Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.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 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.839/1.839, allocations: 292.3 MB / 308.1 MB, free: 4.309 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001314/0.001314, allocations: 190.4 kB / 376.9 MB, free: 1.789 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.566/1.566, allocations: 205.1 MB / 0.6354 GB, free: 9.746 MB / 474.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001115/0.001114, allocations: 99.92 kB / 0.748 GB, free: 61.25 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.001037/0.001037, allocations: 47.92 kB / 0.8704 GB, free: 13.05 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2692/0.2703, allocations: 114.5 MB / 0.9823 GB, free: 10.34 MB / 0.7136 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY): time 0.02134/0.2916, allocations: 18.05 MB / 0.9999 GB, free: 8.223 MB / 0.7292 GB Notification: Performance of NFInst.instExpressions: time 0.01134/0.303, allocations: 6.837 MB / 1.007 GB, free: 1.367 MB / 0.7292 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001586/0.3046, allocations: 47.88 kB / 1.007 GB, free: 1.32 MB / 0.7292 GB Notification: Performance of NFTyping.typeComponents: time 0.003477/0.3081, allocations: 1.448 MB / 1.008 GB, free: 15.87 MB / 0.7448 GB Notification: Performance of NFTyping.typeBindings: time 0.003178/0.3113, allocations: 1.343 MB / 1.009 GB, free: 14.52 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.002919/0.3142, allocations: 1.189 MB / 1.01 GB, free: 13.33 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.009304/0.3236, allocations: 8.795 MB / 1.019 GB, free: 4.516 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.6058/0.9294, allocations: 8.374 MB / 1.027 GB, free: 67.47 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004569/0.934, allocations: 2.068 MB / 1.029 GB, free: 67.43 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007546/0.9416, allocations: 3.167 MB / 1.032 GB, free: 67.17 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 0.0023/0.9439, allocations: 383.8 kB / 1.033 GB, free: 67.17 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004786/0.9487, allocations: 1.285 MB / 1.034 GB, free: 67.17 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 0.004725/0.9535, allocations: 2.159 MB / 1.036 GB, free: 67.04 MB / 0.7448 GB Notification: Performance of NFVerifyModel.verify: time 0.007352/0.9609, allocations: 2.075 MB / 1.038 GB, free: 66.51 MB / 0.7448 GB Notification: Performance of NFConvertDAE.convert: time 0.01516/0.9761, allocations: 7.949 MB / 1.046 GB, free: 65.88 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 7.204e-06/0.9761, allocations: 0 / 1.046 GB, free: 65.88 MB / 0.7448 GB Notification: Performance of FrontEnd: time 2.394e-06/0.9761, allocations: 3.062 kB / 1.046 GB, free: 65.88 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 0.0003246/0.9765, allocations: 0 / 1.046 GB, free: 65.88 MB / 0.7448 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1023 * Number of variables: 1023 Notification: Performance of Generate backend data structure: time 0.01468/0.9911, allocations: 3.896 MB / 1.05 GB, free: 64.43 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 4.974e-05/0.9912, allocations: 9.5 kB / 1.05 GB, free: 64.43 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01239/1.004, allocations: 2.339 MB / 1.052 GB, free: 64.23 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006867/1.011, allocations: 2.206 MB / 1.054 GB, free: 63.78 MB / 0.7448 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002482/1.011, allocations: 279.4 kB / 1.054 GB, free: 63.77 MB / 0.7448 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0019/1.013, allocations: 360.5 kB / 1.055 GB, free: 63.77 MB / 0.7448 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.02133/1.034, allocations: 7.331 MB / 1.062 GB, free: 63.38 MB / 0.7448 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001123/1.034, allocations: 6.531 kB / 1.062 GB, free: 63.37 MB / 0.7448 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0007271/1.035, allocations: 153.8 kB / 1.062 GB, free: 63.37 MB / 0.7448 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005753/1.036, allocations: 337.5 kB / 1.062 GB, free: 63.36 MB / 0.7448 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01946/1.055, allocations: 7.13 MB / 1.069 GB, free: 62.11 MB / 0.7448 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 0.0466/1.102, allocations: 28.15 MB / 1.097 GB, free: 41.67 MB / 0.7448 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008361/1.11, allocations: 4.171 MB / 1.101 GB, free: 39.67 MB / 0.7448 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005555/1.116, allocations: 2.342 MB / 1.103 GB, free: 38.99 MB / 0.7448 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003811/1.116, allocations: 131.8 kB / 1.103 GB, free: 38.89 MB / 0.7448 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.352e-05/1.116, allocations: 66.11 kB / 1.103 GB, free: 38.83 MB / 0.7448 GB Notification: Performance of pre-optimization done (n=198): time 5.33e-06/1.116, allocations: 0 / 1.103 GB, free: 38.83 MB / 0.7448 GB Notification: Performance of matching and sorting (n=257): time 0.1144/1.231, allocations: 30.52 MB / 1.133 GB, free: 32.04 MB / 0.7448 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001206/1.231, allocations: 243.5 kB / 1.133 GB, free: 31.79 MB / 0.7448 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002898/1.234, allocations: 1.418 MB / 1.135 GB, free: 31.25 MB / 0.7448 GB Notification: Performance of collectPreVariables (initialization): time 0.0008007/1.234, allocations: 66.61 kB / 1.135 GB, free: 31.19 MB / 0.7448 GB Notification: Performance of collectInitialEqns (initialization): time 0.001091/1.236, allocations: 1.546 MB / 1.136 GB, free: 30.02 MB / 0.7448 GB Notification: Performance of collectInitialBindings (initialization): time 0.001147/1.237, allocations: 0.874 MB / 1.137 GB, free: 29.34 MB / 0.7448 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001216/1.238, allocations: 0.6111 MB / 1.138 GB, free: 29.07 MB / 0.7448 GB Notification: Performance of setup shared object (initialization): time 5.572e-05/1.238, allocations: 302.2 kB / 1.138 GB, free: 28.77 MB / 0.7448 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006201/1.244, allocations: 2.555 MB / 1.141 GB, free: 28.01 MB / 0.7448 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006673/1.251, allocations: 3.433 MB / 1.144 GB, free: 26.17 MB / 0.7448 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0127/1.264, allocations: 6.135 MB / 1.15 GB, free: 23.35 MB / 0.7448 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.701e-05/1.264, allocations: 11 kB / 1.15 GB, free: 23.35 MB / 0.7448 GB Notification: Performance of matching and sorting (n=398) (initialization): time 0.02901/1.293, allocations: 10.19 MB / 1.16 GB, free: 19.14 MB / 0.7448 GB Notification: Performance of prepare postOptimizeDAE: time 5.484e-05/1.293, allocations: 19.62 kB / 1.16 GB, free: 19.14 MB / 0.7448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.31e-05/1.293, allocations: 26.34 kB / 1.16 GB, free: 19.14 MB / 0.7448 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01881/1.312, allocations: 5.272 MB / 1.165 GB, free: 16.64 MB / 0.7448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004466/1.316, allocations: 0.9909 MB / 1.166 GB, free: 16.37 MB / 0.7448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03639/1.353, allocations: 21.45 MB / 1.187 GB, free: 11.6 MB / 0.7605 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005535/1.358, allocations: 0.5574 MB / 1.188 GB, free: 11.04 MB / 0.7605 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001048/1.359, allocations: 148 kB / 1.188 GB, free: 10.9 MB / 0.7605 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.01172/1.371, allocations: 3.898 MB / 1.192 GB, free: 6.992 MB / 0.7605 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00785/1.379, allocations: 3.404 MB / 1.195 GB, free: 3.219 MB / 0.7605 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.01361/1.393, allocations: 6.062 MB / 1.201 GB, free: 12.86 MB / 0.7761 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.024e-05/1.393, allocations: 4 kB / 1.201 GB, free: 12.86 MB / 0.7761 GB Notification: Performance of matching and sorting (n=398) (initialization_lambda0): time 0.02615/1.419, allocations: 8.538 MB / 1.209 GB, free: 4.453 MB / 0.7761 GB Notification: Performance of prepare postOptimizeDAE: time 8.605e-05/1.419, allocations: 16 kB / 1.209 GB, free: 4.438 MB / 0.7761 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.842e-05/1.419, allocations: 28 kB / 1.209 GB, free: 4.41 MB / 0.7761 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01338/1.432, allocations: 3.241 MB / 1.212 GB, free: 1.168 MB / 0.7761 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.006218/1.439, allocations: 1.126 MB / 1.213 GB, free: 84 kB / 0.7761 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.03011/1.469, allocations: 11.67 MB / 1.225 GB, free: 4.297 MB / 0.7917 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006541/1.475, allocations: 0.5226 MB / 1.225 GB, free: 3.773 MB / 0.7917 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001157/1.477, allocations: 153 kB / 1.225 GB, free: 3.625 MB / 0.7917 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 (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 {(6,42,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(6,42)} Notification: Performance of prepare postOptimizeDAE: time 0.002004/1.479, allocations: 372.3 kB / 1.226 GB, free: 3.293 MB / 0.7917 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001327/1.48, allocations: 193.7 kB / 1.226 GB, free: 3.102 MB / 0.7917 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.03714/1.517, allocations: 9.755 MB / 1.236 GB, free: 9.367 MB / 0.8073 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.275e-05/1.517, allocations: 28 kB / 1.236 GB, free: 9.34 MB / 0.8073 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.109e-05/1.517, allocations: 8 kB / 1.236 GB, free: 9.332 MB / 0.8073 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.359e-05/1.517, allocations: 15.95 kB / 1.236 GB, free: 9.316 MB / 0.8073 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.04825/1.566, allocations: 15.13 MB / 1.25 GB, free: 10.14 MB / 0.823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.22e-05/1.566, allocations: 8 kB / 1.25 GB, free: 10.13 MB / 0.823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003631/1.569, allocations: 0.7298 MB / 1.251 GB, free: 9.398 MB / 0.823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01933/1.589, allocations: 4.949 MB / 1.256 GB, free: 4.441 MB / 0.823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0008651/1.59, allocations: 72.89 kB / 1.256 GB, free: 4.371 MB / 0.823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.03806/1.628, allocations: 20.34 MB / 1.276 GB, free: 15.77 MB / 0.8542 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.535e-05/1.628, allocations: 19.88 kB / 1.276 GB, free: 15.75 MB / 0.8542 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.03508/1.663, allocations: 13.34 MB / 1.289 GB, free: 2.168 MB / 0.8542 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002616/1.666, allocations: 0.6781 MB / 1.29 GB, free: 1.469 MB / 0.8542 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001001/1.667, allocations: 52.25 kB / 1.29 GB, free: 1.418 MB / 0.8542 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004423/1.671, allocations: 0.5031 MB / 1.29 GB, free: 0.9141 MB / 0.8542 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00111/1.672, allocations: 222.3 kB / 1.29 GB, free: 0.6992 MB / 0.8542 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0005446/1.673, allocations: 91.95 kB / 1.29 GB, free: 0.6094 MB / 0.8542 GB Notification: Performance of sorting global known variables: time 0.002255/1.675, allocations: 0.997 MB / 1.291 GB, free: 15.61 MB / 0.8698 GB Notification: Performance of sort global known variables: time 1.5e-07/1.675, allocations: 1.219 kB / 1.291 GB, free: 15.61 MB / 0.8698 GB Notification: Performance of remove unused functions: time 0.0093/1.684, allocations: 1.75 MB / 1.293 GB, free: 13.86 MB / 0.8698 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 (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 {(6,42,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(6,42)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0007204/1.685, allocations: 182.9 kB / 1.293 GB, free: 13.67 MB / 0.8698 GB Notification: Performance of simCode: created initialization part: time 0.03067/1.716, allocations: 11.3 MB / 1.304 GB, free: 2.305 MB / 0.8698 GB Notification: Performance of simCode: created event and clocks part: time 1.743e-05/1.716, allocations: 4.188 kB / 1.304 GB, free: 2.301 MB / 0.8698 GB Notification: Performance of simCode: created simulation system equations: time 0.01229/1.728, allocations: 4.132 MB / 1.308 GB, free: 14.14 MB / 0.8855 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003655/1.732, allocations: 260.2 kB / 1.309 GB, free: 13.89 MB / 0.8855 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03684/1.769, allocations: 13.66 MB / 1.322 GB, free: 68 kB / 0.8855 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.005056/1.774, allocations: 2.951 MB / 1.325 GB, free: 13.08 MB / 0.9011 GB Notification: Performance of simCode: alias equations: time 0.006127/1.78, allocations: 1.66 MB / 1.326 GB, free: 11.42 MB / 0.9011 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008232/1.781, allocations: 175.3 kB / 1.327 GB, free: 11.25 MB / 0.9011 GB Notification: Performance of SimCode: time 9.32e-07/1.781, allocations: 0 / 1.327 GB, free: 11.25 MB / 0.9011 GB Notification: Performance of Templates: time 0.5452/2.326, allocations: 69.84 MB / 1.395 GB, free: 277.1 MB / 0.948 GB make -j1 -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.makefile (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.sim & ./Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY.pipe 2>&1)