--- Job 10teams Start 08/20/08 23:38:38 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 --- 10teams.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/10teams.gdx --- 10teams.gms(148) 3 Mb --- Starting execution: elapsed 0:00:00.078 --- 10teams.gms(123) 4 Mb --- Generating MIP model m --- 10teams.gms(124) 4 Mb --- 231 rows 2,026 columns 14,176 non-zeroes --- 1,800 discrete-columns --- 10teams.gms(124) 4 Mb --- Executing COINCBC: elapsed 0:00:00.132 GAMS/CoinCbc 2.0 LP/MIP Solver written by J. Forrest Problem statistics: 2025 columns and 230 rows. 1800 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 917 - 0.13 seconds processed model has 210 rows, 1600 columns (1600 integer) and 9600 elements Objective coefficients multiple of 1 Cutoff increment increased from 1e-05 to 0.999 Pass 1: obj. 22.63158 --> up = 9 , down = 1 Pass 2: obj. 14.76923 --> up = 3 , down = 0 Pass 3: obj. 13.21146 --> up = 2 , down = 0 Pass 4: obj. 12.42489 --> up = 2 , down = 0 Pass 5: obj. 12.21569 --> up = 1 , down = 0 Pass 6: obj. 12.00000 --> up = 0 , down = 0 -- rand = 19 ( 19) Pass 7: obj. 16.50000 --> up = 3 , down = 9 Pass 8: obj. 13.00000 --> up = 3 , down = 0 Pass 9: obj. 12.00000 --> up = 1 , down = 0 Pass 10: obj. 11.48276 --> up = 2 , down = 0 Pass 11: obj. 10.63585 --> up = 0 , down = 0 -- rand = 28 ( 28) Pass 12: obj. 21.00000 --> up = 15 , down = 11 Pass 13: obj. 16.00000 --> up = 7 , down = 10 Pass 14: obj. 15.46903 --> up = 0 , down = 7 Pass 15: obj. 13.26087 --> up = 0 , down = 1 Pass 16: obj. 12.88889 --> up = 1 , down = 0 Pass 17: obj. 12.52332 --> up = 0 , down = 0 -- rand = 11 ( 11) Pass 18: obj. 11.82275 --> up = 1 , down = 2 Pass 19: obj. 9.94872 --> up = 0 , down = 0 -- rand = 20 ( 20) Pass 20: obj. 16.62220 --> No solution found this major pass Before mini branch and bound, 1086 integers at bound fixed and 0 continuous Full problem 210 rows 1600 columns, reduced to 209 rows 513 columns Mini branch and bound did not improve solution (3.77 seconds) Full problem 211 rows 1600 columns, reduced to 211 rows 1600 columns - too large After 4.06 seconds - Feasibility pump exiting - took 4.06 seconds 14 added rows had average density of 46.3571 At root node, 14 cuts changed objective from 917 to 924 in 4 passes Cut generator 0 (Probing) - 0 row cuts (0 active), 0 column cuts in 0.012 seconds - new frequency is 10 Cut generator 1 (Gomory) - 10 row cuts (3 active), 0 column cuts in 0.036 seconds - new frequency is -100 Cut generator 2 (Knapsack) - 0 row cuts (0 active), 0 column cuts in 0.016 seconds - new frequency is -100 Cut generator 3 (Clique) - 95 row cuts (11 active), 0 column cuts in 0.004 seconds - new frequency is 1 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 0.000 seconds - new frequency is -100 Cut generator 6 (TwoMirCuts) - 7 row cuts (0 active), 0 column cuts in 0.044 seconds - new frequency is -100 After 0 nodes, 1 on tree, 1e+50 best solution, best possible 924 (6.96 seconds) Integer solution of 924 found after 29974 iterations and 140 nodes (35.65 seconds) Search completed - best objective 924, took 29974 iterations and 140 nodes (35.65 seconds) Strong branching done 1850 times (155099 iterations), fathomed 0 nodes and fixed 0 variables Maximum depth 15, 0 variables fixed on reduced cost Cuts at root node changed objective from 917 to 924 Probing was tried 18 times and created 0 cuts of which 9 were active after adding rounds of cuts (0.044 seconds) Gomory was tried 4 times and created 10 cuts of which 3 were active after adding rounds of cuts (0.036 seconds) Knapsack was tried 4 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.016 seconds) Clique was tried 131 times and created 1353 cuts of which 554 were active after adding rounds of cuts (0.128 seconds) MixedIntegerRounding2 was tried 1 times and created 0 cuts of which 0 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 4 times and created 7 cuts of which 0 were active after adding rounds of cuts (0.044 seconds) Result - Finished objective 924 after 140 nodes and 29974 iterations - took 35.79 seconds (total time 35.92) Total time 35.93 Solved to optimality. Writing solution. Objective: 924 Time: 35.93 s --- Restarting execution --- 10teams.gms(124) 0 Mb --- Reading solution for model m *** Status: Normal completion --- Job 10teams.gms Stop 08/20/08 23:39:14 elapsed 0:00:36.148