Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.709/1.709, allocations: 288.4 MB / 304.3 MB, free: 8.227 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001363/0.001363, allocations: 179.2 kB / 372.9 MB, free: 10.14 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.434/1.434, allocations: 205.4 MB / 0.6317 GB, free: 9.875 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.000963/0.0009634, allocations: 98.53 kB / 0.745 GB, free: 5.785 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003815/0.0003815, allocations: 16.38 kB / 0.8681 GB, free: 141.8 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1969/0.1973, allocations: 115.3 MB / 0.9808 GB, free: 27.36 MB / 0.6198 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.6321/0.8294, allocations: 200.3 MB / 1.176 GB, free: 14.35 MB / 0.7136 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003565/0.8298, allocations: 123.8 kB / 1.176 GB, free: 14.27 MB / 0.7136 GB
Notification: Performance of FrontEnd - DAE generated: time 0.3343/1.164, allocations: 139 MB / 1.312 GB, free: 13.89 MB / 0.8386 GB
Notification: Performance of FrontEnd: time 3.317e-06/1.164, allocations: 3.938 kB / 1.312 GB, free: 13.89 MB / 0.8386 GB
Notification: Performance of Transformations before backend: time 0.0001341/1.164, allocations: 72 kB / 1.312 GB, free: 13.82 MB / 0.8386 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 994
 * Number of variables: 994
Notification: Performance of Generate backend data structure: time 0.009235/1.174, allocations: 3.089 MB / 1.315 GB, free: 10.68 MB / 0.8386 GB
Notification: Performance of prepare preOptimizeDAE: time 5.688e-05/1.174, allocations: 12.03 kB / 1.315 GB, free: 10.66 MB / 0.8386 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01342/1.187, allocations: 2.228 MB / 1.318 GB, free: 8.43 MB / 0.8386 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00535/1.192, allocations: 2.222 MB / 1.32 GB, free: 6.164 MB / 0.8386 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002228/1.193, allocations: 267.1 kB / 1.32 GB, free: 5.902 MB / 0.8386 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001237/1.194, allocations: 352 kB / 1.32 GB, free: 5.559 MB / 0.8386 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01487/1.209, allocations: 6.57 MB / 1.327 GB, free: 14.89 MB / 0.8542 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.354e-05/1.209, allocations: 4 kB / 1.327 GB, free: 14.88 MB / 0.8542 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004547/1.209, allocations: 148 kB / 1.327 GB, free: 14.74 MB / 0.8542 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004629/1.21, allocations: 310 kB / 1.327 GB, free: 14.43 MB / 0.8542 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01554/1.225, allocations: 6.443 MB / 1.333 GB, free: 7.984 MB / 0.8542 GB
Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts.
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03781/1.263, allocations: 26.79 MB / 1.36 GB, free: 10.98 MB / 0.8855 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008363/1.272, allocations: 4.997 MB / 1.364 GB, free: 5.688 MB / 0.8855 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005828/1.278, allocations: 2.53 MB / 1.367 GB, free: 3.137 MB / 0.8855 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002567/1.278, allocations: 131 kB / 1.367 GB, free: 2.992 MB / 0.8855 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.546e-05/1.278, allocations: 64.55 kB / 1.367 GB, free: 2.918 MB / 0.8855 GB
Notification: Performance of pre-optimization done (n=208): time 4.429e-06/1.278, allocations: 0 / 1.367 GB, free: 2.918 MB / 0.8855 GB
Notification: Performance of matching and sorting (n=277): time 0.1084/1.386, allocations: 30.68 MB / 1.397 GB, free: 4.125 MB / 0.9167 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001399/1.386, allocations: 243.6 kB / 1.397 GB, free: 3.836 MB / 0.9167 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002629/1.389, allocations: 1.457 MB / 1.399 GB, free: 2.371 MB / 0.9167 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005438/1.39, allocations: 69.7 kB / 1.399 GB, free: 2.297 MB / 0.9167 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001033/1.391, allocations: 1.509 MB / 1.4 GB, free: 0.7656 MB / 0.9167 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001291/1.392, allocations: 0.932 MB / 1.401 GB, free: 15.82 MB / 0.9323 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004085/1.392, allocations: 64 kB / 1.401 GB, free: 15.75 MB / 0.9323 GB
Notification: Performance of setup shared object (initialization): time 0.0002755/1.393, allocations: 448.8 kB / 1.402 GB, free: 15.31 MB / 0.9323 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005973/1.399, allocations: 2.606 MB / 1.404 GB, free: 12.7 MB / 0.9323 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006854/1.406, allocations: 3.52 MB / 1.408 GB, free: 8.793 MB / 0.9323 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01261/1.418, allocations: 6.319 MB / 1.414 GB, free: 2.059 MB / 0.9323 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.168e-05/1.418, allocations: 8 kB / 1.414 GB, free: 2.051 MB / 0.9323 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.02462/1.443, allocations: 9.504 MB / 1.423 GB, free: 8.484 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0007191/1.444, allocations: 0.8945 MB / 1.424 GB, free: 7.207 MB / 0.948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.39e-05/1.444, allocations: 28 kB / 1.424 GB, free: 7.18 MB / 0.948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02606/1.47, allocations: 6.739 MB / 1.431 GB, free: 436 kB / 0.948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.4554/1.925, allocations: 0.8659 MB / 1.431 GB, free: 264.9 MB / 0.948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02747/1.953, allocations: 15.23 MB / 1.446 GB, free: 263.1 MB / 0.948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004641/1.957, allocations: 0.552 MB / 1.447 GB, free: 263.1 MB / 0.948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004376/1.958, allocations: 176.9 kB / 1.447 GB, free: 263.1 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 1.046e-05/1.958, allocations: 7.188 kB / 1.447 GB, free: 263.1 MB / 0.948 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.0104/1.968, allocations: 3.122 MB / 1.45 GB, free: 263 MB / 0.948 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated