Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.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 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.YD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.782/1.782, allocations: 288.4 MB / 304.3 MB, free: 8.074 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001091/0.001091, allocations: 184.5 kB / 373 MB, free: 10.18 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.633/1.633, allocations: 205.4 MB / 0.6317 GB, free: 9.93 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009254/0.0009255, allocations: 90.34 kB / 0.745 GB, free: 5.84 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003853/0.0003854, allocations: 16.72 kB / 0.8681 GB, free: 141.8 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2552/0.2556, allocations: 115.3 MB / 0.9807 GB, free: 27.41 MB / 0.6198 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.8275/1.083, allocations: 200.2 MB / 1.176 GB, free: 14.54 MB / 0.7136 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0003422/1.084, allocations: 117.5 kB / 1.176 GB, free: 14.46 MB / 0.7136 GB
Notification: Performance of FrontEnd - DAE generated: time 0.334/1.418, allocations: 135.5 MB / 1.309 GB, free: 1.652 MB / 0.823 GB
Notification: Performance of FrontEnd: time 3.877e-06/1.418, allocations: 0 / 1.309 GB, free: 1.652 MB / 0.823 GB
Notification: Performance of Transformations before backend: time 0.0002261/1.418, allocations: 79.98 kB / 1.309 GB, free: 1.574 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 0.0126/1.43, allocations: 3.091 MB / 1.312 GB, free: 14.43 MB / 0.8386 GB
Notification: Performance of prepare preOptimizeDAE: time 0.0001148/1.431, allocations: 8.031 kB / 1.312 GB, free: 14.42 MB / 0.8386 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01415/1.445, allocations: 2.13 MB / 1.314 GB, free: 12.28 MB / 0.8386 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006362/1.451, allocations: 2.225 MB / 1.316 GB, free: 10.01 MB / 0.8386 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000312/1.451, allocations: 276.2 kB / 1.316 GB, free: 9.738 MB / 0.8386 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.002073/1.454, allocations: 344 kB / 1.317 GB, free: 9.402 MB / 0.8386 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.02053/1.474, allocations: 6.527 MB / 1.323 GB, free: 2.773 MB / 0.8386 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.0001903/1.474, allocations: 7.938 kB / 1.323 GB, free: 2.766 MB / 0.8386 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001641/1.476, allocations: 156 kB / 1.323 GB, free: 2.613 MB / 0.8386 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006421/1.477, allocations: 302.1 kB / 1.323 GB, free: 2.316 MB / 0.8386 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01861/1.495, allocations: 6.408 MB / 1.33 GB, free: 11.9 MB / 0.8542 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04561/1.541, allocations: 26.74 MB / 1.356 GB, free: 14.98 MB / 0.8855 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.01209/1.553, allocations: 5.011 MB / 1.361 GB, free: 9.668 MB / 0.8855 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006896/1.56, allocations: 2.527 MB / 1.363 GB, free: 7.125 MB / 0.8855 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003743/1.56, allocations: 135 kB / 1.363 GB, free: 6.973 MB / 0.8855 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.49e-05/1.561, allocations: 64.44 kB / 1.363 GB, free: 6.902 MB / 0.8855 GB
Notification: Performance of pre-optimization done (n=208): time 4.629e-06/1.561, allocations: 0 / 1.363 GB, free: 6.902 MB / 0.8855 GB
Notification: Performance of matching and sorting (n=277): time 0.1222/1.683, allocations: 31.02 MB / 1.394 GB, free: 7.77 MB / 0.9167 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001706/1.683, allocations: 243.6 kB / 1.394 GB, free: 7.48 MB / 0.9167 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003274/1.686, allocations: 1.457 MB / 1.395 GB, free: 6.016 MB / 0.9167 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007227/1.687, allocations: 69.7 kB / 1.395 GB, free: 5.941 MB / 0.9167 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001448/1.688, allocations: 1.513 MB / 1.397 GB, free: 4.406 MB / 0.9167 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001607/1.69, allocations: 0.9318 MB / 1.398 GB, free: 3.461 MB / 0.9167 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.000676/1.691, allocations: 64 kB / 1.398 GB, free: 3.398 MB / 0.9167 GB
Notification: Performance of setup shared object (initialization): time 0.000387/1.691, allocations: 444.8 kB / 1.398 GB, free: 2.957 MB / 0.9167 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006714/1.698, allocations: 2.621 MB / 1.401 GB, free: 340 kB / 0.9167 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007945/1.706, allocations: 3.527 MB / 1.404 GB, free: 12.41 MB / 0.9323 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01436/1.72, allocations: 6.343 MB / 1.41 GB, free: 5.656 MB / 0.9323 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.897e-05/1.72, allocations: 8 kB / 1.41 GB, free: 5.648 MB / 0.9323 GB
Notification: Performance of matching and sorting (n=416) (initialization): time 0.02785/1.748, allocations: 9.562 MB / 1.42 GB, free: 12.03 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0009187/1.749, allocations: 0.8784 MB / 1.421 GB, free: 10.77 MB / 0.948 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.938e-05/1.749, allocations: 28 kB / 1.421 GB, free: 10.74 MB / 0.948 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.03212/1.781, allocations: 7.527 MB / 1.428 GB, free: 3.195 MB / 0.948 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004408/1.786, allocations: 0.8813 MB / 1.429 GB, free: 2.312 MB / 0.948 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.5709/2.357, allocations: 15.3 MB / 1.444 GB, free: 262.4 MB / 0.948 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00461/2.362, allocations: 0.549 MB / 1.444 GB, free: 262.4 MB / 0.948 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005465/2.362, allocations: 200.4 kB / 1.445 GB, free: 262.4 MB / 0.948 GB
Notification: Performance of prepare postOptimizeDAE: time 1.137e-05/2.362, allocations: 4.281 kB / 1.445 GB, free: 262.4 MB / 0.948 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 0.007085/2.369, allocations: 3.15 MB / 1.448 GB, free: 262.3 MB / 0.948 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated