Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_T,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_HeatExchangers_Examples_WaterHeater_T",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_T,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_HeatExchangers_Examples_WaterHeater_T",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 0.001132/0.001132, allocations: 101.7 kB / 16.27 MB, free: 6.414 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00116/0.00116, allocations: 188.9 kB / 17.2 MB, free: 5.949 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.28/1.28, allocations: 222.9 MB / 240.9 MB, free: 15.27 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7049/0.7049, allocations: 122.9 MB / 413.9 MB, free: 15.93 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001366/0.001366, allocations: 67.89 kB / 0.4912 GB, free: 7.355 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3058/0.3072, allocations: 77.92 MB / 0.5673 GB, free: 32.83 MB / 446.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_T): time 0.04168/0.3489, allocations: 53.67 MB / 0.6197 GB, free: 5.059 MB / 462.1 MB Notification: Performance of NFInst.instExpressions: time 0.02372/0.3726, allocations: 17.02 MB / 0.6363 GB, free: 3.992 MB / 478.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003799/0.3765, allocations: 87.5 kB / 0.6364 GB, free: 3.906 MB / 478.1 MB Notification: Performance of NFTyping.typeComponents: time 0.008436/0.3849, allocations: 4.342 MB / 0.6406 GB, free: 15.56 MB / 494.1 MB Notification: Performance of NFTyping.typeBindings: time 0.006169/0.3911, allocations: 2.407 MB / 0.643 GB, free: 13.14 MB / 494.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.005083/0.3962, allocations: 2.279 MB / 0.6452 GB, free: 10.88 MB / 494.1 MB Notification: Performance of NFFlatten.flatten: time 0.008596/0.4048, allocations: 7.41 MB / 0.6525 GB, free: 3.453 MB / 494.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.002264/0.4071, allocations: 1.647 MB / 0.6541 GB, free: 1.777 MB / 494.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.003691/0.4108, allocations: 1.874 MB / 0.6559 GB, free: 15.9 MB / 0.4981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001951/0.4128, allocations: 1.408 MB / 0.6573 GB, free: 14.49 MB / 0.4981 GB Notification: Performance of NFPackage.collectConstants: time 0.0003953/0.4132, allocations: 168 kB / 0.6574 GB, free: 14.32 MB / 0.4981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003459/0.4166, allocations: 2.004 MB / 0.6594 GB, free: 12.32 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 0.0006512/0.4173, allocations: 0.6501 MB / 0.66 GB, free: 11.66 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 0.001388/0.4187, allocations: 1.216 MB / 0.6612 GB, free: 10.44 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.004563/0.4233, allocations: 3.844 MB / 0.665 GB, free: 6.586 MB / 0.4981 GB Notification: Performance of FrontEnd - DAE generated: time 3.827e-06/0.4233, allocations: 0 / 0.665 GB, free: 6.586 MB / 0.4981 GB Notification: Performance of FrontEnd: time 1.773e-06/0.4233, allocations: 4 kB / 0.665 GB, free: 6.582 MB / 0.4981 GB Notification: Performance of Transformations before backend: time 7.108e-05/0.4234, allocations: 0 / 0.665 GB, free: 6.582 MB / 0.4981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 285 * Number of variables: 285 Notification: Performance of Generate backend data structure: time 0.004615/0.428, allocations: 2.928 MB / 0.6678 GB, free: 3.574 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 3.609e-05/0.428, allocations: 8.625 kB / 0.6678 GB, free: 3.566 MB / 0.4981 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001728/0.4282, allocations: 177 kB / 0.668 GB, free: 3.383 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002453/0.4307, allocations: 0.5511 MB / 0.6685 GB, free: 2.828 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00374/0.4344, allocations: 2.606 MB / 0.6711 GB, free: 152 kB / 0.4981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003816/0.4348, allocations: 154.2 kB / 0.6712 GB, free: 15.99 MB / 0.5137 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001688/0.435, allocations: 120 kB / 0.6713 GB, free: 15.88 MB / 0.5137 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0024/0.4374, allocations: 1.367 MB / 0.6727 GB, free: 14.41 MB / 0.5137 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.745e-05/0.4374, allocations: 7.938 kB / 0.6727 GB, free: 14.4 MB / 0.5137 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001045/0.4375, allocations: 48 kB / 0.6727 GB, free: 14.36 MB / 0.5137 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.071e-05/0.4376, allocations: 46.06 kB / 0.6728 GB, free: 14.31 MB / 0.5137 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002631/0.4402, allocations: 1.113 MB / 0.6739 GB, free: 13.19 MB / 0.5137 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 0.008971/0.4492, allocations: 7.508 MB / 0.6812 GB, free: 5.125 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002403/0.4516, allocations: 1.368 MB / 0.6825 GB, free: 3.641 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000944/0.4526, allocations: 430.8 kB / 0.6829 GB, free: 3.219 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.004772/0.4574, allocations: 3.152 MB / 0.686 GB, free: 15.73 MB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001013/0.4584, allocations: 434.8 kB / 0.6864 GB, free: 15.29 MB / 0.5294 GB Notification: Performance of pre-optimization done (n=59): time 2.194e-06/0.4584, allocations: 4 kB / 0.6864 GB, free: 15.29 MB / 0.5294 GB Notification: Performance of matching and sorting (n=59): time 0.003033/0.4615, allocations: 1.267 MB / 0.6877 GB, free: 13.98 MB / 0.5294 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.027e-05/0.4615, allocations: 55.97 kB / 0.6877 GB, free: 13.92 MB / 0.5294 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002267/0.4638, allocations: 2.114 MB / 0.6898 GB, free: 11.78 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 6.487e-05/0.4639, allocations: 41.7 kB / 0.6898 GB, free: 11.73 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007423/0.4646, allocations: 1.022 MB / 0.6908 GB, free: 10.7 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001631/0.4648, allocations: 213 kB / 0.691 GB, free: 10.49 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003717/0.4651, allocations: 310.5 kB / 0.6913 GB, free: 10.18 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 7.771e-05/0.4652, allocations: 309.1 kB / 0.6916 GB, free: 9.871 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001112/0.4664, allocations: 0.5493 MB / 0.6922 GB, free: 9.32 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00137/0.4677, allocations: 1.008 MB / 0.6931 GB, free: 8.129 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002302/0.47, allocations: 1.467 MB / 0.6946 GB, free: 6.492 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.622e-06/0.4701, allocations: 4 kB / 0.6946 GB, free: 6.488 MB / 0.5294 GB Notification: Performance of matching and sorting (n=188) (initialization): time 0.003059/0.4731, allocations: 1.778 MB / 0.6963 GB, free: 4.695 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 3.732e-05/0.4732, allocations: 33.7 kB / 0.6964 GB, free: 4.656 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.309e-05/0.4732, allocations: 12 kB / 0.6964 GB, free: 4.645 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.521e-05/0.4732, allocations: 20 kB / 0.6964 GB, free: 4.625 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001085/0.4743, allocations: 315.9 kB / 0.6967 GB, free: 4.316 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.402e-05/0.4743, allocations: 23.92 kB / 0.6967 GB, free: 4.293 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001139/0.4755, allocations: 191 kB / 0.6969 GB, free: 4.105 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.47e-05/0.4756, allocations: 59.98 kB / 0.6969 GB, free: 4.047 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001632/0.4773, allocations: 0.9796 MB / 0.6979 GB, free: 3.059 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001373/0.4786, allocations: 1.008 MB / 0.6989 GB, free: 1.871 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002313/0.481, allocations: 1.45 MB / 0.7003 GB, free: 256 kB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.722e-06/0.481, allocations: 4 kB / 0.7003 GB, free: 252 kB / 0.5294 GB Notification: Performance of matching and sorting (n=188) (initialization_lambda0): time 0.00317/0.4842, allocations: 1.797 MB / 0.7021 GB, free: 14.43 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 3.343e-05/0.4842, allocations: 37.7 kB / 0.7021 GB, free: 14.38 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.253e-05/0.4842, allocations: 8 kB / 0.7021 GB, free: 14.38 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.494e-05/0.4842, allocations: 20 kB / 0.7021 GB, free: 14.36 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001092/0.4853, allocations: 315.5 kB / 0.7024 GB, free: 14.05 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.008e-05/0.4854, allocations: 23.92 kB / 0.7024 GB, free: 14.02 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001222/0.4866, allocations: 163.8 kB / 0.7026 GB, free: 13.86 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.155e-05/0.4867, allocations: 59.89 kB / 0.7027 GB, free: 13.81 MB / 0.545 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 53 * 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 (154): * Single equations (assignments): 151 * 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 0.0002839/0.487, allocations: 266.8 kB / 0.7029 GB, free: 13.54 MB / 0.545 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002483/0.4872, allocations: 193.5 kB / 0.7031 GB, free: 13.35 MB / 0.545 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002659/0.4899, allocations: 1.143 MB / 0.7042 GB, free: 12.2 MB / 0.545 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.359e-05/0.4899, allocations: 8 kB / 0.7042 GB, free: 12.19 MB / 0.545 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.073e-06/0.49, allocations: 0 / 0.7042 GB, free: 12.19 MB / 0.545 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001949/0.4919, allocations: 0.9698 MB / 0.7052 GB, free: 11.17 MB / 0.545 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004709/0.4966, allocations: 2.628 MB / 0.7077 GB, free: 8.469 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.879e-06/0.4966, allocations: 4.062 kB / 0.7077 GB, free: 8.465 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007326/0.4974, allocations: 143.8 kB / 0.7079 GB, free: 8.324 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001425/0.4975, allocations: 32.78 kB / 0.7079 GB, free: 8.289 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.139e-05/0.4976, allocations: 23.97 kB / 0.7079 GB, free: 8.266 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00098/0.4986, allocations: 1.418 MB / 0.7093 GB, free: 6.707 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.257e-06/0.4986, allocations: 11.91 kB / 0.7093 GB, free: 6.695 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003281/0.5019, allocations: 1.577 MB / 0.7109 GB, free: 5.09 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005893/0.5025, allocations: 402.1 kB / 0.7113 GB, free: 4.676 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000225/0.5027, allocations: 19.94 kB / 0.7113 GB, free: 4.656 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008988/0.5036, allocations: 67.92 kB / 0.7113 GB, free: 4.59 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001232/0.5038, allocations: 52.44 kB / 0.7114 GB, free: 4.539 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.389e-05/0.5038, allocations: 35.97 kB / 0.7114 GB, free: 4.504 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.001856/0.5057, allocations: 1.465 MB / 0.7129 GB, free: 3.027 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.5e-07/0.5057, allocations: 0 / 0.7129 GB, free: 3.027 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.002363/0.5081, allocations: 1.033 MB / 0.7139 GB, free: 1.992 MB / 0.545 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.s[1],mov.filter.s[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 (69): * Single equations (assignments): 60 * 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 {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.005186/0.5133, allocations: 2.908 MB / 0.7167 GB, free: 15.22 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.00433/0.5176, allocations: 2.19 MB / 0.7188 GB, free: 13.01 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 2.905e-06/0.5176, allocations: 0 / 0.7188 GB, free: 13.01 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.00117/0.5188, allocations: 0.5453 MB / 0.7194 GB, free: 12.46 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003663/0.5225, allocations: 0.9696 MB / 0.7203 GB, free: 11.53 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02196/0.5444, allocations: 16.26 MB / 0.7362 GB, free: 9.961 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009972/0.5455, allocations: 1.546 MB / 0.7377 GB, free: 8.383 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.002015/0.5475, allocations: 0.5202 MB / 0.7382 GB, free: 7.859 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001021/0.5485, allocations: 0.8585 MB / 0.7391 GB, free: 7 MB / 0.5762 GB Notification: Performance of SimCode: time 4.61e-07/0.5485, allocations: 0 / 0.7391 GB, free: 7 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.333/1.881, allocations: 55.67 MB / 0.7934 GB, free: 132.5 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.61/13.49, allocations: 11.91 kB / 0.7934 GB, free: 132.5 MB / 0.5762 GB (rm -f IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_T.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_T_res.csv --start-time 0 --stop-time 172800 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 69.12 IBPSA_latest_IBPSA_Fluid_HeatExchangers_Examples_WaterHeater_T.fmu > IBPSA_latest_IBPSA.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe 2>&1)