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.BalancedStepUp.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.BalancedStepUp.YD,fileNamePrefix="Buildings_6_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadModel(Buildings): time 4.156/4.156, allocations: 432.6 MB / 445.2 MB, free: 15.82 MB / 362.7 MB Notification: Performance of FrontEnd - loaded program: time 3.564e-05/3.578e-05, allocations: 4.922 kB / 0.5383 GB, free: 10.28 MB / 442.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2561/0.2562, allocations: 98.73 MB / 0.6348 GB, free: 1.871 MB / 0.5105 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9346/1.191, allocations: 186 MB / 0.8164 GB, free: 46.02 MB / 0.6511 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.000402/1.191, allocations: 115.1 kB / 0.8165 GB, free: 46.02 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 0.5067/1.698, allocations: 134.5 MB / 0.9478 GB, free: 15.2 MB / 0.698 GB Notification: Performance of FrontEnd: time 4.538e-06/1.698, allocations: 0 / 0.9478 GB, free: 15.2 MB / 0.698 GB Notification: Performance of Transformations before backend: time 0.0002164/1.698, allocations: 71.94 kB / 0.9479 GB, free: 15.13 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 0.01369/1.712, allocations: 2.937 MB / 0.9507 GB, free: 12.15 MB / 0.698 GB Notification: Performance of prepare preOptimizeDAE: time 5.834e-05/1.712, allocations: 15.97 kB / 0.9508 GB, free: 12.14 MB / 0.698 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002963/1.715, allocations: 0.5337 MB / 0.9513 GB, free: 11.61 MB / 0.698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02282/1.738, allocations: 2.118 MB / 0.9533 GB, free: 9.48 MB / 0.698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008222/1.746, allocations: 2.173 MB / 0.9555 GB, free: 7.281 MB / 0.698 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004205/1.747, allocations: 262.8 kB / 0.9557 GB, free: 7.031 MB / 0.698 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002112/1.749, allocations: 343.7 kB / 0.956 GB, free: 6.707 MB / 0.698 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02231/1.771, allocations: 5.944 MB / 0.9619 GB, free: 0.6953 MB / 0.698 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001555/1.771, allocations: 7.938 kB / 0.9619 GB, free: 0.6875 MB / 0.698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001663/1.773, allocations: 155.5 kB / 0.962 GB, free: 0.5469 MB / 0.698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009423/1.774, allocations: 302 kB / 0.9623 GB, free: 256 kB / 0.698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0191/1.793, allocations: 5.383 MB / 0.9676 GB, free: 10.86 MB / 0.7136 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.06226/1.855, allocations: 26.66 MB / 0.9936 GB, free: 14.15 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01122/1.867, allocations: 4.497 MB / 0.998 GB, free: 9.34 MB / 0.7448 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00606/1.873, allocations: 2.052 MB / 1 GB, free: 7.273 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004343/1.873, allocations: 130.9 kB / 1 GB, free: 7.137 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.414e-05/1.873, allocations: 64.5 kB / 1 GB, free: 7.062 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=208): time 5.22e-06/1.873, allocations: 0 / 1 GB, free: 7.062 MB / 0.7448 GB Notification: Performance of matching and sorting (n=277): time 0.2141/2.088, allocations: 25.89 MB / 1.025 GB, free: 13.18 MB / 0.7761 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0002122/2.088, allocations: 239.6 kB / 1.026 GB, free: 12.89 MB / 0.7761 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005536/2.093, allocations: 1.27 MB / 1.027 GB, free: 11.61 MB / 0.7761 GB Notification: Performance of collectPreVariables (initialization): time 0.0007709/2.094, allocations: 69.7 kB / 1.027 GB, free: 11.54 MB / 0.7761 GB Notification: Performance of collectInitialEqns (initialization): time 0.001619/2.096, allocations: 1.481 MB / 1.028 GB, free: 10.05 MB / 0.7761 GB Notification: Performance of collectInitialBindings (initialization): time 0.001781/2.098, allocations: 0.9448 MB / 1.029 GB, free: 9.109 MB / 0.7761 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005427/2.098, allocations: 68 kB / 1.029 GB, free: 9.043 MB / 0.7761 GB Notification: Performance of setup shared object (initialization): time 0.0003676/2.099, allocations: 440.8 kB / 1.03 GB, free: 8.605 MB / 0.7761 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.007647/2.106, allocations: 2.115 MB / 1.032 GB, free: 6.488 MB / 0.7761 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01037/2.117, allocations: 3.025 MB / 1.035 GB, free: 3.078 MB / 0.7761 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0102/2.127, allocations: 2.586 MB / 1.037 GB, free: 480 kB / 0.7761 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.091e-05/2.127, allocations: 8 kB / 1.037 GB, free: 472 kB / 0.7761 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04262/2.17, allocations: 8.12 MB / 1.045 GB, free: 8.281 MB / 0.7917 GB Notification: Performance of prepare postOptimizeDAE: time 0.005583/2.175, allocations: 10.62 MB / 1.056 GB, free: 12.82 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001193/2.176, allocations: 35.98 kB / 1.056 GB, free: 12.79 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.06803/2.244, allocations: 6.533 MB / 1.062 GB, free: 6.238 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009095/2.253, allocations: 0.8657 MB / 1.063 GB, free: 5.371 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05076/2.304, allocations: 14.66 MB / 1.077 GB, free: 6.559 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007675/2.311, allocations: 0.5264 MB / 1.078 GB, free: 6.031 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001267/2.313, allocations: 203.8 kB / 1.078 GB, free: 5.832 MB / 0.823 GB Notification: Performance of prepare postOptimizeDAE: time 2.058e-05/2.313, allocations: 4 kB / 1.078 GB, free: 5.828 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 postOpt replaceHomotopyWithSimplified (initialization): time 0.009155/2.322, allocations: 2.64 MB / 1.081 GB, free: 3.168 MB / 0.823 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated