Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.conf.json loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package Buildings with version 7.0.3 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: translateModel(Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness") translateModel(Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.43/1.43, allocations: 255.9 MB / 271.2 MB, free: 8.883 MB / 218.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001405/0.001405, allocations: 190.2 kB / 330.8 MB, free: 484 kB / 250.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.67/1.67, allocations: 225.7 MB / 0.6016 GB, free: 1.645 MB / 426.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008643/0.0008643, allocations: 96.45 kB / 0.709 GB, free: 7.094 MB / 0.5261 GB Notification: Performance of FrontEnd - loaded program: time 0.0003918/0.0003918, allocations: 8 kB / 0.8261 GB, free: 115.7 MB / 0.573 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2246/0.225, allocations: 109.2 MB / 0.9327 GB, free: 6.285 MB / 0.573 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness): time 0.6738/0.8989, allocations: 190.6 MB / 1.119 GB, free: 340 kB / 0.6823 GB Notification: Performance of NFInst.instExpressions: time 0.01325/0.9122, allocations: 10.71 MB / 1.129 GB, free: 6.293 MB / 0.698 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001998/0.9142, allocations: 35.38 kB / 1.129 GB, free: 6.277 MB / 0.698 GB Notification: Performance of NFTyping.typeComponents: time 0.001981/0.9162, allocations: 0.5526 MB / 1.13 GB, free: 5.82 MB / 0.698 GB Notification: Performance of NFTyping.typeBindings: time 0.006076/0.9223, allocations: 1.931 MB / 1.132 GB, free: 4.312 MB / 0.698 GB Notification: Performance of NFTyping.typeClassSections: time 0.003012/0.9253, allocations: 1.049 MB / 1.133 GB, free: 3.539 MB / 0.698 GB Notification: Performance of NFFlatten.flatten: time 0.004435/0.9298, allocations: 3.467 MB / 1.136 GB, free: 1.621 MB / 0.698 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001364/0.9312, allocations: 0.7938 MB / 1.137 GB, free: 1.125 MB / 0.698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00321/0.9344, allocations: 1.304 MB / 1.138 GB, free: 372 kB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001963/0.9364, allocations: 0.831 MB / 1.139 GB, free: 15.88 MB / 0.7136 GB Notification: Performance of NFPackage.collectConstants: time 0.0001236/0.9365, allocations: 41.44 kB / 1.139 GB, free: 15.88 MB / 0.7136 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003725/0.9402, allocations: 1.924 MB / 1.141 GB, free: 14.81 MB / 0.7136 GB Notification: Performance of NFScalarize.scalarize: time 0.0003425/0.9406, allocations: 259 kB / 1.141 GB, free: 14.63 MB / 0.7136 GB Notification: Performance of NFVerifyModel.verify: time 0.0008212/0.9414, allocations: 0.5599 MB / 1.142 GB, free: 14.26 MB / 0.7136 GB Notification: Performance of NFConvertDAE.convert: time 0.003599/0.945, allocations: 2.138 MB / 1.144 GB, free: 12.88 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 5.64e-06/0.9451, allocations: 0 / 1.144 GB, free: 12.88 MB / 0.7136 GB Notification: Performance of FrontEnd: time 1.933e-06/0.9451, allocations: 0 / 1.144 GB, free: 12.88 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 1.332e-05/0.9451, allocations: 0 / 1.144 GB, free: 12.88 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: 177 * Number of variables: 177 Notification: Performance of Generate backend data structure: time 0.003338/0.9484, allocations: 1.456 MB / 1.145 GB, free: 11.46 MB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 4.524e-05/0.9485, allocations: 15.97 kB / 1.145 GB, free: 11.45 MB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002288/0.9508, allocations: 478.1 kB / 1.146 GB, free: 10.98 MB / 0.7136 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001718/0.9525, allocations: 0.9135 MB / 1.147 GB, free: 10.02 MB / 0.7136 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006225/0.9531, allocations: 189.9 kB / 1.147 GB, free: 9.836 MB / 0.7136 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001225/0.9533, allocations: 72 kB / 1.147 GB, free: 9.766 MB / 0.7136 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002427/0.9557, allocations: 1.126 MB / 1.148 GB, free: 8.621 MB / 0.7136 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.607e-05/0.9557, allocations: 0 / 1.148 GB, free: 8.621 MB / 0.7136 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.961e-05/0.9559, allocations: 31.98 kB / 1.148 GB, free: 8.59 MB / 0.7136 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.113e-05/0.9559, allocations: 41.81 kB / 1.148 GB, free: 8.547 MB / 0.7136 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003059/0.959, allocations: 1.261 MB / 1.149 GB, free: 7.285 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 0.00658/0.9656, allocations: 4.173 MB / 1.153 GB, free: 2.82 MB / 0.7136 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002504/0.9681, allocations: 0.9341 MB / 1.154 GB, free: 1.883 MB / 0.7136 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00129/0.9694, allocations: 0.5373 MB / 1.155 GB, free: 1.344 MB / 0.7136 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0008418/0.9703, allocations: 0.6487 MB / 1.155 GB, free: 0.5664 MB / 0.7136 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001561/0.9718, allocations: 0.6343 MB / 1.156 GB, free: 15.91 MB / 0.7292 GB Notification: Performance of pre-optimization done (n=57): time 2.254e-06/0.9718, allocations: 0 / 1.156 GB, free: 15.91 MB / 0.7292 GB Notification: Performance of matching and sorting (n=57): time 0.004164/0.976, allocations: 1.52 MB / 1.158 GB, free: 14.39 MB / 0.7292 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.169e-05/0.9761, allocations: 89.67 kB / 1.158 GB, free: 14.29 MB / 0.7292 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001106/0.9772, allocations: 0.82 MB / 1.158 GB, free: 13.44 MB / 0.7292 GB Notification: Performance of collectPreVariables (initialization): time 9.142e-05/0.9773, allocations: 41.7 kB / 1.158 GB, free: 13.39 MB / 0.7292 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003651/0.9777, allocations: 432.3 kB / 1.159 GB, free: 12.97 MB / 0.7292 GB Notification: Performance of collectInitialBindings (initialization): time 0.000178/0.9779, allocations: 193.1 kB / 1.159 GB, free: 12.78 MB / 0.7292 GB Notification: Performance of simplifyInitialFunctions (initialization): time 4.346e-05/0.9779, allocations: 12 kB / 1.159 GB, free: 12.77 MB / 0.7292 GB Notification: Performance of setup shared object (initialization): time 0.0001288/0.9781, allocations: 333.9 kB / 1.159 GB, free: 12.43 MB / 0.7292 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001235/0.9793, allocations: 456.8 kB / 1.16 GB, free: 11.99 MB / 0.7292 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001326/0.9806, allocations: 0.5799 MB / 1.16 GB, free: 11.36 MB / 0.7292 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002394/0.983, allocations: 0.9757 MB / 1.161 GB, free: 10.36 MB / 0.7292 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.959e-06/0.9831, allocations: 4 kB / 1.161 GB, free: 10.35 MB / 0.7292 GB Notification: Performance of matching and sorting (n=70) (initialization): time 0.002974/0.986, allocations: 1.159 MB / 1.163 GB, free: 9.18 MB / 0.7292 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001163/0.9862, allocations: 171.1 kB / 1.163 GB, free: 8.98 MB / 0.7292 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.307e-06/0.9862, allocations: 0 / 1.163 GB, free: 8.98 MB / 0.7292 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.073e-05/0.9862, allocations: 11.94 kB / 1.163 GB, free: 8.969 MB / 0.7292 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001353/0.9876, allocations: 251.7 kB / 1.163 GB, free: 8.723 MB / 0.7292 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007697/0.9883, allocations: 1.188 MB / 1.164 GB, free: 7.488 MB / 0.7292 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001335/0.9897, allocations: 195.3 kB / 1.164 GB, free: 7.297 MB / 0.7292 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.298e-05/0.9898, allocations: 31.97 kB / 1.164 GB, free: 7.266 MB / 0.7292 GB Notification: Performance of prepare postOptimizeDAE: time 1.136e-05/0.9898, allocations: 4 kB / 1.164 GB, free: 7.262 MB / 0.7292 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002745/0.9926, allocations: 1.057 MB / 1.165 GB, free: 6.195 MB / 0.7292 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.789e-06/0.9926, allocations: 0 / 1.165 GB, free: 6.195 MB / 0.7292 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.234e-06/0.9926, allocations: 4 kB / 1.165 GB, free: 6.191 MB / 0.7292 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009895/0.9936, allocations: 231.8 kB / 1.166 GB, free: 5.965 MB / 0.7292 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.239e-05/0.9936, allocations: 11.94 kB / 1.166 GB, free: 5.953 MB / 0.7292 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001244/0.9949, allocations: 183.3 kB / 1.166 GB, free: 5.773 MB / 0.7292 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.294e-05/0.995, allocations: 31.92 kB / 1.166 GB, free: 5.742 MB / 0.7292 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 5 ($whenCondition1,$PRE.trapezoid.T_start,trapezoid.T_start,$PRE.trapezoid.count,trapezoid.count) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (69): * Single equations (assignments): 66 * 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 0.0006806/0.9956, allocations: 353.5 kB / 1.166 GB, free: 5.387 MB / 0.7292 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003651/0.996, allocations: 94.88 kB / 1.166 GB, free: 5.293 MB / 0.7292 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003738/0.9998, allocations: 1.207 MB / 1.167 GB, free: 4.078 MB / 0.7292 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.62e-05/0.9998, allocations: 7.984 kB / 1.167 GB, free: 4.07 MB / 0.7292 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.402e-06/0.9998, allocations: 4 kB / 1.167 GB, free: 4.066 MB / 0.7292 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.442e-06/0.9998, allocations: 0 / 1.167 GB, free: 4.066 MB / 0.7292 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00507/1.005, allocations: 2.392 MB / 1.17 GB, free: 1.582 MB / 0.7292 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.931e-06/1.005, allocations: 0 / 1.17 GB, free: 1.582 MB / 0.7292 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001059/1.006, allocations: 231.8 kB / 1.17 GB, free: 1.355 MB / 0.7292 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.256e-05/1.006, allocations: 7.938 kB / 1.17 GB, free: 1.348 MB / 0.7292 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.187e-05/1.006, allocations: 19.98 kB / 1.17 GB, free: 1.328 MB / 0.7292 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007683/1.007, allocations: 1.188 MB / 1.171 GB, free: 96 kB / 0.7292 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.586e-06/1.007, allocations: 7.938 kB / 1.171 GB, free: 88 kB / 0.7292 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003463/1.01, allocations: 1.286 MB / 1.172 GB, free: 14.75 MB / 0.7448 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008356/1.011, allocations: 291.6 kB / 1.173 GB, free: 14.45 MB / 0.7448 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002862/1.012, allocations: 12 kB / 1.173 GB, free: 14.43 MB / 0.7448 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001535/1.013, allocations: 163.7 kB / 1.173 GB, free: 14.27 MB / 0.7448 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001748/1.013, allocations: 60.23 kB / 1.173 GB, free: 14.21 MB / 0.7448 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.401e-05/1.013, allocations: 31.98 kB / 1.173 GB, free: 14.18 MB / 0.7448 GB Notification: Performance of sorting global known variables: time 0.0009857/1.014, allocations: 0.5743 MB / 1.173 GB, free: 13.6 MB / 0.7448 GB Notification: Performance of sort global known variables: time 2.21e-07/1.014, allocations: 0 / 1.173 GB, free: 13.6 MB / 0.7448 GB Notification: Performance of remove unused functions: time 0.00166/1.016, allocations: 483.2 kB / 1.174 GB, free: 13.12 MB / 0.7448 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 12 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,trapezoid.T_start,trapezoid.count) * Number of discrete states: 1 (trapezoid.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (63): * Single equations (assignments): 57 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 2 * 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 0.0007423/1.017, allocations: 301.6 kB / 1.174 GB, free: 12.83 MB / 0.7448 GB Notification: Performance of simCode: created initialization part: time 0.004885/1.022, allocations: 1.742 MB / 1.176 GB, free: 11.07 MB / 0.7448 GB Notification: Performance of simCode: created event and clocks part: time 9.769e-06/1.022, allocations: 4 kB / 1.176 GB, free: 11.07 MB / 0.7448 GB Notification: Performance of simCode: created simulation system equations: time 0.001632/1.023, allocations: 0.6042 MB / 1.177 GB, free: 10.46 MB / 0.7448 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002808/1.026, allocations: 466.1 kB / 1.177 GB, free: 10 MB / 0.7448 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004565/1.031, allocations: 2.288 MB / 1.179 GB, free: 7.648 MB / 0.7448 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007639/1.032, allocations: 1.035 MB / 1.18 GB, free: 6.586 MB / 0.7448 GB Notification: Performance of simCode: alias equations: time 0.001508/1.033, allocations: 287 kB / 1.181 GB, free: 6.301 MB / 0.7448 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003193/1.033, allocations: 87.41 kB / 1.181 GB, free: 6.215 MB / 0.7448 GB Notification: Performance of SimCode: time 5.61e-07/1.033, allocations: 0 / 1.181 GB, free: 6.215 MB / 0.7448 GB Notification: Performance of Templates: time 0.03192/1.065, allocations: 18.68 MB / 1.199 GB, free: 3.766 MB / 0.7605 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.makefile (rm -f Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.sim & ./Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Validation.ConstantEffectiveness.pipe 2>&1)