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 Buildings with version 6.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 6.0.0/package.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 Complex with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Complex 3.2.2.mo) Using package ModelicaServices with version 3.2.2 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_6.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/ModelicaServices 3.2.2/package.mo): time 0.004293/0.004296, allocations: 231.2 kB / 15.82 MB, free: 6.293 MB / 13.93 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Complex 3.2.2.mo): time 0.001188/0.001188, allocations: 175.3 kB / 16.7 MB, free: 5.453 MB / 13.93 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Modelica 3.2.2/package.mo): time 3.596/3.596, allocations: 389.1 MB / 406.5 MB, free: 6.805 MB / 202.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/build/lib/omlibrary/Buildings 6.0.0/package.mo): time 4.295/4.295, allocations: 472.3 MB / 0.9024 GB, free: 183.9 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004657/0.0004657, allocations: 12 kB / 1.008 GB, free: 81.12 MB / 0.5573 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6573/0.6578, allocations: 98.69 MB / 1.105 GB, free: 34.68 MB / 0.5573 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.3159/0.9737, allocations: 186.7 MB / 1.287 GB, free: 5.617 MB / 0.6823 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.000473/0.9743, allocations: 129.4 kB / 1.287 GB, free: 5.492 MB / 0.6823 GB Notification: Performance of FrontEnd - DAE generated: time 1.122/2.097, allocations: 135.2 MB / 1.419 GB, free: 182.5 MB / 0.7605 GB Notification: Performance of FrontEnd: time 3.497e-06/2.097, allocations: 0 / 1.419 GB, free: 182.5 MB / 0.7605 GB Notification: Performance of Transformations before backend: time 0.0002127/2.097, allocations: 72.16 kB / 1.419 GB, free: 182.5 MB / 0.7605 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 0.01491/2.112, allocations: 3.13 MB / 1.422 GB, free: 180.9 MB / 0.7605 GB Notification: Performance of prepare preOptimizeDAE: time 4.274e-05/2.112, allocations: 11.97 kB / 1.422 GB, free: 180.9 MB / 0.7605 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02319/2.135, allocations: 2.129 MB / 1.424 GB, free: 180.7 MB / 0.7605 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008218/2.143, allocations: 2.194 MB / 1.426 GB, free: 179.6 MB / 0.7605 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003191/2.144, allocations: 266.4 kB / 1.427 GB, free: 179.5 MB / 0.7605 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00218/2.146, allocations: 353.6 kB / 1.427 GB, free: 179.4 MB / 0.7605 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02495/2.171, allocations: 6.531 MB / 1.433 GB, free: 177 MB / 0.7605 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001304/2.171, allocations: 0 / 1.433 GB, free: 177 MB / 0.7605 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0009931/2.172, allocations: 149 kB / 1.434 GB, free: 176.9 MB / 0.7605 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008149/2.173, allocations: 311.7 kB / 1.434 GB, free: 176.9 MB / 0.7605 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02599/2.199, allocations: 6.406 MB / 1.44 GB, free: 174.9 MB / 0.7605 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05035/2.249, allocations: 26.74 MB / 1.466 GB, free: 155.7 MB / 0.7605 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01386/2.263, allocations: 5.009 MB / 1.471 GB, free: 153.1 MB / 0.7605 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.009807/2.273, allocations: 2.529 MB / 1.474 GB, free: 152 MB / 0.7605 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003759/2.274, allocations: 140.2 kB / 1.474 GB, free: 151.9 MB / 0.7605 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.199e-05/2.274, allocations: 54.94 kB / 1.474 GB, free: 151.8 MB / 0.7605 GB Notification: Performance of pre-optimization done (n=208): time 5.741e-06/2.274, allocations: 0 / 1.474 GB, free: 151.8 MB / 0.7605 GB Notification: Performance of matching and sorting (n=277): time 0.2065/2.48, allocations: 31 MB / 1.504 GB, free: 125.6 MB / 0.7605 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.814e-05/2.48, allocations: 243.6 kB / 1.504 GB, free: 125.3 MB / 0.7605 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002796/2.483, allocations: 1.461 MB / 1.506 GB, free: 123.8 MB / 0.7605 GB Notification: Performance of collectPreVariables (initialization): time 0.0008021/2.484, allocations: 73.7 kB / 1.506 GB, free: 123.7 MB / 0.7605 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009181/2.485, allocations: 1.506 MB / 1.507 GB, free: 122.2 MB / 0.7605 GB Notification: Performance of collectInitialBindings (initialization): time 0.001382/2.486, allocations: 0.9336 MB / 1.508 GB, free: 121.3 MB / 0.7605 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004696/2.487, allocations: 68 kB / 1.508 GB, free: 121.2 MB / 0.7605 GB Notification: Performance of setup shared object (initialization): time 0.0002388/2.487, allocations: 444.8 kB / 1.509 GB, free: 120.8 MB / 0.7605 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01029/2.497, allocations: 2.617 MB / 1.511 GB, free: 118.2 MB / 0.7605 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01109/2.508, allocations: 3.531 MB / 1.515 GB, free: 114.3 MB / 0.7605 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01113/2.52, allocations: 3.064 MB / 1.518 GB, free: 111.2 MB / 0.7605 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.291e-05/2.52, allocations: 8 kB / 1.518 GB, free: 111.2 MB / 0.7605 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04216/2.562, allocations: 9.561 MB / 1.527 GB, free: 101.5 MB / 0.7605 GB Notification: Performance of prepare postOptimizeDAE: time 0.0007043/2.563, allocations: 0.8821 MB / 1.528 GB, free: 100.3 MB / 0.7605 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.496e-05/2.563, allocations: 33.67 kB / 1.528 GB, free: 100.2 MB / 0.7605 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.05566/2.618, allocations: 7.531 MB / 1.535 GB, free: 92.7 MB / 0.7605 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007342/2.626, allocations: 0.8735 MB / 1.536 GB, free: 91.83 MB / 0.7605 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04119/2.667, allocations: 15.31 MB / 1.551 GB, free: 76.36 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007819/2.675, allocations: 0.5573 MB / 1.552 GB, free: 75.8 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001163/2.676, allocations: 199.9 kB / 1.552 GB, free: 75.61 MB / 0.7605 GB Notification: Performance of prepare postOptimizeDAE: time 1.191e-05/2.676, allocations: 4 kB / 1.552 GB, free: 75.6 MB / 0.7605 GB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singular and cannot be handled because the number of unassigned equations is larger than the number of states. Use -d=bltdump to get more information. Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01253/2.689, allocations: 3.143 MB / 1.555 GB, free: 72.43 MB / 0.7605 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated