Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.HeatExchanger.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 10.0.0-master/package.mo", uses=false) Using package Buildings with version 10.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-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: "" <> buildModelFMU(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.HeatExchanger,fileNamePrefix="Buildings_latest_Buildings_Applications_DataCenters_ChillerCooled_Equipment_Validation_HeatExchanger",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.HeatExchanger,fileNamePrefix="Buildings_latest_Buildings_Applications_DataCenters_ChillerCooled_Equipment_Validation_HeatExchanger",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 0.001246/0.001246, allocations: 90.75 kB / 15.06 MB, free: 1.098 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00168/0.00168, allocations: 172.7 kB / 15.95 MB, free: 208 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.434/1.434, allocations: 223.2 MB / 240 MB, free: 5.324 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo): time 2.484/2.484, allocations: 409.4 MB / 0.684 GB, free: 0.8594 MB / 0.5294 GB Notification: Performance of FrontEnd - loaded program: time 0.0003421/0.0003423, allocations: 8 kB / 0.8378 GB, free: 6.469 MB / 0.6856 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7577/0.7581, allocations: 146.8 MB / 0.9812 GB, free: 6.23 MB / 0.7325 GB Notification: Performance of NFInst.instantiate(Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.HeatExchanger): time 0.1662/0.9243, allocations: 149.2 MB / 1.127 GB, free: 0.6758 MB / 0.8731 GB Notification: Performance of NFInst.instExpressions: time 0.04145/0.9658, allocations: 27.08 MB / 1.153 GB, free: 5.539 MB / 0.9044 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01025/0.9761, allocations: 162.9 kB / 1.153 GB, free: 5.379 MB / 0.9044 GB Notification: Performance of NFTyping.typeComponents: time 0.006962/0.9832, allocations: 1.203 MB / 1.155 GB, free: 4.168 MB / 0.9044 GB Notification: Performance of NFTyping.typeBindings: time 0.01759/1.001, allocations: 3.519 MB / 1.158 GB, free: 0.6328 MB / 0.9044 GB Notification: Performance of NFTyping.typeClassSections: time 0.01067/1.011, allocations: 2.116 MB / 1.16 GB, free: 14.55 MB / 0.92 GB Notification: Performance of NFFlatten.flatten: time 0.01666/1.028, allocations: 9.24 MB / 1.169 GB, free: 5.281 MB / 0.92 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006529/1.035, allocations: 2.186 MB / 1.171 GB, free: 3.062 MB / 0.92 GB Notification: Performance of NFEvalConstants.evaluate: time 0.008872/1.044, allocations: 2.962 MB / 1.174 GB, free: 88 kB / 0.92 GB Notification: Performance of NFSimplifyModel.simplify: time 0.005279/1.049, allocations: 2.185 MB / 1.176 GB, free: 13.89 MB / 0.9356 GB Notification: Performance of NFPackage.collectConstants: time 0.001284/1.05, allocations: 116 kB / 1.176 GB, free: 13.78 MB / 0.9356 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007825/1.058, allocations: 1.778 MB / 1.178 GB, free: 12 MB / 0.9356 GB Notification: Performance of NFScalarize.scalarize: time 0.002123/1.06, allocations: 0.5363 MB / 1.179 GB, free: 11.46 MB / 0.9356 GB Notification: Performance of NFVerifyModel.verify: time 0.002312/1.063, allocations: 0.7147 MB / 1.179 GB, free: 10.73 MB / 0.9356 GB Notification: Performance of NFConvertDAE.convert: time 0.009437/1.072, allocations: 4.605 MB / 1.184 GB, free: 6.117 MB / 0.9356 GB Notification: Performance of FrontEnd - DAE generated: time 1.537e-05/1.072, allocations: 0 / 1.184 GB, free: 6.117 MB / 0.9356 GB Notification: Performance of FrontEnd: time 3.437e-06/1.072, allocations: 3.938 kB / 1.184 GB, free: 6.113 MB / 0.9356 GB Notification: Performance of Transformations before backend: time 0.0002756/1.073, allocations: 0 / 1.184 GB, free: 6.113 MB / 0.9356 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 493 * Number of variables: 493 Notification: Performance of Generate backend data structure: time 0.01324/1.086, allocations: 3.329 MB / 1.187 GB, free: 2.707 MB / 0.9356 GB Notification: Performance of prepare preOptimizeDAE: time 6.817e-05/1.086, allocations: 8.031 kB / 1.187 GB, free: 2.699 MB / 0.9356 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001347/1.087, allocations: 286.5 kB / 1.187 GB, free: 2.41 MB / 0.9356 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006084/1.093, allocations: 0.862 MB / 1.188 GB, free: 1.543 MB / 0.9356 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01026/1.104, allocations: 2.822 MB / 1.191 GB, free: 14.66 MB / 0.9512 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001776/1.105, allocations: 415.6 kB / 1.191 GB, free: 14.25 MB / 0.9512 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008996/1.106, allocations: 199.9 kB / 1.192 GB, free: 14.06 MB / 0.9512 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.009765/1.116, allocations: 2.5 MB / 1.194 GB, free: 11.5 MB / 0.9512 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.02e-05/1.116, allocations: 3.938 kB / 1.194 GB, free: 11.49 MB / 0.9512 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005292/1.117, allocations: 80 kB / 1.194 GB, free: 11.41 MB / 0.9512 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001157/1.117, allocations: 71.64 kB / 1.194 GB, free: 11.34 MB / 0.9512 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.008911/1.126, allocations: 2.372 MB / 1.196 GB, free: 8.969 MB / 0.9512 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 0.03042/1.156, allocations: 12.66 MB / 1.209 GB, free: 11.38 MB / 0.9669 GB Notification: Performance of preOpt comSubExp (simulation): time 0.005924/1.162, allocations: 1.551 MB / 1.21 GB, free: 9.824 MB / 0.9669 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00313/1.165, allocations: 0.9363 MB / 1.211 GB, free: 8.887 MB / 0.9669 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002578/1.168, allocations: 1.828 MB / 1.213 GB, free: 6.672 MB / 0.9669 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003409/1.172, allocations: 0.9974 MB / 1.214 GB, free: 5.656 MB / 0.9669 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.002155/1.174, allocations: 190.8 kB / 1.214 GB, free: 5.469 MB / 0.9669 GB Notification: Performance of pre-optimization done (n=132): time 1.126e-05/1.174, allocations: 0 / 1.214 GB, free: 5.469 MB / 0.9669 GB Notification: Performance of matching and sorting (n=132): time 0.01196/1.186, allocations: 3.053 MB / 1.217 GB, free: 2.359 MB / 0.9669 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.963e-05/1.186, allocations: 98.42 kB / 1.217 GB, free: 2.246 MB / 0.9669 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007385/1.193, allocations: 2.633 MB / 1.22 GB, free: 15.61 MB / 0.9825 GB Notification: Performance of collectPreVariables (initialization): time 0.0003933/1.194, allocations: 53.7 kB / 1.22 GB, free: 15.55 MB / 0.9825 GB Notification: Performance of collectInitialEqns (initialization): time 0.002066/1.196, allocations: 1.337 MB / 1.221 GB, free: 14.2 MB / 0.9825 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008366/1.197, allocations: 453.4 kB / 1.222 GB, free: 13.75 MB / 0.9825 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002671/1.197, allocations: 32 kB / 1.222 GB, free: 13.72 MB / 0.9825 GB Notification: Performance of setup shared object (initialization): time 0.0002519/1.197, allocations: 361.9 kB / 1.222 GB, free: 13.36 MB / 0.9825 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003209/1.2, allocations: 0.8159 MB / 1.223 GB, free: 12.54 MB / 0.9825 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003718/1.204, allocations: 1.161 MB / 1.224 GB, free: 11.25 MB / 0.9825 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003178/1.207, allocations: 0.9294 MB / 1.225 GB, free: 10.32 MB / 0.9825 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.626e-05/1.207, allocations: 4 kB / 1.225 GB, free: 10.31 MB / 0.9825 GB Notification: Performance of matching and sorting (n=187) (initialization): time 0.009755/1.217, allocations: 2.496 MB / 1.227 GB, free: 7.793 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 0.0004128/1.218, allocations: 344.2 kB / 1.228 GB, free: 7.348 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.659e-05/1.218, allocations: 8 kB / 1.228 GB, free: 7.34 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001077/1.219, allocations: 161.5 kB / 1.228 GB, free: 7.176 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00286/1.222, allocations: 431.4 kB / 1.228 GB, free: 6.754 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001415/1.223, allocations: 1.202 MB / 1.229 GB, free: 5.5 MB / 0.9825 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004584/1.228, allocations: 295.7 kB / 1.23 GB, free: 5.211 MB / 0.9825 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004003/1.228, allocations: 75.95 kB / 1.23 GB, free: 5.137 MB / 0.9825 GB Notification: Performance of prepare postOptimizeDAE: time 2.291e-05/1.228, allocations: 11.95 kB / 1.23 GB, free: 5.125 MB / 0.9825 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.008591/1.237, allocations: 2.178 MB / 1.232 GB, free: 2.934 MB / 0.9825 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.781e-05/1.237, allocations: 8 kB / 1.232 GB, free: 2.926 MB / 0.9825 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005532/1.237, allocations: 109.6 kB / 1.232 GB, free: 2.812 MB / 0.9825 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002925/1.24, allocations: 427.7 kB / 1.232 GB, free: 2.395 MB / 0.9825 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004939/1.245, allocations: 3.286 MB / 1.236 GB, free: 14.83 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004511/1.25, allocations: 291.5 kB / 1.236 GB, free: 14.54 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004672/1.25, allocations: 75.95 kB / 1.236 GB, free: 14.47 MB / 0.9981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 32 * Number of states: 0 () * Number of discrete variables: 8 ($whenCondition1,TCon_in.a,TCon_in.b,TCon_in.last,$PRE.TCon_in.nextEvent,TCon_in.nextEvent,TCon_in.nextEventScaled,hex1.con.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (174): * Single equations (assignments): 171 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {1 4,1 4} Notification: Performance of prepare postOptimizeDAE: time 0.002656/1.253, allocations: 0.7049 MB / 1.237 GB, free: 13.75 MB / 0.9981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00117/1.254, allocations: 300.2 kB / 1.237 GB, free: 13.45 MB / 0.9981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009426/1.264, allocations: 2.683 MB / 1.24 GB, free: 10.79 MB / 0.9981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.862e-05/1.264, allocations: 16 kB / 1.24 GB, free: 10.77 MB / 0.9981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.252e-06/1.264, allocations: 0 / 1.24 GB, free: 10.77 MB / 0.9981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.004802/1.269, allocations: 2.156 MB / 1.242 GB, free: 8.555 MB / 0.9981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01119/1.28, allocations: 5.402 MB / 1.247 GB, free: 3.016 MB / 0.9981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.15e-05/1.28, allocations: 4 kB / 1.247 GB, free: 3.012 MB / 0.9981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001437/1.281, allocations: 336 kB / 1.247 GB, free: 2.684 MB / 0.9981 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002881/1.282, allocations: 105.6 kB / 1.247 GB, free: 2.574 MB / 0.9981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001474/1.282, allocations: 51.97 kB / 1.247 GB, free: 2.523 MB / 0.9981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001036/1.283, allocations: 1.179 MB / 1.249 GB, free: 1.293 MB / 0.9981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.541e-06/1.283, allocations: 4 kB / 1.249 GB, free: 1.289 MB / 0.9981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.6205/1.903, allocations: 3.656 MB / 1.252 GB, free: 257.7 MB / 0.9981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001639/1.905, allocations: 0.6788 MB / 1.253 GB, free: 257.6 MB / 0.9981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004596/1.905, allocations: 41.95 kB / 1.253 GB, free: 257.6 MB / 0.9981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002086/1.907, allocations: 251.8 kB / 1.253 GB, free: 257.5 MB / 0.9981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002369/1.908, allocations: 104.6 kB / 1.253 GB, free: 257.5 MB / 0.9981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000199/1.908, allocations: 81.19 kB / 1.253 GB, free: 257.5 MB / 0.9981 GB Notification: Performance of sorting global known variables: time 0.003642/1.912, allocations: 1.808 MB / 1.255 GB, free: 256.8 MB / 0.9981 GB Notification: Performance of sort global known variables: time 4.11e-07/1.912, allocations: 0 / 1.255 GB, free: 256.8 MB / 0.9981 GB Notification: Performance of remove unused functions: time 0.005241/1.917, allocations: 1.417 MB / 1.256 GB, free: 256.7 MB / 0.9981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 15 * Number of states: 6 (hex1.thrWayVal.vol.dynBal.U,hex1.thrWayVal.filter.s[1],hex1.thrWayVal.filter.s[2],hex1.con.I.y,TSen1.T,TSen2.T) * Number of discrete variables: 6 ($whenCondition1,TCon_in.a,TCon_in.b,TCon_in.last,TCon_in.nextEvent,TCon_in.nextEventScaled) * Number of discrete states: 6 (TCon_in.nextEvent,TCon_in.last,TCon_in.nextEventScaled,TCon_in.b,TCon_in.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (148): * Single equations (assignments): 134 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 11 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {1 4,1 4} Notification: Performance of Backend phase and start with SimCode phase: time 0.009496/1.926, allocations: 4.743 MB / 1.261 GB, free: 254.5 MB / 0.9981 GB Notification: Performance of simCode: created initialization part: time 0.006919/1.933, allocations: 3.535 MB / 1.265 GB, free: 253.2 MB / 0.9981 GB Notification: Performance of simCode: created event and clocks part: time 9.127e-06/1.933, allocations: 0 / 1.265 GB, free: 253.2 MB / 0.9981 GB Notification: Performance of simCode: created simulation system equations: time 0.002022/1.935, allocations: 1.122 MB / 1.266 GB, free: 252.8 MB / 0.9981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006693/1.942, allocations: 1.486 MB / 1.267 GB, free: 252.5 MB / 0.9981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04707/1.989, allocations: 20.3 MB / 1.287 GB, free: 237.8 MB / 0.9981 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001632/1.991, allocations: 1.794 MB / 1.289 GB, free: 236 MB / 0.9981 GB Notification: Performance of simCode: alias equations: time 0.003834/1.995, allocations: 0.6975 MB / 1.289 GB, free: 235.4 MB / 0.9981 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001747/1.996, allocations: 1.272 MB / 1.291 GB, free: 234.1 MB / 0.9981 GB Notification: Performance of SimCode: time 1.012e-06/1.996, allocations: 0 / 1.291 GB, free: 234.1 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.311/2.307, allocations: 84.76 MB / 1.373 GB, free: 150.3 MB / 0.9981 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001758/2.308, allocations: 310.2 kB / 1.374 GB, free: 150 MB / 0.9981 GB Notification: Performance of buildModelFMU: Generate platform static: time 5.006/7.314, allocations: 4 kB / 1.374 GB, free: 150 MB / 0.9981 GB (rm -f Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.HeatExchanger.pipe ; mkfifo Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.HeatExchanger.pipe ; head -c 1048576 < Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.HeatExchanger.pipe >> ../files/Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.HeatExchanger.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator -r=Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.HeatExchanger_res.mat --tempDir=temp_Buildings_latest_Buildings_Applications_DataCenters_ChillerCooled_Equipment_Validation_HeatExchanger_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 Buildings_latest_Buildings_Applications_DataCenters_ChillerCooled_Equipment_Validation_HeatExchanger.fmu > Buildings_latest_Buildings.Applications.DataCenters.ChillerCooled.Equipment.Validation.HeatExchanger.pipe 2>&1) Environment - environmentSimulation: