts of which 5 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 1 times and created 0 cuts of which 0 were active after adding rounds of cuts (-0.000 seconds) TwoMirCuts was tried 11 times and created 201 cuts of which 4 were active after adding rounds of cuts (0.012 seconds) Result - Finished objective 21166 after 1 nodes and 183 iterations - took 0.06 seconds (total time 0.06) Total time 0.06 Solved to optimality. Writing solution. Objective: 21166 Time: 0.05 s --- Restarting execution --- gt2.gms(124) 0 Mb --- Reading solution for model m *** Status: Normal completion --- Job gt2.gms Stop 08/21/08 07:33:35 elapsed 0:00:00.097