Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo)
Running command: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD,fileNamePrefix="Buildings_maint_7_0_x_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_maint_7_0_x_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 7.0.3-maint.7.0.x/package.mo): time 1.407/1.407, allocations: 252 MB / 267 MB, free: 10.99 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001182/0.001182, allocations: 172.2 kB / 326.6 MB, free: 2.23 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.685/1.685, allocations: 205.4 MB / 0.5777 GB, free: 20.25 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008042/0.0008043, allocations: 94.23 kB / 0.6823 GB, free: 12.85 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003843/0.0003845, allocations: 9.75 kB / 0.7965 GB, free: 135.3 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2431/0.2435, allocations: 106.3 MB / 0.9003 GB, free: 63.75 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DD): time 0.01381/0.2574, allocations: 14.82 MB / 0.9148 GB, free: 48.88 MB / 0.6042 GB
Notification: Performance of NFInst.instExpressions: time 0.009527/0.267, allocations: 6.146 MB / 0.9208 GB, free: 42.72 MB / 0.6042 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001659/0.2687, allocations: 39.88 kB / 0.9209 GB, free: 42.68 MB / 0.6042 GB
Notification: Performance of NFTyping.typeComponents: time 0.00138/0.2701, allocations: 325.6 kB / 0.9212 GB, free: 42.36 MB / 0.6042 GB
Notification: Performance of NFTyping.typeBindings: time 0.003004/0.2731, allocations: 1.062 MB / 0.9222 GB, free: 41.29 MB / 0.6042 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002697/0.2758, allocations: 0.7508 MB / 0.9229 GB, free: 40.54 MB / 0.6042 GB
Notification: Performance of NFFlatten.flatten: time 0.006224/0.2821, allocations: 5.885 MB / 0.9287 GB, free: 34.64 MB / 0.6042 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.009327/0.2914, allocations: 5.987 MB / 0.9345 GB, free: 28.59 MB / 0.6042 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003242/0.2947, allocations: 1.522 MB / 0.936 GB, free: 27.06 MB / 0.6042 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003952/0.2987, allocations: 2.38 MB / 0.9383 GB, free: 24.68 MB / 0.6042 GB
Notification: Performance of NFPackage.collectConstants: time 0.001518/0.3002, allocations: 212 kB / 0.9385 GB, free: 24.47 MB / 0.6042 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003202/0.3035, allocations: 0.6633 MB / 0.9392 GB, free: 23.8 MB / 0.6042 GB
Notification: Performance of NFScalarize.scalarize: time 0.003258/0.3067, allocations: 1.696 MB / 0.9408 GB, free: 22.11 MB / 0.6042 GB
Notification: Performance of NFVerifyModel.verify: time 0.002349/0.3091, allocations: 0.6173 MB / 0.9414 GB, free: 21.48 MB / 0.6042 GB
Notification: Performance of NFConvertDAE.convert: time 0.006889/0.316, allocations: 5.545 MB / 0.9469 GB, free: 15.92 MB / 0.6042 GB
Notification: Performance of FrontEnd - DAE generated: time 7.735e-06/0.3161, allocations: 0 / 0.9469 GB, free: 15.92 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 4.218e-06/0.3161, allocations: 3.938 kB / 0.9469 GB, free: 15.92 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 0.0002571/0.3164, allocations: 0 / 0.9469 GB, free: 15.92 MB / 0.6042 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 0.008114/0.3245, allocations: 2.872 MB / 0.9497 GB, free: 12.98 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 5.436e-05/0.3246, allocations: 11.97 kB / 0.9497 GB, free: 12.97 MB / 0.6042 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001527/0.3261, allocations: 492.3 kB / 0.9501 GB, free: 12.48 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01151/0.3376, allocations: 2.313 MB / 0.9524 GB, free: 10.16 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.004215/0.3419, allocations: 1.951 MB / 0.9543 GB, free: 8.164 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001396/0.3421, allocations: 234.2 kB / 0.9545 GB, free: 7.934 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007904/0.3429, allocations: 304 kB / 0.9548 GB, free: 7.637 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.01357/0.3564, allocations: 6.411 MB / 0.9611 GB, free: 1.113 MB / 0.6042 GB
Notification: Performance of preOpt findStateOrder (simulation): time 7.83e-05/0.3566, allocations: 11.84 kB / 0.9611 GB, free: 1.102 MB / 0.6042 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003867/0.357, allocations: 124 kB / 0.9612 GB, free: 0.9805 MB / 0.6042 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003853/0.3574, allocations: 321.4 kB / 0.9615 GB, free: 0.6641 MB / 0.6042 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0166/0.374, allocations: 6.566 MB / 0.9679 GB, free: 10.08 MB / 0.6198 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0369/0.4109, allocations: 24.86 MB / 0.9922 GB, free: 15.16 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.009997/0.421, allocations: 5.413 MB / 0.9975 GB, free: 9.383 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.007349/0.4284, allocations: 2.948 MB / 1 GB, free: 6.41 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000481/0.4289, allocations: 135 kB / 1.001 GB, free: 6.262 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 8.363e-05/0.429, allocations: 72.5 kB / 1.001 GB, free: 6.18 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=230): time 9.017e-06/0.429, allocations: 0 / 1.001 GB, free: 6.18 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=313): time 0.1495/0.5786, allocations: 39.52 MB / 1.039 GB, free: 14.61 MB / 0.698 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001845/0.5788, allocations: 251.8 kB / 1.039 GB, free: 14.31 MB / 0.698 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002369/0.5812, allocations: 1.271 MB / 1.041 GB, free: 13.02 MB / 0.698 GB
Notification: Performance of collectPreVariables (initialization): time 0.0008036/0.582, allocations: 73.7 kB / 1.041 GB, free: 12.95 MB / 0.698 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001207/0.5833, allocations: 1.243 MB / 1.042 GB, free: 11.68 MB / 0.698 GB
Notification: Performance of collectInitialBindings (initialization): time 0.002038/0.5853, allocations: 1.051 MB / 1.043 GB, free: 10.62 MB / 0.698 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006018/0.5859, allocations: 68 kB / 1.043 GB, free: 10.55 MB / 0.698 GB
Notification: Performance of setup shared object (initialization): time 0.0003538/0.5863, allocations: 436.8 kB / 1.043 GB, free: 10.12 MB / 0.698 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.006874/0.5932, allocations: 2.735 MB / 1.046 GB, free: 7.379 MB / 0.698 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.007088/0.6003, allocations: 3.427 MB / 1.049 GB, free: 3.691 MB / 0.698 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.007164/0.6075, allocations: 3.146 MB / 1.053 GB, free: 0.5273 MB / 0.698 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.312e-05/0.6075, allocations: 4 kB / 1.053 GB, free: 0.5234 MB / 0.698 GB
Notification: Performance of matching and sorting (n=414) (initialization): time 0.5457/1.153, allocations: 10.98 MB / 1.063 GB, free: 138.4 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0004105/1.154, allocations: 0.6261 MB / 1.064 GB, free: 137.7 MB / 0.698 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.132e-05/1.154, allocations: 18.52 kB / 1.064 GB, free: 137.7 MB / 0.698 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.02388/1.178, allocations: 6.298 MB / 1.07 GB, free: 137.6 MB / 0.698 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004432/1.182, allocations: 0.9387 MB / 1.071 GB, free: 137.5 MB / 0.698 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.04122/1.223, allocations: 26.37 MB / 1.097 GB, free: 123.4 MB / 0.698 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004337/1.228, allocations: 0.5365 MB / 1.097 GB, free: 122.8 MB / 0.698 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004937/1.228, allocations: 140 kB / 1.097 GB, free: 122.7 MB / 0.698 GB
Notification: Performance of prepare postOptimizeDAE: time 1.225e-05/1.228, allocations: 6.031 kB / 1.097 GB, free: 122.7 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 0.006085/1.234, allocations: 3.073 MB / 1.1 GB, free: 119.6 MB / 0.698 GB
Error: post-optimization module replaceHomotopyWithSimplified (initialization) failed.
Error: No system for the symbolic initialization was generated