--- Job oil2 Start 09/03/08 02:45:05 GAMS Rev 228 Copyright (C) 1987-2008 GAMS Development. All rights reserved *** License File has expired 2 days ago Licensee: Stefan Vigerske G071106/0001CB-LNX Humboldt University Berlin, Numerical Mathematics DC5918 --- Starting compilation --- oil2.gms(3857) 2 Mb --- Starting execution: elapsed 0:00:00.056 --- oil2.gms(3852) 3 Mb --- Generating MINLP model m --- oil2.gms(3857) 5 Mb --- 927 rows 937 columns 2,215 non-zeroes --- 8,313 nl-code 440 nl-non-zeroes --- 2 discrete-columns --- oil2.gms(3857) 3 Mb --- Executing BONMIN: elapsed 0:00:00.090 GAMS/Bonmin MINLP Solver (Bonmin Library 0.99) written by P. Bonami List of user-set options: Name Value used bonmin.algorithm = B-BB 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 -0.733648285238598 117 0.79205 NLP0013I 2 OPT -0.7332600117644353 312 12.0968 NLP0013I 3 OPT -0.7334383500827817 62 0.768048 NLP0013I 4 OPT -0.7332400121140524 158 10.0446 NLP0013I 5 OPT -0.7334418662411576 86 0.524032 Cbc0010I After 0 nodes, 1 on tree, 1e+50 best solution, best possible -0.733648 (23.44 seconds) NLP0013I 6 OPT -0.7334418662411576 86 0.528033 NLP0013I 7 OPT -0.7331088578679213 120 0.852053 NLP0012I Num Status Obj It time NLP0013I 1 OPT -0.733108858179579 61 0.340021 Cbc0004I Integer solution of -0.733109 found after 206 iterations and 2 nodes (25.16 seconds) NLP0013I 8 OPT -0.7332600114825694 155 1.34008 Restoration phase is called at point that is almost feasible, with constraint violation 4.663186e-13. Abort. NLP0013I 2 FAILED -0.7332600117643958 43 0.268017 NLP0014I * r1 OPT -0.7332600117643951 371 17.8331 Cbc0004I Integer solution of -0.73326 found after 361 iterations and 3 nodes (44.61 seconds) Cbc0011I Exiting as integer gap of 0.000388273 less than 0 or 1% Cbc0001I Search completed - best objective -0.7332600117643951, took 361 iterations and 3 nodes (44.61 seconds) Cbc0032I Strong branching done 2 times (618 iterations), fathomed 0 nodes and fixed 0 variables Cbc0035I Maximum depth 1, 0 variables fixed on reduced cost Bonmin finished. Found feasible point. Objective function = -0.733260. Resolve with fixed discrete variables to get dual values. Restoration phase is called at point that is almost feasible, with constraint violation 4.603362e-13. Abort. NLP0012I Num Status Obj It time NLP0013I 1 FAILED -0.7332600117643953 36 0.208013 NLP0014I * r1 OPT -0.7332600117643951 371 17.8411 MINLP solution: -0.7332600118 (3 nodes, 63.45 seconds) Best possible: -0.7332600118 Absolute gap: 0 Relative gap: 0 GAMS/Bonmin finished. --- Restarting execution --- oil2.gms(3857) 0 Mb --- Reading solution for model m *** Status: Normal completion --- Job oil2.gms Stop 09/03/08 02:46:09 elapsed 0:01:04.198