Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json 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 7.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,fileNamePrefix="Buildings_7_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.248/2.248, allocations: 248.5 MB / 261.1 MB, free: 6 MB / 202.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.00167/0.001669, allocations: 190.4 kB / 320.4 MB, free: 15.32 MB / 266.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.998/1.998, allocations: 205.2 MB / 0.571 GB, free: 11.79 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.00111/0.001109, allocations: 90.42 kB / 0.6754 GB, free: 0.8789 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 4.071e-05/4.1e-05, allocations: 4 kB / 0.787 GB, free: 97.77 MB / 0.5417 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1992/0.1993, allocations: 106.2 MB / 0.8907 GB, free: 7.418 MB / 0.5573 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.94/1.139, allocations: 193.1 MB / 1.079 GB, free: 8.617 MB / 0.698 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004319/1.14, allocations: 121.9 kB / 1.079 GB, free: 8.543 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 0.6693/1.809, allocations: 134.3 MB / 1.211 GB, free: 7.688 MB / 0.823 GB Notification: Performance of FrontEnd: time 2.635e-06/1.809, allocations: 3.938 kB / 1.211 GB, free: 7.684 MB / 0.823 GB Notification: Performance of Transformations before backend: time 0.000207/1.81, allocations: 76 kB / 1.211 GB, free: 7.609 MB / 0.823 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 0.01411/1.824, allocations: 2.929 MB / 1.214 GB, free: 4.625 MB / 0.823 GB Notification: Performance of prepare preOptimizeDAE: time 5.88e-05/1.824, allocations: 15.97 kB / 1.214 GB, free: 4.609 MB / 0.823 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002631/1.826, allocations: 0.5421 MB / 1.214 GB, free: 4.059 MB / 0.823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02262/1.849, allocations: 2.126 MB / 1.216 GB, free: 1.926 MB / 0.823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007836/1.857, allocations: 2.178 MB / 1.218 GB, free: 15.7 MB / 0.8386 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003698/1.857, allocations: 267.1 kB / 1.219 GB, free: 15.44 MB / 0.8386 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001829/1.859, allocations: 344 kB / 1.219 GB, free: 15.11 MB / 0.8386 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01986/1.879, allocations: 5.941 MB / 1.225 GB, free: 9.062 MB / 0.8386 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001338/1.879, allocations: 7.938 kB / 1.225 GB, free: 9.055 MB / 0.8386 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001007/1.88, allocations: 147.9 kB / 1.225 GB, free: 8.91 MB / 0.8386 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009256/1.881, allocations: 302 kB / 1.225 GB, free: 8.613 MB / 0.8386 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01792/1.899, allocations: 5.379 MB / 1.23 GB, free: 3.227 MB / 0.8386 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 0.06125/1.96, allocations: 26.67 MB / 1.256 GB, free: 6.371 MB / 0.8698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01135/1.972, allocations: 4.505 MB / 1.261 GB, free: 1.559 MB / 0.8698 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.6166/2.589, allocations: 2.039 MB / 1.263 GB, free: 239.3 MB / 0.8698 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004966/2.589, allocations: 131 kB / 1.263 GB, free: 239.2 MB / 0.8698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.451e-05/2.589, allocations: 66.52 kB / 1.263 GB, free: 239.1 MB / 0.8698 GB Notification: Performance of pre-optimization done (n=208): time 5.31e-06/2.589, allocations: 1.406 kB / 1.263 GB, free: 239.1 MB / 0.8698 GB Notification: Performance of matching and sorting (n=277): time 0.1876/2.777, allocations: 25.88 MB / 1.288 GB, free: 236.8 MB / 0.8698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001103/2.777, allocations: 242.6 kB / 1.288 GB, free: 236.6 MB / 0.8698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003342/2.78, allocations: 1.265 MB / 1.29 GB, free: 236.4 MB / 0.8698 GB Notification: Performance of collectPreVariables (initialization): time 0.0007883/2.781, allocations: 69.61 kB / 1.29 GB, free: 236.4 MB / 0.8698 GB Notification: Performance of collectInitialEqns (initialization): time 0.001388/2.783, allocations: 1.487 MB / 1.291 GB, free: 235.8 MB / 0.8698 GB Notification: Performance of collectInitialBindings (initialization): time 0.00183/2.784, allocations: 0.9435 MB / 1.292 GB, free: 235.2 MB / 0.8698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006077/2.785, allocations: 63 kB / 1.292 GB, free: 235.2 MB / 0.8698 GB Notification: Performance of setup shared object (initialization): time 0.0003107/2.785, allocations: 443.2 kB / 1.293 GB, free: 234.9 MB / 0.8698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006415/2.792, allocations: 2.119 MB / 1.295 GB, free: 234.9 MB / 0.8698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0077/2.8, allocations: 3.021 MB / 1.298 GB, free: 233.9 MB / 0.8698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007009/2.807, allocations: 2.587 MB / 1.3 GB, free: 233.8 MB / 0.8698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.365e-05/2.807, allocations: 11.81 kB / 1.3 GB, free: 233.8 MB / 0.8698 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.0293/2.836, allocations: 8.116 MB / 1.308 GB, free: 233.5 MB / 0.8698 GB Notification: Performance of prepare postOptimizeDAE: time 0.002422/2.839, allocations: 10.63 MB / 1.318 GB, free: 222.4 MB / 0.8698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000133/2.839, allocations: 27.72 kB / 1.319 GB, free: 222.4 MB / 0.8698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.04368/2.882, allocations: 6.528 MB / 1.325 GB, free: 222.2 MB / 0.8698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007346/2.89, allocations: 0.8704 MB / 1.326 GB, free: 222.2 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03618/2.926, allocations: 14.63 MB / 1.34 GB, free: 219.7 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00752/2.934, allocations: 0.5325 MB / 1.341 GB, free: 219.6 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001097/2.935, allocations: 197.2 kB / 1.341 GB, free: 219.5 MB / 0.8698 GB Notification: Performance of prepare postOptimizeDAE: time 3.627e-05/2.935, allocations: 3.812 kB / 1.341 GB, free: 219.5 MB / 0.8698 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 0.007812/2.943, allocations: 2.645 MB / 1.343 GB, free: 218.6 MB / 0.8698 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated