Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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 Buildings with version 10.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo) Running command: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo): time 2.182/2.182, allocations: 391.2 MB / 407 MB, free: 10.89 MB / 314.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001182/0.001183, allocations: 198.6 kB / 499.1 MB, free: 4.684 MB / 394.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.484/1.484, allocations: 222.9 MB / 0.7948 GB, free: 15.75 MB / 0.5573 GB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00135/0.00135, allocations: 107.8 kB / 0.9329 GB, free: 7.074 MB / 0.6823 GB Notification: Performance of FrontEnd - loaded program: time 0.001275/0.001275, allocations: 49.62 kB / 1.081 GB, free: 218.3 MB / 0.823 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3196/0.321, allocations: 140.6 MB / 1.218 GB, free: 117.2 MB / 0.823 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY): time 0.0158/0.3368, allocations: 18.12 MB / 1.236 GB, free: 99.02 MB / 0.823 GB Notification: Performance of NFInst.instExpressions: time 0.009104/0.346, allocations: 6.867 MB / 1.243 GB, free: 92.13 MB / 0.823 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00164/0.3477, allocations: 43.88 kB / 1.243 GB, free: 92.09 MB / 0.823 GB Notification: Performance of NFTyping.typeComponents: time 0.003036/0.3508, allocations: 1.451 MB / 1.244 GB, free: 90.64 MB / 0.823 GB Notification: Performance of NFTyping.typeBindings: time 0.003223/0.354, allocations: 1.362 MB / 1.245 GB, free: 89.27 MB / 0.823 GB Notification: Performance of NFTyping.typeClassSections: time 0.002969/0.357, allocations: 1.197 MB / 1.246 GB, free: 88.07 MB / 0.823 GB Notification: Performance of NFFlatten.flatten: time 0.00662/0.3636, allocations: 8.834 MB / 1.255 GB, free: 79.22 MB / 0.823 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01033/0.374, allocations: 8.425 MB / 1.263 GB, free: 70.69 MB / 0.823 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003639/0.3776, allocations: 2.079 MB / 1.265 GB, free: 68.61 MB / 0.823 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004984/0.3826, allocations: 3.183 MB / 1.268 GB, free: 65.41 MB / 0.823 GB Notification: Performance of NFPackage.collectConstants: time 0.001849/0.3845, allocations: 384 kB / 1.269 GB, free: 65.04 MB / 0.823 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003865/0.3884, allocations: 1.299 MB / 1.27 GB, free: 63.74 MB / 0.823 GB Notification: Performance of NFScalarize.scalarize: time 0.003779/0.3922, allocations: 2.171 MB / 1.272 GB, free: 61.56 MB / 0.823 GB Notification: Performance of NFVerifyModel.verify: time 0.005108/0.3973, allocations: 2.089 MB / 1.274 GB, free: 59.46 MB / 0.823 GB Notification: Performance of NFConvertDAE.convert: time 0.008504/0.4058, allocations: 8.005 MB / 1.282 GB, free: 51.44 MB / 0.823 GB Notification: Performance of FrontEnd - DAE generated: time 6.292e-06/0.4059, allocations: 0 / 1.282 GB, free: 51.44 MB / 0.823 GB Notification: Performance of FrontEnd: time 1.322e-06/0.4059, allocations: 0 / 1.282 GB, free: 51.44 MB / 0.823 GB Notification: Performance of Transformations before backend: time 0.0002987/0.4062, allocations: 0 / 1.282 GB, free: 51.44 MB / 0.823 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 0.01063/0.4168, allocations: 3.933 MB / 1.286 GB, free: 47.44 MB / 0.823 GB Notification: Performance of prepare preOptimizeDAE: time 4.524e-05/0.4169, allocations: 11.98 kB / 1.286 GB, free: 47.43 MB / 0.823 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01125/0.4282, allocations: 2.36 MB / 1.288 GB, free: 45.06 MB / 0.823 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005291/0.4335, allocations: 2.218 MB / 1.29 GB, free: 42.8 MB / 0.823 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001772/0.4337, allocations: 283.8 kB / 1.291 GB, free: 42.52 MB / 0.823 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00108/0.4348, allocations: 367.9 kB / 1.291 GB, free: 42.16 MB / 0.823 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01328/0.4481, allocations: 7.355 MB / 1.298 GB, free: 34.69 MB / 0.823 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.255e-05/0.4482, allocations: 8 kB / 1.298 GB, free: 34.68 MB / 0.823 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003877/0.4486, allocations: 152 kB / 1.298 GB, free: 34.53 MB / 0.823 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000373/0.449, allocations: 338.3 kB / 1.299 GB, free: 34.2 MB / 0.823 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01428/0.4632, allocations: 7.138 MB / 1.306 GB, free: 27.05 MB / 0.823 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 0.04146/0.5048, allocations: 28.24 MB / 1.333 GB, free: 12.4 MB / 0.8386 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008725/0.5135, allocations: 4.17 MB / 1.337 GB, free: 8.023 MB / 0.8386 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.005805/0.5194, allocations: 2.335 MB / 1.34 GB, free: 5.668 MB / 0.8386 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003922/0.5198, allocations: 139 kB / 1.34 GB, free: 5.516 MB / 0.8386 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 9.265e-05/0.5199, allocations: 64.5 kB / 1.34 GB, free: 5.441 MB / 0.8386 GB Notification: Performance of pre-optimization done (n=198): time 5.981e-06/0.52, allocations: 0 / 1.34 GB, free: 5.441 MB / 0.8386 GB Notification: Performance of matching and sorting (n=257): time 0.109/0.6289, allocations: 30.57 MB / 1.37 GB, free: 6.793 MB / 0.8698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001405/0.6291, allocations: 239.6 kB / 1.37 GB, free: 6.512 MB / 0.8698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002733/0.6319, allocations: 1.458 MB / 1.371 GB, free: 5.047 MB / 0.8698 GB Notification: Performance of collectPreVariables (initialization): time 0.0006077/0.6325, allocations: 73.64 kB / 1.371 GB, free: 4.969 MB / 0.8698 GB Notification: Performance of collectInitialEqns (initialization): time 0.001237/0.6338, allocations: 1.563 MB / 1.373 GB, free: 3.383 MB / 0.8698 GB Notification: Performance of collectInitialBindings (initialization): time 0.001358/0.6351, allocations: 0.8664 MB / 1.374 GB, free: 2.504 MB / 0.8698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001951/0.6371, allocations: 0.6198 MB / 1.374 GB, free: 1.875 MB / 0.8698 GB Notification: Performance of setup shared object (initialization): time 0.0001108/0.6372, allocations: 309.1 kB / 1.375 GB, free: 1.57 MB / 0.8698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.006218/0.6435, allocations: 2.549 MB / 1.377 GB, free: 15.01 MB / 0.8855 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006781/0.6503, allocations: 3.435 MB / 1.38 GB, free: 11.19 MB / 0.8855 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01277/0.6631, allocations: 6.129 MB / 1.386 GB, free: 4.656 MB / 0.8855 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.831e-05/0.6632, allocations: 8 kB / 1.386 GB, free: 4.648 MB / 0.8855 GB Notification: Performance of matching and sorting (n=398) (initialization): time 0.02902/0.6922, allocations: 10.2 MB / 1.396 GB, free: 10.37 MB / 0.9011 GB Notification: Performance of prepare postOptimizeDAE: time 6.109e-05/0.6923, allocations: 16 kB / 1.396 GB, free: 10.36 MB / 0.9011 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.493e-05/0.6924, allocations: 24 kB / 1.396 GB, free: 10.33 MB / 0.9011 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.02062/0.713, allocations: 5.274 MB / 1.402 GB, free: 5.047 MB / 0.9011 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004578/0.7176, allocations: 0.9828 MB / 1.403 GB, free: 4.062 MB / 0.9011 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.6885/1.406, allocations: 21.47 MB / 1.424 GB, free: 181.2 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004992/1.411, allocations: 0.5515 MB / 1.424 GB, free: 181.2 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005164/1.412, allocations: 151.3 kB / 1.424 GB, free: 181.2 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.009374/1.421, allocations: 3.897 MB / 1.428 GB, free: 181.1 MB / 0.9167 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.007219/1.428, allocations: 3.402 MB / 1.431 GB, free: 179.3 MB / 0.9167 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.01346/1.442, allocations: 6.063 MB / 1.437 GB, free: 176.5 MB / 0.9167 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.759e-05/1.442, allocations: 7.406 kB / 1.437 GB, free: 176.5 MB / 0.9167 GB Notification: Performance of matching and sorting (n=398) (initialization_lambda0): time 0.0227/1.465, allocations: 8.55 MB / 1.446 GB, free: 174.3 MB / 0.9167 GB Notification: Performance of prepare postOptimizeDAE: time 4.015e-05/1.465, allocations: 15.81 kB / 1.446 GB, free: 174.3 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.143e-05/1.465, allocations: 27.69 kB / 1.446 GB, free: 174.3 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01207/1.477, allocations: 3.23 MB / 1.449 GB, free: 174 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.004961/1.482, allocations: 1.133 MB / 1.45 GB, free: 173.9 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02056/1.503, allocations: 11.67 MB / 1.461 GB, free: 168.9 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004575/1.507, allocations: 0.5329 MB / 1.462 GB, free: 168.8 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0007249/1.508, allocations: 147.2 kB / 1.462 GB, free: 168.8 MB / 0.9167 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 0.00128/1.509, allocations: 364.6 kB / 1.462 GB, free: 168.5 MB / 0.9167 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000963/1.51, allocations: 195.9 kB / 1.463 GB, free: 168.5 MB / 0.9167 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02433/1.535, allocations: 9.762 MB / 1.472 GB, free: 161.6 MB / 0.9167 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.52e-05/1.535, allocations: 24 kB / 1.472 GB, free: 161.6 MB / 0.9167 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.703e-05/1.535, allocations: 12 kB / 1.472 GB, free: 161.6 MB / 0.9167 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.676e-05/1.535, allocations: 11.95 kB / 1.472 GB, free: 161.6 MB / 0.9167 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03169/1.566, allocations: 15.14 MB / 1.487 GB, free: 146.3 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.775e-05/1.566, allocations: 8 kB / 1.487 GB, free: 146.3 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003052/1.57, allocations: 0.7339 MB / 1.488 GB, free: 145.6 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01641/1.586, allocations: 4.938 MB / 1.492 GB, free: 140.6 MB / 0.9167 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005176/1.586, allocations: 71.95 kB / 1.493 GB, free: 140.6 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0295/1.616, allocations: 20.36 MB / 1.512 GB, free: 120 MB / 0.9167 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.959e-06/1.616, allocations: 15.94 kB / 1.512 GB, free: 120 MB / 0.9167 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02884/1.645, allocations: 13.35 MB / 1.525 GB, free: 106.4 MB / 0.9167 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00183/1.647, allocations: 0.6846 MB / 1.526 GB, free: 105.7 MB / 0.9167 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006695/1.647, allocations: 61.61 kB / 1.526 GB, free: 105.6 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003558/1.651, allocations: 0.4992 MB / 1.527 GB, free: 105.1 MB / 0.9167 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008355/1.652, allocations: 218.3 kB / 1.527 GB, free: 104.9 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003051/1.652, allocations: 95.89 kB / 1.527 GB, free: 104.8 MB / 0.9167 GB Notification: Performance of sorting global known variables: time 0.001477/1.654, allocations: 1.033 MB / 1.528 GB, free: 103.8 MB / 0.9167 GB Notification: Performance of sort global known variables: time 1.51e-07/1.654, allocations: 0 / 1.528 GB, free: 103.8 MB / 0.9167 GB Notification: Performance of remove unused functions: time 0.006606/1.66, allocations: 1.758 MB / 1.53 GB, free: 102 MB / 0.9167 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 0.0005058/1.661, allocations: 182.9 kB / 1.53 GB, free: 101.8 MB / 0.9167 GB Notification: Performance of simCode: created initialization part: time 0.02553/1.686, allocations: 11.3 MB / 1.541 GB, free: 90.49 MB / 0.9167 GB Notification: Performance of simCode: created event and clocks part: time 1.263e-05/1.686, allocations: 8.062 kB / 1.541 GB, free: 90.48 MB / 0.9167 GB Notification: Performance of simCode: created simulation system equations: time 0.01006/1.696, allocations: 4.133 MB / 1.545 GB, free: 86.32 MB / 0.9167 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002956/1.699, allocations: 274.6 kB / 1.545 GB, free: 86.07 MB / 0.9167 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02844/1.728, allocations: 12.82 MB / 1.558 GB, free: 73.09 MB / 0.9167 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004151/1.732, allocations: 2.958 MB / 1.561 GB, free: 70.09 MB / 0.9167 GB Notification: Performance of simCode: alias equations: time 0.005638/1.738, allocations: 1.67 MB / 1.562 GB, free: 68.44 MB / 0.9167 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008609/1.739, allocations: 167.3 kB / 1.562 GB, free: 68.28 MB / 0.9167 GB Notification: Performance of SimCode: time 1.192e-06/1.739, allocations: 0 / 1.562 GB, free: 68.28 MB / 0.9167 GB Notification: Performance of Templates: time 0.09381/1.833, allocations: 70.46 MB / 1.631 GB, free: 13.99 MB / 0.9323 GB make -j1 -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY.makefile (rm -f Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY.pipe ; mkfifo Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY.pipe ; head -c 1048576 < Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY.pipe >> ../files/Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY.sim & ./Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_latest_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.UnbalancedStepUp.DY.pipe 2>&1)