Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY.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.YY,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YY",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YY",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 0.0008556/0.0008556, allocations: 91.69 kB / 15.06 MB, free: 1.098 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009714/0.0009715, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.595/1.595, allocations: 205.4 MB / 222.1 MB, free: 5.496 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 1.801/1.801, allocations: 292.7 MB / 0.5499 GB, free: 14.52 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 0.0005312/0.0005313, allocations: 19.53 kB / 0.6739 GB, free: 26.12 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2456/0.2461, allocations: 116.3 MB / 0.7874 GB, free: 11.77 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY): time 0.01942/0.2656, allocations: 17.82 MB / 0.8048 GB, free: 9.895 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01232/0.278, allocations: 6.879 MB / 0.8116 GB, free: 2.996 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002156/0.2802, allocations: 47.88 kB / 0.8116 GB, free: 2.949 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.001695/0.2819, allocations: 417 kB / 0.812 GB, free: 2.539 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.003772/0.2857, allocations: 1.237 MB / 0.8132 GB, free: 1.297 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.002867/0.2886, allocations: 0.7953 MB / 0.814 GB, free: 0.5 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.007945/0.2965, allocations: 7.011 MB / 0.8208 GB, free: 9.473 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01365/0.3102, allocations: 8.64 MB / 0.8293 GB, free: 0.7539 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003668/0.3139, allocations: 1.857 MB / 0.8311 GB, free: 14.89 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004957/0.3189, allocations: 2.804 MB / 0.8338 GB, free: 12.08 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.0009258/0.3199, allocations: 256 kB / 0.8341 GB, free: 11.83 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002215/0.3221, allocations: 0.7024 MB / 0.8348 GB, free: 11.12 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.002596/0.3247, allocations: 2.05 MB / 0.8368 GB, free: 9.07 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.001282/0.326, allocations: 0.7615 MB / 0.8375 GB, free: 8.301 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.007868/0.3339, allocations: 7.134 MB / 0.8445 GB, free: 1.148 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 6.883e-06/0.3339, allocations: 0 / 0.8445 GB, free: 1.148 MB / 0.6544 GB Notification: Performance of FrontEnd: time 3.867e-06/0.3339, allocations: 0 / 0.8445 GB, free: 1.148 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0002129/0.3341, allocations: 3.938 kB / 0.8445 GB, free: 1.145 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: 1094 * Number of variables: 1094 Notification: Performance of Generate backend data structure: time 0.0077/0.3419, allocations: 3.329 MB / 0.8477 GB, free: 13.75 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.508e-05/0.3419, allocations: 11.97 kB / 0.8477 GB, free: 13.74 MB / 0.67 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001425/0.3433, allocations: 0.6035 MB / 0.8483 GB, free: 13.13 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01197/0.3553, allocations: 2.382 MB / 0.8506 GB, free: 10.74 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005975/0.3614, allocations: 2.272 MB / 0.8529 GB, free: 8.422 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003085/0.3617, allocations: 299.9 kB / 0.8532 GB, free: 8.129 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001467/0.3632, allocations: 388 kB / 0.8535 GB, free: 7.75 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01889/0.3821, allocations: 7.64 MB / 0.861 GB, free: 15.99 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.381e-05/0.3822, allocations: 4 kB / 0.861 GB, free: 15.98 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004907/0.3827, allocations: 160 kB / 0.8611 GB, free: 15.83 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005164/0.3832, allocations: 346.7 kB / 0.8615 GB, free: 15.49 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0161/0.3993, allocations: 7.245 MB / 0.8685 GB, free: 8.234 MB / 0.6856 GB Warning: The model contains alias variables with redundant start and/or conflicting nominal values. It is recommended to resolve the conflicts, because otherwise the system could be hard to solve. To print the conflicting alias sets and the chosen candidates please use -d=aliasConflicts. Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.04248/0.4419, allocations: 28.92 MB / 0.8968 GB, free: 8.832 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007661/0.4496, allocations: 3.663 MB / 0.9004 GB, free: 5.004 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004743/0.4543, allocations: 1.991 MB / 0.9023 GB, free: 2.992 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003108/0.4547, allocations: 130.3 kB / 0.9024 GB, free: 2.848 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.746e-05/0.4548, allocations: 63.8 kB / 0.9025 GB, free: 2.777 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=176): time 4.678e-06/0.4548, allocations: 0 / 0.9025 GB, free: 2.777 MB / 0.7169 GB Notification: Performance of matching and sorting (n=221): time 0.5673/1.022, allocations: 24.76 MB / 0.9267 GB, free: 123 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.946e-05/1.022, allocations: 240.6 kB / 0.9269 GB, free: 122.8 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002719/1.025, allocations: 1.616 MB / 0.9285 GB, free: 122.6 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0005186/1.025, allocations: 60.33 kB / 0.9285 GB, free: 122.6 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.001167/1.027, allocations: 1.743 MB / 0.9302 GB, free: 121.8 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008148/1.027, allocations: 0.7635 MB / 0.931 GB, free: 121.2 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002079/1.028, allocations: 61.75 kB / 0.931 GB, free: 121.1 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001895/1.028, allocations: 437.1 kB / 0.9315 GB, free: 120.8 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005173/1.033, allocations: 2.45 MB / 0.9339 GB, free: 120.1 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00654/1.04, allocations: 3.556 MB / 0.9373 GB, free: 118 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008464/1.048, allocations: 2.936 MB / 0.9402 GB, free: 116.9 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.185e-05/1.048, allocations: 10.94 kB / 0.9402 GB, free: 116.9 MB / 0.7325 GB Notification: Performance of matching and sorting (n=400) (initialization): time 0.02844/1.077, allocations: 9.987 MB / 0.95 GB, free: 113.7 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 0.0008581/1.078, allocations: 1.12 MB / 0.9511 GB, free: 112.2 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001107/1.078, allocations: 35.41 kB / 0.9511 GB, free: 112.2 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01934/1.097, allocations: 5.485 MB / 0.9564 GB, free: 109.6 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00429/1.101, allocations: 1.021 MB / 0.9574 GB, free: 109.3 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03173/1.133, allocations: 19.28 MB / 0.9763 GB, free: 96.23 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00455/1.138, allocations: 0.5845 MB / 0.9768 GB, free: 95.64 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007688/1.139, allocations: 169.5 kB / 0.977 GB, free: 95.48 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 1.187e-05/1.139, allocations: 4 kB / 0.977 GB, free: 95.48 MB / 0.7325 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01792/1.157, allocations: 8.279 MB / 0.9851 GB, free: 87.19 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001337/1.157, allocations: 36 kB / 0.9851 GB, free: 87.16 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01142/1.168, allocations: 3.449 MB / 0.9885 GB, free: 83.7 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0046/1.173, allocations: 1.151 MB / 0.9896 GB, free: 82.55 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0153/1.188, allocations: 10.62 MB / 1 GB, free: 71.8 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004088/1.192, allocations: 0.5465 MB / 1.001 GB, free: 71.25 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005517/1.193, allocations: 156 kB / 1.001 GB, free: 71.1 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 159 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (330): * Single equations (assignments): 328 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(6,100.0%) 30} * Non-linear torn systems: 1 {6 30} Notification: Performance of prepare postOptimizeDAE: time 0.003332/1.196, allocations: 1.706 MB / 1.002 GB, free: 69.38 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007933/1.197, allocations: 193.7 kB / 1.003 GB, free: 69.19 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02162/1.219, allocations: 8.77 MB / 1.011 GB, free: 60.39 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.194e-05/1.219, allocations: 20 kB / 1.011 GB, free: 60.37 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.822e-05/1.219, allocations: 15.95 kB / 1.011 GB, free: 60.35 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.292e-05/1.219, allocations: 12.94 kB / 1.011 GB, free: 60.34 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03122/1.25, allocations: 14.6 MB / 1.025 GB, free: 45.58 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.171e-05/1.25, allocations: 11.95 kB / 1.025 GB, free: 45.57 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003009/1.253, allocations: 0.7135 MB / 1.026 GB, free: 44.86 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01663/1.27, allocations: 5.133 MB / 1.031 GB, free: 39.71 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0006948/1.271, allocations: 63.95 kB / 1.031 GB, free: 39.65 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0282/1.299, allocations: 18.21 MB / 1.049 GB, free: 21.16 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.028e-05/1.299, allocations: 15.94 kB / 1.049 GB, free: 21.15 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02055/1.319, allocations: 8.83 MB / 1.058 GB, free: 12.2 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001908/1.321, allocations: 0.6624 MB / 1.058 GB, free: 11.51 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008651/1.322, allocations: 50.83 kB / 1.058 GB, free: 11.46 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003411/1.326, allocations: 0.4953 MB / 1.059 GB, free: 10.97 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000928/1.327, allocations: 193.4 kB / 1.059 GB, free: 10.78 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0004681/1.327, allocations: 75.95 kB / 1.059 GB, free: 10.7 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.002471/1.33, allocations: 1.079 MB / 1.06 GB, free: 9.625 MB / 0.7325 GB Notification: Performance of sort global known variables: time 4.81e-07/1.33, allocations: 0 / 1.06 GB, free: 9.625 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.009711/1.339, allocations: 1.738 MB / 1.062 GB, free: 7.887 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (154): * Single equations (assignments): 152 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(6,100.0%) 30} * Non-linear torn systems: 1 {6 30} Notification: Performance of Backend phase and start with SimCode phase: time 0.02267/1.362, allocations: 9.485 MB / 1.071 GB, free: 14.27 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.0273/1.389, allocations: 10.84 MB / 1.082 GB, free: 3.398 MB / 0.7481 GB Notification: Performance of simCode: created event and clocks part: time 1.984e-05/1.389, allocations: 5.812 kB / 1.082 GB, free: 3.395 MB / 0.7481 GB Notification: Performance of simCode: created simulation system equations: time 0.01029/1.4, allocations: 3.816 MB / 1.085 GB, free: 15.56 MB / 0.7637 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003591/1.403, allocations: 276.7 kB / 1.086 GB, free: 15.29 MB / 0.7637 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0706/1.474, allocations: 27.79 MB / 1.113 GB, free: 2.324 MB / 0.7794 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005898/1.48, allocations: 2.912 MB / 1.116 GB, free: 15.38 MB / 0.795 GB Notification: Performance of simCode: alias equations: time 0.006795/1.487, allocations: 1.684 MB / 1.117 GB, free: 13.69 MB / 0.795 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.003415/1.49, allocations: 1.296 MB / 1.119 GB, free: 12.39 MB / 0.795 GB Notification: Performance of SimCode: time 2.826e-06/1.49, allocations: 0 / 1.119 GB, free: 12.39 MB / 0.795 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1579/1.648, allocations: 87.4 MB / 1.204 GB, free: 5.406 MB / 0.8731 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002376/1.649, allocations: 288.7 kB / 1.204 GB, free: 5.047 MB / 0.8731 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.925/5.574, allocations: 0 / 1.204 GB, free: 5.047 MB / 0.8731 GB (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YY_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_YY.fmu > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.YY.pipe 2>&1) Environment - environmentSimulation: