Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.62/1.62, allocations: 289.7 MB / 302.2 MB, free: 2.168 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001546/0.001546, allocations: 176.6 kB / 371.6 MB, free: 3.352 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.476/1.476, allocations: 205.2 MB / 0.6309 GB, free: 11.76 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009726/0.0009727, allocations: 91.19 kB / 0.745 GB, free: 54.5 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 3.849e-05/3.852e-05, allocations: 8 kB / 0.8663 GB, free: 15.02 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2339/0.234, allocations: 116.3 MB / 0.9798 GB, free: 10.56 MB / 0.7136 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.7275/0.9615, allocations: 201.3 MB / 1.176 GB, free: 13.75 MB / 0.7605 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002701/0.9618, allocations: 111.3 kB / 1.176 GB, free: 13.69 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 0.3611/1.323, allocations: 149.7 MB / 1.323 GB, free: 2.719 MB / 0.8855 GB Notification: Performance of FrontEnd: time 1.583e-06/1.323, allocations: 0 / 1.323 GB, free: 2.719 MB / 0.8855 GB Notification: Performance of Transformations before backend: time 0.0001219/1.323, allocations: 75.98 kB / 1.323 GB, free: 2.645 MB / 0.8855 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 0.00674/1.33, allocations: 2.954 MB / 1.326 GB, free: 15.64 MB / 0.9011 GB Notification: Performance of prepare preOptimizeDAE: time 5.101e-05/1.33, allocations: 15.95 kB / 1.326 GB, free: 15.62 MB / 0.9011 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01368/1.344, allocations: 2.227 MB / 1.328 GB, free: 13.39 MB / 0.9011 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004995/1.349, allocations: 2.197 MB / 1.33 GB, free: 11.14 MB / 0.9011 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002021/1.349, allocations: 267.1 kB / 1.33 GB, free: 10.88 MB / 0.9011 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008168/1.35, allocations: 352 kB / 1.331 GB, free: 10.54 MB / 0.9011 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01048/1.36, allocations: 6.013 MB / 1.336 GB, free: 4.422 MB / 0.9011 GB Notification: Performance of preOpt findStateOrder (simulation): time 6.265e-05/1.36, allocations: 4 kB / 1.336 GB, free: 4.418 MB / 0.9011 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004216/1.361, allocations: 144 kB / 1.337 GB, free: 4.277 MB / 0.9011 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004862/1.361, allocations: 314 kB / 1.337 GB, free: 3.969 MB / 0.9011 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00893/1.37, allocations: 5.426 MB / 1.342 GB, free: 14.54 MB / 0.9167 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 0.03501/1.405, allocations: 26.79 MB / 1.368 GB, free: 1.547 MB / 0.9323 GB Notification: Performance of preOpt comSubExp (simulation): time 0.005976/1.411, allocations: 4.494 MB / 1.373 GB, free: 12.75 MB / 0.948 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003068/1.414, allocations: 2.056 MB / 1.375 GB, free: 10.68 MB / 0.948 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002498/1.415, allocations: 127 kB / 1.375 GB, free: 10.53 MB / 0.948 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.409e-05/1.415, allocations: 60.56 kB / 1.375 GB, free: 10.46 MB / 0.948 GB Notification: Performance of pre-optimization done (n=208): time 4.538e-06/1.415, allocations: 3.938 kB / 1.375 GB, free: 10.46 MB / 0.948 GB Notification: Performance of matching and sorting (n=277): time 0.5997/2.014, allocations: 25.58 MB / 1.4 GB, free: 205.5 MB / 0.948 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001028/2.014, allocations: 238.6 kB / 1.4 GB, free: 205.2 MB / 0.948 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002719/2.017, allocations: 1.303 MB / 1.401 GB, free: 205.1 MB / 0.948 GB Notification: Performance of collectPreVariables (initialization): time 0.0005429/2.018, allocations: 70.45 kB / 1.401 GB, free: 205 MB / 0.948 GB Notification: Performance of collectInitialEqns (initialization): time 0.001006/2.019, allocations: 1.503 MB / 1.403 GB, free: 204.4 MB / 0.948 GB Notification: Performance of collectInitialBindings (initialization): time 0.001001/2.02, allocations: 0.9393 MB / 1.404 GB, free: 203.9 MB / 0.948 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002289/2.02, allocations: 63.94 kB / 1.404 GB, free: 203.9 MB / 0.948 GB Notification: Performance of setup shared object (initialization): time 0.0002455/2.02, allocations: 444.3 kB / 1.404 GB, free: 203.6 MB / 0.948 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003244/2.024, allocations: 2.108 MB / 1.406 GB, free: 203.6 MB / 0.948 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003244/2.027, allocations: 3.014 MB / 1.409 GB, free: 202.5 MB / 0.948 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003146/2.03, allocations: 2.571 MB / 1.412 GB, free: 202.5 MB / 0.948 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.69e-05/2.03, allocations: 9.797 kB / 1.412 GB, free: 202.5 MB / 0.948 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.01445/2.044, allocations: 8.065 MB / 1.42 GB, free: 202.2 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 0.001977/2.046, allocations: 10.63 MB / 1.43 GB, free: 191.1 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.472e-05/2.047, allocations: 25.88 kB / 1.43 GB, free: 191.1 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01868/2.065, allocations: 5.73 MB / 1.436 GB, free: 191.1 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003939/2.069, allocations: 0.8748 MB / 1.437 GB, free: 191.1 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01949/2.089, allocations: 14.58 MB / 1.451 GB, free: 189.1 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00447/2.093, allocations: 0.5322 MB / 1.451 GB, free: 189.1 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006467/2.094, allocations: 177.8 kB / 1.452 GB, free: 189.1 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 1.436e-05/2.094, allocations: 4.312 kB / 1.452 GB, free: 189.1 MB / 0.948 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 0.004228/2.098, allocations: 2.636 MB / 1.454 GB, free: 189 MB / 0.948 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated