Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.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/Buildings 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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: translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY") translateModel(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001252/0.001252, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001436/0.001436, allocations: 193.1 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.414/1.414, allocations: 222.9 MB / 240.2 MB, free: 4.371 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.802/2.802, allocations: 472.6 MB / 0.7451 GB, free: 4.637 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.00127/0.00127, allocations: 59.78 kB / 0.912 GB, free: 33.41 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3451/0.3464, allocations: 159.9 MB / 1.068 GB, free: 10.41 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY): time 0.02221/0.3686, allocations: 19.54 MB / 1.087 GB, free: 6.801 MB / 0.8419 GB Notification: Performance of NFInst.instExpressions: time 0.01148/0.3802, allocations: 7.217 MB / 1.094 GB, free: 15.57 MB / 0.8575 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001674/0.3819, allocations: 59.88 kB / 1.094 GB, free: 15.51 MB / 0.8575 GB Notification: Performance of NFTyping.typeComponents: time 0.004788/0.3867, allocations: 1.881 MB / 1.096 GB, free: 13.62 MB / 0.8575 GB Notification: Performance of NFTyping.typeBindings: time 0.004025/0.3908, allocations: 1.529 MB / 1.098 GB, free: 12.09 MB / 0.8575 GB Notification: Performance of NFTyping.typeClassSections: time 0.003504/0.3943, allocations: 1.309 MB / 1.099 GB, free: 10.78 MB / 0.8575 GB Notification: Performance of NFFlatten.flatten: time 0.008093/0.4024, allocations: 5.858 MB / 1.105 GB, free: 4.906 MB / 0.8575 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01261/0.415, allocations: 8.803 MB / 1.113 GB, free: 11.96 MB / 0.8731 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004458/0.4195, allocations: 2.579 MB / 1.116 GB, free: 9.379 MB / 0.8731 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005075/0.4246, allocations: 3.233 MB / 1.119 GB, free: 6.137 MB / 0.8731 GB Notification: Performance of NFPackage.collectConstants: time 0.001689/0.4264, allocations: 0.5703 MB / 1.12 GB, free: 5.566 MB / 0.8731 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003547/0.4299, allocations: 1.319 MB / 1.121 GB, free: 4.246 MB / 0.8731 GB Notification: Performance of NFScalarize.scalarize: time 0.004046/0.434, allocations: 2.452 MB / 1.123 GB, free: 1.789 MB / 0.8731 GB Notification: Performance of NFVerifyModel.verify: time 0.005526/0.4395, allocations: 2.381 MB / 1.126 GB, free: 15.39 MB / 0.8887 GB Notification: Performance of NFConvertDAE.convert: time 0.01137/0.4509, allocations: 8.484 MB / 1.134 GB, free: 6.891 MB / 0.8887 GB Notification: Performance of FrontEnd - DAE generated: time 6.703e-06/0.451, allocations: 0 / 1.134 GB, free: 6.891 MB / 0.8887 GB Notification: Performance of FrontEnd: time 2.525e-06/0.451, allocations: 0 / 1.134 GB, free: 6.891 MB / 0.8887 GB Notification: Performance of Transformations before backend: time 0.0002768/0.4513, allocations: 0 / 1.134 GB, free: 6.891 MB / 0.8887 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 0.01217/0.4635, allocations: 4.067 MB / 1.138 GB, free: 2.762 MB / 0.8887 GB Notification: Performance of prepare preOptimizeDAE: time 4.001e-05/0.4635, allocations: 12.03 kB / 1.138 GB, free: 2.75 MB / 0.8887 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01414/0.4777, allocations: 2.438 MB / 1.14 GB, free: 312 kB / 0.8887 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005502/0.4832, allocations: 2.296 MB / 1.142 GB, free: 13.96 MB / 0.9044 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003049/0.4835, allocations: 292.2 kB / 1.143 GB, free: 13.68 MB / 0.9044 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001547/0.4851, allocations: 387.9 kB / 1.143 GB, free: 13.3 MB / 0.9044 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01837/0.5035, allocations: 7.662 MB / 1.151 GB, free: 5.52 MB / 0.9044 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.000143/0.5037, allocations: 7.938 kB / 1.151 GB, free: 5.512 MB / 0.9044 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001231/0.5049, allocations: 160 kB / 1.151 GB, free: 5.355 MB / 0.9044 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005449/0.5055, allocations: 346.6 kB / 1.151 GB, free: 5.016 MB / 0.9044 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01754/0.523, allocations: 7.292 MB / 1.158 GB, free: 13.71 MB / 0.92 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 0.03904/0.5621, allocations: 28.54 MB / 1.186 GB, free: 14.79 MB / 0.9512 GB Notification: Performance of preOpt comSubExp (simulation): time 0.007552/0.5697, allocations: 3.67 MB / 1.19 GB, free: 10.96 MB / 0.9512 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.004964/0.5747, allocations: 2.011 MB / 1.192 GB, free: 8.93 MB / 0.9512 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002965/0.575, allocations: 126.3 kB / 1.192 GB, free: 8.785 MB / 0.9512 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.156e-05/0.5751, allocations: 55.88 kB / 1.192 GB, free: 8.723 MB / 0.9512 GB Notification: Performance of pre-optimization done (n=176): time 4.188e-06/0.5751, allocations: 0 / 1.192 GB, free: 8.723 MB / 0.9512 GB Notification: Performance of matching and sorting (n=221): time 0.08517/0.6603, allocations: 24.93 MB / 1.216 GB, free: 15.69 MB / 0.9825 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001127/0.6604, allocations: 227.6 kB / 1.216 GB, free: 15.42 MB / 0.9825 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00264/0.6631, allocations: 1.618 MB / 1.218 GB, free: 13.79 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 0.0004321/0.6635, allocations: 61.7 kB / 1.218 GB, free: 13.72 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.001185/0.6647, allocations: 1.724 MB / 1.22 GB, free: 11.97 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 0.001017/0.6657, allocations: 0.7588 MB / 1.22 GB, free: 11.2 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001567/0.6673, allocations: 0.6392 MB / 1.221 GB, free: 10.55 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 9.473e-05/0.6674, allocations: 301.1 kB / 1.221 GB, free: 10.25 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.005822/0.6733, allocations: 2.506 MB / 1.224 GB, free: 7.738 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.006624/0.6799, allocations: 3.593 MB / 1.227 GB, free: 3.645 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.01229/0.6922, allocations: 6.186 MB / 1.233 GB, free: 12.97 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.305e-05/0.6923, allocations: 12 kB / 1.233 GB, free: 12.96 MB / 0.9981 GB Notification: Performance of matching and sorting (n=400) (initialization): time 0.02876/0.721, allocations: 9.994 MB / 1.243 GB, free: 2.938 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 7.775e-05/0.7212, allocations: 21.56 kB / 1.243 GB, free: 2.918 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.915e-05/0.7213, allocations: 39.94 kB / 1.243 GB, free: 2.879 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.6973/1.419, allocations: 5.163 MB / 1.248 GB, free: 163.2 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00709/1.426, allocations: 1.036 MB / 1.249 GB, free: 163.2 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.05796/1.484, allocations: 21.12 MB / 1.27 GB, free: 156.4 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00613/1.49, allocations: 0.5915 MB / 1.27 GB, free: 156.4 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0008157/1.491, allocations: 169.3 kB / 1.271 GB, free: 156.4 MB / 0.9981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.008936/1.5, allocations: 3.899 MB / 1.274 GB, free: 155.1 MB / 0.9981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.006586/1.506, allocations: 3.563 MB / 1.278 GB, free: 153 MB / 0.9981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.01232/1.519, allocations: 6.115 MB / 1.284 GB, free: 149.8 MB / 0.9981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.318e-05/1.519, allocations: 14.28 kB / 1.284 GB, free: 149.8 MB / 0.9981 GB Notification: Performance of matching and sorting (n=400) (initialization_lambda0): time 0.02255/1.541, allocations: 8.462 MB / 1.292 GB, free: 147.6 MB / 0.9981 GB Notification: Performance of prepare postOptimizeDAE: time 5.596e-05/1.541, allocations: 20.28 kB / 1.292 GB, free: 147.6 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.126e-05/1.541, allocations: 35.25 kB / 1.292 GB, free: 147.6 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01211/1.554, allocations: 3.223 MB / 1.295 GB, free: 146.4 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.005072/1.559, allocations: 1.148 MB / 1.296 GB, free: 146 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01794/1.577, allocations: 11.46 MB / 1.308 GB, free: 138.9 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004971/1.582, allocations: 0.5672 MB / 1.308 GB, free: 138.6 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000633/1.582, allocations: 158.4 kB / 1.308 GB, free: 138.6 MB / 0.9981 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 0.001198/1.584, allocations: 383 kB / 1.309 GB, free: 138.3 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008448/1.584, allocations: 205.3 kB / 1.309 GB, free: 138.2 MB / 0.9981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.02285/1.607, allocations: 8.7 MB / 1.317 GB, free: 130.4 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.495e-05/1.607, allocations: 28 kB / 1.317 GB, free: 130.4 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.973e-05/1.607, allocations: 8 kB / 1.317 GB, free: 130.4 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.615e-05/1.607, allocations: 16.61 kB / 1.317 GB, free: 130.3 MB / 0.9981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.03026/1.638, allocations: 14.54 MB / 1.332 GB, free: 115.6 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.02e-05/1.638, allocations: 5.641 kB / 1.332 GB, free: 115.6 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003224/1.641, allocations: 0.7179 MB / 1.332 GB, free: 114.9 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01684/1.658, allocations: 4.83 MB / 1.337 GB, free: 110.1 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005267/1.658, allocations: 63.95 kB / 1.337 GB, free: 110 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0285/1.687, allocations: 19.98 MB / 1.357 GB, free: 89.76 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.746e-06/1.687, allocations: 15.78 kB / 1.357 GB, free: 89.75 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02176/1.709, allocations: 8.772 MB / 1.365 GB, free: 80.84 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001815/1.711, allocations: 0.6422 MB / 1.366 GB, free: 80.18 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009137/1.711, allocations: 51.94 kB / 1.366 GB, free: 80.13 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.004094/1.716, allocations: 0.5031 MB / 1.366 GB, free: 79.63 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008814/1.716, allocations: 177.6 kB / 1.367 GB, free: 79.45 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003751/1.717, allocations: 79.95 kB / 1.367 GB, free: 79.38 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.00191/1.719, allocations: 1.093 MB / 1.368 GB, free: 78.28 MB / 0.9981 GB Notification: Performance of sort global known variables: time 2.4e-07/1.719, allocations: 0 / 1.368 GB, free: 78.28 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.007496/1.726, allocations: 1.742 MB / 1.369 GB, free: 76.54 MB / 0.9981 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 0.0005433/1.727, allocations: 163.2 kB / 1.37 GB, free: 76.37 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.02735/1.754, allocations: 12.25 MB / 1.382 GB, free: 64.12 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 1.097e-05/1.754, allocations: 4.062 kB / 1.382 GB, free: 64.12 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.009297/1.764, allocations: 3.826 MB / 1.385 GB, free: 60.27 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002463/1.766, allocations: 261.9 kB / 1.385 GB, free: 60.02 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02413/1.79, allocations: 9.458 MB / 1.395 GB, free: 50.46 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003765/1.794, allocations: 2.895 MB / 1.398 GB, free: 47.53 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.005699/1.8, allocations: 1.683 MB / 1.399 GB, free: 45.86 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007664/1.801, allocations: 175.3 kB / 1.399 GB, free: 45.69 MB / 0.9981 GB Notification: Performance of SimCode: time 1.172e-06/1.801, allocations: 0 / 1.399 GB, free: 45.69 MB / 0.9981 GB Notification: Performance of Templates: time 0.09257/1.893, allocations: 65.81 MB / 1.464 GB, free: 12.05 MB / 1.029 GB make -j1 -f Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.makefile (rm -f Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.pipe ; mkfifo Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.pipe ; head -c 1048576 < Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.pipe >> ../files/Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.sim & ./Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_1.6_Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepDown.YY.pipe 2>&1)