Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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_maint.7.0.x_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_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.287/1.287, allocations: 252 MB / 267.9 MB, free: 10.92 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0009968/0.0009972, allocations: 183.5 kB / 327.6 MB, free: 2.168 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.576/1.576, allocations: 205.4 MB / 0.5785 GB, free: 20.22 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009102/0.0009102, allocations: 86.53 kB / 0.6831 GB, free: 12.86 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0003829/0.0003829, allocations: 13.84 kB / 0.7974 GB, free: 135.2 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1938/0.1942, allocations: 106.3 MB / 0.9013 GB, free: 63.7 MB / 0.6042 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.6364/0.8306, allocations: 194 MB / 1.091 GB, free: 62.12 MB / 0.698 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002978/0.8309, allocations: 119 kB / 1.091 GB, free: 62.12 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 0.2984/1.129, allocations: 139 MB / 1.227 GB, free: 3.555 MB / 0.7136 GB Notification: Performance of FrontEnd: time 2.124e-06/1.129, allocations: 0 / 1.227 GB, free: 3.555 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 0.0002152/1.13, allocations: 75.98 kB / 1.227 GB, free: 3.48 MB / 0.7136 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 0.01119/1.141, allocations: 3.085 MB / 1.23 GB, free: 344 kB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 5.786e-05/1.141, allocations: 12.03 kB / 1.23 GB, free: 332 kB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0129/1.154, allocations: 2.232 MB / 1.232 GB, free: 14.09 MB / 0.7292 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005691/1.16, allocations: 2.218 MB / 1.234 GB, free: 11.82 MB / 0.7292 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002966/1.16, allocations: 271.1 kB / 1.234 GB, free: 11.56 MB / 0.7292 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00182/1.162, allocations: 351.9 kB / 1.235 GB, free: 11.21 MB / 0.7292 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01873/1.18, allocations: 6.57 MB / 1.241 GB, free: 4.547 MB / 0.7292 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001726/1.181, allocations: 7.938 kB / 1.241 GB, free: 4.539 MB / 0.7292 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001415/1.182, allocations: 148 kB / 1.241 GB, free: 4.395 MB / 0.7292 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005864/1.183, allocations: 310.1 kB / 1.241 GB, free: 4.09 MB / 0.7292 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01623/1.199, allocations: 6.435 MB / 1.248 GB, free: 13.64 MB / 0.7448 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 0.04015/1.239, allocations: 26.81 MB / 1.274 GB, free: 0.6289 MB / 0.7605 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008059/1.247, allocations: 4.988 MB / 1.279 GB, free: 11.33 MB / 0.7761 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005034/1.252, allocations: 2.531 MB / 1.281 GB, free: 8.785 MB / 0.7761 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002437/1.253, allocations: 131 kB / 1.281 GB, free: 8.641 MB / 0.7761 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.714e-05/1.253, allocations: 60.48 kB / 1.281 GB, free: 8.57 MB / 0.7761 GB Notification: Performance of pre-optimization done (n=208): time 3.737e-06/1.253, allocations: 4 kB / 1.281 GB, free: 8.566 MB / 0.7761 GB Notification: Performance of matching and sorting (n=277): time 0.09782/1.35, allocations: 30.67 MB / 1.311 GB, free: 9.777 MB / 0.8073 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001514/1.351, allocations: 243.6 kB / 1.312 GB, free: 9.488 MB / 0.8073 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002698/1.353, allocations: 1.465 MB / 1.313 GB, free: 8.016 MB / 0.8073 GB Notification: Performance of collectPreVariables (initialization): time 0.0006599/1.354, allocations: 73.7 kB / 1.313 GB, free: 7.938 MB / 0.8073 GB Notification: Performance of collectInitialEqns (initialization): time 0.001098/1.355, allocations: 1.501 MB / 1.315 GB, free: 6.414 MB / 0.8073 GB Notification: Performance of collectInitialBindings (initialization): time 0.001536/1.357, allocations: 0.9357 MB / 1.316 GB, free: 5.465 MB / 0.8073 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007664/1.357, allocations: 64 kB / 1.316 GB, free: 5.402 MB / 0.8073 GB Notification: Performance of setup shared object (initialization): time 0.0004873/1.358, allocations: 444.8 kB / 1.316 GB, free: 4.961 MB / 0.8073 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006249/1.364, allocations: 2.61 MB / 1.319 GB, free: 2.348 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006372/1.371, allocations: 3.516 MB / 1.322 GB, free: 14.45 MB / 0.823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01156/1.382, allocations: 6.323 MB / 1.328 GB, free: 7.707 MB / 0.823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.769e-05/1.382, allocations: 8 kB / 1.328 GB, free: 7.699 MB / 0.823 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.02238/1.405, allocations: 9.504 MB / 1.337 GB, free: 14.13 MB / 0.8386 GB Notification: Performance of prepare postOptimizeDAE: time 0.0007975/1.405, allocations: 0.8932 MB / 1.338 GB, free: 12.86 MB / 0.8386 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.208e-05/1.406, allocations: 28 kB / 1.338 GB, free: 12.83 MB / 0.8386 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02503/1.431, allocations: 6.743 MB / 1.345 GB, free: 6.07 MB / 0.8386 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004052/1.435, allocations: 0.8736 MB / 1.346 GB, free: 5.195 MB / 0.8386 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02634/1.461, allocations: 15.24 MB / 1.361 GB, free: 5.789 MB / 0.8542 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00434/1.465, allocations: 0.5533 MB / 1.361 GB, free: 5.234 MB / 0.8542 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008494/1.466, allocations: 175.9 kB / 1.361 GB, free: 5.062 MB / 0.8542 GB Notification: Performance of prepare postOptimizeDAE: time 1.225e-05/1.466, allocations: 6.188 kB / 1.361 GB, free: 5.059 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 0.007534/1.474, allocations: 3.129 MB / 1.364 GB, free: 1.902 MB / 0.8542 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated