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 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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,fileNamePrefix="Buildings_7_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YD",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.219/2.219, allocations: 248.5 MB / 261 MB, free: 6.039 MB / 202.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001443/0.001443, allocations: 190.5 kB / 320.4 MB, free: 15.32 MB / 266.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.046/2.046, allocations: 205.2 MB / 0.571 GB, free: 11.74 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001102/0.001102, allocations: 92.67 kB / 0.6754 GB, free: 0.8086 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 3.633e-05/3.651e-05, allocations: 8 kB / 0.787 GB, free: 97.75 MB / 0.5417 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1942/0.1943, allocations: 106.2 MB / 0.8907 GB, free: 7.395 MB / 0.5573 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.9963/1.191, allocations: 193.7 MB / 1.08 GB, free: 8.09 MB / 0.698 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004249/1.191, allocations: 119.8 kB / 1.08 GB, free: 8.016 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 0.5885/1.78, allocations: 138.6 MB / 1.215 GB, free: 2.805 MB / 0.823 GB Notification: Performance of FrontEnd: time 2.074e-06/1.78, allocations: 0 / 1.215 GB, free: 2.805 MB / 0.823 GB Notification: Performance of Transformations before backend: time 0.0002139/1.78, allocations: 72 kB / 1.215 GB, free: 2.734 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.01359/1.794, allocations: 2.957 MB / 1.218 GB, free: 15.72 MB / 0.8386 GB Notification: Performance of prepare preOptimizeDAE: time 5.741e-05/1.794, allocations: 8.031 kB / 1.218 GB, free: 15.71 MB / 0.8386 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002763/1.796, allocations: 0.5502 MB / 1.219 GB, free: 15.16 MB / 0.8386 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.02404/1.821, allocations: 2.223 MB / 1.221 GB, free: 12.93 MB / 0.8386 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.008178/1.829, allocations: 2.185 MB / 1.223 GB, free: 10.69 MB / 0.8386 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004109/1.829, allocations: 267.1 kB / 1.223 GB, free: 10.43 MB / 0.8386 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002096/1.831, allocations: 355.9 kB / 1.224 GB, free: 10.08 MB / 0.8386 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02779/1.859, allocations: 6.009 MB / 1.23 GB, free: 3.977 MB / 0.8386 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001612/1.859, allocations: 7.938 kB / 1.23 GB, free: 3.969 MB / 0.8386 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001673/1.861, allocations: 151.9 kB / 1.23 GB, free: 3.82 MB / 0.8386 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001015/1.862, allocations: 310 kB / 1.23 GB, free: 3.516 MB / 0.8386 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01941/1.882, allocations: 5.426 MB / 1.235 GB, free: 14.08 MB / 0.8542 GB Warning: The model contains alias variables with conflicting start and/or 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 0.06151/1.943, allocations: 26.79 MB / 1.262 GB, free: 1.082 MB / 0.8698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.6517/2.595, allocations: 4.486 MB / 1.266 GB, free: 236 MB / 0.8698 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.006104/2.601, allocations: 2.042 MB / 1.268 GB, free: 236 MB / 0.8698 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005011/2.602, allocations: 138.9 kB / 1.268 GB, free: 235.9 MB / 0.8698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.917e-05/2.602, allocations: 60.61 kB / 1.268 GB, free: 235.8 MB / 0.8698 GB Notification: Performance of pre-optimization done (n=208): time 5.982e-06/2.602, allocations: 0 / 1.268 GB, free: 235.8 MB / 0.8698 GB Notification: Performance of matching and sorting (n=277): time 0.1778/2.78, allocations: 25.58 MB / 1.293 GB, free: 233.5 MB / 0.8698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001158/2.78, allocations: 237.4 kB / 1.293 GB, free: 233.2 MB / 0.8698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003149/2.783, allocations: 1.296 MB / 1.295 GB, free: 233.1 MB / 0.8698 GB Notification: Performance of collectPreVariables (initialization): time 0.00077/2.784, allocations: 77.56 kB / 1.295 GB, free: 233 MB / 0.8698 GB Notification: Performance of collectInitialEqns (initialization): time 0.00134/2.785, allocations: 1.502 MB / 1.296 GB, free: 232.4 MB / 0.8698 GB Notification: Performance of collectInitialBindings (initialization): time 0.001781/2.787, allocations: 0.937 MB / 1.297 GB, free: 231.9 MB / 0.8698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005384/2.787, allocations: 66.44 kB / 1.297 GB, free: 231.9 MB / 0.8698 GB Notification: Performance of setup shared object (initialization): time 0.0003402/2.788, allocations: 447.2 kB / 1.297 GB, free: 231.5 MB / 0.8698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00627/2.794, allocations: 2.107 MB / 1.3 GB, free: 231.5 MB / 0.8698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006711/2.801, allocations: 3.01 MB / 1.302 GB, free: 230.5 MB / 0.8698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007431/2.808, allocations: 2.578 MB / 1.305 GB, free: 230.5 MB / 0.8698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.427e-05/2.808, allocations: 3.938 kB / 1.305 GB, free: 230.5 MB / 0.8698 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.02828/2.837, allocations: 8.065 MB / 1.313 GB, free: 230.1 MB / 0.8698 GB Notification: Performance of prepare postOptimizeDAE: time 0.002617/2.839, allocations: 10.63 MB / 1.323 GB, free: 219 MB / 0.8698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.18e-05/2.84, allocations: 27.94 kB / 1.323 GB, free: 219 MB / 0.8698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.03611/2.876, allocations: 5.726 MB / 1.329 GB, free: 218.8 MB / 0.8698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.007481/2.883, allocations: 0.8757 MB / 1.33 GB, free: 218.8 MB / 0.8698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03716/2.92, allocations: 14.58 MB / 1.344 GB, free: 215.1 MB / 0.8698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007725/2.928, allocations: 0.5438 MB / 1.345 GB, free: 215 MB / 0.8698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001085/2.929, allocations: 170.6 kB / 1.345 GB, free: 215 MB / 0.8698 GB Notification: Performance of prepare postOptimizeDAE: time 1.533e-05/2.929, allocations: 6.562 kB / 1.345 GB, free: 215 MB / 0.8698 GB Error: Internal error IndexReduction.pantelidesIndexReduction failed! System is structurally singulare and cannot handled because number of unassigned equations is larger than number of states. Use -d=bltdump to get more information. Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.008138/2.938, allocations: 2.635 MB / 1.347 GB, free: 214.1 MB / 0.8698 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated