Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.311/1.311, allocations: 252 MB / 267.9 MB, free: 10.93 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001006/0.001006, allocations: 181 kB / 327.6 MB, free: 2.176 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.481/1.481, allocations: 205.4 MB / 0.5785 GB, free: 20.22 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007284/0.0007283, allocations: 90.36 kB / 0.6831 GB, free: 12.85 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003667/0.0003668, allocations: 12.22 kB / 0.7974 GB, free: 135.2 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1781/0.1785, allocations: 106.3 MB / 0.9013 GB, free: 63.7 MB / 0.6042 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.6338/0.8124, allocations: 193.8 MB / 1.091 GB, free: 52.46 MB / 0.698 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002984/0.8127, allocations: 119 kB / 1.091 GB, free: 52.46 MB / 0.698 GB
Notification: Performance of FrontEnd - DAE generated: time 0.2956/1.108, allocations: 135.5 MB / 1.223 GB, free: 15.62 MB / 0.7292 GB
Notification: Performance of FrontEnd: time 3.156e-06/1.108, allocations: 4 kB / 1.223 GB, free: 15.62 MB / 0.7292 GB
Notification: Performance of Transformations before backend: time 0.0002171/1.109, allocations: 71.94 kB / 1.223 GB, free: 15.55 MB / 0.7292 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 0.01091/1.12, allocations: 3.087 MB / 1.226 GB, free: 12.42 MB / 0.7292 GB
Notification: Performance of prepare preOptimizeDAE: time 4.531e-05/1.12, allocations: 8.031 kB / 1.226 GB, free: 12.41 MB / 0.7292 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0118/1.131, allocations: 2.134 MB / 1.228 GB, free: 10.28 MB / 0.7292 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005335/1.137, allocations: 2.218 MB / 1.23 GB, free: 8.027 MB / 0.7292 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002683/1.137, allocations: 271.1 kB / 1.231 GB, free: 7.773 MB / 0.7292 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001634/1.139, allocations: 354.7 kB / 1.231 GB, free: 7.438 MB / 0.7292 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01649/1.155, allocations: 6.532 MB / 1.237 GB, free: 0.8359 MB / 0.7292 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000106/1.155, allocations: 3.938 kB / 1.237 GB, free: 0.832 MB / 0.7292 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008793/1.156, allocations: 159.2 kB / 1.237 GB, free: 0.6875 MB / 0.7292 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005137/1.157, allocations: 302.1 kB / 1.238 GB, free: 400 kB / 0.7292 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01567/1.172, allocations: 6.408 MB / 1.244 GB, free: 9.965 MB / 0.7448 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03818/1.211, allocations: 26.76 MB / 1.27 GB, free: 13.16 MB / 0.7761 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008125/1.219, allocations: 5.007 MB / 1.275 GB, free: 7.852 MB / 0.7761 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.005344/1.224, allocations: 2.53 MB / 1.278 GB, free: 5.305 MB / 0.7761 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002584/1.225, allocations: 138.2 kB / 1.278 GB, free: 5.16 MB / 0.7761 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.901e-05/1.225, allocations: 64.48 kB / 1.278 GB, free: 5.09 MB / 0.7761 GB
Notification: Performance of pre-optimization done (n=208): time 4.138e-06/1.225, allocations: 0 / 1.278 GB, free: 5.09 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=277): time 0.1045/1.329, allocations: 31 MB / 1.308 GB, free: 6.031 MB / 0.8073 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001412/1.329, allocations: 243.5 kB / 1.308 GB, free: 5.742 MB / 0.8073 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002491/1.332, allocations: 1.469 MB / 1.31 GB, free: 4.266 MB / 0.8073 GB
Notification: Performance of collectPreVariables (initialization): time 0.0004651/1.332, allocations: 65.7 kB / 1.31 GB, free: 4.195 MB / 0.8073 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0011/1.333, allocations: 1.504 MB / 1.311 GB, free: 2.68 MB / 0.8073 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001169/1.335, allocations: 0.9414 MB / 1.312 GB, free: 1.746 MB / 0.8073 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003933/1.335, allocations: 64 kB / 1.312 GB, free: 1.684 MB / 0.8073 GB
Notification: Performance of setup shared object (initialization): time 0.0002819/1.335, allocations: 444.8 kB / 1.313 GB, free: 1.242 MB / 0.8073 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005587/1.341, allocations: 2.615 MB / 1.315 GB, free: 14.62 MB / 0.823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006288/1.347, allocations: 3.527 MB / 1.319 GB, free: 10.71 MB / 0.823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01209/1.359, allocations: 6.343 MB / 1.325 GB, free: 3.953 MB / 0.823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.373e-05/1.359, allocations: 8 kB / 1.325 GB, free: 3.945 MB / 0.823 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.02307/1.382, allocations: 9.559 MB / 1.334 GB, free: 10.33 MB / 0.8386 GB
Notification: Performance of prepare postOptimizeDAE: time 0.000793/1.383, allocations: 0.8848 MB / 1.335 GB, free: 9.059 MB / 0.8386 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.646e-05/1.383, allocations: 28 kB / 1.335 GB, free: 9.031 MB / 0.8386 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02815/1.411, allocations: 7.531 MB / 1.342 GB, free: 1.484 MB / 0.8386 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003937/1.415, allocations: 0.8742 MB / 1.343 GB, free: 0.6094 MB / 0.8386 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02525/1.441, allocations: 15.31 MB / 1.358 GB, free: 1.133 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004366/1.445, allocations: 0.5457 MB / 1.359 GB, free: 0.5859 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009418/1.446, allocations: 199.9 kB / 1.359 GB, free: 400 kB / 0.8542 GB
Notification: Performance of prepare postOptimizeDAE: time 1.506e-05/1.446, allocations: 4 kB / 1.359 GB, free: 396 kB / 0.8542 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 0.007386/1.454, allocations: 3.141 MB / 1.362 GB, free: 13.22 MB / 0.8698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated