Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.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 8.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo)
Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo): time 1.721/1.721, allocations: 293.1 MB / 309 MB, free: 4.781 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001133/0.001133, allocations: 180.3 kB / 378.7 MB, free: 1.023 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.909/1.909, allocations: 205.4 MB / 0.6383 GB, free: 8.23 MB / 474.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009757/0.0009759, allocations: 91.03 kB / 0.7527 GB, free: 62.76 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004116/0.0004116, allocations: 16 kB / 0.8768 GB, free: 10.43 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3069/0.3074, allocations: 116.4 MB / 0.9905 GB, free: 5.887 MB / 0.7136 GB
Notification: Performance of FrontEnd - scodeFlatten: time 0.866/1.173, allocations: 200.2 MB / 1.186 GB, free: 13.26 MB / 0.7605 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0004312/1.174, allocations: 121.6 kB / 1.186 GB, free: 13.14 MB / 0.7605 GB
Notification: Performance of FrontEnd - DAE generated: time 0.3141/1.488, allocations: 124.5 MB / 1.308 GB, free: 15.62 MB / 0.8855 GB
Notification: Performance of FrontEnd: time 2.154e-06/1.488, allocations: 0 / 1.308 GB, free: 15.62 MB / 0.8855 GB
Notification: Performance of Transformations before backend: time 0.0001734/1.488, allocations: 67.98 kB / 1.308 GB, free: 15.55 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: 874
 * Number of variables: 874
Notification: Performance of Generate backend data structure: time 0.008992/1.497, allocations: 2.825 MB / 1.311 GB, free: 12.66 MB / 0.8855 GB
Notification: Performance of prepare preOptimizeDAE: time 4.624e-05/1.497, allocations: 8.031 kB / 1.311 GB, free: 12.66 MB / 0.8855 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01168/1.509, allocations: 2.092 MB / 1.313 GB, free: 10.56 MB / 0.8855 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005177/1.514, allocations: 2.041 MB / 1.315 GB, free: 8.469 MB / 0.8855 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000259/1.515, allocations: 239.3 kB / 1.315 GB, free: 8.234 MB / 0.8855 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.001547/1.516, allocations: 300 kB / 1.315 GB, free: 7.941 MB / 0.8855 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01651/1.533, allocations: 5.903 MB / 1.321 GB, free: 1.93 MB / 0.8855 GB
Notification: Performance of preOpt findStateOrder (simulation): time 0.000119/1.533, allocations: 15.84 kB / 1.321 GB, free: 1.914 MB / 0.8855 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001003/1.534, allocations: 128 kB / 1.321 GB, free: 1.789 MB / 0.8855 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005129/1.534, allocations: 289.3 kB / 1.321 GB, free: 1.504 MB / 0.8855 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01589/1.55, allocations: 6.019 MB / 1.327 GB, free: 11.47 MB / 0.9011 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04261/1.593, allocations: 24.85 MB / 1.351 GB, free: 0.5703 MB / 0.9167 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009785/1.603, allocations: 5.473 MB / 1.357 GB, free: 10.75 MB / 0.9323 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.006093/1.609, allocations: 2.798 MB / 1.36 GB, free: 7.93 MB / 0.9323 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0003597/1.609, allocations: 143 kB / 1.36 GB, free: 7.77 MB / 0.9323 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.612e-05/1.609, allocations: 68.48 kB / 1.36 GB, free: 7.695 MB / 0.9323 GB
Notification: Performance of pre-optimization done (n=230): time 4.378e-06/1.609, allocations: 0 / 1.36 GB, free: 7.695 MB / 0.9323 GB
Notification: Performance of matching and sorting (n=311): time 0.6636/2.273, allocations: 36.57 MB / 1.395 GB, free: 198.8 MB / 0.9323 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 8.78e-05/2.273, allocations: 238.2 kB / 1.396 GB, free: 198.6 MB / 0.9323 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001909/2.275, allocations: 1.294 MB / 1.397 GB, free: 198.4 MB / 0.9323 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007899/2.276, allocations: 78.77 kB / 1.397 GB, free: 198.4 MB / 0.9323 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0008814/2.277, allocations: 1.253 MB / 1.398 GB, free: 197.8 MB / 0.9323 GB
Notification: Performance of collectInitialBindings (initialization): time 0.00135/2.278, allocations: 1.045 MB / 1.399 GB, free: 197.2 MB / 0.9323 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002422/2.278, allocations: 63.91 kB / 1.399 GB, free: 197.2 MB / 0.9323 GB
Notification: Performance of setup shared object (initialization): time 0.0002113/2.278, allocations: 446.4 kB / 1.4 GB, free: 196.9 MB / 0.9323 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005398/2.284, allocations: 2.729 MB / 1.402 GB, free: 196.9 MB / 0.9323 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.005679/2.29, allocations: 3.434 MB / 1.406 GB, free: 196.2 MB / 0.9323 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.01148/2.301, allocations: 6.376 MB / 1.412 GB, free: 195.4 MB / 0.9323 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.237e-05/2.301, allocations: 6.5 kB / 1.412 GB, free: 195.4 MB / 0.9323 GB
Notification: Performance of matching and sorting (n=412) (initialization): time 0.02169/2.323, allocations: 9.862 MB / 1.422 GB, free: 195.1 MB / 0.9323 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0005186/2.323, allocations: 0.6467 MB / 1.422 GB, free: 194.3 MB / 0.9323 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.779e-05/2.323, allocations: 20.25 kB / 1.422 GB, free: 194.3 MB / 0.9323 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0265/2.35, allocations: 7.765 MB / 1.43 GB, free: 194.1 MB / 0.9323 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003536/2.354, allocations: 0.8188 MB / 1.431 GB, free: 194.1 MB / 0.9323 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02389/2.377, allocations: 17.35 MB / 1.448 GB, free: 192 MB / 0.9323 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003916/2.381, allocations: 0.5256 MB / 1.448 GB, free: 192 MB / 0.9323 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004867/2.382, allocations: 185.6 kB / 1.448 GB, free: 192 MB / 0.9323 GB
Notification: Performance of prepare postOptimizeDAE: time 1.24e-05/2.382, allocations: 7.156 kB / 1.448 GB, free: 192 MB / 0.9323 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 0.006433/2.388, allocations: 3.201 MB / 1.451 GB, free: 191.9 MB / 0.9323 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated