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 8.1.1-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 8.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.1-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 8.1.1-maint.8.1.x/package.mo): time 1.861/1.861, allocations: 293 MB / 309 MB, free: 4.793 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.00121/0.00121, allocations: 180.6 kB / 378.7 MB, free: 1.027 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.776/1.776, allocations: 205.4 MB / 0.6383 GB, free: 8.223 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007969/0.0007971, allocations: 99.11 kB / 0.7527 GB, free: 62.61 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0003695/0.0003695, allocations: 12 kB / 0.8768 GB, free: 10.42 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2496/0.25, allocations: 116.4 MB / 0.9905 GB, free: 5.867 MB / 0.7136 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.6314/0.8814, allocations: 201.3 MB / 1.187 GB, free: 12.09 MB / 0.7605 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003419/0.8818, allocations: 117.5 kB / 1.187 GB, free: 11.98 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 0.3504/1.232, allocations: 139 MB / 1.323 GB, free: 15.76 MB / 0.9011 GB Notification: Performance of FrontEnd: time 3.306e-06/1.232, allocations: 0 / 1.323 GB, free: 15.76 MB / 0.9011 GB Notification: Performance of Transformations before backend: time 0.0002156/1.233, allocations: 71.98 kB / 1.323 GB, free: 15.69 MB / 0.9011 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 0.01107/1.244, allocations: 3.085 MB / 1.326 GB, free: 12.55 MB / 0.9011 GB Notification: Performance of prepare preOptimizeDAE: time 5.352e-05/1.244, allocations: 8.031 kB / 1.326 GB, free: 12.54 MB / 0.9011 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01336/1.257, allocations: 2.236 MB / 1.328 GB, free: 10.3 MB / 0.9011 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006348/1.263, allocations: 2.222 MB / 1.33 GB, free: 8.031 MB / 0.9011 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003599/1.264, allocations: 271.1 kB / 1.331 GB, free: 7.766 MB / 0.9011 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001779/1.266, allocations: 344 kB / 1.331 GB, free: 7.43 MB / 0.9011 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01802/1.284, allocations: 6.57 MB / 1.337 GB, free: 0.7578 MB / 0.9011 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001425/1.284, allocations: 0 / 1.337 GB, free: 0.7578 MB / 0.9011 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001121/1.285, allocations: 152 kB / 1.338 GB, free: 0.6094 MB / 0.9011 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005575/1.286, allocations: 302.1 kB / 1.338 GB, free: 320 kB / 0.9011 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01709/1.303, allocations: 6.443 MB / 1.344 GB, free: 9.852 MB / 0.9167 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 0.4826/1.785, allocations: 26.8 MB / 1.37 GB, free: 187.6 MB / 0.9323 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007973/1.793, allocations: 4.986 MB / 1.375 GB, free: 186.1 MB / 0.9323 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005095/1.798, allocations: 2.533 MB / 1.378 GB, free: 186 MB / 0.9323 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002673/1.799, allocations: 135.6 kB / 1.378 GB, free: 185.9 MB / 0.9323 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.396e-05/1.799, allocations: 59.78 kB / 1.378 GB, free: 185.9 MB / 0.9323 GB Notification: Performance of pre-optimization done (n=208): time 4.769e-06/1.799, allocations: 2.938 kB / 1.378 GB, free: 185.9 MB / 0.9323 GB Notification: Performance of matching and sorting (n=277): time 0.1002/1.899, allocations: 30.67 MB / 1.408 GB, free: 183.1 MB / 0.9323 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.396e-05/1.899, allocations: 240.8 kB / 1.408 GB, free: 182.9 MB / 0.9323 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002088/1.901, allocations: 1.464 MB / 1.409 GB, free: 182.7 MB / 0.9323 GB Notification: Performance of collectPreVariables (initialization): time 0.0005983/1.902, allocations: 68.61 kB / 1.41 GB, free: 182.7 MB / 0.9323 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008114/1.903, allocations: 1.503 MB / 1.411 GB, free: 182 MB / 0.9323 GB Notification: Performance of collectInitialBindings (initialization): time 0.001045/1.904, allocations: 0.9442 MB / 1.412 GB, free: 181.5 MB / 0.9323 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002373/1.904, allocations: 66.12 kB / 1.412 GB, free: 181.5 MB / 0.9323 GB Notification: Performance of setup shared object (initialization): time 0.00017/1.904, allocations: 442.7 kB / 1.412 GB, free: 181.2 MB / 0.9323 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004879/1.909, allocations: 2.6 MB / 1.415 GB, free: 181.1 MB / 0.9323 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00523/1.914, allocations: 3.523 MB / 1.418 GB, free: 180.1 MB / 0.9323 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01087/1.925, allocations: 6.32 MB / 1.425 GB, free: 179 MB / 0.9323 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.03e-05/1.925, allocations: 10.66 kB / 1.425 GB, free: 179 MB / 0.9323 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.02063/1.946, allocations: 9.504 MB / 1.434 GB, free: 178.7 MB / 0.9323 GB Notification: Performance of prepare postOptimizeDAE: time 0.0004584/1.946, allocations: 0.8813 MB / 1.435 GB, free: 177.6 MB / 0.9323 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.467e-05/1.946, allocations: 28.33 kB / 1.435 GB, free: 177.6 MB / 0.9323 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02287/1.969, allocations: 6.746 MB / 1.441 GB, free: 177.4 MB / 0.9323 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003878/1.973, allocations: 0.8754 MB / 1.442 GB, free: 177.4 MB / 0.9323 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0239/1.997, allocations: 15.22 MB / 1.457 GB, free: 175.4 MB / 0.9323 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004746/2.002, allocations: 0.5573 MB / 1.458 GB, free: 175.4 MB / 0.9323 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001194/2.003, allocations: 176.7 kB / 1.458 GB, free: 175.4 MB / 0.9323 GB Notification: Performance of prepare postOptimizeDAE: time 1.476e-05/2.003, allocations: 3 kB / 1.458 GB, free: 175.4 MB / 0.9323 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 0.008468/2.012, allocations: 3.126 MB / 1.461 GB, free: 175.3 MB / 0.9323 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated