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.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/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 7.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_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_7.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.136/2.136, allocations: 251.1 MB / 266.7 MB, free: 11.64 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001392/0.001392, allocations: 180.1 kB / 326.2 MB, free: 2.871 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.351/2.351, allocations: 205.4 MB / 0.5772 GB, free: 20.8 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008589/0.0008588, allocations: 96.09 kB / 0.6817 GB, free: 13.64 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0006583/0.0006586, allocations: 10.88 kB / 0.7957 GB, free: 135.7 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2043/0.205, allocations: 106.3 MB / 0.8995 GB, free: 65.53 MB / 0.6042 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9821/1.187, allocations: 193.8 MB / 1.089 GB, free: 54.51 MB / 0.698 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004301/1.188, allocations: 121.1 kB / 1.089 GB, free: 54.51 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 0.5371/1.725, allocations: 139 MB / 1.225 GB, free: 14.55 MB / 0.7292 GB Notification: Performance of FrontEnd: time 3.076e-06/1.725, allocations: 0 / 1.225 GB, free: 14.55 MB / 0.7292 GB Notification: Performance of Transformations before backend: time 0.000239/1.725, allocations: 75.83 kB / 1.225 GB, free: 14.48 MB / 0.7292 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 0.01514/1.74, allocations: 3.123 MB / 1.228 GB, free: 11.31 MB / 0.7292 GB Notification: Performance of prepare preOptimizeDAE: time 5.61e-05/1.74, allocations: 12.03 kB / 1.228 GB, free: 11.3 MB / 0.7292 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02431/1.765, allocations: 2.235 MB / 1.23 GB, free: 9.062 MB / 0.7292 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00848/1.773, allocations: 2.198 MB / 1.232 GB, free: 6.84 MB / 0.7292 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004842/1.774, allocations: 262.8 kB / 1.232 GB, free: 6.59 MB / 0.7292 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002424/1.776, allocations: 351.4 kB / 1.233 GB, free: 6.258 MB / 0.7292 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03244/1.809, allocations: 6.576 MB / 1.239 GB, free: 15.61 MB / 0.7449 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003048/1.809, allocations: 4 kB / 1.239 GB, free: 15.61 MB / 0.7449 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002795/1.812, allocations: 147.1 kB / 1.239 GB, free: 15.48 MB / 0.7449 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.00172/1.814, allocations: 302.1 kB / 1.239 GB, free: 15.18 MB / 0.7449 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.03133/1.845, allocations: 6.443 MB / 1.246 GB, free: 8.723 MB / 0.7449 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 0.0614/1.906, allocations: 26.8 MB / 1.272 GB, free: 11.85 MB / 0.7761 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0166/1.923, allocations: 4.99 MB / 1.277 GB, free: 6.551 MB / 0.7761 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01128/1.934, allocations: 2.534 MB / 1.279 GB, free: 4.004 MB / 0.7761 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000506/1.935, allocations: 136.4 kB / 1.279 GB, free: 3.863 MB / 0.7761 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 7.239e-05/1.935, allocations: 60.56 kB / 1.279 GB, free: 3.793 MB / 0.7761 GB Notification: Performance of pre-optimization done (n=208): time 5.34e-06/1.935, allocations: 0 / 1.279 GB, free: 3.793 MB / 0.7761 GB Notification: Performance of matching and sorting (n=277): time 0.2463/2.181, allocations: 30.68 MB / 1.309 GB, free: 5.043 MB / 0.8074 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001633/2.182, allocations: 231.6 kB / 1.31 GB, free: 4.766 MB / 0.8074 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0035/2.185, allocations: 1.469 MB / 1.311 GB, free: 3.289 MB / 0.8074 GB Notification: Performance of collectPreVariables (initialization): time 0.0007705/2.186, allocations: 73.7 kB / 1.311 GB, free: 3.211 MB / 0.8074 GB Notification: Performance of collectInitialEqns (initialization): time 0.001574/2.188, allocations: 1.504 MB / 1.313 GB, free: 1.695 MB / 0.8074 GB Notification: Performance of collectInitialBindings (initialization): time 0.001796/2.189, allocations: 0.9378 MB / 1.314 GB, free: 0.7656 MB / 0.8074 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005067/2.19, allocations: 68 kB / 1.314 GB, free: 0.6992 MB / 0.8074 GB Notification: Performance of setup shared object (initialization): time 0.0003629/2.19, allocations: 440.8 kB / 1.314 GB, free: 268 kB / 0.8074 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01124/2.202, allocations: 2.606 MB / 1.317 GB, free: 13.65 MB / 0.823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01262/2.214, allocations: 3.52 MB / 1.32 GB, free: 9.746 MB / 0.823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01273/2.227, allocations: 3.049 MB / 1.323 GB, free: 6.676 MB / 0.823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.522e-05/2.227, allocations: 8 kB / 1.323 GB, free: 6.668 MB / 0.823 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04623/2.273, allocations: 9.508 MB / 1.332 GB, free: 13.1 MB / 0.8386 GB Notification: Performance of prepare postOptimizeDAE: time 0.0009407/2.274, allocations: 0.8927 MB / 1.333 GB, free: 11.82 MB / 0.8386 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.649e-05/2.274, allocations: 28 kB / 1.333 GB, free: 11.8 MB / 0.8386 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.05104/2.325, allocations: 6.735 MB / 1.34 GB, free: 5.047 MB / 0.8386 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007897/2.333, allocations: 0.8774 MB / 1.341 GB, free: 4.168 MB / 0.8386 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04718/2.381, allocations: 15.23 MB / 1.356 GB, free: 4.773 MB / 0.8542 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.008011/2.389, allocations: 0.5495 MB / 1.356 GB, free: 4.223 MB / 0.8542 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001116/2.39, allocations: 179.9 kB / 1.356 GB, free: 4.047 MB / 0.8542 GB Notification: Performance of prepare postOptimizeDAE: time 1.651e-05/2.39, allocations: 10.12 kB / 1.356 GB, free: 4.039 MB / 0.8542 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 0.01343/2.403, allocations: 3.125 MB / 1.359 GB, free: 0.8867 MB / 0.8542 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated