Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/./OMCompiler/build/lib/omlibrary/ --ompython_omhome=/usr Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD.conf.json
Using package ModelicaServices with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo)
Using package Complex with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Complex 3.2.2.mo)
Using package Modelica with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica 3.2.2/package.mo)
Using package Buildings with version 6.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 6.0.0/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DD,fileNamePrefix="Buildings_6_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 3.999/3.999, allocations: 432.6 MB / 445.2 MB, free: 15.81 MB / 362.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.503e-05/3.52e-05, allocations: 5.953 kB / 0.5383 GB, free: 10.29 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2141/0.2141, allocations: 98.73 MB / 0.6348 GB, free: 1.863 MB / 0.5105 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9084/1.123, allocations: 185.6 MB / 0.816 GB, free: 46.08 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003749/1.123, allocations: 117.9 kB / 0.8161 GB, free: 46.08 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5727/1.696, allocations: 124 MB / 0.9372 GB, free: 9.879 MB / 0.6823 GB
Notification: Performance of FrontEnd: time 4.368e-06/1.696, allocations: 0 / 0.9372 GB, free: 9.879 MB / 0.6823 GB
Notification: Performance of Transformations before backend: time 0.0002196/1.696, allocations: 71.88 kB / 0.9373 GB, free: 9.809 MB / 0.6823 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.0123/1.708, allocations: 2.707 MB / 0.94 GB, free: 7.059 MB / 0.6823 GB
Notification: Performance of prepare preOptimizeDAE: time 5.552e-05/1.708, allocations: 8.031 kB / 0.94 GB, free: 7.051 MB / 0.6823 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002489/1.711, allocations: 487.2 kB / 0.9404 GB, free: 6.57 MB / 0.6823 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0225/1.733, allocations: 2.09 MB / 0.9425 GB, free: 4.477 MB / 0.6823 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00757/1.741, allocations: 2.007 MB / 0.9444 GB, free: 2.441 MB / 0.6823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003884/1.741, allocations: 233.6 kB / 0.9447 GB, free: 2.223 MB / 0.6823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001873/1.743, allocations: 303.5 kB / 0.9449 GB, free: 1.934 MB / 0.6823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01986/1.763, allocations: 5.352 MB / 0.9502 GB, free: 12.5 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001509/1.763, allocations: 4 kB / 0.9502 GB, free: 12.5 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001577/1.765, allocations: 131.5 kB / 0.9503 GB, free: 12.38 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009651/1.766, allocations: 289.3 kB / 0.9506 GB, free: 12.09 MB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0175/1.784, allocations: 5.023 MB / 0.9555 GB, free: 7.059 MB / 0.698 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.06985/1.853, allocations: 24.84 MB / 0.9797 GB, free: 12.29 MB / 0.7292 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01597/1.869, allocations: 4.97 MB / 0.9846 GB, free: 6.957 MB / 0.7292 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.009296/1.879, allocations: 2.313 MB / 0.9869 GB, free: 4.633 MB / 0.7292 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0006282/1.88, allocations: 138.6 kB / 0.987 GB, free: 4.492 MB / 0.7292 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.439e-05/1.88, allocations: 64.52 kB / 0.987 GB, free: 4.418 MB / 0.7292 GB
Notification: Performance of pre-optimization done (n=230): time 8.255e-06/1.88, allocations: 0 / 0.987 GB, free: 4.418 MB / 0.7292 GB
Notification: Performance of matching and sorting (n=311): time 0.2317/2.111, allocations: 31.01 MB / 1.017 GB, free: 5.477 MB / 0.7605 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001774/2.112, allocations: 243.9 kB / 1.018 GB, free: 5.188 MB / 0.7605 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002988/2.115, allocations: 1.146 MB / 1.019 GB, free: 4.02 MB / 0.7605 GB
Notification: Performance of collectPreVariables (initialization): time 0.0009141/2.116, allocations: 77.7 kB / 1.019 GB, free: 3.938 MB / 0.7605 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001388/2.117, allocations: 1.252 MB / 1.02 GB, free: 2.676 MB / 0.7605 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002052/2.119, allocations: 1.046 MB / 1.021 GB, free: 1.637 MB / 0.7605 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006013/2.12, allocations: 64 kB / 1.021 GB, free: 1.574 MB / 0.7605 GB
Notification: Performance of setup shared object (initialization): time 0.000397/2.12, allocations: 436.7 kB / 1.021 GB, free: 1.141 MB / 0.7605 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.008008/2.128, allocations: 2.24 MB / 1.024 GB, free: 14.9 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.01217/2.14, allocations: 2.922 MB / 1.027 GB, free: 11.71 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.008452/2.149, allocations: 2.664 MB / 1.029 GB, free: 9.027 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.082e-05/2.149, allocations: 4 kB / 1.029 GB, free: 9.023 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.03268/2.182, allocations: 8.415 MB / 1.037 GB, free: 0.5586 MB / 0.7761 GB
Notification: Performance of prepare postOptimizeDAE: time 0.00374/2.185, allocations: 7.33 MB / 1.044 GB, free: 8.648 MB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.208e-05/2.186, allocations: 20 kB / 1.045 GB, free: 8.629 MB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.04753/2.233, allocations: 6.758 MB / 1.051 GB, free: 1.852 MB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007537/2.241, allocations: 0.8268 MB / 1.052 GB, free: 1.023 MB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04726/2.288, allocations: 16.65 MB / 1.068 GB, free: 220 kB / 0.8073 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007574/2.296, allocations: 0.5069 MB / 1.069 GB, free: 15.71 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001243/2.297, allocations: 183.9 kB / 1.069 GB, free: 15.53 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.7e-05/2.297, allocations: 4 kB / 1.069 GB, free: 15.52 MB / 0.823 GB
Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singulare and cannot handled because number of unassigned equations is larger than number of states. Use -d=bltdump to get more information.
Notification: Performance of <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.008827/2.306, allocations: 2.711 MB / 1.071 GB, free: 12.79 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated