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.BalancedStepUp.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.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8.0.0_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 2.502/2.502, allocations: 287.5 MB / 303.2 MB, free: 8.367 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001365/0.001364, allocations: 182.5 kB / 371.8 MB, free: 10.83 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.042/2.042, 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 0.0009795/0.000979, allocations: 96.19 kB / 0.7438 GB, free: 6.543 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004759/0.0004758, allocations: 11.47 kB / 0.8667 GB, free: 141.1 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2238/0.2243, allocations: 115.3 MB / 0.9793 GB, free: 28.18 MB / 0.6198 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9725/1.197, allocations: 199.4 MB / 1.174 GB, free: 0.5586 MB / 0.698 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004324/1.197, allocations: 123 kB / 1.174 GB, free: 496 kB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 0.5462/1.743, allocations: 135 MB / 1.306 GB, free: 4.348 MB / 0.823 GB Notification: Performance of FrontEnd: time 2.786e-06/1.744, allocations: 0 / 1.306 GB, free: 4.348 MB / 0.823 GB Notification: Performance of Transformations before backend: time 0.0002268/1.744, allocations: 72 kB / 1.306 GB, free: 4.277 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 0.01378/1.758, allocations: 3.05 MB / 1.309 GB, free: 1.168 MB / 0.823 GB Notification: Performance of prepare preOptimizeDAE: time 4.717e-05/1.758, allocations: 11.97 kB / 1.309 GB, free: 1.156 MB / 0.823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02204/1.78, allocations: 2.123 MB / 1.311 GB, free: 15.03 MB / 0.8386 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007553/1.787, allocations: 2.213 MB / 1.313 GB, free: 12.77 MB / 0.8386 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003708/1.788, allocations: 272.2 kB / 1.314 GB, free: 12.5 MB / 0.8386 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00178/1.79, allocations: 343.9 kB / 1.314 GB, free: 12.16 MB / 0.8386 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02514/1.815, allocations: 6.502 MB / 1.32 GB, free: 5.559 MB / 0.8386 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001536/1.815, allocations: 11.94 kB / 1.32 GB, free: 5.547 MB / 0.8386 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001404/1.816, allocations: 152 kB / 1.32 GB, free: 5.398 MB / 0.8386 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0009088/1.817, allocations: 298 kB / 1.321 GB, free: 5.105 MB / 0.8386 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02745/1.845, allocations: 6.396 MB / 1.327 GB, free: 14.7 MB / 0.8542 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.05667/1.901, allocations: 26.67 MB / 1.353 GB, free: 1.844 MB / 0.8698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.01526/1.917, allocations: 5.005 MB / 1.358 GB, free: 12.54 MB / 0.8855 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.01057/1.927, allocations: 2.534 MB / 1.36 GB, free: 9.988 MB / 0.8855 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0004324/1.928, allocations: 139 kB / 1.36 GB, free: 9.832 MB / 0.8855 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.8e-05/1.928, allocations: 60.5 kB / 1.36 GB, free: 9.766 MB / 0.8855 GB Notification: Performance of pre-optimization done (n=208): time 7.154e-06/1.928, allocations: 0 / 1.36 GB, free: 9.766 MB / 0.8855 GB Notification: Performance of matching and sorting (n=277): time 0.2116/2.14, allocations: 30.95 MB / 1.391 GB, free: 10.7 MB / 0.9167 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001462/2.14, allocations: 235.6 kB / 1.391 GB, free: 10.41 MB / 0.9167 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003552/2.143, allocations: 1.419 MB / 1.392 GB, free: 8.984 MB / 0.9167 GB Notification: Performance of collectPreVariables (initialization): time 0.000858/2.144, allocations: 73.7 kB / 1.392 GB, free: 8.906 MB / 0.9167 GB Notification: Performance of collectInitialEqns (initialization): time 0.001746/2.146, allocations: 1.482 MB / 1.394 GB, free: 7.402 MB / 0.9167 GB Notification: Performance of collectInitialBindings (initialization): time 0.002023/2.148, allocations: 0.9435 MB / 1.395 GB, free: 6.445 MB / 0.9167 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006872/2.149, allocations: 64 kB / 1.395 GB, free: 6.383 MB / 0.9167 GB Notification: Performance of setup shared object (initialization): time 0.0004352/2.149, allocations: 444.7 kB / 1.395 GB, free: 5.941 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01145/2.161, allocations: 2.617 MB / 1.398 GB, free: 3.32 MB / 0.9167 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.01214/2.173, allocations: 3.531 MB / 1.401 GB, free: 15.4 MB / 0.9323 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02365/2.197, allocations: 6.343 MB / 1.407 GB, free: 8.645 MB / 0.9323 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.498e-05/2.197, allocations: 12 kB / 1.407 GB, free: 8.633 MB / 0.9323 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.04441/2.241, allocations: 9.55 MB / 1.417 GB, free: 15.02 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 0.0007891/2.242, allocations: 0.8868 MB / 1.418 GB, free: 13.75 MB / 0.948 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.844e-05/2.242, allocations: 24 kB / 1.418 GB, free: 13.73 MB / 0.948 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.05644/2.299, allocations: 7.531 MB / 1.425 GB, free: 6.184 MB / 0.948 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007525/2.306, allocations: 0.8696 MB / 1.426 GB, free: 5.312 MB / 0.948 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6988/3.005, allocations: 15.3 MB / 1.441 GB, free: 263.7 MB / 0.948 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00781/3.013, allocations: 0.5527 MB / 1.441 GB, free: 263.7 MB / 0.948 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001217/3.014, allocations: 197.8 kB / 1.442 GB, free: 263.7 MB / 0.948 GB Notification: Performance of prepare postOptimizeDAE: time 1.451e-05/3.014, allocations: 5.062 kB / 1.442 GB, free: 263.7 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 0.01358/3.028, allocations: 3.152 MB / 1.445 GB, free: 263.6 MB / 0.948 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated