Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.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 7.0.3-maint.7.0.x/package.mo", uses=false) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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.Storage.BaseClasses.Examples.IndirectTankHeatExchanger,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger") translateModel(Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00939/0.00939, allocations: 100.3 kB / 15.73 MB, free: 6.062 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001799/0.001799, allocations: 189 kB / 16.67 MB, free: 5.969 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.528/1.528, allocations: 205.1 MB / 222.5 MB, free: 4.512 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.606/1.606, allocations: 251.7 MB / 0.5094 GB, free: 3.004 MB / 414.1 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 0.00141/0.00141, allocations: 67.91 kB / 0.7258 GB, free: 9 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2697/0.2711, allocations: 104.7 MB / 0.828 GB, free: 196 kB / 0.6387 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger): time 0.03334/0.3045, allocations: 28.58 MB / 0.856 GB, free: 3.496 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.01318/0.3177, allocations: 7.833 MB / 0.8636 GB, free: 11.64 MB / 0.6856 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001793/0.3196, allocations: 35.81 kB / 0.8636 GB, free: 11.61 MB / 0.6856 GB Notification: Performance of NFTyping.typeComponents: time 0.00135/0.321, allocations: 405.2 kB / 0.864 GB, free: 11.21 MB / 0.6856 GB Notification: Performance of NFTyping.typeBindings: time 0.003664/0.3247, allocations: 1.003 MB / 0.865 GB, free: 10.2 MB / 0.6856 GB Notification: Performance of NFTyping.typeClassSections: time 0.003312/0.328, allocations: 1.042 MB / 0.866 GB, free: 9.168 MB / 0.6856 GB Notification: Performance of NFFlatten.flatten: time 0.006283/0.3343, allocations: 4.878 MB / 0.8708 GB, free: 4.277 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003374/0.3377, allocations: 2.273 MB / 0.873 GB, free: 1.969 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004481/0.3422, allocations: 1.79 MB / 0.8748 GB, free: 188 kB / 0.6856 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00297/0.3452, allocations: 1.447 MB / 0.8762 GB, free: 14.73 MB / 0.7012 GB Notification: Performance of NFPackage.collectConstants: time 0.0004234/0.3456, allocations: 228 kB / 0.8764 GB, free: 14.51 MB / 0.7012 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003207/0.3489, allocations: 1.311 MB / 0.8777 GB, free: 13.2 MB / 0.7012 GB Notification: Performance of NFScalarize.scalarize: time 0.0007429/0.3496, allocations: 0.5491 MB / 0.8782 GB, free: 12.64 MB / 0.7012 GB Notification: Performance of NFVerifyModel.verify: time 0.001843/0.3515, allocations: 1.144 MB / 0.8793 GB, free: 11.5 MB / 0.7012 GB Notification: Performance of NFConvertDAE.convert: time 0.00546/0.3569, allocations: 3.652 MB / 0.8829 GB, free: 7.832 MB / 0.7012 GB Notification: Performance of FrontEnd - DAE generated: time 8.816e-06/0.357, allocations: 0 / 0.8829 GB, free: 7.832 MB / 0.7012 GB Notification: Performance of FrontEnd: time 1.944e-06/0.357, allocations: 0 / 0.8829 GB, free: 7.832 MB / 0.7012 GB Notification: Performance of Transformations before backend: time 7.215e-05/0.3571, allocations: 0 / 0.8829 GB, free: 7.832 MB / 0.7012 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 348 * Number of variables: 348 Notification: Performance of Generate backend data structure: time 0.006435/0.3635, allocations: 2.594 MB / 0.8854 GB, free: 5.18 MB / 0.7012 GB Notification: Performance of prepare preOptimizeDAE: time 7.661e-05/0.3636, allocations: 8.031 kB / 0.8854 GB, free: 5.172 MB / 0.7012 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001142/0.3647, allocations: 243.6 kB / 0.8857 GB, free: 4.934 MB / 0.7012 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003757/0.3685, allocations: 1.77 MB / 0.8874 GB, free: 3.109 MB / 0.7012 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.089e-05/0.3686, allocations: 122.7 kB / 0.8875 GB, free: 2.988 MB / 0.7012 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002476/0.3689, allocations: 152 kB / 0.8876 GB, free: 2.84 MB / 0.7012 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003329/0.3722, allocations: 1.974 MB / 0.8896 GB, free: 0.8008 MB / 0.7012 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.482e-05/0.3723, allocations: 11.94 kB / 0.8896 GB, free: 0.7891 MB / 0.7012 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001396/0.3724, allocations: 52 kB / 0.8896 GB, free: 0.7383 MB / 0.7012 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.329e-05/0.3725, allocations: 43.94 kB / 0.8897 GB, free: 0.6953 MB / 0.7012 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002901/0.3754, allocations: 1.798 MB / 0.8914 GB, free: 14.89 MB / 0.7169 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 0.0118/0.3872, allocations: 7.591 MB / 0.8988 GB, free: 6.992 MB / 0.7169 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001946/0.3892, allocations: 1.448 MB / 0.9003 GB, free: 5.516 MB / 0.7169 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008728/0.3901, allocations: 0.6564 MB / 0.9009 GB, free: 4.855 MB / 0.7169 GB Notification: Performance of preOpt evalFunc (simulation): time 0.006669/0.3968, allocations: 3.847 MB / 0.9047 GB, free: 0.6914 MB / 0.7169 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.747e-05/0.3968, allocations: 43.56 kB / 0.9047 GB, free: 0.6406 MB / 0.7169 GB Notification: Performance of pre-optimization done (n=88): time 3.126e-06/0.3968, allocations: 0 / 0.9047 GB, free: 0.6406 MB / 0.7169 GB Notification: Performance of matching and sorting (n=88): time 0.002723/0.3996, allocations: 1.518 MB / 0.9062 GB, free: 15.12 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.982e-05/0.3996, allocations: 64.41 kB / 0.9062 GB, free: 15.04 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002356/0.402, allocations: 1.625 MB / 0.9078 GB, free: 13.4 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 9.136e-05/0.4021, allocations: 45.7 kB / 0.9079 GB, free: 13.35 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007156/0.4028, allocations: 0.7669 MB / 0.9086 GB, free: 12.58 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003434/0.4032, allocations: 325.2 kB / 0.9089 GB, free: 12.26 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000422/0.4036, allocations: 299.4 kB / 0.9092 GB, free: 11.96 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001775/0.4038, allocations: 365.9 kB / 0.9096 GB, free: 11.6 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001031/0.4048, allocations: 0.6956 MB / 0.9102 GB, free: 10.9 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001503/0.4063, allocations: 1.02 MB / 0.9112 GB, free: 9.746 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002548/0.4089, allocations: 1.624 MB / 0.9128 GB, free: 7.996 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.102e-05/0.4089, allocations: 3.938 kB / 0.9128 GB, free: 7.992 MB / 0.7325 GB Notification: Performance of matching and sorting (n=175) (initialization): time 0.004078/0.413, allocations: 1.956 MB / 0.9147 GB, free: 6.027 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 5.165e-05/0.4131, allocations: 8 kB / 0.9147 GB, free: 6.02 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.935e-05/0.4131, allocations: 8 kB / 0.9148 GB, free: 6.012 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.806e-05/0.4132, allocations: 24.05 kB / 0.9148 GB, free: 5.988 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001291/0.4144, allocations: 331.5 kB / 0.9151 GB, free: 5.664 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.394e-05/0.4145, allocations: 23.92 kB / 0.9151 GB, free: 5.641 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001642/0.4161, allocations: 206.6 kB / 0.9153 GB, free: 5.438 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001345/0.4163, allocations: 59.98 kB / 0.9154 GB, free: 5.379 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002465/0.4188, allocations: 1.273 MB / 0.9166 GB, free: 4.102 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001291/0.4201, allocations: 1.016 MB / 0.9176 GB, free: 2.961 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002089/0.4222, allocations: 1.632 MB / 0.9192 GB, free: 1.207 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.588e-06/0.4222, allocations: 4 kB / 0.9192 GB, free: 1.203 MB / 0.7325 GB Notification: Performance of matching and sorting (n=175) (initialization_lambda0): time 0.5445/0.9667, allocations: 1.951 MB / 0.9211 GB, free: 87.84 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 5.329e-05/0.9668, allocations: 8.5 kB / 0.9211 GB, free: 87.84 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.181e-05/0.9669, allocations: 9.938 kB / 0.9211 GB, free: 87.84 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.68e-05/0.9669, allocations: 15.25 kB / 0.9211 GB, free: 87.84 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001886/0.9688, allocations: 334.7 kB / 0.9215 GB, free: 87.84 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.497e-05/0.9689, allocations: 23.06 kB / 0.9215 GB, free: 87.84 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002253/0.9712, allocations: 149.8 kB / 0.9216 GB, free: 87.84 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002068/0.9714, allocations: 60.66 kB / 0.9217 GB, free: 87.84 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 40 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (175): * Single equations (assignments): 175 * Array equations: 0 * Algorithm blocks: 0 * 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 0.0005969/0.972, allocations: 261 kB / 0.9219 GB, free: 87.66 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006365/0.9727, allocations: 161 kB / 0.9221 GB, free: 87.66 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003854/0.9765, allocations: 1.271 MB / 0.9233 GB, free: 87.59 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.188e-05/0.9766, allocations: 16.47 kB / 0.9233 GB, free: 87.59 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.247e-05/0.9766, allocations: 0 / 0.9233 GB, free: 87.59 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00246/0.9791, allocations: 1.285 MB / 0.9246 GB, free: 87.12 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006865/0.986, allocations: 2.938 MB / 0.9275 GB, free: 85.91 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.264e-06/0.986, allocations: 2.719 kB / 0.9275 GB, free: 85.91 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0008969/0.9869, allocations: 181.9 kB / 0.9276 GB, free: 85.91 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.227e-05/0.9869, allocations: 5.641 kB / 0.9276 GB, free: 85.91 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.216e-05/0.987, allocations: 30.62 kB / 0.9277 GB, free: 85.89 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.618e-06/0.987, allocations: 7.844 kB / 0.9277 GB, free: 85.89 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.127e-06/0.987, allocations: 1.781 kB / 0.9277 GB, free: 85.89 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003587/0.9906, allocations: 1.916 MB / 0.9296 GB, free: 85.13 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009513/0.9916, allocations: 403.9 kB / 0.9299 GB, free: 84.88 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002233/0.9918, allocations: 25 kB / 0.93 GB, free: 84.87 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000803/0.9926, allocations: 51.77 kB / 0.93 GB, free: 84.85 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000166/0.9928, allocations: 63.23 kB / 0.9301 GB, free: 84.84 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.494e-05/0.9929, allocations: 31 kB / 0.9301 GB, free: 84.84 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.002397/0.9953, allocations: 1.223 MB / 0.9313 GB, free: 84.39 MB / 0.7325 GB Notification: Performance of sort global known variables: time 5.21e-07/0.9953, allocations: 0 / 0.9313 GB, free: 84.39 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.002972/0.9983, allocations: 0.9229 MB / 0.9322 GB, free: 84.28 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 6 (indTanHex.vol[1].dynBal.U,indTanHex.vol[2].dynBal.U,indTanHex.vol[3].dynBal.U,indTanHex.cap[1].T,indTanHex.cap[2].T,indTanHex.cap[3].T) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (89): * Single equations (assignments): 87 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0009396/0.9992, allocations: 367 kB / 0.9326 GB, free: 84.17 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.003963/1.003, allocations: 2.332 MB / 0.9348 GB, free: 83.45 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 4.388e-06/1.003, allocations: 2.125 kB / 0.9348 GB, free: 83.45 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.0007727/1.004, allocations: 0.5168 MB / 0.9353 GB, free: 83.29 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004101/1.008, allocations: 0.9294 MB / 0.9362 GB, free: 83.07 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006073/1.014, allocations: 3.686 MB / 0.9398 GB, free: 81.38 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001358/1.016, allocations: 1.663 MB / 0.9415 GB, free: 80.48 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.002951/1.019, allocations: 0.9211 MB / 0.9424 GB, free: 80.38 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004309/1.019, allocations: 133.2 kB / 0.9425 GB, free: 80.37 MB / 0.7325 GB Notification: Performance of SimCode: time 1.222e-06/1.019, allocations: 0 / 0.9425 GB, free: 80.37 MB / 0.7325 GB Notification: Performance of Templates: time 0.05548/1.074, allocations: 35.88 MB / 0.9775 GB, free: 57.22 MB / 0.7325 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.makefile (rm -f Buildings_maint.7.0.x_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.sim & ./Buildings_maint.7.0.x_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe 2>&1)