Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package Buildings with version 9.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_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_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YD") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 1.578/1.578, allocations: 297.8 MB / 313.7 MB, free: 148 kB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009378/0.000938, allocations: 190.7 kB / 384.6 MB, free: 10.86 MB / 314.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.259/1.259, allocations: 223.2 MB / 0.6626 GB, free: 4.344 MB / 490.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007716/0.0007716, allocations: 97.98 kB / 0.7808 GB, free: 43.57 MB / 0.5417 GB Notification: Performance of FrontEnd - loaded program: time 0.0004149/0.0004149, allocations: 12.75 kB / 0.9088 GB, free: 0.6641 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.5419/0.5423, allocations: 120.3 MB / 1.026 GB, free: 56.59 MB / 0.698 GB Notification: Performance of FrontEnd - scodeFlatten: time 0.2219/0.7643, allocations: 203.8 MB / 1.225 GB, free: 2.309 MB / 0.7917 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003596/0.7647, allocations: 122 kB / 1.225 GB, free: 2.191 MB / 0.7917 GB Notification: Performance of FrontEnd - DAE generated: time 0.8014/1.566, allocations: 146.5 MB / 1.369 GB, free: 179.4 MB / 0.8855 GB Notification: Performance of FrontEnd: time 2.815e-06/1.566, allocations: 0 / 1.369 GB, free: 179.4 MB / 0.8855 GB Notification: Performance of Transformations before backend: time 0.0001161/1.566, allocations: 76.69 kB / 1.369 GB, free: 179.4 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: 994 * Number of variables: 994 Notification: Performance of Generate backend data structure: time 0.006159/1.572, allocations: 3.088 MB / 1.372 GB, free: 178 MB / 0.8855 GB Notification: Performance of prepare preOptimizeDAE: time 4.165e-05/1.572, allocations: 10.59 kB / 1.372 GB, free: 178 MB / 0.8855 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01221/1.585, allocations: 2.226 MB / 1.374 GB, free: 177.8 MB / 0.8855 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004615/1.589, allocations: 2.225 MB / 1.376 GB, free: 177.3 MB / 0.8855 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001698/1.59, allocations: 265 kB / 1.376 GB, free: 177.3 MB / 0.8855 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007035/1.59, allocations: 353.1 kB / 1.377 GB, free: 177.3 MB / 0.8855 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01593/1.606, allocations: 6.571 MB / 1.383 GB, free: 175.1 MB / 0.8855 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.035e-05/1.606, allocations: 2.219 kB / 1.383 GB, free: 175.1 MB / 0.8855 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004492/1.607, allocations: 150.2 kB / 1.383 GB, free: 175 MB / 0.8855 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005685/1.607, allocations: 313.1 kB / 1.383 GB, free: 175 MB / 0.8855 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01554/1.623, allocations: 6.437 MB / 1.39 GB, free: 173 MB / 0.8855 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 0.04239/1.665, allocations: 26.81 MB / 1.416 GB, free: 153.7 MB / 0.8855 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008831/1.674, allocations: 4.985 MB / 1.421 GB, free: 151 MB / 0.8855 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005494/1.68, allocations: 2.537 MB / 1.423 GB, free: 150.2 MB / 0.8855 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000292/1.68, allocations: 130.7 kB / 1.423 GB, free: 150.1 MB / 0.8855 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.422e-05/1.68, allocations: 60.12 kB / 1.423 GB, free: 150.1 MB / 0.8855 GB Notification: Performance of pre-optimization done (n=208): time 6.542e-06/1.68, allocations: 7.938 kB / 1.423 GB, free: 150.1 MB / 0.8855 GB Notification: Performance of matching and sorting (n=277): time 0.09577/1.776, allocations: 30.67 MB / 1.453 GB, free: 143.1 MB / 0.8855 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.478e-05/1.776, allocations: 237.1 kB / 1.454 GB, free: 142.8 MB / 0.8855 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002383/1.778, allocations: 1.471 MB / 1.455 GB, free: 142.2 MB / 0.8855 GB Notification: Performance of collectPreVariables (initialization): time 0.0006136/1.779, allocations: 72.73 kB / 1.455 GB, free: 142.2 MB / 0.8855 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007865/1.78, allocations: 1.496 MB / 1.457 GB, free: 141 MB / 0.8855 GB Notification: Performance of collectInitialBindings (initialization): time 0.001133/1.781, allocations: 0.9376 MB / 1.458 GB, free: 140.3 MB / 0.8855 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005049/1.782, allocations: 66.47 kB / 1.458 GB, free: 140.3 MB / 0.8855 GB Notification: Performance of setup shared object (initialization): time 0.000251/1.782, allocations: 440 kB / 1.458 GB, free: 139.9 MB / 0.8855 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005194/1.787, allocations: 2.606 MB / 1.461 GB, free: 139.1 MB / 0.8855 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005819/1.793, allocations: 3.52 MB / 1.464 GB, free: 137.3 MB / 0.8855 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01188/1.805, allocations: 6.328 MB / 1.47 GB, free: 134.3 MB / 0.8855 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.381e-05/1.805, allocations: 10.78 kB / 1.47 GB, free: 134.3 MB / 0.8855 GB Notification: Performance of matching and sorting (n=416) (initialization): time 0.0212/1.826, allocations: 9.5 MB / 1.479 GB, free: 128.9 MB / 0.8855 GB Notification: Performance of prepare postOptimizeDAE: time 0.000552/1.827, allocations: 0.89 MB / 1.48 GB, free: 127.6 MB / 0.8855 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.29e-05/1.827, allocations: 28 kB / 1.48 GB, free: 127.6 MB / 0.8855 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02192/1.849, allocations: 6.739 MB / 1.487 GB, free: 122.2 MB / 0.8855 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003692/1.852, allocations: 0.8728 MB / 1.488 GB, free: 121.3 MB / 0.8855 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02043/1.873, allocations: 15.23 MB / 1.503 GB, free: 105.9 MB / 0.8855 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004141/1.877, allocations: 0.5566 MB / 1.503 GB, free: 105.4 MB / 0.8855 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004498/1.877, allocations: 175.9 kB / 1.503 GB, free: 105.2 MB / 0.8855 GB Notification: Performance of prepare postOptimizeDAE: time 1.082e-05/1.877, allocations: 4 kB / 1.503 GB, free: 105.2 MB / 0.8855 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 0.005625/1.883, allocations: 3.137 MB / 1.506 GB, free: 102.1 MB / 0.8855 GB Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed. Error: No system for the symbolic initialization was generated