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/ModelicaServices 4.0.0+maint.om/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 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false)
Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/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 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_8_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_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/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009249/0.000925, allocations: 86.8 kB / 15.06 MB, free: 1.09 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001371/0.001371, allocations: 168.7 kB / 15.95 MB, free: 204 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.737/1.737, allocations: 205.4 MB / 222.1 MB, free: 5.371 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.93/1.93, allocations: 292.7 MB / 0.5499 GB, free: 14.59 MB / 462.1 MB
Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.0009236/0.0009238, allocations: 13.97 kB / 0.6739 GB, free: 26.2 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3316/0.3325, allocations: 116.3 MB / 0.7874 GB, free: 11.83 MB / 0.6075 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.01623/0.3488, allocations: 14.83 MB / 0.8019 GB, free: 12.95 MB / 0.6231 GB
Notification: Performance of NFInst.instExpressions: time 0.009927/0.3588, allocations: 6.138 MB / 0.8079 GB, free: 6.793 MB / 0.6231 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001761/0.3606, allocations: 39.88 kB / 0.808 GB, free: 6.754 MB / 0.6231 GB
Notification: Performance of NFTyping.typeComponents: time 0.0008/0.3614, allocations: 321.7 kB / 0.8083 GB, free: 6.438 MB / 0.6231 GB
Notification: Performance of NFTyping.typeBindings: time 0.002572/0.364, allocations: 1.07 MB / 0.8093 GB, free: 5.363 MB / 0.6231 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002338/0.3663, allocations: 0.7524 MB / 0.81 GB, free: 4.609 MB / 0.6231 GB
Notification: Performance of NFFlatten.flatten: time 0.006837/0.3732, allocations: 5.889 MB / 0.8158 GB, free: 14.71 MB / 0.6387 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.01029/0.3835, allocations: 6.001 MB / 0.8217 GB, free: 8.645 MB / 0.6387 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003997/0.3875, allocations: 1.541 MB / 0.8232 GB, free: 7.098 MB / 0.6387 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.004802/0.3924, allocations: 2.372 MB / 0.8255 GB, free: 4.719 MB / 0.6387 GB
Notification: Performance of NFPackage.collectConstants: time 0.001056/0.3934, allocations: 212 kB / 0.8257 GB, free: 4.512 MB / 0.6387 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002478/0.3959, allocations: 0.6672 MB / 0.8263 GB, free: 3.844 MB / 0.6387 GB
Notification: Performance of NFScalarize.scalarize: time 0.003007/0.399, allocations: 1.699 MB / 0.828 GB, free: 2.141 MB / 0.6387 GB
Notification: Performance of NFVerifyModel.verify: time 0.001689/0.4007, allocations: 0.6134 MB / 0.8286 GB, free: 1.52 MB / 0.6387 GB
Notification: Performance of NFConvertDAE.convert: time 0.006538/0.4072, allocations: 5.54 MB / 0.834 GB, free: 11.96 MB / 0.6544 GB
Notification: Performance of FrontEnd - DAE generated: time 6.382e-06/0.4073, allocations: 0 / 0.834 GB, free: 11.96 MB / 0.6544 GB
Notification: Performance of FrontEnd: time 3.156e-06/0.4073, allocations: 7.984 kB / 0.834 GB, free: 11.96 MB / 0.6544 GB
Notification: Performance of Transformations before backend: time 0.0002019/0.4075, allocations: 0 / 0.834 GB, free: 11.96 MB / 0.6544 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 0.007512/0.415, allocations: 2.872 MB / 0.8368 GB, free: 9.023 MB / 0.6544 GB
Notification: Performance of prepare preOptimizeDAE: time 4.369e-05/0.4151, allocations: 11.97 kB / 0.8368 GB, free: 9.012 MB / 0.6544 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001915/0.417, allocations: 492.3 kB / 0.8373 GB, free: 8.52 MB / 0.6544 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01155/0.4285, allocations: 2.317 MB / 0.8396 GB, free: 6.195 MB / 0.6544 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004242/0.4328, allocations: 1.947 MB / 0.8415 GB, free: 4.203 MB / 0.6544 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002457/0.4331, allocations: 238.1 kB / 0.8417 GB, free: 3.969 MB / 0.6544 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009747/0.4341, allocations: 304 kB / 0.842 GB, free: 3.672 MB / 0.6544 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01347/0.4476, allocations: 6.396 MB / 0.8482 GB, free: 13.16 MB / 0.67 GB
Notification: Performance of preOpt findStateOrder (simulation): time 8.216e-05/0.4477, allocations: 7.938 kB / 0.8482 GB, free: 13.16 MB / 0.67 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004569/0.4482, allocations: 132 kB / 0.8484 GB, free: 13.03 MB / 0.67 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005513/0.4487, allocations: 325.4 kB / 0.8487 GB, free: 12.71 MB / 0.67 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01497/0.4637, allocations: 6.559 MB / 0.8551 GB, free: 6.133 MB / 0.67 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03305/0.4968, allocations: 24.88 MB / 0.8794 GB, free: 11.19 MB / 0.7012 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.008789/0.5056, allocations: 5.42 MB / 0.8847 GB, free: 5.402 MB / 0.7012 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.007594/0.5133, allocations: 2.952 MB / 0.8875 GB, free: 2.43 MB / 0.7012 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0007159/0.5141, allocations: 131 kB / 0.8877 GB, free: 2.285 MB / 0.7012 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001204/0.5142, allocations: 64.5 kB / 0.8877 GB, free: 2.211 MB / 0.7012 GB
Notification: Performance of pre-optimization done (n=230): time 8.476e-06/0.5142, allocations: 0 / 0.8877 GB, free: 2.211 MB / 0.7012 GB
Notification: Performance of matching and sorting (n=313): time 0.6506/1.165, allocations: 39.53 MB / 0.9263 GB, free: 125.5 MB / 0.7325 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001001/1.165, allocations: 240.2 kB / 0.9266 GB, free: 125.2 MB / 0.7325 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002015/1.167, allocations: 1.263 MB / 0.9278 GB, free: 125.1 MB / 0.7325 GB
Notification: Performance of collectPreVariables (initialization): time 0.0005514/1.168, allocations: 81.95 kB / 0.9279 GB, free: 125.1 MB / 0.7325 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007542/1.168, allocations: 1.25 MB / 0.9291 GB, free: 124.7 MB / 0.7325 GB
Notification: Performance of collectInitialBindings (initialization): time 0.001049/1.169, allocations: 1.053 MB / 0.9301 GB, free: 123.9 MB / 0.7325 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002444/1.17, allocations: 64.22 kB / 0.9302 GB, free: 123.9 MB / 0.7325 GB
Notification: Performance of setup shared object (initialization): time 0.0001939/1.17, allocations: 446.1 kB / 0.9306 GB, free: 123.5 MB / 0.7325 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.005852/1.176, allocations: 2.732 MB / 0.9333 GB, free: 122.7 MB / 0.7325 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.006433/1.182, allocations: 3.425 MB / 0.9366 GB, free: 121.1 MB / 0.7325 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007274/1.189, allocations: 3.146 MB / 0.9397 GB, free: 119.9 MB / 0.7325 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.198e-05/1.19, allocations: 5.781 kB / 0.9397 GB, free: 119.9 MB / 0.7325 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.03105/1.221, allocations: 10.99 MB / 0.9504 GB, free: 116 MB / 0.7325 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0004311/1.221, allocations: 0.6222 MB / 0.951 GB, free: 115.2 MB / 0.7325 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.799e-05/1.221, allocations: 22.08 kB / 0.9511 GB, free: 115.2 MB / 0.7325 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02072/1.242, allocations: 6.288 MB / 0.9572 GB, free: 112.3 MB / 0.7325 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003922/1.246, allocations: 0.942 MB / 0.9581 GB, free: 111.9 MB / 0.7325 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03868/1.285, allocations: 26.37 MB / 0.9839 GB, free: 91.3 MB / 0.7325 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003846/1.288, allocations: 0.5303 MB / 0.9844 GB, free: 90.77 MB / 0.7325 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004999/1.289, allocations: 143.9 kB / 0.9845 GB, free: 90.63 MB / 0.7325 GB
Notification: Performance of prepare postOptimizeDAE: time 1.211e-05/1.289, allocations: 4 kB / 0.9845 GB, free: 90.62 MB / 0.7325 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 0.006008/1.295, allocations: 3.073 MB / 0.9875 GB, free: 87.53 MB / 0.7325 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated