Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IBPSA_latest_IBPSA.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+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(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY,fileNamePrefix="IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DY",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY,fileNamePrefix="IBPSA_latest_IBPSA_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 0.0007224/0.0007224, allocations: 91.77 kB / 15.7 MB, free: 468 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0007395/0.0007394, allocations: 176.2 kB / 16.58 MB, free: 6.848 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.236/1.236, allocations: 223.3 MB / 240.6 MB, free: 5.434 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6193/0.6193, allocations: 113.7 MB / 405.4 MB, free: 4.594 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003372/0.0003373, allocations: 13.98 kB / 493.2 MB, free: 8.512 MB / 350.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1379/0.1383, allocations: 77.12 MB / 0.5569 GB, free: 11.59 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY): time 0.01538/0.1537, allocations: 16.55 MB / 0.5731 GB, free: 10.99 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.008347/0.162, allocations: 6.496 MB / 0.5794 GB, free: 4.48 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006657/0.1627, allocations: 43.88 kB / 0.5795 GB, free: 4.438 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0006805/0.1634, allocations: 389.2 kB / 0.5799 GB, free: 4.055 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001802/0.1652, allocations: 1.175 MB / 0.581 GB, free: 2.875 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001495/0.1667, allocations: 0.7755 MB / 0.5818 GB, free: 2.102 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.251/0.4178, allocations: 6.691 MB / 0.5883 GB, free: 13.17 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.01227/0.4301, allocations: 7.973 MB / 0.5961 GB, free: 11.97 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003664/0.4338, allocations: 1.773 MB / 0.5978 GB, free: 11.97 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.004757/0.4386, allocations: 2.688 MB / 0.6004 GB, free: 11.86 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0006546/0.4392, allocations: 246.6 kB / 0.6007 GB, free: 11.86 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.002081/0.4413, allocations: 0.6887 MB / 0.6013 GB, free: 11.85 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.002283/0.4436, allocations: 1.945 MB / 0.6032 GB, free: 11.73 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.001052/0.4447, allocations: 0.7244 MB / 0.6039 GB, free: 11.58 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.005869/0.4506, allocations: 6.76 MB / 0.6105 GB, free: 9.164 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.939e-06/0.4506, allocations: 0 / 0.6105 GB, free: 9.164 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.903e-06/0.4506, allocations: 0 / 0.6105 GB, free: 9.164 MB / 446.1 MB Notification: Performance of Transformations before backend: time 0.0001536/0.4507, allocations: 0 / 0.6105 GB, free: 9.164 MB / 446.1 MB 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 0.006341/0.4571, allocations: 3.223 MB / 0.6137 GB, free: 7.285 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 4.023e-05/0.4571, allocations: 9.875 kB / 0.6137 GB, free: 7.285 MB / 446.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007898/0.4579, allocations: 0.5681 MB / 0.6143 GB, free: 7.129 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009932/0.4679, allocations: 2.371 MB / 0.6166 GB, free: 6.055 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003898/0.4718, allocations: 2.19 MB / 0.6187 GB, free: 5.285 MB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001611/0.472, allocations: 286.6 kB / 0.619 GB, free: 5.27 MB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005639/0.4725, allocations: 364.7 kB / 0.6193 GB, free: 5.27 MB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01239/0.4849, allocations: 7.323 MB / 0.6265 GB, free: 15.6 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.028e-05/0.485, allocations: 19.83 kB / 0.6265 GB, free: 15.58 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0004414/0.4855, allocations: 155.2 kB / 0.6267 GB, free: 15.44 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0004574/0.486, allocations: 338.4 kB / 0.627 GB, free: 15.11 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01512/0.5011, allocations: 7.115 MB / 0.6339 GB, free: 7.984 MB / 462.1 MB 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 0.03707/0.5382, allocations: 28.58 MB / 0.6618 GB, free: 9.109 MB / 494.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.007247/0.5455, allocations: 4.166 MB / 0.6659 GB, free: 4.73 MB / 494.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.004923/0.5504, allocations: 2.333 MB / 0.6682 GB, free: 2.395 MB / 494.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0003331/0.5508, allocations: 129.3 kB / 0.6683 GB, free: 2.258 MB / 494.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.891e-05/0.5509, allocations: 68.45 kB / 0.6684 GB, free: 2.18 MB / 494.1 MB Notification: Performance of pre-optimization done (n=198): time 4.93e-06/0.5509, allocations: 2.406 kB / 0.6684 GB, free: 2.18 MB / 494.1 MB Notification: Performance of matching and sorting (n=257): time 0.08845/0.6393, allocations: 30.2 MB / 0.6979 GB, free: 3.953 MB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001135/0.6395, allocations: 239.5 kB / 0.6981 GB, free: 3.672 MB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002008/0.6415, allocations: 1.454 MB / 0.6995 GB, free: 2.211 MB / 0.5137 GB Notification: Performance of collectPreVariables (initialization): time 0.0003986/0.6419, allocations: 69.7 kB / 0.6996 GB, free: 2.137 MB / 0.5137 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009363/0.6429, allocations: 1.557 MB / 0.7011 GB, free: 0.5664 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008039/0.6437, allocations: 0.876 MB / 0.702 GB, free: 15.7 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002239/0.6439, allocations: 60 kB / 0.702 GB, free: 15.64 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 0.0002122/0.6441, allocations: 436.5 kB / 0.7024 GB, free: 15.2 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004798/0.6489, allocations: 2.523 MB / 0.7049 GB, free: 12.68 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.005295/0.6542, allocations: 3.423 MB / 0.7082 GB, free: 8.867 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005274/0.6595, allocations: 2.96 MB / 0.7111 GB, free: 5.887 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.327e-05/0.6595, allocations: 8 kB / 0.7111 GB, free: 5.879 MB / 0.5294 GB Notification: Performance of matching and sorting (n=398) (initialization): time 0.02333/0.6829, allocations: 10.22 MB / 0.7211 GB, free: 11.6 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 0.0005859/0.6835, allocations: 0.8769 MB / 0.722 GB, free: 10.34 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.887e-05/0.6835, allocations: 28 kB / 0.722 GB, free: 10.32 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01805/0.7016, allocations: 5.672 MB / 0.7275 GB, free: 4.629 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003824/0.7055, allocations: 0.9828 MB / 0.7285 GB, free: 3.645 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03385/0.7393, allocations: 21.6 MB / 0.7496 GB, free: 13.82 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003731/0.7431, allocations: 0.5536 MB / 0.7501 GB, free: 13.26 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003424/0.7434, allocations: 147.9 kB / 0.7503 GB, free: 13.12 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 9.979e-06/0.7435, allocations: 6.344 kB / 0.7503 GB, free: 13.11 MB / 0.5762 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01848/0.7619, allocations: 8.408 MB / 0.7585 GB, free: 4.656 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.303e-05/0.762, allocations: 28 kB / 0.7585 GB, free: 4.629 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0119/0.7739, allocations: 3.548 MB / 0.762 GB, free: 1.078 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004633/0.7786, allocations: 1.136 MB / 0.7631 GB, free: 15.94 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01845/0.7971, allocations: 11.8 MB / 0.7746 GB, free: 4.008 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003653/0.8008, allocations: 0.5303 MB / 0.7751 GB, free: 3.477 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003308/0.8011, allocations: 151.9 kB / 0.7753 GB, free: 3.328 MB / 0.5919 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 (304): * Single equations (assignments): 302 * 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 0.003017/0.8041, allocations: 1.62 MB / 0.7769 GB, free: 1.695 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005193/0.8046, allocations: 193.7 kB / 0.777 GB, free: 1.504 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02282/0.8275, allocations: 9.845 MB / 0.7867 GB, free: 7.605 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.789e-05/0.8276, allocations: 24 kB / 0.7867 GB, free: 7.582 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.243e-05/0.8276, allocations: 16 kB / 0.7867 GB, free: 7.566 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.351e-05/0.8277, allocations: 15.95 kB / 0.7867 GB, free: 7.551 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03093/0.8586, allocations: 15.18 MB / 0.8015 GB, free: 8.199 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.361e-05/0.8587, allocations: 12 kB / 0.8015 GB, free: 8.188 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002932/0.8616, allocations: 0.7297 MB / 0.8023 GB, free: 7.457 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01739/0.879, allocations: 5.34 MB / 0.8075 GB, free: 2.105 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005543/0.8796, allocations: 71.95 kB / 0.8075 GB, free: 2.035 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.2895/1.169, allocations: 20.39 MB / 0.8275 GB, free: 209 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.507e-05/1.169, allocations: 13.16 kB / 0.8275 GB, free: 209 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02305/1.192, allocations: 9.353 MB / 0.8366 GB, free: 208.1 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001947/1.194, allocations: 0.6999 MB / 0.8373 GB, free: 208 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004917/1.195, allocations: 56.66 kB / 0.8373 GB, free: 208 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003079/1.198, allocations: 0.5043 MB / 0.8378 GB, free: 208 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006729/1.199, allocations: 226.3 kB / 0.838 GB, free: 208 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002582/1.199, allocations: 89.41 kB / 0.8381 GB, free: 208 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.001641/1.2, allocations: 1.02 MB / 0.8391 GB, free: 207.8 MB / 0.6387 GB Notification: Performance of sort global known variables: time 1.71e-07/1.2, allocations: 1.281 kB / 0.8391 GB, free: 207.8 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.005409/1.206, allocations: 1.766 MB / 0.8409 GB, free: 207.8 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 40 * 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 (162): * Single equations (assignments): 160 * 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 0.02078/1.227, allocations: 10.01 MB / 0.8506 GB, free: 205.1 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.02134/1.248, allocations: 11.3 MB / 0.8617 GB, free: 201.7 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 1.648e-05/1.248, allocations: 3.656 kB / 0.8617 GB, free: 201.7 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.008349/1.256, allocations: 4.138 MB / 0.8657 GB, free: 200.5 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002063/1.259, allocations: 277.7 kB / 0.866 GB, free: 200.3 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0509/1.309, allocations: 29.28 MB / 0.8946 GB, free: 173.8 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002389/1.312, allocations: 2.858 MB / 0.8974 GB, free: 170.9 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.004366/1.316, allocations: 1.656 MB / 0.899 GB, free: 169.3 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001358/1.318, allocations: 1.241 MB / 0.9002 GB, free: 168 MB / 0.6387 GB Notification: Performance of SimCode: time 8.52e-07/1.318, allocations: 0 / 0.9002 GB, free: 168 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.09182/1.409, allocations: 90.73 MB / 0.9888 GB, free: 77.79 MB / 0.6387 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001481/1.41, allocations: 275.4 kB / 0.9891 GB, free: 77.44 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.099/4.509, allocations: 0 / 0.9891 GB, free: 77.44 MB / 0.6387 GB (rm -f IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DY_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 IBPSA_latest_IBPSA_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_UnbalancedStepDown_DY.fmu > IBPSA_latest_IBPSA.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepDown.DY.pipe 2>&1) Environment - environmentSimulation: