Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/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 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_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_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.495/2.495, allocations: 287.5 MB / 303.2 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 0.00143/0.00143, allocations: 193.3 kB / 371.8 MB, free: 10.81 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.073/2.073, allocations: 205.4 MB / 0.6305 GB, free: 10.55 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009351/0.0009351, allocations: 95.98 kB / 0.7438 GB, free: 6.551 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0005818/0.0005819, allocations: 12.42 kB / 0.8668 GB, free: 140.6 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2157/0.2163, allocations: 115.3 MB / 0.9793 GB, free: 28.16 MB / 0.6198 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.992/1.208, allocations: 200.1 MB / 1.175 GB, free: 15.84 MB / 0.7136 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004372/1.209, allocations: 119.3 kB / 1.175 GB, free: 15.77 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 0.6111/1.82, allocations: 139 MB / 1.311 GB, free: 15.54 MB / 0.8386 GB Notification: Performance of FrontEnd: time 3.065e-06/1.82, allocations: 0 / 1.311 GB, free: 15.54 MB / 0.8386 GB Notification: Performance of Transformations before backend: time 0.0002126/1.82, allocations: 79.94 kB / 1.311 GB, free: 15.46 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 0.01346/1.834, allocations: 3.085 MB / 1.314 GB, free: 12.32 MB / 0.8386 GB Notification: Performance of prepare preOptimizeDAE: time 4.839e-05/1.834, allocations: 8.031 kB / 1.314 GB, free: 12.32 MB / 0.8386 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0238/1.858, allocations: 2.224 MB / 1.316 GB, free: 10.09 MB / 0.8386 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007674/1.865, allocations: 2.23 MB / 1.318 GB, free: 7.812 MB / 0.8386 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003552/1.866, allocations: 267.1 kB / 1.318 GB, free: 7.551 MB / 0.8386 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001757/1.867, allocations: 352 kB / 1.319 GB, free: 7.207 MB / 0.8386 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02527/1.893, allocations: 6.57 MB / 1.325 GB, free: 0.5352 MB / 0.8386 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001268/1.893, allocations: 3.938 kB / 1.325 GB, free: 0.5312 MB / 0.8386 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008473/1.894, allocations: 152 kB / 1.325 GB, free: 392 kB / 0.8386 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008379/1.895, allocations: 302.1 kB / 1.325 GB, free: 88 kB / 0.8386 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02858/1.923, allocations: 6.439 MB / 1.332 GB, free: 9.641 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 0.05879/1.982, allocations: 26.81 MB / 1.358 GB, free: 12.62 MB / 0.8855 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01551/1.998, allocations: 4.993 MB / 1.363 GB, free: 7.336 MB / 0.8855 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01076/2.008, allocations: 2.53 MB / 1.365 GB, free: 4.781 MB / 0.8855 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004418/2.009, allocations: 135 kB / 1.365 GB, free: 4.633 MB / 0.8855 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.852e-05/2.009, allocations: 60.5 kB / 1.366 GB, free: 4.562 MB / 0.8855 GB Notification: Performance of pre-optimization done (n=208): time 5.149e-06/2.009, allocations: 0 / 1.366 GB, free: 4.562 MB / 0.8855 GB Notification: Performance of matching and sorting (n=277): time 0.2165/2.226, allocations: 30.68 MB / 1.395 GB, free: 5.77 MB / 0.9167 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001701/2.226, allocations: 243.6 kB / 1.396 GB, free: 5.48 MB / 0.9167 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003779/2.23, allocations: 1.461 MB / 1.397 GB, free: 4.012 MB / 0.9167 GB Notification: Performance of collectPreVariables (initialization): time 0.0007399/2.23, allocations: 69.7 kB / 1.397 GB, free: 3.938 MB / 0.9167 GB Notification: Performance of collectInitialEqns (initialization): time 0.001701/2.232, allocations: 1.509 MB / 1.399 GB, free: 2.406 MB / 0.9167 GB Notification: Performance of collectInitialBindings (initialization): time 0.001798/2.234, allocations: 0.9357 MB / 1.4 GB, free: 1.457 MB / 0.9167 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005864/2.235, allocations: 64 kB / 1.4 GB, free: 1.395 MB / 0.9167 GB Notification: Performance of setup shared object (initialization): time 0.0004409/2.235, allocations: 440.8 kB / 1.4 GB, free: 0.957 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01156/2.247, allocations: 2.606 MB / 1.403 GB, free: 14.34 MB / 0.9323 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01282/2.259, allocations: 3.52 MB / 1.406 GB, free: 10.44 MB / 0.9323 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02449/2.284, allocations: 6.323 MB / 1.412 GB, free: 3.699 MB / 0.9323 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.708e-05/2.284, allocations: 8 kB / 1.412 GB, free: 3.691 MB / 0.9323 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04632/2.33, allocations: 9.5 MB / 1.421 GB, free: 10.13 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 0.000922/2.331, allocations: 0.8867 MB / 1.422 GB, free: 8.859 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.938e-05/2.331, allocations: 31.94 kB / 1.422 GB, free: 8.828 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.05041/2.382, allocations: 6.743 MB / 1.429 GB, free: 2.074 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007555/2.39, allocations: 0.8733 MB / 1.43 GB, free: 1.203 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6972/3.087, allocations: 15.22 MB / 1.445 GB, free: 261.8 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007916/3.095, allocations: 0.559 MB / 1.445 GB, free: 261.8 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001275/3.096, allocations: 172.7 kB / 1.445 GB, free: 261.8 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 1.598e-05/3.096, allocations: 5.875 kB / 1.445 GB, free: 261.8 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 postOpt replaceHomotopyWithSimplified (initialization): time 0.01347/3.11, allocations: 3.125 MB / 1.448 GB, free: 261.7 MB / 0.948 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated