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.UnbalancedStepDown.DD.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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_8_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_8_0_0_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DD",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 1.611/1.611, allocations: 287.4 MB / 302.6 MB, free: 8.336 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001083/0.001084, allocations: 188.8 kB / 371.1 MB, free: 10.82 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.621/1.621, allocations: 205.4 MB / 0.6298 GB, free: 10.56 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008792/0.0008793, allocations: 98.33 kB / 0.7431 GB, free: 6.539 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004348/0.000435, allocations: 11.22 kB / 0.8662 GB, free: 140.8 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2479/0.2484, allocations: 115.3 MB / 0.9788 GB, free: 28.07 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.01333/0.2618, allocations: 14.81 MB / 0.9932 GB, free: 13.2 MB / 0.6198 GB
Notification: Performance of NFInst.instExpressions: time 0.009015/0.2709, allocations: 6.134 MB / 0.9992 GB, free: 7.051 MB / 0.6198 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001375/0.2723, allocations: 39.88 kB / 0.9993 GB, free: 7.012 MB / 0.6198 GB
Notification: Performance of NFTyping.typeComponents: time 0.0007599/0.2731, allocations: 329.6 kB / 0.9996 GB, free: 6.688 MB / 0.6198 GB
Notification: Performance of NFTyping.typeBindings: time 0.002365/0.2754, allocations: 1.062 MB / 1.001 GB, free: 5.621 MB / 0.6198 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002086/0.2775, allocations: 0.753 MB / 1.001 GB, free: 4.867 MB / 0.6198 GB
Notification: Performance of NFFlatten.flatten: time 0.004802/0.2824, allocations: 5.9 MB / 1.007 GB, free: 14.95 MB / 0.6355 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009113/0.2915, allocations: 6.771 MB / 1.014 GB, free: 8.098 MB / 0.6355 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.00325/0.2948, allocations: 1.526 MB / 1.015 GB, free: 6.566 MB / 0.6355 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003461/0.2982, allocations: 2.38 MB / 1.018 GB, free: 4.18 MB / 0.6355 GB
Notification: Performance of NFPackage.collectConstants: time 0.000465/0.2987, allocations: 216 kB / 1.018 GB, free: 3.969 MB / 0.6355 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.001749/0.3005, allocations: 0.6633 MB / 1.018 GB, free: 3.305 MB / 0.6355 GB
Notification: Performance of NFScalarize.scalarize: time 0.001693/0.3022, allocations: 1.699 MB / 1.02 GB, free: 1.602 MB / 0.6355 GB
Notification: Performance of NFVerifyModel.verify: time 0.0007292/0.3029, allocations: 0.6095 MB / 1.021 GB, free: 0.9844 MB / 0.6355 GB
Notification: Performance of NFConvertDAE.convert: time 0.005269/0.3082, allocations: 5.536 MB / 1.026 GB, free: 11.43 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 6.502e-06/0.3082, allocations: 0 / 1.026 GB, free: 11.43 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 3.666e-06/0.3082, allocations: 0 / 1.026 GB, free: 11.43 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 0.0001127/0.3083, allocations: 3.938 kB / 1.026 GB, free: 11.43 MB / 0.6511 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.005821/0.3142, allocations: 2.833 MB / 1.029 GB, free: 8.535 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 4.761e-05/0.3142, allocations: 16.03 kB / 1.029 GB, free: 8.52 MB / 0.6511 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0006589/0.3149, allocations: 0.4887 MB / 1.029 GB, free: 8.02 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01176/0.3267, allocations: 2.306 MB / 1.032 GB, free: 5.707 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005282/0.332, allocations: 1.987 MB / 1.034 GB, free: 3.676 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002259/0.3323, allocations: 234.3 kB / 1.034 GB, free: 3.445 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001087/0.3334, allocations: 304 kB / 1.034 GB, free: 3.148 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01395/0.3473, allocations: 6.415 MB / 1.04 GB, free: 12.62 MB / 0.6667 GB
Notification: Performance of preOpt findStateOrder (simulation): time 6.657e-05/0.3474, allocations: 3.938 kB / 1.04 GB, free: 12.62 MB / 0.6667 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003612/0.3478, allocations: 128 kB / 1.04 GB, free: 12.49 MB / 0.6667 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004701/0.3483, allocations: 317.4 kB / 1.041 GB, free: 12.18 MB / 0.6667 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01556/0.3639, allocations: 6.559 MB / 1.047 GB, free: 5.605 MB / 0.6667 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.5289/0.8928, allocations: 24.89 MB / 1.071 GB, free: 75.64 MB / 0.6823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01261/0.9055, allocations: 5.415 MB / 1.077 GB, free: 73.6 MB / 0.6823 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.008983/0.9146, allocations: 2.938 MB / 1.08 GB, free: 72.79 MB / 0.6823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0004775/0.9151, allocations: 142.9 kB / 1.08 GB, free: 72.68 MB / 0.6823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.772e-05/0.9152, allocations: 64.75 kB / 1.08 GB, free: 72.62 MB / 0.6823 GB
Notification: Performance of pre-optimization done (n=230): time 4.97e-06/0.9152, allocations: 0 / 1.08 GB, free: 72.62 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=313): time 0.1427/1.058, allocations: 39.56 MB / 1.118 GB, free: 58.83 MB / 0.6823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.469e-05/1.058, allocations: 246.7 kB / 1.119 GB, free: 58.57 MB / 0.6823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001587/1.06, allocations: 1.266 MB / 1.12 GB, free: 57.88 MB / 0.6823 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005656/1.06, allocations: 80.02 kB / 1.12 GB, free: 57.81 MB / 0.6823 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0006072/1.061, allocations: 1.251 MB / 1.121 GB, free: 56.71 MB / 0.6823 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0009108/1.062, allocations: 1.047 MB / 1.122 GB, free: 55.81 MB / 0.6823 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002002/1.062, allocations: 67.25 kB / 1.122 GB, free: 55.76 MB / 0.6823 GB
Notification: Performance of setup shared object (initialization): time 0.0001432/1.062, allocations: 439 kB / 1.123 GB, free: 55.36 MB / 0.6823 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005318/1.067, allocations: 2.733 MB / 1.125 GB, free: 53.38 MB / 0.6823 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005709/1.073, allocations: 3.42 MB / 1.129 GB, free: 49.7 MB / 0.6823 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01135/1.085, allocations: 6.355 MB / 1.135 GB, free: 43.06 MB / 0.6823 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.446e-05/1.085, allocations: 4 kB / 1.135 GB, free: 43.06 MB / 0.6823 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.02578/1.11, allocations: 11.02 MB / 1.146 GB, free: 31.99 MB / 0.6823 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0003824/1.111, allocations: 0.6233 MB / 1.146 GB, free: 31.12 MB / 0.6823 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.484e-05/1.111, allocations: 20 kB / 1.146 GB, free: 31.1 MB / 0.6823 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02066/1.132, allocations: 6.298 MB / 1.152 GB, free: 24.79 MB / 0.6823 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004148/1.136, allocations: 0.9321 MB / 1.153 GB, free: 23.86 MB / 0.6823 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03976/1.176, allocations: 26.37 MB / 1.179 GB, free: 13.26 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004551/1.18, allocations: 0.5226 MB / 1.18 GB, free: 12.74 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005854/1.181, allocations: 139.9 kB / 1.18 GB, free: 12.6 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.471e-05/1.181, allocations: 9.25 kB / 1.18 GB, free: 12.59 MB / 0.698 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 <failed> postOpt replaceHomotopyWithSimplified (initialization): time 0.00726/1.188, allocations: 3.076 MB / 1.183 GB, free: 9.5 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated