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.BalancedStepDown.YY.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.BalancedStepDown.YY,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YY",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YY",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 1.464/1.464, allocations: 252 MB / 267.3 MB, free: 10.84 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001174/0.001174, allocations: 176.3 kB / 327 MB, free: 2.109 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.957/1.957, allocations: 205.4 MB / 0.578 GB, free: 20.39 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008856/0.0008855, allocations: 85.06 kB / 0.6826 GB, free: 13.22 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0005067/0.0005068, allocations: 8.656 kB / 0.7971 GB, free: 134.9 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2423/0.2429, allocations: 106.3 MB / 0.9009 GB, free: 63.69 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY): time 0.01781/0.2607, allocations: 18.77 MB / 0.9193 GB, free: 44.86 MB / 0.6042 GB Notification: Performance of NFInst.instExpressions: time 0.01343/0.2743, allocations: 7.204 MB / 0.9263 GB, free: 37.63 MB / 0.6042 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002806/0.2771, allocations: 47.88 kB / 0.9264 GB, free: 37.58 MB / 0.6042 GB Notification: Performance of NFTyping.typeComponents: time 0.002079/0.2792, allocations: 417 kB / 0.9268 GB, free: 37.17 MB / 0.6042 GB Notification: Performance of NFTyping.typeBindings: time 0.005178/0.2844, allocations: 1.425 MB / 0.9281 GB, free: 35.74 MB / 0.6042 GB Notification: Performance of NFTyping.typeClassSections: time 0.00343/0.2879, allocations: 1.035 MB / 0.9292 GB, free: 34.71 MB / 0.6042 GB Notification: Performance of NFFlatten.flatten: time 0.008231/0.2962, allocations: 9.201 MB / 0.9381 GB, free: 25.49 MB / 0.6042 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01538/0.3116, allocations: 10.21 MB / 0.9481 GB, free: 15.16 MB / 0.6042 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004051/0.3157, allocations: 1.853 MB / 0.9499 GB, free: 13.3 MB / 0.6042 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004763/0.3205, allocations: 2.858 MB / 0.9527 GB, free: 10.43 MB / 0.6042 GB Notification: Performance of NFPackage.collectConstants: time 0.0016/0.3221, allocations: 256 kB / 0.953 GB, free: 10.18 MB / 0.6042 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003686/0.3259, allocations: 1.197 MB / 0.9541 GB, free: 8.98 MB / 0.6042 GB Notification: Performance of NFScalarize.scalarize: time 0.00359/0.3295, allocations: 2.039 MB / 0.9561 GB, free: 6.938 MB / 0.6042 GB Notification: Performance of NFVerifyModel.verify: time 0.004499/0.334, allocations: 1.934 MB / 0.958 GB, free: 4.988 MB / 0.6042 GB Notification: Performance of NFConvertDAE.convert: time 0.01095/0.345, allocations: 8.135 MB / 0.966 GB, free: 12.83 MB / 0.6198 GB Notification: Performance of FrontEnd - DAE generated: time 5.981e-06/0.345, allocations: 0 / 0.966 GB, free: 12.83 MB / 0.6198 GB Notification: Performance of FrontEnd: time 1.923e-06/0.345, allocations: 0 / 0.966 GB, free: 12.83 MB / 0.6198 GB Notification: Performance of Transformations before backend: time 0.0003974/0.3454, allocations: 0 / 0.966 GB, free: 12.83 MB / 0.6198 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1083 * Number of variables: 1083 Notification: Performance of Generate backend data structure: time 0.01103/0.3565, allocations: 3.267 MB / 0.9691 GB, free: 9.5 MB / 0.6198 GB Notification: Performance of prepare preOptimizeDAE: time 6.478e-05/0.3566, allocations: 16.03 kB / 0.9692 GB, free: 9.484 MB / 0.6198 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002672/0.3593, allocations: 0.5878 MB / 0.9697 GB, free: 8.887 MB / 0.6198 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01407/0.3733, allocations: 2.387 MB / 0.9721 GB, free: 6.488 MB / 0.6198 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007075/0.3805, allocations: 2.284 MB / 0.9743 GB, free: 4.16 MB / 0.6198 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004348/0.381, allocations: 304 kB / 0.9746 GB, free: 3.863 MB / 0.6198 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.002116/0.3831, allocations: 379.9 kB / 0.9749 GB, free: 3.492 MB / 0.6198 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02363/0.4068, allocations: 7.634 MB / 0.9824 GB, free: 11.74 MB / 0.6355 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0002438/0.4071, allocations: 3.938 kB / 0.9824 GB, free: 11.73 MB / 0.6355 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.002026/0.4091, allocations: 160 kB / 0.9826 GB, free: 11.58 MB / 0.6355 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0006804/0.4098, allocations: 346.6 kB / 0.9829 GB, free: 11.24 MB / 0.6355 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.02098/0.4308, allocations: 7.253 MB / 0.99 GB, free: 3.973 MB / 0.6355 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 0.04776/0.4786, allocations: 28.5 MB / 1.018 GB, free: 5.094 MB / 0.6667 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008616/0.4873, allocations: 3.671 MB / 1.021 GB, free: 1.266 MB / 0.6667 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005338/0.4927, allocations: 1.991 MB / 1.023 GB, free: 15.25 MB / 0.6823 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000335/0.493, allocations: 126.3 kB / 1.023 GB, free: 15.11 MB / 0.6823 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.804e-05/0.4931, allocations: 63.86 kB / 1.024 GB, free: 15.04 MB / 0.6823 GB Notification: Performance of pre-optimization done (n=176): time 6.402e-06/0.4931, allocations: 0 / 1.024 GB, free: 15.04 MB / 0.6823 GB Notification: Performance of matching and sorting (n=221): time 0.08958/0.5827, allocations: 24.74 MB / 1.048 GB, free: 6.191 MB / 0.698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001512/0.5829, allocations: 231.6 kB / 1.048 GB, free: 5.918 MB / 0.698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00252/0.5855, allocations: 1.59 MB / 1.049 GB, free: 4.312 MB / 0.698 GB Notification: Performance of collectPreVariables (initialization): time 0.000519/0.586, allocations: 61.7 kB / 1.05 GB, free: 4.246 MB / 0.698 GB Notification: Performance of collectInitialEqns (initialization): time 0.001407/0.5874, allocations: 1.724 MB / 1.051 GB, free: 2.496 MB / 0.698 GB Notification: Performance of collectInitialBindings (initialization): time 0.001181/0.5886, allocations: 0.7626 MB / 1.052 GB, free: 1.723 MB / 0.698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000253/0.5889, allocations: 64 kB / 1.052 GB, free: 1.66 MB / 0.698 GB Notification: Performance of setup shared object (initialization): time 0.0002575/0.5891, allocations: 432.5 kB / 1.052 GB, free: 1.23 MB / 0.698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.5363/1.125, allocations: 2.464 MB / 1.055 GB, free: 136.4 MB / 0.698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.008717/1.134, allocations: 3.57 MB / 1.058 GB, free: 135.1 MB / 0.698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01401/1.148, allocations: 6.176 MB / 1.064 GB, free: 133.7 MB / 0.698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.044e-05/1.148, allocations: 10.28 kB / 1.064 GB, free: 133.7 MB / 0.698 GB Notification: Performance of matching and sorting (n=400) (initialization): time 0.03343/1.182, allocations: 10.03 MB / 1.074 GB, free: 133.1 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 0.001028/1.183, allocations: 1.123 MB / 1.075 GB, free: 131.5 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.725e-05/1.183, allocations: 34.56 kB / 1.075 GB, free: 131.5 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02108/1.204, allocations: 5.462 MB / 1.081 GB, free: 131 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005128/1.209, allocations: 1.034 MB / 1.082 GB, free: 130.8 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03231/1.242, allocations: 19.31 MB / 1.1 GB, free: 117.4 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004807/1.247, allocations: 0.5752 MB / 1.101 GB, free: 116.9 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005757/1.247, allocations: 163.9 kB / 1.101 GB, free: 116.7 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 1.484e-05/1.247, allocations: 7.938 kB / 1.101 GB, free: 116.7 MB / 0.698 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.02014/1.267, allocations: 8.31 MB / 1.109 GB, free: 108.4 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0001433/1.268, allocations: 36.88 kB / 1.109 GB, free: 108.3 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01262/1.28, allocations: 3.445 MB / 1.113 GB, free: 104.9 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005051/1.285, allocations: 1.147 MB / 1.114 GB, free: 103.7 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01709/1.302, allocations: 10.63 MB / 1.124 GB, free: 93.07 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004483/1.307, allocations: 0.5401 MB / 1.125 GB, free: 92.54 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000461/1.307, allocations: 160 kB / 1.125 GB, free: 92.38 MB / 0.698 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 (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(6,30,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(6,30)} Notification: Performance of prepare postOptimizeDAE: time 0.003121/1.311, allocations: 1.699 MB / 1.127 GB, free: 90.7 MB / 0.698 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006417/1.311, allocations: 199.6 kB / 1.127 GB, free: 90.53 MB / 0.698 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02253/1.334, allocations: 8.784 MB / 1.135 GB, free: 81.72 MB / 0.698 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.817e-05/1.334, allocations: 20 kB / 1.135 GB, free: 81.7 MB / 0.698 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.776e-05/1.334, allocations: 13.53 kB / 1.135 GB, free: 81.69 MB / 0.698 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.807e-05/1.334, allocations: 13.03 kB / 1.135 GB, free: 81.68 MB / 0.698 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0298/1.364, allocations: 14.6 MB / 1.15 GB, free: 66.91 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.489e-05/1.364, allocations: 8 kB / 1.15 GB, free: 66.9 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003185/1.367, allocations: 0.7183 MB / 1.15 GB, free: 66.18 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01864/1.386, allocations: 5.145 MB / 1.155 GB, free: 61.03 MB / 0.698 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0007952/1.387, allocations: 63.95 kB / 1.155 GB, free: 60.96 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0271/1.414, allocations: 18.22 MB / 1.173 GB, free: 42.47 MB / 0.698 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.242e-05/1.414, allocations: 12.48 kB / 1.173 GB, free: 42.46 MB / 0.698 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02215/1.436, allocations: 8.843 MB / 1.182 GB, free: 33.5 MB / 0.698 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001813/1.438, allocations: 0.6606 MB / 1.182 GB, free: 32.82 MB / 0.698 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004684/1.438, allocations: 51.98 kB / 1.183 GB, free: 32.77 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003285/1.442, allocations: 0.4952 MB / 1.183 GB, free: 32.27 MB / 0.698 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007044/1.442, allocations: 177.6 kB / 1.183 GB, free: 32.09 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002247/1.442, allocations: 83.95 kB / 1.183 GB, free: 32.01 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.001435/1.444, allocations: 1.062 MB / 1.184 GB, free: 30.95 MB / 0.698 GB Notification: Performance of sort global known variables: time 1.61e-07/1.444, allocations: 0 / 1.184 GB, free: 30.95 MB / 0.698 GB Notification: Performance of remove unused functions: time 0.005979/1.45, allocations: 1.723 MB / 1.186 GB, free: 29.23 MB / 0.698 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 (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(6,30,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(6,30)} Notification: Performance of Backend phase and start with SimCode phase: time 0.02214/1.472, allocations: 9.507 MB / 1.195 GB, free: 19.58 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.02565/1.498, allocations: 10.87 MB / 1.206 GB, free: 8.68 MB / 0.698 GB Notification: Performance of simCode: created event and clocks part: time 1.409e-05/1.498, allocations: 128 / 1.206 GB, free: 8.68 MB / 0.698 GB Notification: Performance of simCode: created simulation system equations: time 0.009736/1.508, allocations: 3.828 MB / 1.21 GB, free: 4.84 MB / 0.698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003345/1.511, allocations: 262.5 kB / 1.21 GB, free: 4.59 MB / 0.698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1065/1.617, allocations: 43.33 MB / 1.252 GB, free: 7.199 MB / 0.7448 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.006667/1.624, allocations: 2.899 MB / 1.255 GB, free: 4.266 MB / 0.7448 GB Notification: Performance of simCode: alias equations: time 0.006592/1.631, allocations: 1.677 MB / 1.257 GB, free: 2.59 MB / 0.7448 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002501/1.633, allocations: 1.276 MB / 1.258 GB, free: 1.312 MB / 0.7448 GB Notification: Performance of SimCode: time 1.203e-06/1.633, allocations: 0 / 1.258 GB, free: 1.312 MB / 0.7448 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1466/1.78, allocations: 86.28 MB / 1.342 GB, free: 11.38 MB / 0.8386 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002408/1.78, allocations: 314.3 kB / 1.342 GB, free: 11 MB / 0.8386 GB Notification: Performance of buildModelFMU: Generate platform static: time 4.58/6.361, allocations: 3.938 kB / 1.342 GB, free: 10.99 MB / 0.8386 GB (rm -f Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YY_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_maint_7_0_x_Buildings_Electrical_AC_ThreePhasesUnbalanced_Validation_IEEETests_Test4NodesFeeder_BalancedStepDown_YY.fmu > Buildings_maint.7.0.x_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.pipe 2>&1)