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.YD.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.YD,fileNamePrefix="Buildings_6_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.407/4.407, allocations: 432.6 MB / 445.2 MB, free: 15.82 MB / 362.7 MB
Notification: Performance of FrontEnd - loaded program: time 4.311e-05/4.33e-05, allocations: 8.266 kB / 0.5383 GB, free: 10.24 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2301/0.2302, allocations: 98.73 MB / 0.6348 GB, free: 1.863 MB / 0.5105 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9173/1.148, allocations: 186.6 MB / 0.817 GB, free: 46.08 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.000416/1.148, allocations: 112 kB / 0.8171 GB, free: 46.08 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5402/1.688, allocations: 134.9 MB / 0.9488 GB, free: 14.36 MB / 0.698 GB
Notification: Performance of FrontEnd: time 6.742e-06/1.688, allocations: 0 / 0.9488 GB, free: 14.36 MB / 0.698 GB
Notification: Performance of Transformations before backend: time 0.000348/1.689, allocations: 79.77 kB / 0.9489 GB, free: 14.29 MB / 0.698 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 0.01424/1.703, allocations: 2.968 MB / 0.9518 GB, free: 11.27 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 6.31e-05/1.703, allocations: 8.031 kB / 0.9518 GB, free: 11.27 MB / 0.698 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002863/1.706, allocations: 0.5419 MB / 0.9524 GB, free: 10.72 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02266/1.729, allocations: 2.133 MB / 0.9544 GB, free: 8.586 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008631/1.737, allocations: 2.18 MB / 0.9566 GB, free: 6.379 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000501/1.738, allocations: 267 kB / 0.9568 GB, free: 6.125 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002314/1.74, allocations: 353.4 kB / 0.9572 GB, free: 5.793 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02272/1.763, allocations: 5.971 MB / 0.963 GB, free: 15.75 MB / 0.7136 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001549/1.763, allocations: 0 / 0.963 GB, free: 15.75 MB / 0.7136 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001282/1.764, allocations: 154.4 kB / 0.9631 GB, free: 15.61 MB / 0.7136 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000944/1.765, allocations: 310 kB / 0.9634 GB, free: 15.31 MB / 0.7136 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01894/1.784, allocations: 5.391 MB / 0.9687 GB, free: 9.91 MB / 0.7136 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.07796/1.862, allocations: 26.73 MB / 0.9948 GB, free: 13.13 MB / 0.7448 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01483/1.877, allocations: 4.506 MB / 0.9992 GB, free: 8.316 MB / 0.7448 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.008543/1.886, allocations: 2.052 MB / 1.001 GB, free: 6.246 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0006114/1.887, allocations: 138.7 kB / 1.001 GB, free: 6.105 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.292e-05/1.887, allocations: 56.56 kB / 1.001 GB, free: 6.039 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=208): time 9.428e-06/1.887, allocations: 4 kB / 1.001 GB, free: 6.035 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=277): time 0.2113/2.098, allocations: 25.94 MB / 1.027 GB, free: 12.1 MB / 0.7761 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001711/2.098, allocations: 239.6 kB / 1.027 GB, free: 11.82 MB / 0.7761 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00352/2.102, allocations: 1.304 MB / 1.028 GB, free: 10.5 MB / 0.7761 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008259/2.103, allocations: 69.7 kB / 1.028 GB, free: 10.43 MB / 0.7761 GB
Notification: Performance of collectInitialEqns (initialization): time 0.00176/2.104, allocations: 1.508 MB / 1.03 GB, free: 8.91 MB / 0.7761 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001999/2.106, allocations: 0.9391 MB / 1.031 GB, free: 7.98 MB / 0.7761 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005979/2.107, allocations: 68 kB / 1.031 GB, free: 7.914 MB / 0.7761 GB
Notification: Performance of setup shared object (initialization): time 0.0004048/2.108, allocations: 440.8 kB / 1.031 GB, free: 7.477 MB / 0.7761 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006553/2.114, allocations: 2.115 MB / 1.033 GB, free: 5.359 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007779/2.122, allocations: 3.025 MB / 1.036 GB, free: 1.949 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007657/2.13, allocations: 2.578 MB / 1.039 GB, free: 15.35 MB / 0.7917 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.823e-05/2.13, allocations: 8 kB / 1.039 GB, free: 15.34 MB / 0.7917 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.03817/2.168, allocations: 8.119 MB / 1.047 GB, free: 7.164 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.006402/2.174, allocations: 10.63 MB / 1.057 GB, free: 11.7 MB / 0.8073 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001185/2.175, allocations: 27.94 kB / 1.057 GB, free: 11.67 MB / 0.8073 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.06026/2.235, allocations: 6.533 MB / 1.063 GB, free: 5.121 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007853/2.243, allocations: 0.8774 MB / 1.064 GB, free: 4.242 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04297/2.286, allocations: 14.66 MB / 1.079 GB, free: 5.418 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01079/2.297, allocations: 0.53 MB / 1.079 GB, free: 4.887 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001567/2.298, allocations: 187.9 kB / 1.079 GB, free: 4.703 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 3.097e-05/2.298, allocations: 4 kB / 1.079 GB, free: 4.699 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 0.009141/2.308, allocations: 2.656 MB / 1.082 GB, free: 2.016 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated