Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.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.DY,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DY",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DY",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 0.001326/0.001326, allocations: 100.1 kB / 15.05 MB, free: 1.105 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001647/0.001648, allocations: 177.3 kB / 15.95 MB, free: 216 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.277/2.277, allocations: 205.4 MB / 222.1 MB, free: 5.66 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: 292.6 MB / 0.5497 GB, free: 14.61 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 0.000915/0.0009151, allocations: 13.03 kB / 0.6737 GB, free: 26.19 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2678/0.2687, allocations: 116.3 MB / 0.7873 GB, free: 11.85 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY): time 0.01788/0.2866, allocations: 16.17 MB / 0.8031 GB, free: 11.62 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01042/0.2971, allocations: 6.517 MB / 0.8094 GB, free: 5.086 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001702/0.2989, allocations: 43.88 kB / 0.8095 GB, free: 5.043 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.001057/0.2999, allocations: 417.5 kB / 0.8099 GB, free: 4.633 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.002775/0.3027, allocations: 0.8256 MB / 0.8107 GB, free: 3.805 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.002598/0.3053, allocations: 0.8182 MB / 0.8115 GB, free: 2.988 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.003435/0.3088, allocations: 2.445 MB / 0.8139 GB, free: 0.5391 MB / 0.6231 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01161/0.3204, allocations: 7.98 MB / 0.8217 GB, free: 8.484 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002743/0.3232, allocations: 1.417 MB / 0.823 GB, free: 7.062 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00311/0.3263, allocations: 1.749 MB / 0.8247 GB, free: 5.309 MB / 0.6387 GB Notification: Performance of NFPackage.collectConstants: time 0.0006536/0.327, allocations: 244 kB / 0.825 GB, free: 5.07 MB / 0.6387 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001906/0.3289, allocations: 0.6712 MB / 0.8256 GB, free: 4.398 MB / 0.6387 GB Notification: Performance of NFScalarize.scalarize: time 0.002149/0.3311, allocations: 1.789 MB / 0.8274 GB, free: 2.605 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.001315/0.3324, allocations: 0.7264 MB / 0.8281 GB, free: 1.871 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.008064/0.3405, allocations: 6.725 MB / 0.8347 GB, free: 11.13 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 5.059e-06/0.3405, allocations: 0 / 0.8347 GB, free: 11.13 MB / 0.6544 GB Notification: Performance of FrontEnd: time 3.357e-06/0.3406, allocations: 0 / 0.8347 GB, free: 11.13 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.0002465/0.3408, allocations: 4 kB / 0.8347 GB, free: 11.12 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: 1034 * Number of variables: 1034 Notification: Performance of Generate backend data structure: time 0.008617/0.3494, allocations: 3.219 MB / 0.8378 GB, free: 7.844 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 4.556e-05/0.3495, allocations: 8.031 kB / 0.8378 GB, free: 7.836 MB / 0.6544 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001556/0.3511, allocations: 0.5668 MB / 0.8384 GB, free: 7.262 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01317/0.3642, allocations: 2.476 MB / 0.8408 GB, free: 4.777 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005844/0.3701, allocations: 2.194 MB / 0.8429 GB, free: 2.539 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002639/0.3704, allocations: 275.5 kB / 0.8432 GB, free: 2.27 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00138/0.3718, allocations: 367.9 kB / 0.8435 GB, free: 1.91 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01605/0.3879, allocations: 7.309 MB / 0.8507 GB, free: 10.48 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.96e-05/0.388, allocations: 3.938 kB / 0.8507 GB, free: 10.48 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005073/0.3885, allocations: 152 kB / 0.8508 GB, free: 10.33 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004676/0.389, allocations: 338.4 kB / 0.8511 GB, free: 9.996 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01683/0.4058, allocations: 7.115 MB / 0.8581 GB, free: 2.871 MB / 0.67 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 0.03709/0.443, allocations: 28.92 MB / 0.8863 GB, free: 3.402 MB / 0.7012 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007412/0.4504, allocations: 4.17 MB / 0.8904 GB, free: 15.01 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003079/0.4508, allocations: 131 kB / 0.8905 GB, free: 14.86 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.496e-05/0.4508, allocations: 64.5 kB / 0.8906 GB, free: 14.79 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=198): time 4.027e-06/0.4508, allocations: 0 / 0.8906 GB, free: 14.79 MB / 0.7169 GB Notification: Performance of matching and sorting (n=255): time 0.08447/0.5353, allocations: 26.78 MB / 0.9168 GB, free: 3.84 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.000105/0.5355, allocations: 243.6 kB / 0.917 GB, free: 3.555 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001855/0.5373, allocations: 1.45 MB / 0.9184 GB, free: 2.098 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0004877/0.5378, allocations: 69.7 kB / 0.9185 GB, free: 2.023 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008759/0.5387, allocations: 1.559 MB / 0.92 GB, free: 452 kB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.4458/0.9845, allocations: 0.8602 MB / 0.9208 GB, free: 123.3 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003602/0.9849, allocations: 63.06 kB / 0.9209 GB, free: 123.3 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.000254/0.9852, allocations: 433.7 kB / 0.9213 GB, free: 123 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006791/0.992, allocations: 2.527 MB / 0.9238 GB, free: 123 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006731/0.9988, allocations: 3.414 MB / 0.9271 GB, free: 121.8 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00647/1.005, allocations: 2.967 MB / 0.93 GB, free: 120.8 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.807e-05/1.005, allocations: 8.203 kB / 0.93 GB, free: 120.8 MB / 0.7325 GB Notification: Performance of matching and sorting (n=396) (initialization): time 0.03053/1.036, allocations: 10.23 MB / 0.94 GB, free: 118.2 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 0.002411/1.038, allocations: 10.54 MB / 0.9503 GB, free: 106.9 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.767e-05/1.038, allocations: 26.25 kB / 0.9503 GB, free: 106.9 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02135/1.06, allocations: 5.665 MB / 0.9558 GB, free: 106.3 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004517/1.064, allocations: 0.9822 MB / 0.9568 GB, free: 106.3 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05099/1.115, allocations: 22.61 MB / 0.9789 GB, free: 92.89 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007897/1.123, allocations: 0.5557 MB / 0.9794 GB, free: 92.62 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009416/1.124, allocations: 144.4 kB / 0.9796 GB, free: 92.58 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 1.666e-05/1.124, allocations: 3.875 kB / 0.9796 GB, free: 92.58 MB / 0.7325 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.03807/1.162, allocations: 8.414 MB / 0.9878 GB, free: 84.86 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001746/1.163, allocations: 24.62 kB / 0.9878 GB, free: 84.83 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02595/1.189, allocations: 3.538 MB / 0.9913 GB, free: 81.29 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.009188/1.198, allocations: 1.131 MB / 0.9924 GB, free: 80.16 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0359/1.234, allocations: 12.33 MB / 1.004 GB, free: 67.7 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.007532/1.242, allocations: 0.5342 MB / 1.005 GB, free: 67.16 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009413/1.243, allocations: 144.5 kB / 1.005 GB, free: 67.02 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 121 * 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 (302): * Single equations (assignments): 300 * 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%) 42} * Non-linear torn systems: 1 {6 42} Notification: Performance of prepare postOptimizeDAE: time 0.004963/1.248, allocations: 1.62 MB / 1.007 GB, free: 65.39 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001005/1.249, allocations: 193.7 kB / 1.007 GB, free: 65.2 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.04609/1.295, allocations: 9.821 MB / 1.016 GB, free: 55.32 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.221e-05/1.295, allocations: 30.25 kB / 1.016 GB, free: 55.29 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.906e-05/1.295, allocations: 12 kB / 1.016 GB, free: 55.28 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.182e-05/1.295, allocations: 15.45 kB / 1.016 GB, free: 55.27 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.05986/1.355, allocations: 14.91 MB / 1.031 GB, free: 40.24 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.694e-05/1.355, allocations: 8 kB / 1.031 GB, free: 40.23 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.006004/1.361, allocations: 0.7294 MB / 1.032 GB, free: 39.5 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.03611/1.397, allocations: 5.342 MB / 1.037 GB, free: 34.15 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000778/1.398, allocations: 71.94 kB / 1.037 GB, free: 34.08 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.05851/1.456, allocations: 21.44 MB / 1.058 GB, free: 12.39 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.339e-05/1.457, allocations: 8 kB / 1.058 GB, free: 12.38 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.04503/1.502, allocations: 9.783 MB / 1.068 GB, free: 2.207 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002554/1.504, allocations: 0.6975 MB / 1.068 GB, free: 1.488 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008005/1.505, allocations: 52 kB / 1.068 GB, free: 1.438 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00391/1.509, allocations: 0.507 MB / 1.069 GB, free: 0.9297 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006688/1.51, allocations: 210.4 kB / 1.069 GB, free: 0.7266 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002019/1.51, allocations: 87.95 kB / 1.069 GB, free: 0.6406 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001409/1.511, allocations: 1.017 MB / 1.07 GB, free: 15.62 MB / 0.7481 GB Notification: Performance of sort global known variables: time 3.01e-07/1.511, allocations: 0 / 1.07 GB, free: 15.62 MB / 0.7481 GB Notification: Performance of remove unused functions: time 0.006428/1.518, allocations: 1.766 MB / 1.072 GB, free: 13.86 MB / 0.7481 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 (158): * Single equations (assignments): 156 * 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%) 42} * Non-linear torn systems: 1 {6 42} Notification: Performance of Backend phase and start with SimCode phase: time 0.02775/1.545, allocations: 12.62 MB / 1.084 GB, free: 0.9688 MB / 0.7481 GB Notification: Performance of simCode: created initialization part: time 0.03069/1.576, allocations: 11.3 MB / 1.095 GB, free: 5.625 MB / 0.7637 GB Notification: Performance of simCode: created event and clocks part: time 1.271e-05/1.576, allocations: 0 / 1.095 GB, free: 5.625 MB / 0.7637 GB Notification: Performance of simCode: created simulation system equations: time 0.01124/1.588, allocations: 4.132 MB / 1.099 GB, free: 1.465 MB / 0.7637 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001835/1.589, allocations: 244.3 kB / 1.099 GB, free: 1.23 MB / 0.7637 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.07943/1.669, allocations: 47.31 MB / 1.146 GB, free: 0.6992 MB / 0.8106 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003392/1.672, allocations: 2.916 MB / 1.148 GB, free: 13.75 MB / 0.8262 GB Notification: Performance of simCode: alias equations: time 0.005242/1.678, allocations: 1.662 MB / 1.15 GB, free: 12.09 MB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001973/1.68, allocations: 1.241 MB / 1.151 GB, free: 10.85 MB / 0.8262 GB Notification: Performance of SimCode: time 1.052e-06/1.68, allocations: 4 kB / 1.151 GB, free: 10.85 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1488/1.828, allocations: 90.33 MB / 1.24 GB, free: 0.9453 MB / 0.9044 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002512/1.829, allocations: 284.4 kB / 1.24 GB, free: 0.582 MB / 0.9044 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.718/5.547, allocations: 0 / 1.24 GB, free: 0.582 MB / 0.9044 GB (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DY_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DY.fmu > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.pipe 2>&1) Environment - environmentSimulation: