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.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.BalancedStepUp.DD,fileNamePrefix="Buildings_6_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepUp_DD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadModel(Buildings): time 4.213/4.213, allocations: 432.6 MB / 445.2 MB, free: 15.73 MB / 362.7 MB Notification: Performance of FrontEnd - loaded program: time 3.532e-05/3.547e-05, allocations: 7.094 kB / 0.5383 GB, free: 10.27 MB / 442.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2223/0.2223, allocations: 98.73 MB / 0.6348 GB, free: 1.836 MB / 0.5105 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9526/1.175, allocations: 184.9 MB / 0.8153 GB, free: 45.83 MB / 0.6511 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0006309/1.176, allocations: 114.6 kB / 0.8154 GB, free: 45.83 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 0.6029/1.779, allocations: 123.4 MB / 0.9359 GB, free: 11.02 MB / 0.6823 GB Notification: Performance of FrontEnd: time 1.703e-06/1.779, allocations: 0 / 0.9359 GB, free: 11.02 MB / 0.6823 GB Notification: Performance of Transformations before backend: time 0.0002261/1.779, allocations: 67.75 kB / 0.936 GB, free: 10.96 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: 863 * Number of variables: 863 Notification: Performance of Generate backend data structure: time 0.01334/1.792, allocations: 2.678 MB / 0.9386 GB, free: 8.238 MB / 0.6823 GB Notification: Performance of prepare preOptimizeDAE: time 5.93e-05/1.792, allocations: 12.02 kB / 0.9386 GB, free: 8.227 MB / 0.6823 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002708/1.795, allocations: 483.2 kB / 0.9391 GB, free: 7.754 MB / 0.6823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02315/1.818, allocations: 2.079 MB / 0.9411 GB, free: 5.668 MB / 0.6823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00793/1.826, allocations: 1.996 MB / 0.943 GB, free: 3.645 MB / 0.6823 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004064/1.827, allocations: 229.2 kB / 0.9433 GB, free: 3.43 MB / 0.6823 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002061/1.829, allocations: 299.3 kB / 0.9435 GB, free: 3.145 MB / 0.6823 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02138/1.85, allocations: 5.324 MB / 0.9487 GB, free: 13.75 MB / 0.698 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001643/1.85, allocations: 7.938 kB / 0.9487 GB, free: 13.74 MB / 0.698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001438/1.852, allocations: 135.3 kB / 0.9489 GB, free: 13.62 MB / 0.698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009611/1.853, allocations: 285.3 kB / 0.9492 GB, free: 13.34 MB / 0.698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01927/1.872, allocations: 5.015 MB / 0.954 GB, free: 8.309 MB / 0.698 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0583/1.931, allocations: 24.76 MB / 0.9782 GB, free: 13.61 MB / 0.7292 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01221/1.943, allocations: 4.976 MB / 0.9831 GB, free: 8.281 MB / 0.7292 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.007033/1.95, allocations: 2.313 MB / 0.9853 GB, free: 5.953 MB / 0.7292 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005289/1.951, allocations: 138.1 kB / 0.9855 GB, free: 5.812 MB / 0.7292 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.212e-05/1.951, allocations: 68.5 kB / 0.9855 GB, free: 5.734 MB / 0.7292 GB Notification: Performance of pre-optimization done (n=230): time 6.242e-06/1.951, allocations: 0 / 0.9855 GB, free: 5.734 MB / 0.7292 GB Notification: Performance of matching and sorting (n=311): time 0.2245/2.175, allocations: 30.95 MB / 1.016 GB, free: 6.852 MB / 0.7605 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000194/2.175, allocations: 243.8 kB / 1.016 GB, free: 6.562 MB / 0.7605 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002857/2.178, allocations: 1.119 MB / 1.017 GB, free: 5.426 MB / 0.7605 GB Notification: Performance of collectPreVariables (initialization): time 0.0009865/2.179, allocations: 73.7 kB / 1.017 GB, free: 5.348 MB / 0.7605 GB Notification: Performance of collectInitialEqns (initialization): time 0.001226/2.181, allocations: 1.234 MB / 1.018 GB, free: 4.102 MB / 0.7605 GB Notification: Performance of collectInitialBindings (initialization): time 0.001986/2.183, allocations: 1.044 MB / 1.019 GB, free: 3.066 MB / 0.7605 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005003/2.183, allocations: 64 kB / 1.019 GB, free: 3.004 MB / 0.7605 GB Notification: Performance of setup shared object (initialization): time 0.0003757/2.184, allocations: 444.7 kB / 1.02 GB, free: 2.562 MB / 0.7605 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006674/2.19, allocations: 2.236 MB / 1.022 GB, free: 332 kB / 0.7605 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.007641/2.198, allocations: 2.925 MB / 1.025 GB, free: 13.13 MB / 0.7761 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007907/2.206, allocations: 2.648 MB / 1.027 GB, free: 10.46 MB / 0.7761 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.951e-05/2.206, allocations: 8 kB / 1.027 GB, free: 10.46 MB / 0.7761 GB Notification: Performance of matching and sorting (n=412) (initialization): time 0.03208/2.238, allocations: 8.419 MB / 1.036 GB, free: 1.988 MB / 0.7761 GB Notification: Performance of prepare postOptimizeDAE: time 0.00347/2.242, allocations: 7.315 MB / 1.043 GB, free: 10.09 MB / 0.7917 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.498e-05/2.242, allocations: 24.08 kB / 1.043 GB, free: 10.07 MB / 0.7917 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.04728/2.289, allocations: 6.755 MB / 1.049 GB, free: 3.301 MB / 0.7917 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007596/2.297, allocations: 0.8306 MB / 1.05 GB, free: 2.469 MB / 0.7917 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04552/2.342, allocations: 16.64 MB / 1.067 GB, free: 1.66 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007742/2.35, allocations: 0.5069 MB / 1.067 GB, free: 1.152 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001158/2.351, allocations: 179.9 kB / 1.067 GB, free: 0.9766 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 1.785e-05/2.351, allocations: 3.953 kB / 1.067 GB, free: 0.9727 MB / 0.8073 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 0.008516/2.36, allocations: 2.718 MB / 1.07 GB, free: 14.24 MB / 0.823 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated