Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo", uses=false) 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 3.0.0/package.mo", uses=false) Using package Buildings with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/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) Using package Modelica_StateGraph2 with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo) Running command: translateModel(Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u,tolerance=1e-05,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u") translateModel(Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u,tolerance=1e-05,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u") [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:257:38-257:110:writable] Warning: The file was not encoded in UTF-8: "

An important practical aspect of state machines is the abilit...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:761:36-761:108:writable] Warning: The file was not encoded in UTF-8: "

The Modelica_StateGraph2 library is described in detail in (O...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:1435:36-1435:108:writable] Warning: The file was not encoded in UTF-8: "

Main Authors:

SCode: time 0.2191/0.2217, allocations: 80.83 MB / 0.6707 GB, free: 1.969 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u): time 0.07175/0.2935, allocations: 66.2 MB / 0.7353 GB, free: 15.53 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.6652/0.9587, allocations: 18.51 MB / 0.7534 GB, free: 11.27 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005658/0.9645, allocations: 91.62 kB / 0.7535 GB, free: 11.27 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.0056/0.9702, allocations: 1.193 MB / 0.7546 GB, free: 11.27 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.01169/0.9819, allocations: 2.572 MB / 0.7572 GB, free: 11.22 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.01287/0.9948, allocations: 3.74 MB / 0.7608 GB, free: 11.13 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.01559/1.01, allocations: 5.315 MB / 0.766 GB, free: 11.12 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00641/1.017, allocations: 1.765 MB / 0.7677 GB, free: 10.9 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.009432/1.026, allocations: 2.039 MB / 0.7697 GB, free: 10.77 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.006215/1.033, allocations: 1.536 MB / 0.7712 GB, free: 10.48 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.001184/1.034, allocations: 199.2 kB / 0.7714 GB, free: 10.48 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00943/1.043, allocations: 2.151 MB / 0.7735 GB, free: 10.45 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.001651/1.045, allocations: 0.5398 MB / 0.774 GB, free: 10.37 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.003596/1.049, allocations: 1.144 MB / 0.7751 GB, free: 10.04 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.01373/1.062, allocations: 3.898 MB / 0.779 GB, free: 9.531 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 8.165e-06/1.062, allocations: 0 / 0.779 GB, free: 9.531 MB / 0.5762 GB Notification: Performance of FrontEnd: time 3.016e-06/1.062, allocations: 1.219 kB / 0.779 GB, free: 9.531 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 0.0001427/1.063, allocations: 0 / 0.779 GB, free: 9.531 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: 311 * Number of variables: 311 Notification: Performance of Generate backend data structure: time 0.009191/1.072, allocations: 2.855 MB / 0.7817 GB, free: 8.066 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 6.658e-05/1.072, allocations: 13.78 kB / 0.7818 GB, free: 8.062 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002293/1.074, allocations: 385.4 kB / 0.7821 GB, free: 7.926 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005699/1.08, allocations: 1.8 MB / 0.7839 GB, free: 7.418 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001477/1.08, allocations: 96.67 kB / 0.784 GB, free: 7.414 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003763/1.08, allocations: 140.9 kB / 0.7841 GB, free: 7.406 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004265/1.085, allocations: 1.503 MB / 0.7856 GB, free: 7.094 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.184e-05/1.085, allocations: 7.125 kB / 0.7856 GB, free: 7.094 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001354/1.085, allocations: 54.12 kB / 0.7856 GB, free: 7.094 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.939e-05/1.085, allocations: 39.25 kB / 0.7857 GB, free: 7.09 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003381/1.088, allocations: 1.15 MB / 0.7868 GB, free: 7.066 MB / 0.5762 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 0.01462/1.103, allocations: 7.752 MB / 0.7944 GB, free: 0.7305 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00272/1.106, allocations: 0.9217 MB / 0.7953 GB, free: 268 kB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001029/1.107, allocations: 476.3 kB / 0.7957 GB, free: 32 kB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.005187/1.112, allocations: 2.074 MB / 0.7977 GB, free: 14.17 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001663/1.114, allocations: 0.5485 MB / 0.7983 GB, free: 13.84 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=72): time 3.346e-06/1.114, allocations: 3.938 kB / 0.7983 GB, free: 13.83 MB / 0.5919 GB Notification: Performance of matching and sorting (n=78): time 0.009435/1.123, allocations: 3.06 MB / 0.8013 GB, free: 12.02 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001453/1.123, allocations: 189 kB / 0.8015 GB, free: 11.8 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002907/1.126, allocations: 1.508 MB / 0.8029 GB, free: 10.99 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.0001463/1.126, allocations: 46.23 kB / 0.803 GB, free: 10.95 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.001143/1.128, allocations: 0.9051 MB / 0.8039 GB, free: 10.16 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.000313/1.128, allocations: 288.6 kB / 0.8041 GB, free: 9.91 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004393/1.128, allocations: 251.9 kB / 0.8044 GB, free: 9.773 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001781/1.129, allocations: 352.8 kB / 0.8047 GB, free: 9.434 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001187/1.13, allocations: 0.4897 MB / 0.8052 GB, free: 9.195 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001486/1.131, allocations: 0.8423 MB / 0.806 GB, free: 8.52 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002579/1.134, allocations: 1.268 MB / 0.8072 GB, free: 7.688 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.187e-06/1.134, allocations: 2.562 kB / 0.8072 GB, free: 7.688 MB / 0.5919 GB Notification: Performance of matching and sorting (n=143) (initialization): time 0.004749/1.139, allocations: 1.608 MB / 0.8088 GB, free: 6.918 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001075/1.139, allocations: 82.38 kB / 0.8089 GB, free: 6.844 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.551e-05/1.139, allocations: 13.97 kB / 0.8089 GB, free: 6.84 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0003279/1.139, allocations: 51.33 kB / 0.809 GB, free: 6.812 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001064/1.14, allocations: 257.5 kB / 0.8092 GB, free: 6.762 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001632/1.142, allocations: 1.511 MB / 0.8107 GB, free: 5.254 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002148/1.144, allocations: 91.75 kB / 0.8108 GB, free: 5.211 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000197/1.144, allocations: 65.72 kB / 0.8108 GB, free: 5.191 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002511/1.147, allocations: 0.7972 MB / 0.8116 GB, free: 4.734 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001672/1.149, allocations: 0.8082 MB / 0.8124 GB, free: 4.078 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002659/1.151, allocations: 1.201 MB / 0.8136 GB, free: 3.281 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.664e-05/1.151, allocations: 3.984 kB / 0.8136 GB, free: 3.277 MB / 0.5919 GB Notification: Performance of matching and sorting (n=143) (initialization_lambda0): time 0.004052/1.155, allocations: 1.55 MB / 0.8151 GB, free: 2.535 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001204/1.155, allocations: 83.02 kB / 0.8152 GB, free: 2.461 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.545e-05/1.155, allocations: 12.61 kB / 0.8152 GB, free: 2.457 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002026/1.156, allocations: 43.91 kB / 0.8152 GB, free: 2.438 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001126/1.157, allocations: 252 kB / 0.8155 GB, free: 2.387 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001598/1.158, allocations: 1.526 MB / 0.817 GB, free: 0.8672 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002005/1.16, allocations: 86.09 kB / 0.817 GB, free: 0.8281 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001817/1.161, allocations: 62.69 kB / 0.8171 GB, free: 0.8125 MB / 0.5919 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 34 * Number of states: 0 () * Number of discrete variables: 6 (TSet.count,$PRE.TSet.count,TSet.T_start,$PRE.TSet.T_start,$whenCondition1,conPI.I.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (124): * Single equations (assignments): 119 * Array equations: 1 * Algorithm blocks: 2 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0005682/1.161, allocations: 258.3 kB / 0.8173 GB, free: 0.5898 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0007021/1.162, allocations: 177.6 kB / 0.8175 GB, free: 0.4922 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003657/1.166, allocations: 1.307 MB / 0.8188 GB, free: 15.75 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.868e-05/1.166, allocations: 12 kB / 0.8188 GB, free: 15.73 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.003e-05/1.166, allocations: 3.984 kB / 0.8188 GB, free: 15.73 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002262/1.168, allocations: 0.9908 MB / 0.8198 GB, free: 14.74 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.008286/1.176, allocations: 2.942 MB / 0.8226 GB, free: 11.76 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.004e-05/1.176, allocations: 6.906 kB / 0.8226 GB, free: 11.75 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009011/1.177, allocations: 186.2 kB / 0.8228 GB, free: 11.58 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002302/1.177, allocations: 72.39 kB / 0.8229 GB, free: 11.5 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.986e-05/1.178, allocations: 31.64 kB / 0.8229 GB, free: 11.48 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001893/1.179, allocations: 2.077 MB / 0.825 GB, free: 9.246 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.157e-06/1.179, allocations: 6.625 kB / 0.825 GB, free: 9.242 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004582/1.184, allocations: 1.955 MB / 0.8269 GB, free: 7.254 MB / 0.6075 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00174/1.186, allocations: 367.7 kB / 0.8272 GB, free: 6.875 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000809/1.187, allocations: 24 kB / 0.8272 GB, free: 6.852 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001518/1.188, allocations: 63.94 kB / 0.8273 GB, free: 6.789 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001768/1.188, allocations: 75.31 kB / 0.8274 GB, free: 6.719 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001017/1.188, allocations: 43.97 kB / 0.8274 GB, free: 6.676 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 0.002739/1.191, allocations: 1.078 MB / 0.8285 GB, free: 5.574 MB / 0.6075 GB Notification: Performance of sort global known variables: time 1.2e-07/1.191, allocations: 0 / 0.8285 GB, free: 5.574 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.006173/1.197, allocations: 0.9208 MB / 0.8294 GB, free: 4.652 MB / 0.6075 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 13 * Number of states: 6 (vol.dynBal.medium.T,mov.filter.x[1],mov.filter.x[2],conPI.I.y,THeaOut.T,hea.vol.dynBal.U) * Number of discrete variables: 3 ($whenCondition1,TSet.T_start,TSet.count) * Number of discrete states: 1 (TSet.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (88): * Single equations (assignments): 79 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002666/1.2, allocations: 0.6067 MB / 0.83 GB, free: 4.098 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.006946/1.207, allocations: 2.884 MB / 0.8328 GB, free: 1.152 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 2.194e-05/1.207, allocations: 11.48 kB / 0.8328 GB, free: 1.148 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.001857/1.209, allocations: 0.6656 MB / 0.8334 GB, free: 492 kB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006389/1.215, allocations: 0.96 MB / 0.8344 GB, free: 15.54 MB / 0.6231 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.009011/1.224, allocations: 3.414 MB / 0.8377 GB, free: 12.06 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001259/1.226, allocations: 1.422 MB / 0.8391 GB, free: 10.6 MB / 0.6231 GB Notification: Performance of simCode: alias equations: time 0.00231/1.228, allocations: 406.6 kB / 0.8395 GB, free: 10.2 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004371/1.228, allocations: 143.4 kB / 0.8396 GB, free: 10.05 MB / 0.6231 GB Notification: Performance of SimCode: time 2.685e-06/1.229, allocations: 8 kB / 0.8396 GB, free: 10.05 MB / 0.6231 GB Notification: Performance of Templates: time 0.08475/1.313, allocations: 41.55 MB / 0.8802 GB, free: 0.9258 MB / 0.6544 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.makefile (rm -f Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.sim & ./Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe 2>&1)