--- Job gt2 Start 08/21/08 21:59:39 GAMS Rev 228 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 0:00:00.007 --- 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 0:00:00.011 GAMS/CoinCbc 2.1 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 2.10.00, build Jun 21 2008 command line - GAMS/CBC -solve -quit Continuous objective value is 13460.2 - -0.00 seconds 0 fixed, 11 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 15 added rows had average density of 67.7333 At root node, 15 cuts changed objective from 17001.9 to 21166 in 47 passes Cut generator 0 (Probing) - 0 row cuts (0 active), 0 column cuts in 0.540 seconds - new frequency is 10 Cut generator 1 (Gomory) - 268 row cuts (5 active), 0 column cuts in 0.020 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 0.012 seconds - new frequency is -100 Cut generator 4 (MixedIntegerRounding2) - 61 row cuts (4 active), 0 column cuts in 0.004 seconds - new frequency is -100 Cut generator 5 (FlowCover) - 0 row cuts (0 active), 0 column cuts in 0.016 seconds - new frequency is -100 Cut generator 6 (TwoMirCuts) - 218 row cuts (6 active), 0 column cuts in 0.024 seconds - new frequency is -100 After 0 nodes, 1 on tree, 1e+50 best solution, best possible 21166 (0.64 seconds) Search completed - best objective 21166, took 921 iterations and 82 nodes (1.00 seconds) Strong branching done 1758 times (4951 iterations), fathomed 1 nodes and fixed 0 variables Maximum depth 6, 0 variables fixed on reduced cost Cuts at root node changed objective from 17001.9 to 21166 Probing was tried 55 times and created 1 cuts of which 2 were active after adding rounds of cuts (0.544 seconds) Gomory was tried 129 times and created 423 cuts of which 96 were active after adding rounds of cuts (0.032 seconds) Knapsack was tried 47 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.004 seconds) Clique was tried 47 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.012 seconds) MixedIntegerRounding2 was tried 47 times and created 61 cuts of which 4 were active after adding rounds of cuts (0.004 seconds) FlowCover was tried 47 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.016 seconds) TwoMirCuts was tried 47 times and created 218 cuts of which 6 were active after adding rounds of cuts (0.024 seconds) Result - Finished objective 21166 after 82 nodes and 921 iterations - took 1.01 seconds (total time 1.01) Total time 1.01 Solved to optimality. MIP solution: 21166 (82 nodes, 1.02 seconds) Best possible: 21166 Absolute gap: 0 (absolute tolerance optca: 0) Relative gap: 0 (relative tolerance optcr: 0) --- Restarting execution --- gt2.gms(124) 0 Mb --- Reading solution for model m *** Status: Normal completion --- Job gt2.gms Stop 08/21/08 21:59:41 elapsed 0:00:01.046