Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_IDEAS.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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(IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_T,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_T") translateModel(IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_T,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.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 0.001108/0.001108, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001108/0.001108, allocations: 196.1 kB / 16.14 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.355/1.355, allocations: 222.9 MB / 239.8 MB, free: 4.602 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7591/0.7591, allocations: 132.2 MB / 422.1 MB, free: 2.031 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001299/0.001299, allocations: 68.2 kB / 0.5011 GB, free: 9.227 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1781/0.1794, allocations: 80.21 MB / 0.5794 GB, free: 9.246 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_T): time 0.3251/0.5046, allocations: 52.91 MB / 0.6311 GB, free: 28.01 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01878/0.5234, allocations: 15.27 MB / 0.646 GB, free: 17.2 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003603/0.527, allocations: 87.19 kB / 0.6461 GB, free: 17.17 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.00339/0.5305, allocations: 0.9503 MB / 0.647 GB, free: 16.68 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.00593/0.5364, allocations: 2.154 MB / 0.6491 GB, free: 15.44 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.005115/0.5415, allocations: 2.015 MB / 0.6511 GB, free: 14.34 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.007027/0.5486, allocations: 6.003 MB / 0.657 GB, free: 12.1 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002954/0.5516, allocations: 1.397 MB / 0.6583 GB, free: 11.49 MB / 0.4981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004141/0.5557, allocations: 1.674 MB / 0.66 GB, free: 10.75 MB / 0.4981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003104/0.5589, allocations: 1.357 MB / 0.6613 GB, free: 10.17 MB / 0.4981 GB Notification: Performance of NFPackage.collectConstants: time 0.0007047/0.5596, allocations: 88.06 kB / 0.6614 GB, free: 10.17 MB / 0.4981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004638/0.5642, allocations: 1.737 MB / 0.6631 GB, free: 9.605 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 0.0009882/0.5652, allocations: 458.5 kB / 0.6635 GB, free: 9.391 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 0.002177/0.5674, allocations: 0.9561 MB / 0.6644 GB, free: 8.812 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.006009/0.5735, allocations: 3.216 MB / 0.6676 GB, free: 7.605 MB / 0.4981 GB Notification: Performance of FrontEnd - DAE generated: time 1.009e-05/0.5735, allocations: 6.156 kB / 0.6676 GB, free: 7.602 MB / 0.4981 GB Notification: Performance of FrontEnd: time 2.374e-06/0.5735, allocations: 0 / 0.6676 GB, free: 7.602 MB / 0.4981 GB Notification: Performance of Transformations before backend: time 0.00012/0.5736, allocations: 0 / 0.6676 GB, free: 7.602 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: 281 * Number of variables: 281 Notification: Performance of Generate backend data structure: time 0.006087/0.5797, allocations: 2.533 MB / 0.6701 GB, free: 5.957 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 3.794e-05/0.5798, allocations: 8.969 kB / 0.6701 GB, free: 5.957 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002477/0.5823, allocations: 452.5 kB / 0.6705 GB, free: 5.828 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003589/0.5859, allocations: 1.647 MB / 0.6721 GB, free: 4.906 MB / 0.4981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004048/0.5863, allocations: 150.4 kB / 0.6722 GB, free: 4.855 MB / 0.4981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002531/0.5865, allocations: 116.6 kB / 0.6724 GB, free: 4.82 MB / 0.4981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002874/0.5894, allocations: 1.353 MB / 0.6737 GB, free: 4.168 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.37e-05/0.5895, allocations: 5.312 kB / 0.6737 GB, free: 4.164 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001247/0.5896, allocations: 47 kB / 0.6737 GB, free: 4.129 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.024e-05/0.5897, allocations: 40.42 kB / 0.6738 GB, free: 4.125 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0029/0.5926, allocations: 1.101 MB / 0.6748 GB, free: 3.746 MB / 0.4981 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 0.0102/0.6028, allocations: 6.958 MB / 0.6816 GB, free: 14.48 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002669/0.6055, allocations: 1.386 MB / 0.683 GB, free: 13.56 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001079/0.6066, allocations: 425.2 kB / 0.6834 GB, free: 13.42 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0058/0.6124, allocations: 3.096 MB / 0.6864 GB, free: 10.95 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001169/0.6136, allocations: 444.8 kB / 0.6868 GB, free: 10.79 MB / 0.5137 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0007277/0.6143, allocations: 85.27 kB / 0.6869 GB, free: 10.75 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=61): time 3.567e-06/0.6143, allocations: 0 / 0.6869 GB, free: 10.75 MB / 0.5137 GB Notification: Performance of matching and sorting (n=61): time 0.003547/0.6179, allocations: 1.23 MB / 0.6881 GB, free: 10.23 MB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.434e-05/0.6179, allocations: 58.66 kB / 0.6882 GB, free: 10.17 MB / 0.5137 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002636/0.6206, allocations: 1.516 MB / 0.6897 GB, free: 9.602 MB / 0.5137 GB Notification: Performance of collectPreVariables (initialization): time 9.736e-05/0.6207, allocations: 40.2 kB / 0.6897 GB, free: 9.562 MB / 0.5137 GB Notification: Performance of collectInitialEqns (initialization): time 0.0008403/0.6216, allocations: 0.8883 MB / 0.6906 GB, free: 8.859 MB / 0.5137 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002285/0.6218, allocations: 217.2 kB / 0.6908 GB, free: 8.691 MB / 0.5137 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003789/0.6222, allocations: 210.5 kB / 0.691 GB, free: 8.59 MB / 0.5137 GB Notification: Performance of setup shared object (initialization): time 0.000143/0.6223, allocations: 342.1 kB / 0.6913 GB, free: 8.27 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001046/0.6234, allocations: 386.9 kB / 0.6917 GB, free: 8.145 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001297/0.6247, allocations: 0.7595 MB / 0.6924 GB, free: 7.539 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002304/0.627, allocations: 1.124 MB / 0.6935 GB, free: 6.773 MB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.162e-05/0.627, allocations: 3.406 kB / 0.6935 GB, free: 6.773 MB / 0.5137 GB Notification: Performance of matching and sorting (n=123) (initialization): time 0.003113/0.6302, allocations: 1.303 MB / 0.6948 GB, free: 6.246 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 4.573e-05/0.6302, allocations: 38.44 kB / 0.6948 GB, free: 6.215 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.128e-05/0.6302, allocations: 10.72 kB / 0.6948 GB, free: 6.215 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.68e-05/0.6303, allocations: 16.78 kB / 0.6948 GB, free: 6.215 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001061/0.6313, allocations: 260.7 kB / 0.6951 GB, free: 6.164 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.897e-05/0.6314, allocations: 24.42 kB / 0.6951 GB, free: 6.156 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001434/0.6328, allocations: 115.7 kB / 0.6952 GB, free: 6.105 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001159/0.633, allocations: 53.14 kB / 0.6953 GB, free: 6.094 MB / 0.5137 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001591/0.6346, allocations: 0.6782 MB / 0.6959 GB, free: 5.703 MB / 0.5137 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00124/0.6358, allocations: 0.7413 MB / 0.6967 GB, free: 5.023 MB / 0.5137 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002162/0.638, allocations: 1.096 MB / 0.6977 GB, free: 4.176 MB / 0.5137 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.518e-06/0.638, allocations: 2.969 kB / 0.6977 GB, free: 4.176 MB / 0.5137 GB Notification: Performance of matching and sorting (n=123) (initialization_lambda0): time 0.002934/0.6409, allocations: 1.27 MB / 0.699 GB, free: 3.527 MB / 0.5137 GB Notification: Performance of prepare postOptimizeDAE: time 3.655e-05/0.641, allocations: 44.31 kB / 0.699 GB, free: 3.488 MB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.42e-05/0.641, allocations: 14.47 kB / 0.699 GB, free: 3.484 MB / 0.5137 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.836e-05/0.641, allocations: 22.69 kB / 0.6991 GB, free: 3.484 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001004/0.642, allocations: 252.2 kB / 0.6993 GB, free: 3.422 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.375e-05/0.6421, allocations: 24.25 kB / 0.6993 GB, free: 3.414 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001355/0.6434, allocations: 124.7 kB / 0.6994 GB, free: 3.355 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.29e-05/0.6436, allocations: 52.11 kB / 0.6995 GB, free: 3.344 MB / 0.5137 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 49 * 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 (121): * Single equations (assignments): 119 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 0 * 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 0.0002858/0.6439, allocations: 250.9 kB / 0.6997 GB, free: 3.109 MB / 0.5137 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002932/0.6442, allocations: 165.3 kB / 0.6999 GB, free: 3.02 MB / 0.5137 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002753/0.6469, allocations: 1.128 MB / 0.701 GB, free: 2.406 MB / 0.5137 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.833e-05/0.6469, allocations: 7.688 kB / 0.701 GB, free: 2.406 MB / 0.5137 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.033e-06/0.647, allocations: 0 / 0.701 GB, free: 2.406 MB / 0.5137 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002094/0.6491, allocations: 0.9747 MB / 0.7019 GB, free: 1.785 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 postOpt removeSimpleEquations (simulation): time 0.005028/0.6541, allocations: 2.408 MB / 0.7043 GB, free: 216 kB / 0.5137 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.456e-06/0.6541, allocations: 3.938 kB / 0.7043 GB, free: 212 kB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007581/0.6549, allocations: 144.8 kB / 0.7044 GB, free: 172 kB / 0.5137 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001571/0.6551, allocations: 28.78 kB / 0.7045 GB, free: 152 kB / 0.5137 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.102e-05/0.6551, allocations: 25.42 kB / 0.7045 GB, free: 136 kB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001009/0.6561, allocations: 1.311 MB / 0.7058 GB, free: 14.78 MB / 0.5294 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.308e-06/0.6562, allocations: 6.344 kB / 0.7058 GB, free: 14.78 MB / 0.5294 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003338/0.6595, allocations: 1.561 MB / 0.7073 GB, free: 13.9 MB / 0.5294 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006736/0.6602, allocations: 330.4 kB / 0.7076 GB, free: 13.62 MB / 0.5294 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003388/0.6605, allocations: 15 kB / 0.7076 GB, free: 13.61 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001087/0.6616, allocations: 109.8 kB / 0.7077 GB, free: 13.56 MB / 0.5294 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001295/0.6618, allocations: 65.08 kB / 0.7078 GB, free: 13.52 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.422e-05/0.6619, allocations: 31.38 kB / 0.7078 GB, free: 13.51 MB / 0.5294 GB Notification: Performance of sorting global known variables: time 0.00155/0.6634, allocations: 1.079 MB / 0.7089 GB, free: 12.81 MB / 0.5294 GB Notification: Performance of sort global known variables: time 1.8e-07/0.6634, allocations: 0 / 0.7089 GB, free: 12.81 MB / 0.5294 GB Notification: Performance of remove unused functions: time 0.002804/0.6662, allocations: 0.8576 MB / 0.7097 GB, free: 11.95 MB / 0.5294 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 (71): * Single equations (assignments): 62 * 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 0.001925/0.6682, allocations: 0.7266 MB / 0.7104 GB, free: 11.39 MB / 0.5294 GB Notification: Performance of simCode: created initialization part: time 0.003673/0.6719, allocations: 1.594 MB / 0.712 GB, free: 9.777 MB / 0.5294 GB Notification: Performance of simCode: created event and clocks part: time 3.086e-06/0.6719, allocations: 0.5 kB / 0.712 GB, free: 9.777 MB / 0.5294 GB Notification: Performance of simCode: created simulation system equations: time 0.001234/0.6731, allocations: 0.5423 MB / 0.7125 GB, free: 9.223 MB / 0.5294 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003326/0.6764, allocations: 0.7283 MB / 0.7132 GB, free: 8.508 MB / 0.5294 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005896/0.6824, allocations: 3.688 MB / 0.7168 GB, free: 4.785 MB / 0.5294 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001038/0.6834, allocations: 1.364 MB / 0.7182 GB, free: 3.395 MB / 0.5294 GB Notification: Performance of simCode: alias equations: time 0.001841/0.6853, allocations: 413.5 kB / 0.7186 GB, free: 2.988 MB / 0.5294 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003833/0.6857, allocations: 135.4 kB / 0.7187 GB, free: 2.855 MB / 0.5294 GB Notification: Performance of SimCode: time 6.21e-07/0.6857, allocations: 0 / 0.7187 GB, free: 2.855 MB / 0.5294 GB Notification: Performance of Templates: time 0.05645/0.7421, allocations: 30.03 MB / 0.748 GB, free: 5.23 MB / 0.5606 GB make -j1 -f IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_T.makefile (rm -f IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe ; mkfifo IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe >> ../files/IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_T.sim & ./IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_T -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_T.pipe 2>&1)