Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.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: translateModel(Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T") translateModel(Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001535/0.001536, allocations: 104.9 kB / 16.36 MB, free: 6.305 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001693/0.001693, allocations: 189.3 kB / 17.29 MB, free: 5.875 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.373/1.373, allocations: 205.1 MB / 223.2 MB, free: 12.24 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.746/1.746, allocations: 292.3 MB / 0.5496 GB, free: 17.47 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 0.001427/0.001427, allocations: 63.91 kB / 0.6729 GB, free: 5.832 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2381/0.2395, allocations: 114.6 MB / 0.7848 GB, free: 3.156 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T): time 0.471/0.7106, allocations: 53.4 MB / 0.8369 GB, free: 14.44 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.02705/0.7377, allocations: 17.67 MB / 0.8542 GB, free: 2.203 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00465/0.7424, allocations: 86.59 kB / 0.8543 GB, free: 2.172 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.00448/0.747, allocations: 1.156 MB / 0.8554 GB, free: 1.523 MB / 0.6544 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Utilities/Strings.mo:139:3-175:14:writable] Warning: Pure function 'Modelica.Utilities.Strings.isEmpty' contains a call to impure function 'Modelica.Utilities.Strings.Advanced.skipWhiteSpace'. Notification: Performance of NFTyping.typeBindings: time 0.009092/0.7561, allocations: 2.335 MB / 0.8577 GB, free: 176 kB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.01403/0.7702, allocations: 3.636 MB / 0.8612 GB, free: 14.55 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.009735/0.7799, allocations: 4.651 MB / 0.8658 GB, free: 12.37 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0041/0.7841, allocations: 1.641 MB / 0.8674 GB, free: 11.59 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006312/0.7904, allocations: 1.915 MB / 0.8692 GB, free: 10.44 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00341/0.7939, allocations: 1.36 MB / 0.8706 GB, free: 9.59 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.000896/0.7948, allocations: 167.8 kB / 0.8707 GB, free: 9.59 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006337/0.8012, allocations: 1.973 MB / 0.8726 GB, free: 8.531 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.001299/0.8025, allocations: 0.5182 MB / 0.8732 GB, free: 8.141 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.003024/0.8055, allocations: 1.045 MB / 0.8742 GB, free: 7.418 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.008706/0.8143, allocations: 3.461 MB / 0.8776 GB, free: 5.113 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 7.514e-06/0.8143, allocations: 0 / 0.8776 GB, free: 5.113 MB / 0.67 GB Notification: Performance of FrontEnd: time 2.154e-06/0.8143, allocations: 0 / 0.8776 GB, free: 5.113 MB / 0.67 GB Notification: Performance of Transformations before backend: time 0.000104/0.8144, allocations: 0 / 0.8776 GB, free: 5.113 MB / 0.67 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 282 * Number of variables: 282 Notification: Performance of Generate backend data structure: time 0.007258/0.8217, allocations: 2.563 MB / 0.8801 GB, free: 3.195 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 5.057e-05/0.8218, allocations: 10.06 kB / 0.8801 GB, free: 3.195 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002409/0.8242, allocations: 464.5 kB / 0.8805 GB, free: 2.977 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003863/0.8281, allocations: 1.658 MB / 0.8821 GB, free: 1.742 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001081/0.8282, allocations: 96.05 kB / 0.8822 GB, free: 1.695 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000225/0.8284, allocations: 125.9 kB / 0.8823 GB, free: 1.652 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002874/0.8313, allocations: 1.37 MB / 0.8837 GB, free: 0.7305 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.017e-05/0.8314, allocations: 5.25 kB / 0.8837 GB, free: 0.7266 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001146/0.8315, allocations: 48.19 kB / 0.8837 GB, free: 0.6914 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.078e-05/0.8315, allocations: 32.53 kB / 0.8838 GB, free: 0.6875 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002688/0.8342, allocations: 1.07 MB / 0.8848 GB, free: 168 kB / 0.67 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 0.01038/0.8446, allocations: 7.039 MB / 0.8917 GB, free: 9.809 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002619/0.8473, allocations: 1.35 MB / 0.893 GB, free: 8.789 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009697/0.8483, allocations: 411.9 kB / 0.8934 GB, free: 8.59 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.005132/0.8534, allocations: 2.987 MB / 0.8963 GB, free: 5.746 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001101/0.8545, allocations: 437.9 kB / 0.8967 GB, free: 5.484 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=59): time 4.949e-06/0.8546, allocations: 5.766 kB / 0.8967 GB, free: 5.48 MB / 0.6856 GB Notification: Performance of matching and sorting (n=59): time 0.003465/0.858, allocations: 1.217 MB / 0.8979 GB, free: 4.816 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.895e-05/0.8581, allocations: 109.9 kB / 0.898 GB, free: 4.691 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002519/0.8607, allocations: 1.565 MB / 0.8996 GB, free: 3.625 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.0001174/0.8608, allocations: 45.7 kB / 0.8996 GB, free: 3.574 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008199/0.8616, allocations: 0.8878 MB / 0.9005 GB, free: 2.676 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002287/0.8619, allocations: 213 kB / 0.9007 GB, free: 2.465 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003259/0.8622, allocations: 218.4 kB / 0.9009 GB, free: 2.242 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001438/0.8624, allocations: 349.9 kB / 0.9012 GB, free: 1.895 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009498/0.8633, allocations: 392.6 kB / 0.9016 GB, free: 1.508 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001271/0.8646, allocations: 0.791 MB / 0.9024 GB, free: 0.5391 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002111/0.8667, allocations: 1.149 MB / 0.9035 GB, free: 15.22 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.957e-06/0.8667, allocations: 4 kB / 0.9035 GB, free: 15.22 MB / 0.7012 GB Notification: Performance of matching and sorting (n=126) (initialization): time 0.003053/0.8698, allocations: 1.325 MB / 0.9048 GB, free: 13.88 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 5.067e-05/0.8699, allocations: 41.69 kB / 0.9048 GB, free: 13.83 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.704e-05/0.8699, allocations: 12 kB / 0.9048 GB, free: 13.82 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.772e-05/0.8699, allocations: 16 kB / 0.9048 GB, free: 13.8 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001007/0.8709, allocations: 255.7 kB / 0.9051 GB, free: 13.55 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.742e-05/0.871, allocations: 29.27 kB / 0.9051 GB, free: 13.53 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001477/0.8725, allocations: 147.4 kB / 0.9053 GB, free: 13.38 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000128/0.8726, allocations: 59.98 kB / 0.9053 GB, free: 13.32 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00167/0.8743, allocations: 0.6893 MB / 0.906 GB, free: 12.63 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001209/0.8755, allocations: 0.7657 MB / 0.9067 GB, free: 11.68 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002068/0.8776, allocations: 1.121 MB / 0.9078 GB, free: 10.4 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.424e-06/0.8776, allocations: 4 kB / 0.9078 GB, free: 10.39 MB / 0.7012 GB Notification: Performance of matching and sorting (n=126) (initialization_lambda0): time 0.003/0.8806, allocations: 1.298 MB / 0.9091 GB, free: 9.082 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 3.569e-05/0.8807, allocations: 37.77 kB / 0.9091 GB, free: 9.039 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.033e-05/0.8807, allocations: 16 kB / 0.9092 GB, free: 9.023 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.38e-05/0.8807, allocations: 16 kB / 0.9092 GB, free: 9.008 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009681/0.8817, allocations: 255.6 kB / 0.9094 GB, free: 8.758 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.07e-05/0.8817, allocations: 23.94 kB / 0.9094 GB, free: 8.734 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001396/0.8831, allocations: 122 kB / 0.9095 GB, free: 8.617 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001073/0.8833, allocations: 51.98 kB / 0.9096 GB, free: 8.566 MB / 0.7012 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 50 * Number of states: 0 () * Number of discrete variables: 6 (TSet.count,$PRE.TSet.count,TSet.T_start,$PRE.TSet.T_start,$whenCondition1,conPI.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (122): * Single equations (assignments): 118 * Array equations: 2 * Algorithm blocks: 1 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0003436/0.8836, allocations: 257.6 kB / 0.9098 GB, free: 8.309 MB / 0.7012 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003729/0.884, allocations: 165.8 kB / 0.91 GB, free: 8.145 MB / 0.7012 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002787/0.8868, allocations: 1.113 MB / 0.9111 GB, free: 7.035 MB / 0.7012 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.863e-05/0.8868, allocations: 11.98 kB / 0.9111 GB, free: 7.023 MB / 0.7012 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.895e-06/0.8868, allocations: 0 / 0.9111 GB, free: 7.023 MB / 0.7012 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001949/0.8888, allocations: 0.9582 MB / 0.912 GB, free: 6.016 MB / 0.7012 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00486/0.8937, allocations: 2.382 MB / 0.9144 GB, free: 3.57 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.162e-06/0.8937, allocations: 0 / 0.9144 GB, free: 3.57 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000738/0.8944, allocations: 139.9 kB / 0.9145 GB, free: 3.434 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001962/0.8946, allocations: 36.77 kB / 0.9145 GB, free: 3.395 MB / 0.7012 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.789e-05/0.8947, allocations: 23.98 kB / 0.9146 GB, free: 3.371 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001239/0.896, allocations: 1.477 MB / 0.916 GB, free: 1.75 MB / 0.7012 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.855e-06/0.896, allocations: 3.5 kB / 0.916 GB, free: 1.75 MB / 0.7012 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003508/0.8995, allocations: 1.545 MB / 0.9175 GB, free: 176 kB / 0.7012 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008814/0.9004, allocations: 338.8 kB / 0.9178 GB, free: 15.82 MB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002808/0.9007, allocations: 16 kB / 0.9178 GB, free: 15.8 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008588/0.9016, allocations: 55.94 kB / 0.9179 GB, free: 15.75 MB / 0.7169 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000143/0.9017, allocations: 60.42 kB / 0.918 GB, free: 15.69 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.231e-05/0.9018, allocations: 23.98 kB / 0.918 GB, free: 15.66 MB / 0.7169 GB Notification: Performance of sorting global known variables: time 0.001638/0.9034, allocations: 1.109 MB / 0.9191 GB, free: 14.53 MB / 0.7169 GB Notification: Performance of sort global known variables: time 1.5e-07/0.9035, allocations: 3.938 kB / 0.9191 GB, free: 14.53 MB / 0.7169 GB Notification: Performance of remove unused functions: time 0.002861/0.9063, allocations: 0.9199 MB / 0.92 GB, free: 13.61 MB / 0.7169 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 6 (vol.dynBal.U,mov.filter.x[1],mov.filter.x[2],conPI.I.y,THeaOut.T,hea.outCon.T) * 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 (68): * Single equations (assignments): 59 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 2 * 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 Backend phase and start with SimCode phase: time 0.002016/0.9084, allocations: 0.7602 MB / 0.9207 GB, free: 13 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.00378/0.9122, allocations: 1.674 MB / 0.9223 GB, free: 11.3 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 4.589e-06/0.9122, allocations: 4 kB / 0.9223 GB, free: 11.29 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.001238/0.9134, allocations: 0.5387 MB / 0.9229 GB, free: 10.74 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00372/0.9172, allocations: 0.8033 MB / 0.9237 GB, free: 10 MB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005699/0.9229, allocations: 3.132 MB / 0.9267 GB, free: 6.828 MB / 0.7169 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009351/0.9238, allocations: 1.364 MB / 0.928 GB, free: 5.434 MB / 0.7169 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000506/0.9244, allocations: 151.4 kB / 0.9282 GB, free: 5.285 MB / 0.7169 GB Notification: Performance of SimCode: time 2.979e-05/0.9244, allocations: 0 / 0.9282 GB, free: 5.285 MB / 0.7169 GB Notification: Performance of Templates: time 0.05038/0.9748, allocations: 34.39 MB / 0.9618 GB, free: 3.195 MB / 0.7481 GB make -j1 -f Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.makefile (rm -f Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe ; mkfifo Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe >> ../files/Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.sim & ./Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe 2>&1)