--- Job batch Start 09/06/08 10:20:32 GAMS Rev 228 Copyright (C) 1987-2008 GAMS Development. All rights reserved *** License File has expired 5 days ago Licensee: Stefan Vigerske G071106/0001CB-LNX Humboldt University Berlin, Numerical Mathematics DC5918 --- Starting compilation --- batch.gms(233) 2 Mb --- Starting execution: elapsed 0:00:00.002 --- batch.gms(228) 3 Mb --- Generating MINLP model m --- batch.gms(233) 5 Mb --- 74 rows 47 columns 191 non-zeroes --- 170 nl-code 22 nl-non-zeroes --- 24 discrete-columns --- batch.gms(233) 3 Mb --- Executing BONMIN: elapsed 0:00:00.006 GAMS/Bonmin MINLP Solver (Bonmin Library 0.99) written by P. Bonami List of user-set options: Name Value used bonmin.algorithm = B-Hyb yes ****************************************************************************** This program contains Ipopt, a library for large-scale nonlinear optimization. Ipopt is released as open source code under the Common Public License (CPL). For more information visit http://projects.coin-or.org/Ipopt ****************************************************************************** NLP0012I Num Status Obj It time NLP0013I 1 OPT 259180.3506494226 21 0.036003 NLP3017W OA on non-convex constraint is very experimental. Cbc0031I 5 added rows had average density of 19.6 Cbc0013I At root node, 5 cuts changed objective from 259180 to 272865 in 20 passes Cbc0014I Cut generator 0 (NLP solution based oa cuts) - 0 row cuts, 0 column cuts (0 active) Cbc0014I Cut generator 1 (Mixed Integer Gomory) - 90 row cuts, 0 column cuts (5 active) Cbc0014I Cut generator 2 (Probing) - 13 row cuts, 3 column cuts (0 active) Cbc0014I Cut generator 3 (Mixed Integer Rounding) - 0 row cuts, 0 column cuts (0 active) Cbc0014I Cut generator 4 (Cover) - 2 row cuts, 0 column cuts (0 active) Cbc0014I Cut generator 5 (Clique) - 0 row cuts, 0 column cuts (0 active) Cbc0014I Cut generator 6 (Flow Covers) - 0 row cuts, 0 column cuts (0 active) Cbc0014I Cut generator 7 (Outer Approximation decomposition.) - 0 row cuts, 0 column cuts (0 active) Cbc0014I Cut generator 8 (Outer Approximation feasibility check.) - 0 row cuts, 0 column cuts (0 active) Cbc0010I After 0 nodes, 1 on tree, 1e+50 best solution, best possible 272865 (0.14 seconds) OA0003I New best feasible of 305454 found after 0.444028 sec. Cbc0016I Integer solution of 305454 found by strong branching after 137 iterations and 4 nodes (0.44 seconds) OA0003I New best feasible of 304660 found after 0.792049 sec. Cbc0016I Integer solution of 304660 found by strong branching after 142 iterations and 5 nodes (0.79 seconds) OA0003I New best feasible of 303045 found after 1.20408 sec. Cbc0016I Integer solution of 303045 found by strong branching after 170 iterations and 7 nodes (1.20 seconds) OA0003I New best feasible of 300302 found after 2.00413 sec. Cbc0016I Integer solution of 300302 found by strong branching after 271 iterations and 14 nodes (2.00 seconds) OA0003I New best feasible of 285507 found after 2.29614 sec. Cbc0001I Search completed - best objective 285506.5082441636, took 345 iterations and 20 nodes (2.30 seconds) Cbc0032I Strong branching done 116 times (514 iterations), fathomed 0 nodes and fixed 9 variables Cbc0035I Maximum depth 4, 0 variables fixed on reduced cost NLP solution based oa cuts was tried 21 times and created 3 cuts of which 0 were active after adding rounds of cuts Mixed Integer Gomory was tried 37 times and created 115 cuts of which 12 were active after adding rounds of cuts Probing was tried 37 times and created 64 cuts of which 5 were active after adding rounds of cuts Cover was tried 28 times and created 2 cuts of which 0 were active after adding rounds of cuts Outer Approximation feasibility check. was tried 31 times and created 113 cuts of which 0 were active after adding rounds of cuts Bonmin finished. Found feasible point. Objective function = 285506.508244. Resolve with fixed discrete variables to get dual values. MINLP solution: 285506.5082 (20 nodes, 2.31 seconds) Best possible: 285506.5082 Absolute gap: 6.3854e-08 Relative gap: 2.2365e-13 GAMS/Bonmin finished. --- Restarting execution --- batch.gms(233) 0 Mb --- Reading solution for model m *** Status: Normal completion --- Job batch.gms Stop 09/06/08 10:20:34 elapsed 0:00:02.396