--- Job gt2 Start 07/17/08 19:30:33 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 0:00:00.019 --- 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 Cbc: elapsed 0:00:00.023 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: 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 Jul 15 2008 command line - GAMS/CBC -threads 2 -solve -quit threads was changed from 0 to 2 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 12 added rows had average density of 43.8333 At root node, 12 cuts changed objective from 17001.9 to 21166 in 11 passes Cut generator 0 (Probing) - 0 row cuts (0 active), 0 column cuts in 0.044 seconds - new frequency is 10 Cut generator 1 (Gomory) - 81 row cuts (3 active), 0 column cuts in 0.004 seconds - new frequency is 1 Cut generator 2 (Knapsack) - 0 row cuts (0 active), 0 column cuts in 0.000 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) - 44 row cuts (3 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) - 222 row cuts (5 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 (0.08 seconds) Thread 0 used 3 times, waiting to start 0.00138429, 0.012 cpu time, 21 locks, 0.000197944 locked, 3.33969e-05 waiting for locks Thread 1 used 1 times, waiting to start 0.00159227, 0.008 cpu time, 7 locks, 5.51778e-05 locked, 9.83323e-05 waiting for locks Main thread 0.0068887 waiting for threads, 17 locks, 8.8632e-05 locked, 2.70996e-05 waiting for locks Search completed - best objective 21166, took 280 iterations and 4 nodes (0.09 seconds) Strong branching done 72 times (178 iterations), fathomed 1 nodes and fixed 0 variables Maximum depth 2, 0 variables fixed on reduced cost Cuts at root node changed objective from 17001.9 to 21166 Probing was tried 33 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.132 seconds) Gomory was tried 37 times and created 243 cuts of which 9 were active after adding rounds of cuts (0.012 seconds) Knapsack was tried 33 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 33 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 33 times and created 132 cuts of which 9 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 33 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 33 times and created 666 cuts of which 15 were active after adding rounds of cuts (0.036 seconds) Result - Finished objective 21166 after 4 nodes and 280 iterations - took 0.10 seconds (total time 0.10) Total time 0.10 Solved to optimality. wallclocktime: 0.100402 used seconds: 0.11 MIP solution: 21166 (4 nodes, 0.11 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 07/17/08 19:30:33 elapsed 0:00:00.145