--- Job acc-tight-4 Start 07/17/08 11:56:13 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 --- acc-tight-4.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/acc-tight-4.gdx --- acc-tight-4.gms(148) 4 Mb --- Starting execution: elapsed 0:00:00.032 --- acc-tight-4.gms(123) 4 Mb --- Generating MIP model m --- acc-tight-4.gms(124) 5 Mb --- 2,287 rows 1,621 columns 12,980 non-zeroes --- 1,620 discrete-columns --- acc-tight-4.gms(124) 5 Mb --- Executing Cbc: elapsed 0:00:00.080 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: 1620 columns and 2286 rows. 1620 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 0 - 0.26 seconds processed model has 2286 rows, 1620 columns (1620 integer) and 12978 elements Objective coefficients multiple of 1 Cutoff increment increased from 1e-05 to 0.999 Pass 1: suminf. 50.35689 obj. 0 iterations 1741 Pass 2: suminf. 33.65846 obj. 0 iterations 1128 Pass 3: suminf. 26.50758 obj. 0 iterations 1140 Pass 4: suminf. 22.16583 obj. 0 iterations 933 Pass 5: suminf. 21.85660 obj. 0 iterations 276 Pass 6: suminf. 21.42917 obj. 0 iterations 169 Pass 7: suminf. 20.61609 obj. 0 iterations 304 Pass 8: suminf. 18.91948 obj. 0 iterations 586 Pass 9: suminf. 18.87302 obj. 0 iterations 238 Pass 10: suminf. 17.99211 obj. 0 iterations 1203 Pass 11: suminf. 15.47676 obj. 0 iterations 985 Pass 12: suminf. 15.29906 obj. 0 iterations 265 Pass 13: suminf. 0.00000 obj. 0 iterations 2157 Solution found of 0 Before mini branch and bound, 681 integers at bound fixed and 0 continuous Full problem 2286 rows 1620 columns, reduced to 1599 rows 929 columns - too large Mini branch and bound did not improve solution (3.25 seconds) After 3.25 seconds - Feasibility pump exiting with objective of 0 - took 3.24 seconds Integer solution of 0 found by feasibility pump after 0 iterations and 0 nodes (3.32 seconds) Full problem 2286 rows 1620 columns, reduced to 0 rows 0 columns Thread 0 used 0 times, waiting to start 0.00263428, 0 cpu time, 0 locks, 0 locked, 0 waiting for locks Thread 1 used 0 times, waiting to start 0.000304839, 0 cpu time, 0 locks, 0 locked, 0 waiting for locks Main thread 0 waiting for threads, 1 locks, 7.12404e-06 locked, 1.66602e-06 waiting for locks Search completed - best objective 0, took 0 iterations and 0 nodes (3.35 seconds) Maximum depth 0, 0 variables fixed on reduced cost Cuts at root node changed objective from 0 to 0 Probing was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Gomory was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Knapsack was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Clique was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) MixedIntegerRounding2 was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) FlowCover was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) TwoMirCuts was tried 0 times and created 0 cuts of which 0 were active after adding rounds of cuts (0.000 seconds) Result - Finished objective 0 after 0 nodes and 0 iterations - took 3.62 seconds (total time 3.89) Total time 3.92 Solved to optimality. wallclocktime: 3.94733 used seconds: 3.93 MIP solution: 0 (0 nodes, 3.94 seconds) Best possible: 0 Absolute gap: 0 (absolute tolerance optca: 0) Relative gap: 0 (relative tolerance optcr: 0) --- Restarting execution --- acc-tight-4.gms(124) 0 Mb --- Reading solution for model m *** Status: Normal completion --- Job acc-tight-4.gms Stop 07/17/08 11:56:17 elapsed 0:00:04.064