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.BalancedStepDown.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.BalancedStepDown.YD,fileNamePrefix="Buildings_6_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadModel(Buildings): time 4.013/4.013, allocations: 432.6 MB / 445.2 MB, free: 15.82 MB / 362.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.269e-05/3.273e-05, allocations: 4.891 kB / 0.5383 GB, free: 10.23 MB / 442.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2172/0.2172, allocations: 98.73 MB / 0.6348 GB, free: 1.836 MB / 0.5105 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.9133/1.131, allocations: 186.1 MB / 0.8165 GB, free: 46.14 MB / 0.6511 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003745/1.131, allocations: 113 kB / 0.8166 GB, free: 46.14 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 0.5568/1.688, allocations: 134.3 MB / 0.9478 GB, free: 15.26 MB / 0.698 GB
Notification: Performance of FrontEnd: time 2.715e-06/1.688, allocations: 4 kB / 0.9478 GB, free: 15.25 MB / 0.698 GB
Notification: Performance of Transformations before backend: time 0.0002989/1.688, allocations: 71.94 kB / 0.9478 GB, free: 15.18 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: 983
 * Number of variables: 983
Notification: Performance of Generate backend data structure: time 0.01719/1.705, allocations: 2.94 MB / 0.9507 GB, free: 12.2 MB / 0.698 GB
Notification: Performance of prepare preOptimizeDAE: time 6.754e-05/1.705, allocations: 12.03 kB / 0.9507 GB, free: 12.19 MB / 0.698 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.003082/1.709, allocations: 0.5419 MB / 0.9512 GB, free: 11.65 MB / 0.698 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.03047/1.739, allocations: 2.126 MB / 0.9533 GB, free: 9.516 MB / 0.698 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.01044/1.75, allocations: 2.173 MB / 0.9554 GB, free: 7.316 MB / 0.698 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004947/1.75, allocations: 262.8 kB / 0.9557 GB, free: 7.066 MB / 0.698 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002393/1.753, allocations: 343.6 kB / 0.956 GB, free: 6.742 MB / 0.698 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02334/1.776, allocations: 5.954 MB / 0.9618 GB, free: 0.7227 MB / 0.698 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001773/1.776, allocations: 4 kB / 0.9618 GB, free: 0.7188 MB / 0.698 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001778/1.778, allocations: 151.7 kB / 0.962 GB, free: 0.5781 MB / 0.698 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009984/1.779, allocations: 302 kB / 0.9623 GB, free: 288 kB / 0.698 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02715/1.806, allocations: 5.383 MB / 0.9675 GB, free: 10.89 MB / 0.7136 GB
Warning: The model contains alias variables with conflicting start and/or 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 0.09467/1.901, allocations: 26.66 MB / 0.9936 GB, free: 14.19 MB / 0.7448 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0176/1.919, allocations: 4.497 MB / 0.9979 GB, free: 9.383 MB / 0.7448 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.009113/1.928, allocations: 2.044 MB / 0.9999 GB, free: 7.32 MB / 0.7448 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0006394/1.928, allocations: 138.3 kB / 1 GB, free: 7.18 MB / 0.7448 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001044/1.929, allocations: 60.5 kB / 1 GB, free: 7.109 MB / 0.7448 GB
Notification: Performance of pre-optimization done (n=208): time 9.418e-06/1.929, allocations: 0 / 1 GB, free: 7.109 MB / 0.7448 GB
Notification: Performance of matching and sorting (n=277): time 0.1915/2.12, allocations: 25.9 MB / 1.025 GB, free: 13.22 MB / 0.7761 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001653/2.12, allocations: 239.6 kB / 1.026 GB, free: 12.93 MB / 0.7761 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003167/2.124, allocations: 1.27 MB / 1.027 GB, free: 11.65 MB / 0.7761 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007941/2.124, allocations: 69.7 kB / 1.027 GB, free: 11.58 MB / 0.7761 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001535/2.126, allocations: 1.481 MB / 1.028 GB, free: 10.09 MB / 0.7761 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001825/2.128, allocations: 0.9386 MB / 1.029 GB, free: 9.152 MB / 0.7761 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005596/2.128, allocations: 64 kB / 1.029 GB, free: 9.09 MB / 0.7761 GB
Notification: Performance of setup shared object (initialization): time 0.0003842/2.129, allocations: 444.8 kB / 1.03 GB, free: 8.648 MB / 0.7761 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006719/2.136, allocations: 2.119 MB / 1.032 GB, free: 6.527 MB / 0.7761 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.008105/2.144, allocations: 3.025 MB / 1.035 GB, free: 3.117 MB / 0.7761 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007526/2.151, allocations: 2.578 MB / 1.037 GB, free: 0.5156 MB / 0.7761 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.747e-05/2.151, allocations: 8 kB / 1.037 GB, free: 0.5078 MB / 0.7761 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.03316/2.185, allocations: 8.12 MB / 1.045 GB, free: 8.332 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.005905/2.191, allocations: 10.63 MB / 1.056 GB, free: 12.86 MB / 0.8073 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001115/2.191, allocations: 24 kB / 1.056 GB, free: 12.84 MB / 0.8073 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.047/2.238, allocations: 6.525 MB / 1.062 GB, free: 6.297 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007755/2.246, allocations: 0.8696 MB / 1.063 GB, free: 5.426 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04101/2.287, allocations: 14.64 MB / 1.077 GB, free: 6.625 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007413/2.294, allocations: 0.534 MB / 1.078 GB, free: 6.09 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007551/2.295, allocations: 192.3 kB / 1.078 GB, free: 5.902 MB / 0.823 GB
Notification: Performance of prepare postOptimizeDAE: time 1.742e-05/2.295, allocations: 4 kB / 1.078 GB, free: 5.898 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 0.0081/2.303, allocations: 2.656 MB / 1.081 GB, free: 3.219 MB / 0.823 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated