Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) 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) 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 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: "" <> buildModelFMU(Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow,fileNamePrefix="Buildings_8_Buildings_Fluid_MassExchangers_Validation_ConstantEffectivenessZeroFlow",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow,fileNamePrefix="Buildings_8_Buildings_Fluid_MassExchangers_Validation_ConstantEffectivenessZeroFlow",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001343/0.001343, 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 0.001551/0.00155, allocations: 194.3 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.497/1.497, allocations: 205.1 MB / 222.4 MB, free: 4.609 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.725/1.725, allocations: 292.3 MB / 0.5489 GB, free: 12.83 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001548/0.001548, allocations: 68.52 kB / 0.6716 GB, free: 26.23 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2589/0.2604, allocations: 114.5 MB / 0.7835 GB, free: 13.38 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow): time 0.7338/0.9943, allocations: 214.2 MB / 0.9927 GB, free: 12.48 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.01228/1.007, allocations: 6.951 MB / 0.9995 GB, free: 9.168 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002613/1.009, allocations: 47.53 kB / 0.9995 GB, free: 9.148 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.002807/1.012, allocations: 0.7849 MB / 1 GB, free: 8.543 MB / 0.7325 GB Notification: Performance of NFTyping.typeBindings: time 0.008633/1.021, allocations: 2.491 MB / 1.003 GB, free: 6.988 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.003538/1.024, allocations: 1.161 MB / 1.004 GB, free: 6.25 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.00433/1.029, allocations: 2.781 MB / 1.007 GB, free: 4.742 MB / 0.7325 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001821/1.031, allocations: 1.096 MB / 1.008 GB, free: 4.074 MB / 0.7325 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004866/1.035, allocations: 1.973 MB / 1.01 GB, free: 2.984 MB / 0.7325 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002322/1.038, allocations: 0.9394 MB / 1.01 GB, free: 2.492 MB / 0.7325 GB Notification: Performance of NFPackage.collectConstants: time 0.0002571/1.038, allocations: 117.6 kB / 1.011 GB, free: 2.492 MB / 0.7325 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005196/1.043, allocations: 2.445 MB / 1.013 GB, free: 1.41 MB / 0.7325 GB Notification: Performance of NFScalarize.scalarize: time 0.0005289/1.044, allocations: 428.4 kB / 1.013 GB, free: 1.113 MB / 0.7325 GB Notification: Performance of NFVerifyModel.verify: time 0.001089/1.045, allocations: 0.6895 MB / 1.014 GB, free: 0.6602 MB / 0.7325 GB Notification: Performance of NFConvertDAE.convert: time 0.005915/1.051, allocations: 2.471 MB / 1.016 GB, free: 15.2 MB / 0.7481 GB Notification: Performance of FrontEnd - DAE generated: time 5.74e-06/1.051, allocations: 0 / 1.016 GB, free: 15.2 MB / 0.7481 GB Notification: Performance of FrontEnd: time 2.305e-06/1.051, allocations: 4 kB / 1.016 GB, free: 15.2 MB / 0.7481 GB Notification: Performance of Transformations before backend: time 3.221e-05/1.051, allocations: 0 / 1.016 GB, free: 15.2 MB / 0.7481 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 0.005192/1.056, allocations: 1.844 MB / 1.018 GB, free: 13.84 MB / 0.7481 GB Notification: Performance of prepare preOptimizeDAE: time 4.679e-05/1.056, allocations: 10.41 kB / 1.018 GB, free: 13.84 MB / 0.7481 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001622/1.056, allocations: 140.7 kB / 1.018 GB, free: 13.72 MB / 0.7481 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003129/1.059, allocations: 0.5367 MB / 1.019 GB, free: 13.48 MB / 0.7481 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001833/1.061, allocations: 0.9584 MB / 1.02 GB, free: 12.73 MB / 0.7481 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000672/1.062, allocations: 179.1 kB / 1.02 GB, free: 12.66 MB / 0.7481 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001434/1.062, allocations: 90 kB / 1.02 GB, free: 12.63 MB / 0.7481 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002798/1.065, allocations: 1.23 MB / 1.021 GB, free: 11.95 MB / 0.7481 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.937e-05/1.065, allocations: 0 / 1.021 GB, free: 11.95 MB / 0.7481 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000103/1.065, allocations: 29.22 kB / 1.021 GB, free: 11.93 MB / 0.7481 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.546e-05/1.065, allocations: 53.14 kB / 1.021 GB, free: 11.91 MB / 0.7481 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003754/1.069, allocations: 1.548 MB / 1.023 GB, free: 11.16 MB / 0.7481 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 0.007596/1.077, allocations: 4.085 MB / 1.027 GB, free: 7.867 MB / 0.7481 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002615/1.079, allocations: 0.9944 MB / 1.028 GB, free: 7.383 MB / 0.7481 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00153/1.081, allocations: 0.6732 MB / 1.029 GB, free: 7.055 MB / 0.7481 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001138/1.082, allocations: 0.6156 MB / 1.029 GB, free: 6.43 MB / 0.7481 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.568e-05/1.082, allocations: 41.75 kB / 1.029 GB, free: 6.383 MB / 0.7481 GB Notification: Performance of pre-optimization done (n=76): time 3.788e-06/1.082, allocations: 0 / 1.029 GB, free: 6.383 MB / 0.7481 GB Notification: Performance of matching and sorting (n=76): time 0.00515/1.087, allocations: 1.808 MB / 1.031 GB, free: 5.523 MB / 0.7481 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.76e-05/1.087, allocations: 56.81 kB / 1.031 GB, free: 5.461 MB / 0.7481 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001112/1.088, allocations: 0.8243 MB / 1.032 GB, free: 4.98 MB / 0.7481 GB Notification: Performance of collectPreVariables (initialization): time 0.0001337/1.088, allocations: 41.48 kB / 1.032 GB, free: 4.941 MB / 0.7481 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003593/1.089, allocations: 443.2 kB / 1.032 GB, free: 4.559 MB / 0.7481 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002472/1.089, allocations: 262.2 kB / 1.033 GB, free: 4.336 MB / 0.7481 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002825/1.089, allocations: 158.3 kB / 1.033 GB, free: 4.242 MB / 0.7481 GB Notification: Performance of setup shared object (initialization): time 0.0001285/1.09, allocations: 337.7 kB / 1.033 GB, free: 3.914 MB / 0.7481 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001438/1.091, allocations: 0.543 MB / 1.034 GB, free: 3.645 MB / 0.7481 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00153/1.093, allocations: 0.6581 MB / 1.034 GB, free: 3.266 MB / 0.7481 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002964/1.095, allocations: 1.156 MB / 1.035 GB, free: 2.652 MB / 0.7481 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.268e-06/1.096, allocations: 0 / 1.035 GB, free: 2.652 MB / 0.7481 GB Notification: Performance of matching and sorting (n=87) (initialization): time 0.003596/1.099, allocations: 1.361 MB / 1.037 GB, free: 1.277 MB / 0.7481 GB Notification: Performance of prepare postOptimizeDAE: time 4.997e-05/1.099, allocations: 37.7 kB / 1.037 GB, free: 1.234 MB / 0.7481 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.556e-06/1.099, allocations: 0 / 1.037 GB, free: 1.234 MB / 0.7481 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.105e-05/1.099, allocations: 4 kB / 1.037 GB, free: 1.23 MB / 0.7481 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001595/1.101, allocations: 263.7 kB / 1.037 GB, free: 0.9727 MB / 0.7481 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008201/1.102, allocations: 1.195 MB / 1.038 GB, free: 15.73 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001364/1.103, allocations: 151.8 kB / 1.038 GB, free: 15.58 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001031/1.103, allocations: 35.97 kB / 1.038 GB, free: 15.55 MB / 0.7637 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001998/1.105, allocations: 0.7673 MB / 1.039 GB, free: 14.77 MB / 0.7637 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001591/1.107, allocations: 0.6559 MB / 1.04 GB, free: 14.09 MB / 0.7637 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002845/1.11, allocations: 1.135 MB / 1.041 GB, free: 12.93 MB / 0.7637 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.138e-06/1.11, allocations: 7.938 kB / 1.041 GB, free: 12.92 MB / 0.7637 GB Notification: Performance of matching and sorting (n=87) (initialization_lambda0): time 0.003593/1.113, allocations: 1.357 MB / 1.042 GB, free: 11.55 MB / 0.7637 GB Notification: Performance of prepare postOptimizeDAE: time 4.309e-05/1.113, allocations: 37.7 kB / 1.042 GB, free: 11.5 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.673e-06/1.113, allocations: 4 kB / 1.042 GB, free: 11.5 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.352e-05/1.113, allocations: 4 kB / 1.042 GB, free: 11.5 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001248/1.115, allocations: 231.8 kB / 1.042 GB, free: 11.27 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.355e-05/1.115, allocations: 11.92 kB / 1.042 GB, free: 11.26 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001232/1.116, allocations: 135.3 kB / 1.043 GB, free: 11.12 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.344e-05/1.116, allocations: 35.98 kB / 1.043 GB, free: 11.09 MB / 0.7637 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * 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 (86): * Single equations (assignments): 83 * 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 0.0003203/1.116, allocations: 226.9 kB / 1.043 GB, free: 10.86 MB / 0.7637 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002177/1.116, allocations: 106.7 kB / 1.043 GB, free: 10.76 MB / 0.7637 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003773/1.12, allocations: 1.359 MB / 1.044 GB, free: 9.391 MB / 0.7637 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.147e-05/1.12, allocations: 8 kB / 1.044 GB, free: 9.383 MB / 0.7637 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.622e-06/1.12, allocations: 0 / 1.044 GB, free: 9.383 MB / 0.7637 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.538e-06/1.12, allocations: 3.984 kB / 1.044 GB, free: 9.379 MB / 0.7637 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005746/1.126, allocations: 2.862 MB / 1.047 GB, free: 6.43 MB / 0.7637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.356e-06/1.126, allocations: 4 kB / 1.047 GB, free: 6.426 MB / 0.7637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001266/1.127, allocations: 234.4 kB / 1.047 GB, free: 6.199 MB / 0.7637 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.348e-05/1.127, allocations: 8 kB / 1.047 GB, free: 6.191 MB / 0.7637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.685e-05/1.127, allocations: 19.98 kB / 1.047 GB, free: 6.172 MB / 0.7637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006885/1.128, allocations: 1.203 MB / 1.048 GB, free: 4.922 MB / 0.7637 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.594e-06/1.128, allocations: 4 kB / 1.048 GB, free: 4.918 MB / 0.7637 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003643/1.132, allocations: 1.463 MB / 1.05 GB, free: 3.395 MB / 0.7637 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006194/1.132, allocations: 319.6 kB / 1.05 GB, free: 3.062 MB / 0.7637 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001447/1.133, allocations: 15.94 kB / 1.05 GB, free: 3.047 MB / 0.7637 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00114/1.134, allocations: 115.9 kB / 1.05 GB, free: 2.934 MB / 0.7637 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001496/1.134, allocations: 60.38 kB / 1.05 GB, free: 2.875 MB / 0.7637 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.903e-05/1.134, allocations: 35.97 kB / 1.05 GB, free: 2.84 MB / 0.7637 GB Notification: Performance of sorting global known variables: time 0.0008146/1.135, allocations: 0.57 MB / 1.051 GB, free: 2.258 MB / 0.7637 GB Notification: Performance of sort global known variables: time 1.4e-07/1.135, allocations: 0 / 1.051 GB, free: 2.258 MB / 0.7637 GB Notification: Performance of remove unused functions: time 0.001388/1.136, allocations: 0.534 MB / 1.051 GB, free: 1.723 MB / 0.7637 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 0.004378/1.141, allocations: 2.186 MB / 1.054 GB, free: 15.48 MB / 0.7794 GB Notification: Performance of simCode: created initialization part: time 0.005807/1.146, allocations: 2.143 MB / 1.056 GB, free: 13.32 MB / 0.7794 GB Notification: Performance of simCode: created event and clocks part: time 7.744e-06/1.146, allocations: 0 / 1.056 GB, free: 13.32 MB / 0.7794 GB Notification: Performance of simCode: created simulation system equations: time 0.001782/1.148, allocations: 0.6637 MB / 1.056 GB, free: 12.65 MB / 0.7794 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002512/1.151, allocations: 0.5065 MB / 1.057 GB, free: 12.15 MB / 0.7794 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01783/1.169, allocations: 9.078 MB / 1.066 GB, free: 2.734 MB / 0.7794 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007482/1.169, allocations: 1.094 MB / 1.067 GB, free: 1.609 MB / 0.7794 GB Notification: Performance of simCode: alias equations: time 0.001813/1.171, allocations: 395.4 kB / 1.067 GB, free: 1.219 MB / 0.7794 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006353/1.172, allocations: 395.3 kB / 1.068 GB, free: 0.832 MB / 0.7794 GB Notification: Performance of SimCode: time 1.022e-06/1.172, allocations: 0 / 1.068 GB, free: 0.832 MB / 0.7794 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05954/1.231, allocations: 28.57 MB / 1.095 GB, free: 4.742 MB / 0.8106 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.89/13.12, allocations: 5.922 kB / 1.095 GB, free: 4.738 MB / 0.8106 GB (rm -f Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.pipe ; mkfifo Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.pipe >> ../files/Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.sim & python3 -m fmpy simulate --output-file Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 Buildings_8_Buildings_Fluid_MassExchangers_Validation_ConstantEffectivenessZeroFlow.fmu > Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.pipe 2>&1)