--- Job rgn Start 07/18/08 16:01:21 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 --- rgn.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/rgn.gdx --- rgn.gms(148) 3 Mb --- Starting execution: elapsed 0:00:00.005 --- rgn.gms(123) 4 Mb --- Generating MIP model m --- rgn.gms(124) 4 Mb --- 25 rows 181 columns 541 non-zeroes --- 100 discrete-columns --- Executing Cbc: elapsed 0:00:00.009 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: 180 columns and 24 rows. 100 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 48.8 - -0.00 seconds processed model has 24 rows, 180 columns (100 integer) and 460 elements Pass 1: suminf. 0.00000 obj. 279.4 iterations 30 Solution found of 279.4 Before mini branch and bound, 85 integers at bound fixed and 52 continuous Full problem 24 rows 180 columns, reduced to 24 rows 43 columns Mini branch and bound did not improve solution (0.02 seconds) After 0.02 seconds - Feasibility pump exiting with objective of 0 - took 0.02 seconds Integer solution of 279.4 found by feasibility pump after 0 iterations and 0 nodes (0.02 seconds) Full problem 24 rows 180 columns, reduced to 20 rows 82 columns 31 added rows had average density of 66.5161 At root node, 31 cuts changed objective from 48.8 to 68.8206 in 100 passes Cut generator 0 (Probing) - 0 row cuts (0 active), 0 column cuts in 1.252 seconds - new frequency is 10 Cut generator 1 (Gomory) - 684 row cuts (13 active), 0 column cuts in 0.064 seconds - new frequency is 1 Cut generator 2 (Knapsack) - 0 row cuts (0 active), 0 column cuts in 0.036 seconds - new frequency is -100 Cut generator 3 (Clique) - 0 row cuts (0 active), 0 column cuts in 0.004 seconds - new frequency is -100 Cut generator 4 (MixedIntegerRounding2) - 208 row cuts (14 active), 0 column cuts in 0.024 seconds - new frequency is 1 Cut generator 5 (FlowCover) - 0 row cuts (0 active), 0 column cuts in 0.176 seconds - new frequency is -100 Cut generator 6 (TwoMirCuts) - 271 row cuts (4 active), 0 column cuts in 0.036 seconds - new frequency is -100 After 0 nodes, 1 on tree, 279.4 best solution, best possible 68.8206 (1.81 seconds) Cbc0038I Full problem 24 rows 180 columns, reduced to 22 rows 86 columns Cbc0038I Full problem 24 rows 180 columns, reduced to 23 rows 87 columns Cbc0038I Full problem 24 rows 180 columns, reduced to 20 rows 82 columns Cbc0038I Full problem 24 rows 180 columns, reduced to 21 rows 85 columns Solved to optimality. wallclocktime: 3.22779 used seconds: 4.47 MIP solution: 82.19999924 (792 nodes, 4.47 seconds) Best possible: 82.19999924 Absolute gap: 0 (absolute tolerance optca: 0) Relative gap: 0 (relative tolerance optcr: 0) --- Restarting execution --- rgn.gms(124) 0 Mb --- Reading solution for model m *** Status: Normal completion --- Job rgn.gms Stop 07/18/08 16:01:25 elapsed 0:00:03.260