Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.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.BalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_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_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo): time 1.82/1.82, allocations: 293 MB / 309 MB, free: 4.84 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009277/0.0009278, allocations: 178.6 kB / 378.7 MB, free: 1.031 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.703/1.703, allocations: 205.4 MB / 0.6383 GB, free: 8.219 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.000843/0.0008431, allocations: 88.16 kB / 0.7527 GB, free: 62.89 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004406/0.0004406, allocations: 16 kB / 0.8768 GB, free: 10.41 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3617/0.3622, allocations: 116.4 MB / 0.9905 GB, free: 5.875 MB / 0.7136 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9969/1.359, allocations: 200.7 MB / 1.186 GB, free: 12.76 MB / 0.7605 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.00038/1.36, allocations: 121.5 kB / 1.187 GB, free: 12.64 MB / 0.7605 GB Notification: Performance of FrontEnd - DAE generated: time 0.3742/1.734, allocations: 134.9 MB / 1.318 GB, free: 4.633 MB / 0.8855 GB Notification: Performance of FrontEnd: time 1.663e-06/1.734, allocations: 0 / 1.318 GB, free: 4.633 MB / 0.8855 GB Notification: Performance of Transformations before backend: time 0.0002163/1.734, allocations: 80 kB / 1.318 GB, free: 4.555 MB / 0.8855 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 0.01331/1.747, allocations: 3.057 MB / 1.321 GB, free: 1.438 MB / 0.8855 GB Notification: Performance of prepare preOptimizeDAE: time 7.101e-05/1.748, allocations: 16.03 kB / 1.321 GB, free: 1.422 MB / 0.8855 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01344/1.761, allocations: 2.123 MB / 1.323 GB, free: 15.29 MB / 0.9011 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006688/1.768, allocations: 2.213 MB / 1.326 GB, free: 13.03 MB / 0.9011 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003817/1.768, allocations: 268.2 kB / 1.326 GB, free: 12.77 MB / 0.9011 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002351/1.771, allocations: 344 kB / 1.326 GB, free: 12.43 MB / 0.9011 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02113/1.792, allocations: 6.514 MB / 1.333 GB, free: 5.816 MB / 0.9011 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001828/1.792, allocations: 7.938 kB / 1.333 GB, free: 5.809 MB / 0.9011 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001575/1.794, allocations: 144 kB / 1.333 GB, free: 5.668 MB / 0.9011 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006473/1.794, allocations: 302 kB / 1.333 GB, free: 5.371 MB / 0.9011 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01772/1.812, allocations: 6.392 MB / 1.339 GB, free: 14.96 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 0.0445/1.857, allocations: 26.68 MB / 1.365 GB, free: 2.117 MB / 0.9323 GB Notification: Performance of preOpt comSubExp (simulation): time 0.7566/2.613, allocations: 4.992 MB / 1.37 GB, free: 192.5 MB / 0.9323 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005465/2.619, allocations: 2.542 MB / 1.373 GB, free: 192.4 MB / 0.9323 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002638/2.619, allocations: 138.6 kB / 1.373 GB, free: 192.3 MB / 0.9323 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.937e-05/2.619, allocations: 56.41 kB / 1.373 GB, free: 192.3 MB / 0.9323 GB Notification: Performance of pre-optimization done (n=208): time 4.939e-06/2.619, allocations: 0 / 1.373 GB, free: 192.3 MB / 0.9323 GB Notification: Performance of matching and sorting (n=277): time 0.102/2.721, allocations: 30.92 MB / 1.403 GB, free: 189.6 MB / 0.9323 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001023/2.721, allocations: 240.8 kB / 1.403 GB, free: 189.4 MB / 0.9323 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002273/2.723, allocations: 1.424 MB / 1.405 GB, free: 189.2 MB / 0.9323 GB Notification: Performance of collectPreVariables (initialization): time 0.0006822/2.724, allocations: 73.95 kB / 1.405 GB, free: 189.2 MB / 0.9323 GB Notification: Performance of collectInitialEqns (initialization): time 0.001045/2.725, allocations: 1.483 MB / 1.406 GB, free: 188.5 MB / 0.9323 GB Notification: Performance of collectInitialBindings (initialization): time 0.001235/2.726, allocations: 0.9412 MB / 1.407 GB, free: 188 MB / 0.9323 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002477/2.727, allocations: 62.12 kB / 1.407 GB, free: 188 MB / 0.9323 GB Notification: Performance of setup shared object (initialization): time 0.000214/2.727, allocations: 449.4 kB / 1.408 GB, free: 187.6 MB / 0.9323 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005302/2.732, allocations: 2.613 MB / 1.41 GB, free: 187.6 MB / 0.9323 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006046/2.738, allocations: 3.53 MB / 1.414 GB, free: 186.6 MB / 0.9323 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01179/2.75, allocations: 6.345 MB / 1.42 GB, free: 185.5 MB / 0.9323 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.657e-05/2.75, allocations: 9.188 kB / 1.42 GB, free: 185.5 MB / 0.9323 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.02244/2.773, allocations: 9.556 MB / 1.429 GB, free: 185.2 MB / 0.9323 GB Notification: Performance of prepare postOptimizeDAE: time 0.0007168/2.773, allocations: 0.88 MB / 1.43 GB, free: 184.1 MB / 0.9323 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.482e-05/2.774, allocations: 26.81 kB / 1.43 GB, free: 184.1 MB / 0.9323 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02714/2.801, allocations: 7.545 MB / 1.437 GB, free: 184 MB / 0.9323 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004059/2.805, allocations: 0.8717 MB / 1.438 GB, free: 184 MB / 0.9323 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02762/2.832, allocations: 15.27 MB / 1.453 GB, free: 181.9 MB / 0.9323 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00518/2.838, allocations: 0.5548 MB / 1.454 GB, free: 181.9 MB / 0.9323 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001075/2.839, allocations: 194 kB / 1.454 GB, free: 181.9 MB / 0.9323 GB Notification: Performance of prepare postOptimizeDAE: time 1.462e-05/2.839, allocations: 2.781 kB / 1.454 GB, free: 181.9 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 0.008984/2.848, allocations: 3.142 MB / 1.457 GB, free: 181.8 MB / 0.9323 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated