Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.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: translateModel(IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams") translateModel(IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001062/0.001062, allocations: 112.2 kB / 17.04 MB, free: 5.812 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001077/0.001077, allocations: 195 kB / 17.98 MB, free: 5.027 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.298/1.298, allocations: 222.9 MB / 241.7 MB, free: 15.17 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7102/0.7102, allocations: 115.1 MB / 406.9 MB, free: 6.297 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001312/0.001312, allocations: 63.84 kB / 494.8 MB, free: 15.82 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3129/0.3142, allocations: 76.14 MB / 0.5576 GB, free: 36.7 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams): time 0.4897/0.804, allocations: 214.2 MB / 0.7667 GB, free: 1.781 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.01035/0.8144, allocations: 7.052 MB / 0.7736 GB, free: 1.684 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001649/0.816, allocations: 44.56 kB / 0.7737 GB, free: 1.684 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.001832/0.8179, allocations: 0.785 MB / 0.7744 GB, free: 1.672 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.006265/0.8242, allocations: 2.514 MB / 0.7769 GB, free: 1.574 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.003012/0.8272, allocations: 1.174 MB / 0.778 GB, free: 1.543 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.003914/0.8312, allocations: 2.829 MB / 0.7808 GB, free: 1.539 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001578/0.8327, allocations: 1.082 MB / 0.7818 GB, free: 1.426 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00419/0.8369, allocations: 1.992 MB / 0.7838 GB, free: 1.398 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001984/0.8389, allocations: 0.9355 MB / 0.7847 GB, free: 1.395 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0002263/0.8392, allocations: 119.6 kB / 0.7848 GB, free: 1.395 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004602/0.8438, allocations: 2.457 MB / 0.7872 GB, free: 1.367 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0004305/0.8442, allocations: 424.1 kB / 0.7876 GB, free: 1.363 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.0008473/0.8451, allocations: 0.6859 MB / 0.7883 GB, free: 1.363 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.003463/0.8486, allocations: 2.503 MB / 0.7907 GB, free: 1.129 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 3.487e-06/0.8486, allocations: 1 kB / 0.7907 GB, free: 1.129 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.633e-06/0.8486, allocations: 0 / 0.7907 GB, free: 1.129 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 2.329e-05/0.8486, allocations: 0 / 0.7907 GB, free: 1.129 MB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 209 * Number of variables: 209 Notification: Performance of Generate backend data structure: time 0.004174/0.8528, allocations: 1.843 MB / 0.7925 GB, free: 16.21 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 3.709e-05/0.8529, allocations: 13.08 kB / 0.7925 GB, free: 16.21 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002996/0.8559, allocations: 0.5484 MB / 0.7931 GB, free: 16.13 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001873/0.8577, allocations: 1.005 MB / 0.7941 GB, free: 15.79 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.981e-05/0.8578, allocations: 67.94 kB / 0.7941 GB, free: 15.78 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001376/0.858, allocations: 85.27 kB / 0.7942 GB, free: 15.78 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002414/0.8604, allocations: 1.225 MB / 0.7954 GB, free: 15.72 MB / 0.5919 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.901e-05/0.8604, allocations: 0 / 0.7954 GB, free: 15.72 MB / 0.5919 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.776e-05/0.8605, allocations: 37.58 kB / 0.7954 GB, free: 15.72 MB / 0.5919 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.929e-05/0.8606, allocations: 45.3 kB / 0.7955 GB, free: 15.72 MB / 0.5919 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003266/0.8638, allocations: 1.527 MB / 0.797 GB, free: 15.71 MB / 0.5919 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 0.006156/0.87, allocations: 4.034 MB / 0.8009 GB, free: 14.13 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002188/0.8722, allocations: 0.9675 MB / 0.8019 GB, free: 14.11 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001378/0.8736, allocations: 0.6518 MB / 0.8025 GB, free: 14.1 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001144/0.8748, allocations: 0.6116 MB / 0.8031 GB, free: 13.54 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.3e-05/0.8748, allocations: 48.03 kB / 0.8031 GB, free: 13.49 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=76): time 3.146e-06/0.8748, allocations: 0.5625 kB / 0.8031 GB, free: 13.49 MB / 0.5919 GB Notification: Performance of matching and sorting (n=76): time 0.004709/0.8795, allocations: 1.786 MB / 0.8049 GB, free: 13.38 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.131e-05/0.8796, allocations: 62.27 kB / 0.8049 GB, free: 13.31 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001007/0.8806, allocations: 0.8248 MB / 0.8057 GB, free: 13.16 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.0001253/0.8808, allocations: 38.92 kB / 0.8058 GB, free: 13.13 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002973/0.8811, allocations: 449.8 kB / 0.8062 GB, free: 12.96 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002147/0.8813, allocations: 262.5 kB / 0.8065 GB, free: 12.79 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002795/0.8816, allocations: 149.3 kB / 0.8066 GB, free: 12.77 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001147/0.8817, allocations: 337.2 kB / 0.8069 GB, free: 12.46 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001298/0.883, allocations: 0.5219 MB / 0.8074 GB, free: 12.45 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001406/0.8844, allocations: 0.646 MB / 0.8081 GB, free: 12.35 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002524/0.887, allocations: 1.118 MB / 0.8092 GB, free: 12.25 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.208e-06/0.887, allocations: 0 / 0.8092 GB, free: 12.25 MB / 0.5919 GB Notification: Performance of matching and sorting (n=84) (initialization): time 0.003058/0.89, allocations: 1.321 MB / 0.8104 GB, free: 12.11 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 4.371e-05/0.8901, allocations: 40.77 kB / 0.8105 GB, free: 12.07 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.133e-06/0.8901, allocations: 0 / 0.8105 GB, free: 12.07 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.721e-05/0.8901, allocations: 4.312 kB / 0.8105 GB, free: 12.07 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001499/0.8916, allocations: 251.6 kB / 0.8107 GB, free: 12.06 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006698/0.8923, allocations: 1.19 MB / 0.8119 GB, free: 10.89 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001112/0.8935, allocations: 149 kB / 0.812 GB, free: 10.85 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.569e-05/0.8936, allocations: 32.75 kB / 0.8121 GB, free: 10.85 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001674/0.8952, allocations: 0.7451 MB / 0.8128 GB, free: 10.76 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001465/0.8967, allocations: 0.6489 MB / 0.8134 GB, free: 10.6 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002541/0.8993, allocations: 1.108 MB / 0.8145 GB, free: 10.34 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.956e-06/0.8993, allocations: 0 / 0.8145 GB, free: 10.34 MB / 0.5919 GB Notification: Performance of matching and sorting (n=84) (initialization_lambda0): time 0.003108/0.9024, allocations: 1.318 MB / 0.8158 GB, free: 10 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 3.657e-05/0.9025, allocations: 39.56 kB / 0.8158 GB, free: 9.969 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.509e-06/0.9025, allocations: 3.938 kB / 0.8158 GB, free: 9.965 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.891e-06/0.9025, allocations: 5.469 kB / 0.8158 GB, free: 9.965 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001197/0.9037, allocations: 223.8 kB / 0.8161 GB, free: 9.91 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.848e-06/0.9037, allocations: 9.625 kB / 0.8161 GB, free: 9.906 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001115/0.9048, allocations: 133.1 kB / 0.8162 GB, free: 9.852 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.097e-05/0.9049, allocations: 37.92 kB / 0.8162 GB, free: 9.84 MB / 0.5919 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 2 (hex.i2_w,hex.i1_w) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (83): * Single equations (assignments): 80 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0002831/0.9052, allocations: 216.5 kB / 0.8164 GB, free: 9.66 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001966/0.9054, allocations: 107.2 kB / 0.8165 GB, free: 9.605 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00326/0.9087, allocations: 1.351 MB / 0.8179 GB, free: 9.254 MB / 0.5919 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.428e-06/0.9087, allocations: 11.16 kB / 0.8179 GB, free: 9.25 MB / 0.5919 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.881e-06/0.9087, allocations: 0 / 0.8179 GB, free: 9.25 MB / 0.5919 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.215e-06/0.9087, allocations: 3.984 kB / 0.8179 GB, free: 9.246 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005285/0.914, allocations: 2.838 MB / 0.8206 GB, free: 8.188 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.833e-06/0.9141, allocations: 5.281 kB / 0.8207 GB, free: 8.188 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001223/0.9153, allocations: 225.5 kB / 0.8209 GB, free: 8.133 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.606e-06/0.9153, allocations: 8.5 kB / 0.8209 GB, free: 8.133 MB / 0.5919 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.297e-05/0.9154, allocations: 25.77 kB / 0.8209 GB, free: 8.129 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000546/0.9159, allocations: 1.193 MB / 0.8221 GB, free: 6.945 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.771e-06/0.9159, allocations: 5.812 kB / 0.8221 GB, free: 6.945 MB / 0.5919 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003061/0.919, allocations: 1.458 MB / 0.8235 GB, free: 6.391 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005714/0.9196, allocations: 305.4 kB / 0.8238 GB, free: 6.195 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001417/0.9197, allocations: 15 kB / 0.8238 GB, free: 6.195 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001133/0.9209, allocations: 107.7 kB / 0.8239 GB, free: 6.156 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001368/0.921, allocations: 65.73 kB / 0.824 GB, free: 6.133 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.974e-05/0.9211, allocations: 29.36 kB / 0.824 GB, free: 6.129 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.0006782/0.9218, allocations: 0.5732 MB / 0.8246 GB, free: 5.934 MB / 0.5919 GB Notification: Performance of sort global known variables: time 2.11e-07/0.9218, allocations: 2.281 kB / 0.8246 GB, free: 5.934 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.001241/0.9231, allocations: 0.5371 MB / 0.8251 GB, free: 5.867 MB / 0.5919 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 16 * 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 (76): * Single equations (assignments): 74 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0005516/0.9236, allocations: 268.8 kB / 0.8253 GB, free: 5.723 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.004918/0.9285, allocations: 2.008 MB / 0.8273 GB, free: 4.914 MB / 0.5919 GB Notification: Performance of simCode: created event and clocks part: time 5.28e-06/0.9286, allocations: 0 / 0.8273 GB, free: 4.914 MB / 0.5919 GB Notification: Performance of simCode: created simulation system equations: time 0.001669/0.9302, allocations: 0.6659 MB / 0.8279 GB, free: 4.27 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002312/0.9326, allocations: 0.4918 MB / 0.8284 GB, free: 3.793 MB / 0.5919 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004037/0.9366, allocations: 2.058 MB / 0.8304 GB, free: 1.668 MB / 0.5919 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006128/0.9372, allocations: 1.098 MB / 0.8315 GB, free: 0.5352 MB / 0.5919 GB Notification: Performance of simCode: alias equations: time 0.001362/0.9386, allocations: 387.5 kB / 0.8319 GB, free: 156 kB / 0.5919 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003271/0.939, allocations: 87.41 kB / 0.832 GB, free: 72 kB / 0.5919 GB Notification: Performance of SimCode: time 6.71e-07/0.939, allocations: 0 / 0.832 GB, free: 72 kB / 0.5919 GB Notification: Performance of Templates: time 0.03372/0.9727, allocations: 20.97 MB / 0.8524 GB, free: 11.48 MB / 0.6231 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.makefile (rm -f IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.sim & ./IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe 2>&1)