Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/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 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.639/2.639, allocations: 287.5 MB / 303.2 MB, free: 8.098 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001364/0.001364, allocations: 174 kB / 371.8 MB, free: 10.75 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.049/2.049, allocations: 205.4 MB / 0.6305 GB, free: 10.55 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001048/0.001048, allocations: 92.73 kB / 0.7438 GB, free: 6.547 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004926/0.0004927, allocations: 12.19 kB / 0.8668 GB, free: 140.5 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2223/0.2229, allocations: 115.3 MB / 0.9793 GB, free: 28.16 MB / 0.6198 GB Notification: Performance of FrontEnd - scodeFlatten: time 1.001/1.224, allocations: 199.5 MB / 1.174 GB, free: 476 kB / 0.698 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004571/1.225, allocations: 123.2 kB / 1.174 GB, free: 400 kB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 0.5301/1.755, allocations: 134.8 MB / 1.306 GB, free: 4.355 MB / 0.823 GB Notification: Performance of FrontEnd: time 3.577e-06/1.755, allocations: 0 / 1.306 GB, free: 4.355 MB / 0.823 GB Notification: Performance of Transformations before backend: time 0.0002067/1.755, allocations: 75.98 kB / 1.306 GB, free: 4.281 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 0.01346/1.769, allocations: 3.054 MB / 1.309 GB, free: 1.168 MB / 0.823 GB Notification: Performance of prepare preOptimizeDAE: time 6.743e-05/1.769, allocations: 8.031 kB / 1.309 GB, free: 1.16 MB / 0.823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02241/1.791, allocations: 2.123 MB / 1.311 GB, free: 15.03 MB / 0.8386 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007873/1.799, allocations: 2.217 MB / 1.313 GB, free: 12.77 MB / 0.8386 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003278/1.799, allocations: 272.2 kB / 1.313 GB, free: 12.5 MB / 0.8386 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001518/1.801, allocations: 347.9 kB / 1.314 GB, free: 12.16 MB / 0.8386 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02365/1.825, allocations: 6.506 MB / 1.32 GB, free: 5.551 MB / 0.8386 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001171/1.825, allocations: 4 kB / 1.32 GB, free: 5.547 MB / 0.8386 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007007/1.826, allocations: 144 kB / 1.32 GB, free: 5.406 MB / 0.8386 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0008798/1.826, allocations: 302 kB / 1.321 GB, free: 5.109 MB / 0.8386 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02804/1.854, allocations: 6.392 MB / 1.327 GB, free: 14.71 MB / 0.8542 GB Warning: The model contains alias variables with redundant start and/or conflicting 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 0.05796/1.912, allocations: 26.68 MB / 1.353 GB, free: 1.844 MB / 0.8698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.02293/1.935, allocations: 5.009 MB / 1.358 GB, free: 12.54 MB / 0.8855 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0109/1.946, allocations: 2.534 MB / 1.36 GB, free: 9.98 MB / 0.8855 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004262/1.947, allocations: 135 kB / 1.36 GB, free: 9.828 MB / 0.8855 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.891e-05/1.947, allocations: 60.5 kB / 1.36 GB, free: 9.762 MB / 0.8855 GB Notification: Performance of pre-optimization done (n=208): time 5.38e-06/1.947, allocations: 0 / 1.36 GB, free: 9.762 MB / 0.8855 GB Notification: Performance of matching and sorting (n=277): time 0.2259/2.173, allocations: 30.94 MB / 1.391 GB, free: 10.71 MB / 0.9167 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001636/2.173, allocations: 239.6 kB / 1.391 GB, free: 10.42 MB / 0.9167 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003261/2.176, allocations: 1.419 MB / 1.392 GB, free: 8.992 MB / 0.9167 GB Notification: Performance of collectPreVariables (initialization): time 0.0007731/2.177, allocations: 65.7 kB / 1.392 GB, free: 8.922 MB / 0.9167 GB Notification: Performance of collectInitialEqns (initialization): time 0.001623/2.179, allocations: 1.489 MB / 1.394 GB, free: 7.41 MB / 0.9167 GB Notification: Performance of collectInitialBindings (initialization): time 0.001793/2.181, allocations: 0.9318 MB / 1.395 GB, free: 6.465 MB / 0.9167 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004731/2.181, allocations: 68 kB / 1.395 GB, free: 6.398 MB / 0.9167 GB Notification: Performance of setup shared object (initialization): time 0.0003347/2.182, allocations: 448.7 kB / 1.395 GB, free: 5.953 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01115/2.193, allocations: 2.617 MB / 1.398 GB, free: 3.332 MB / 0.9167 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01261/2.205, allocations: 3.527 MB / 1.401 GB, free: 15.42 MB / 0.9323 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02434/2.23, allocations: 6.343 MB / 1.407 GB, free: 8.66 MB / 0.9323 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.124e-05/2.23, allocations: 8 kB / 1.407 GB, free: 8.652 MB / 0.9323 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04622/2.276, allocations: 9.558 MB / 1.417 GB, free: 15.03 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 0.0008739/2.277, allocations: 0.8803 MB / 1.418 GB, free: 13.77 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.163e-05/2.277, allocations: 28 kB / 1.418 GB, free: 13.74 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.05769/2.335, allocations: 7.535 MB / 1.425 GB, free: 6.188 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007649/2.343, allocations: 0.8735 MB / 1.426 GB, free: 5.312 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.7163/3.059, allocations: 15.28 MB / 1.441 GB, free: 264 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007855/3.067, allocations: 0.556 MB / 1.441 GB, free: 264 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001071/3.068, allocations: 191.7 kB / 1.441 GB, free: 264 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 1.374e-05/3.068, allocations: 4 kB / 1.441 GB, free: 264 MB / 0.948 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 0.01355/3.082, allocations: 3.144 MB / 1.445 GB, free: 264 MB / 0.948 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated