Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo)
Running command: "" <> buildModelFMU(Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Fluid_MassExchangers_Validation_ConstantEffectivenessZeroFlowBothStreams",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Fluid_MassExchangers_Validation_ConstantEffectivenessZeroFlowBothStreams",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.478/1.478, allocations: 252 MB / 267.3 MB, free: 10.85 MB / 218.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001114/0.001113, allocations: 182.7 kB / 327 MB, free: 2.09 MB / 250.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 2.011/2.011, allocations: 205.4 MB / 0.578 GB, free: 20.18 MB / 426.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.000976/0.0009762, allocations: 86.23 kB / 0.6826 GB, free: 12.74 MB / 0.5105 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004642/0.0004645, allocations: 12.86 kB / 0.7971 GB, free: 135.2 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2636/0.2641, allocations: 106.3 MB / 0.9009 GB, free: 63.4 MB / 0.6042 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams): time 0.8496/1.114, allocations: 209.5 MB / 1.106 GB, free: 1.367 MB / 0.698 GB
Notification: Performance of NFInst.instExpressions: time 0.01199/1.126, allocations: 7.086 MB / 1.112 GB, free: 1.168 MB / 0.698 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.00228/1.128, allocations: 39.66 kB / 1.112 GB, free: 1.168 MB / 0.698 GB
Notification: Performance of NFTyping.typeComponents: time 0.002231/1.13, allocations: 0.6575 MB / 1.113 GB, free: 1.152 MB / 0.698 GB
Notification: Performance of NFTyping.typeBindings: time 0.008548/1.139, allocations: 2.481 MB / 1.116 GB, free: 1.02 MB / 0.698 GB
Notification: Performance of NFTyping.typeClassSections: time 0.003827/1.143, allocations: 1.071 MB / 1.117 GB, free: 0.9727 MB / 0.698 GB
Notification: Performance of NFFlatten.flatten: time 0.006109/1.149, allocations: 3.724 MB / 1.12 GB, free: 0.9648 MB / 0.698 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.001551/1.15, allocations: 0.8893 MB / 1.121 GB, free: 0.8281 MB / 0.698 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004571/1.155, allocations: 1.631 MB / 1.123 GB, free: 0.8008 MB / 0.698 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002786/1.158, allocations: 0.9646 MB / 1.124 GB, free: 0.7812 MB / 0.698 GB
Notification: Performance of NFPackage.collectConstants: time 0.0001943/1.158, allocations: 46.88 kB / 1.124 GB, free: 0.7812 MB / 0.698 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.005909/1.164, allocations: 2.798 MB / 1.126 GB, free: 0.7578 MB / 0.698 GB
Notification: Performance of NFScalarize.scalarize: time 0.0005692/1.165, allocations: 348.4 kB / 1.127 GB, free: 0.7539 MB / 0.698 GB
Notification: Performance of NFVerifyModel.verify: time 0.001199/1.166, allocations: 0.6308 MB / 1.127 GB, free: 16.72 MB / 0.7136 GB
Notification: Performance of NFConvertDAE.convert: time 0.004967/1.171, allocations: 2.528 MB / 1.13 GB, free: 16.48 MB / 0.7136 GB
Notification: Performance of FrontEnd - DAE generated: time 5.971e-06/1.171, allocations: 0 / 1.13 GB, free: 16.48 MB / 0.7136 GB
Notification: Performance of FrontEnd: time 2.174e-06/1.171, allocations: 0 / 1.13 GB, free: 16.48 MB / 0.7136 GB
Notification: Performance of Transformations before backend: time 2.096e-05/1.171, allocations: 0 / 1.13 GB, free: 16.48 MB / 0.7136 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 0.00449/1.175, allocations: 1.602 MB / 1.131 GB, free: 15.58 MB / 0.7136 GB
Notification: Performance of prepare preOptimizeDAE: time 6.226e-05/1.175, allocations: 10.56 kB / 1.131 GB, free: 15.58 MB / 0.7136 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002054/1.176, allocations: 134.3 kB / 1.132 GB, free: 15.54 MB / 0.7136 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003062/1.179, allocations: 0.5883 MB / 1.132 GB, free: 15.44 MB / 0.7136 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002123/1.181, allocations: 0.9527 MB / 1.133 GB, free: 15.1 MB / 0.7136 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006567/1.182, allocations: 201.1 kB / 1.133 GB, free: 15.09 MB / 0.7136 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.000144/1.182, allocations: 84.61 kB / 1.133 GB, free: 15.09 MB / 0.7136 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.003241/1.185, allocations: 1.271 MB / 1.135 GB, free: 15.01 MB / 0.7136 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.097e-05/1.185, allocations: 0 / 1.135 GB, free: 15.01 MB / 0.7136 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001141/1.185, allocations: 37.5 kB / 1.135 GB, free: 15.01 MB / 0.7136 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000109/1.185, allocations: 41.53 kB / 1.135 GB, free: 15 MB / 0.7136 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004475/1.19, allocations: 1.62 MB / 1.136 GB, free: 14.97 MB / 0.7136 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 0.007204/1.197, allocations: 4.096 MB / 1.14 GB, free: 12.93 MB / 0.7136 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.002518/1.199, allocations: 1.052 MB / 1.141 GB, free: 12.72 MB / 0.7136 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001567/1.201, allocations: 0.6928 MB / 1.142 GB, free: 12.59 MB / 0.7136 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001283/1.202, allocations: 0.6394 MB / 1.143 GB, free: 11.96 MB / 0.7136 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.318e-05/1.202, allocations: 47.88 kB / 1.143 GB, free: 11.92 MB / 0.7136 GB
Notification: Performance of pre-optimization done (n=76): time 4.578e-06/1.202, allocations: 0 / 1.143 GB, free: 11.92 MB / 0.7136 GB
Notification: Performance of matching and sorting (n=76): time 0.005139/1.208, allocations: 1.923 MB / 1.144 GB, free: 11.48 MB / 0.7136 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.356e-05/1.208, allocations: 60.31 kB / 1.145 GB, free: 11.42 MB / 0.7136 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001206/1.209, allocations: 0.8164 MB / 1.145 GB, free: 11.15 MB / 0.7136 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001056/1.209, allocations: 45.05 kB / 1.145 GB, free: 11.12 MB / 0.7136 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0003958/1.209, allocations: 442 kB / 1.146 GB, free: 10.9 MB / 0.7136 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0002678/1.21, allocations: 258.7 kB / 1.146 GB, free: 10.71 MB / 0.7136 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 6.848e-05/1.21, allocations: 19.44 kB / 1.146 GB, free: 10.71 MB / 0.7136 GB
Notification: Performance of setup shared object (initialization): time 0.0001584/1.21, allocations: 335.9 kB / 1.146 GB, free: 10.39 MB / 0.7136 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001543/1.211, allocations: 0.5658 MB / 1.147 GB, free: 10.28 MB / 0.7136 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001546/1.213, allocations: 0.702 MB / 1.148 GB, free: 10.05 MB / 0.7136 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.002836/1.216, allocations: 1.223 MB / 1.149 GB, free: 9.766 MB / 0.7136 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.737e-06/1.216, allocations: 0 / 1.149 GB, free: 9.766 MB / 0.7136 GB
Notification: Performance of matching and sorting (n=87) (initialization): time 0.003534/1.219, allocations: 1.432 MB / 1.15 GB, free: 9.41 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001295/1.22, allocations: 152.1 kB / 1.15 GB, free: 9.254 MB / 0.7136 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.044e-05/1.22, allocations: 2.938 kB / 1.15 GB, free: 9.254 MB / 0.7136 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.507e-05/1.22, allocations: 11.44 kB / 1.15 GB, free: 9.246 MB / 0.7136 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001609/1.221, allocations: 274.7 kB / 1.151 GB, free: 9.184 MB / 0.7136 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008709/1.222, allocations: 1.2 MB / 1.152 GB, free: 8 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001547/1.224, allocations: 205 kB / 1.152 GB, free: 7.906 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.358e-05/1.224, allocations: 31.64 kB / 1.152 GB, free: 7.902 MB / 0.7136 GB
Notification: Performance of prepare postOptimizeDAE: time 1.036e-05/1.224, allocations: 5.219 kB / 1.152 GB, free: 7.902 MB / 0.7136 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.003225/1.227, allocations: 1.327 MB / 1.153 GB, free: 7.625 MB / 0.7136 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.813e-06/1.227, allocations: 4 kB / 1.153 GB, free: 7.621 MB / 0.7136 GB
Notification: Performance of postOpt tearingSystem (initialization): time 9.909e-06/1.227, allocations: 5.875 kB / 1.153 GB, free: 7.621 MB / 0.7136 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001223/1.228, allocations: 247.7 kB / 1.154 GB, free: 7.566 MB / 0.7136 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.016e-05/1.228, allocations: 4.531 kB / 1.154 GB, free: 7.566 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001412/1.23, allocations: 195 kB / 1.154 GB, free: 7.488 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.7e-05/1.23, allocations: 30.3 kB / 1.154 GB, free: 7.484 MB / 0.7136 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.i1_w,hex.i2_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 0.0007493/1.231, allocations: 388.1 kB / 1.154 GB, free: 7.27 MB / 0.7136 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002571/1.231, allocations: 103.6 kB / 1.154 GB, free: 7.215 MB / 0.7136 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003445/1.234, allocations: 1.441 MB / 1.156 GB, free: 6.848 MB / 0.7136 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.626e-06/1.234, allocations: 5.406 kB / 1.156 GB, free: 6.848 MB / 0.7136 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 7.504e-06/1.234, allocations: 3.062 kB / 1.156 GB, free: 6.848 MB / 0.7136 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.281e-05/1.234, allocations: 3.984 kB / 1.156 GB, free: 6.844 MB / 0.7136 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005988/1.24, allocations: 2.925 MB / 1.159 GB, free: 5.031 MB / 0.7136 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.064e-05/1.24, allocations: 5.062 kB / 1.159 GB, free: 5.031 MB / 0.7136 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001388/1.242, allocations: 246.9 kB / 1.159 GB, free: 4.973 MB / 0.7136 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.966e-05/1.242, allocations: 6.469 kB / 1.159 GB, free: 4.973 MB / 0.7136 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.411e-05/1.242, allocations: 29.81 kB / 1.159 GB, free: 4.953 MB / 0.7136 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006873/1.243, allocations: 1.189 MB / 1.16 GB, free: 3.758 MB / 0.7136 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.767e-06/1.243, allocations: 7.625 kB / 1.16 GB, free: 3.754 MB / 0.7136 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003614/1.246, allocations: 1.542 MB / 1.161 GB, free: 2.879 MB / 0.7136 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0007214/1.247, allocations: 313.7 kB / 1.162 GB, free: 2.617 MB / 0.7136 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000134/1.247, allocations: 26.58 kB / 1.162 GB, free: 2.598 MB / 0.7136 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001212/1.248, allocations: 157.6 kB / 1.162 GB, free: 2.539 MB / 0.7136 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000177/1.248, allocations: 64.33 kB / 1.162 GB, free: 2.504 MB / 0.7136 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.445e-05/1.249, allocations: 37.62 kB / 1.162 GB, free: 2.488 MB / 0.7136 GB
Notification: Performance of sorting global known variables: time 0.0008243/1.249, allocations: 0.566 MB / 1.163 GB, free: 2.156 MB / 0.7136 GB
Notification: Performance of sort global known variables: time 1.41e-07/1.249, allocations: 0 / 1.163 GB, free: 2.156 MB / 0.7136 GB
Notification: Performance of remove unused functions: time 0.001574/1.251, allocations: 0.5356 MB / 1.163 GB, free: 2.051 MB / 0.7136 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 0.004239/1.255, allocations: 2.26 MB / 1.165 GB, free: 0.5352 MB / 0.7136 GB
Notification: Performance of simCode: created initialization part: time 0.005475/1.261, allocations: 2.153 MB / 1.167 GB, free: 14.38 MB / 0.7292 GB
Notification: Performance of simCode: created event and clocks part: time 6.863e-06/1.261, allocations: 4.062 kB / 1.167 GB, free: 14.38 MB / 0.7292 GB
Notification: Performance of simCode: created simulation system equations: time 0.001761/1.263, allocations: 0.7035 MB / 1.168 GB, free: 13.7 MB / 0.7292 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003362/1.266, allocations: 0.5062 MB / 1.169 GB, free: 13.2 MB / 0.7292 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01923/1.285, allocations: 9.671 MB / 1.178 GB, free: 3.234 MB / 0.7292 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006952/1.286, allocations: 1.098 MB / 1.179 GB, free: 2.105 MB / 0.7292 GB
Notification: Performance of simCode: alias equations: time 0.001846/1.288, allocations: 391.5 kB / 1.18 GB, free: 1.719 MB / 0.7292 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006731/1.288, allocations: 391.3 kB / 1.18 GB, free: 1.336 MB / 0.7292 GB
Notification: Performance of SimCode: time 1.833e-06/1.288, allocations: 0 / 1.18 GB, free: 1.336 MB / 0.7292 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05379/1.342, allocations: 27.51 MB / 1.207 GB, free: 6.312 MB / 0.7605 GB
Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002264/1.342, allocations: 321 kB / 1.207 GB, free: 5.934 MB / 0.7605 GB
Notification: Performance of buildModelFMU: Generate platform static: time 3.297/4.639, allocations: 4 kB / 1.207 GB, free: 5.93 MB / 0.7605 GB
(rm -f Buildings_maint.7.0.x_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator  --tempDir=temp_Buildings_maint_7_0_x_Buildings_Fluid_MassExchangers_Validation_ConstantEffectivenessZeroFlowBothStreams_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_maint_7_0_x_Buildings_Fluid_MassExchangers_Validation_ConstantEffectivenessZeroFlowBothStreams.fmu > Buildings_maint.7.0.x_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe 2>&1)