Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u.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/BuildSysPro 3.6.0/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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: translateModel(BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u") translateModel(BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009032/0.0009034, allocations: 92.16 kB / 16.02 MB, free: 80 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001213/0.001213, allocations: 173 kB / 16.92 MB, free: 6.652 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.387/1.387, allocations: 223.3 MB / 241 MB, free: 5.332 MB / 190.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 1.009/1.009, allocations: 143.2 MB / 435.3 MB, free: 13.73 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00036/0.0003601, allocations: 8 kB / 0.517 GB, free: 11.23 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1681/0.1684, allocations: 83.41 MB / 0.5985 GB, free: 7.781 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u): time 0.3282/0.4967, allocations: 65.81 MB / 0.6628 GB, free: 1.379 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.02764/0.5244, allocations: 18.59 MB / 0.6809 GB, free: 4.18 MB / 0.5137 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003974/0.5284, allocations: 82.81 kB / 0.681 GB, free: 4.148 MB / 0.5137 GB Notification: Performance of NFTyping.typeComponents: time 0.01007/0.5385, allocations: 4.185 MB / 0.6851 GB, free: 2.805 MB / 0.5137 GB Notification: Performance of NFTyping.typeBindings: time 0.009131/0.5477, allocations: 2.528 MB / 0.6876 GB, free: 1.32 MB / 0.5137 GB Notification: Performance of NFTyping.typeClassSections: time 0.006914/0.5546, allocations: 2.131 MB / 0.6896 GB, free: 144 kB / 0.5137 GB [/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/NFFrontEnd/NFCeval.mo:1080:9-1080:67:writable] Error: Internal error NFCeval.evalBinaryMul failed to evaluate ‘{0.0, 0.05423941276795777}[pressure.n] * 0.0‘ Notification: Performance of NFFlatten.flatten: time 0.01652/0.5712, allocations: 10.01 MB / 0.6994 GB, free: 12.83 MB / 0.5294 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003815/0.575, allocations: 1.602 MB / 0.701 GB, free: 12.14 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005378/0.5804, allocations: 1.719 MB / 0.7027 GB, free: 11.39 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004/0.5845, allocations: 1.51 MB / 0.7041 GB, free: 10.73 MB / 0.5294 GB Notification: Performance of NFPackage.collectConstants: time 0.0007214/0.5853, allocations: 74.47 kB / 0.7042 GB, free: 10.73 MB / 0.5294 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006225/0.5915, allocations: 2.036 MB / 0.7062 GB, free: 10.05 MB / 0.5294 GB Notification: Performance of NFScalarize.scalarize: time 0.001475/0.593, allocations: 0.5685 MB / 0.7067 GB, free: 9.816 MB / 0.5294 GB Notification: Performance of NFVerifyModel.verify: time 0.002809/0.5958, allocations: 1.203 MB / 0.7079 GB, free: 9.016 MB / 0.5294 GB Notification: Performance of NFConvertDAE.convert: time 0.006038/0.6019, allocations: 3.336 MB / 0.7112 GB, free: 6.727 MB / 0.5294 GB Notification: Performance of FrontEnd - DAE generated: time 5.05e-06/0.6019, allocations: 0 / 0.7112 GB, free: 6.727 MB / 0.5294 GB Notification: Performance of FrontEnd: time 2.695e-06/0.602, allocations: 0 / 0.7112 GB, free: 6.727 MB / 0.5294 GB Notification: Performance of Transformations before backend: time 9.417e-05/0.6021, allocations: 0 / 0.7112 GB, free: 6.727 MB / 0.5294 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 314 * Number of variables: 314 Notification: Performance of Generate backend data structure: time 0.005701/0.6078, allocations: 2.665 MB / 0.7138 GB, free: 4.707 MB / 0.5294 GB Notification: Performance of prepare preOptimizeDAE: time 4.259e-05/0.6078, allocations: 12.34 kB / 0.7138 GB, free: 4.707 MB / 0.5294 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002161/0.61, allocations: 496.8 kB / 0.7143 GB, free: 4.488 MB / 0.5294 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005366/0.6154, allocations: 2.818 MB / 0.717 GB, free: 2.523 MB / 0.5294 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004516/0.6159, allocations: 161 kB / 0.7172 GB, free: 2.461 MB / 0.5294 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003123/0.6162, allocations: 138.7 kB / 0.7173 GB, free: 2.414 MB / 0.5294 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003062/0.6193, allocations: 1.484 MB / 0.7187 GB, free: 0.9023 MB / 0.5294 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.566e-05/0.6193, allocations: 3.938 kB / 0.7188 GB, free: 0.8984 MB / 0.5294 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001427/0.6195, allocations: 52 kB / 0.7188 GB, free: 0.8477 MB / 0.5294 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.35e-05/0.6195, allocations: 50.31 kB / 0.7188 GB, free: 0.7969 MB / 0.5294 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002945/0.6225, allocations: 1.192 MB / 0.72 GB, free: 15.6 MB / 0.545 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 0.01202/0.6345, allocations: 7.814 MB / 0.7276 GB, free: 7.199 MB / 0.545 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002492/0.637, allocations: 1.358 MB / 0.729 GB, free: 5.73 MB / 0.545 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001121/0.6382, allocations: 483.7 kB / 0.7294 GB, free: 5.254 MB / 0.545 GB Notification: Performance of preOpt evalFunc (simulation): time 0.005866/0.6441, allocations: 2.774 MB / 0.7321 GB, free: 2.254 MB / 0.545 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001238/0.6453, allocations: 0.5025 MB / 0.7326 GB, free: 1.734 MB / 0.545 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0009219/0.6463, allocations: 99.12 kB / 0.7327 GB, free: 1.637 MB / 0.545 GB Notification: Performance of pre-optimization done (n=63): time 3.367e-06/0.6463, allocations: 0 / 0.7327 GB, free: 1.637 MB / 0.545 GB Notification: Performance of matching and sorting (n=63): time 0.003732/0.65, allocations: 1.342 MB / 0.734 GB, free: 272 kB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.555e-05/0.6501, allocations: 111.4 kB / 0.7341 GB, free: 136 kB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003257/0.6534, allocations: 2.069 MB / 0.7362 GB, free: 14.04 MB / 0.5606 GB Notification: Performance of collectPreVariables (initialization): time 0.0001458/0.6536, allocations: 53.64 kB / 0.7362 GB, free: 13.98 MB / 0.5606 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009826/0.6545, allocations: 1.026 MB / 0.7372 GB, free: 12.95 MB / 0.5606 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002624/0.6548, allocations: 236.7 kB / 0.7374 GB, free: 12.71 MB / 0.5606 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001951/0.655, allocations: 153.6 kB / 0.7376 GB, free: 12.55 MB / 0.5606 GB Notification: Performance of setup shared object (initialization): time 0.0001291/0.6552, allocations: 305.1 kB / 0.7379 GB, free: 12.25 MB / 0.5606 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001285/0.6565, allocations: 0.5771 MB / 0.7384 GB, free: 11.67 MB / 0.5606 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001577/0.658, allocations: 0.9884 MB / 0.7394 GB, free: 10.52 MB / 0.5606 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002651/0.6607, allocations: 1.48 MB / 0.7409 GB, free: 8.883 MB / 0.5606 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.148e-05/0.6607, allocations: 7.938 kB / 0.7409 GB, free: 8.875 MB / 0.5606 GB Notification: Performance of matching and sorting (n=190) (initialization): time 0.003934/0.6647, allocations: 1.816 MB / 0.7426 GB, free: 7.043 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 0.0003507/0.6651, allocations: 448.9 kB / 0.7431 GB, free: 6.453 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.806e-05/0.6651, allocations: 12 kB / 0.7431 GB, free: 6.441 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.077e-05/0.6651, allocations: 16 kB / 0.7431 GB, free: 6.426 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001204/0.6663, allocations: 315.5 kB / 0.7434 GB, free: 6.117 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.777e-05/0.6664, allocations: 25.23 kB / 0.7434 GB, free: 6.094 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001947/0.6683, allocations: 161.6 kB / 0.7436 GB, free: 5.938 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001446/0.6685, allocations: 63.98 kB / 0.7436 GB, free: 5.875 MB / 0.5606 GB Notification: Performance of prepare postOptimizeDAE: time 1.18e-05/0.6685, allocations: 4 kB / 0.7436 GB, free: 5.871 MB / 0.5606 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.003271/0.6718, allocations: 1.609 MB / 0.7452 GB, free: 4.254 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.623e-05/0.6718, allocations: 8 kB / 0.7452 GB, free: 4.246 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.053e-05/0.6719, allocations: 16 kB / 0.7452 GB, free: 4.23 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001153/0.673, allocations: 319.6 kB / 0.7455 GB, free: 3.918 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.961e-05/0.6731, allocations: 28.47 kB / 0.7456 GB, free: 3.891 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001878/0.6749, allocations: 154.2 kB / 0.7457 GB, free: 3.738 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001187/0.6751, allocations: 63.98 kB / 0.7458 GB, free: 3.676 MB / 0.5606 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 48 * 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 (156): * Single equations (assignments): 153 * Array equations: 1 * 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 0.001208/0.6763, allocations: 0.6034 MB / 0.7464 GB, free: 3.062 MB / 0.5606 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004048/0.6767, allocations: 205.4 kB / 0.7466 GB, free: 2.859 MB / 0.5606 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002826/0.6795, allocations: 1.148 MB / 0.7477 GB, free: 1.711 MB / 0.5606 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.659e-05/0.6796, allocations: 8 kB / 0.7477 GB, free: 1.703 MB / 0.5606 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.504e-06/0.6796, allocations: 0 / 0.7477 GB, free: 1.703 MB / 0.5606 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002038/0.6816, allocations: 0.8432 MB / 0.7485 GB, free: 0.8438 MB / 0.5606 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 postOpt removeSimpleEquations (simulation): time 0.006254/0.6879, allocations: 2.977 MB / 0.7514 GB, free: 13.78 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.115e-06/0.6879, allocations: 7.938 kB / 0.7514 GB, free: 13.77 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008328/0.6888, allocations: 172.7 kB / 0.7516 GB, free: 13.61 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001882/0.689, allocations: 28.84 kB / 0.7516 GB, free: 13.57 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.819e-05/0.689, allocations: 19.98 kB / 0.7516 GB, free: 13.55 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001091/0.6901, allocations: 1.327 MB / 0.7529 GB, free: 12.09 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.43e-06/0.6902, allocations: 7.938 kB / 0.7529 GB, free: 12.09 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003995/0.6942, allocations: 1.7 MB / 0.7546 GB, free: 10.34 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001329/0.6955, allocations: 426 kB / 0.755 GB, free: 9.902 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004013/0.6959, allocations: 15.98 kB / 0.755 GB, free: 9.887 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001312/0.6973, allocations: 143.7 kB / 0.7552 GB, free: 9.746 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001545/0.6974, allocations: 56.47 kB / 0.7552 GB, free: 9.691 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.117e-05/0.6975, allocations: 31.98 kB / 0.7552 GB, free: 9.66 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.002432/0.7, allocations: 1.454 MB / 0.7567 GB, free: 8.195 MB / 0.5762 GB Notification: Performance of sort global known variables: time 5.31e-07/0.7, allocations: 4 kB / 0.7567 GB, free: 8.191 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.003782/0.7038, allocations: 1.107 MB / 0.7577 GB, free: 7.082 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 6 (vol.dynBal.U,mov.filter.s[1],mov.filter.s[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 (75): * Single equations (assignments): 67 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * 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 {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001637/0.7054, allocations: 0.6569 MB / 0.7584 GB, free: 6.43 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.004665/0.7101, allocations: 2.196 MB / 0.7605 GB, free: 4.215 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 6.883e-06/0.7101, allocations: 0 / 0.7605 GB, free: 4.215 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.001341/0.7115, allocations: 0.5772 MB / 0.7611 GB, free: 3.629 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005847/0.7173, allocations: 1.046 MB / 0.7621 GB, free: 2.602 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007437/0.7248, allocations: 4.729 MB / 0.7667 GB, free: 13.8 MB / 0.5919 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001244/0.7261, allocations: 1.57 MB / 0.7683 GB, free: 12.2 MB / 0.5919 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007015/0.7268, allocations: 183.4 kB / 0.7684 GB, free: 12.02 MB / 0.5919 GB Notification: Performance of SimCode: time 2.635e-06/0.7268, allocations: 0 / 0.7684 GB, free: 12.02 MB / 0.5919 GB Notification: Performance of Templates: time 0.06462/0.7914, allocations: 42.11 MB / 0.8096 GB, free: 2.188 MB / 0.6231 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe 2>&1)