Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.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 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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(IDEAS.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Storage_BaseClasses_Examples_IndirectTankHeatExchanger",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Storage_BaseClasses_Examples_IndirectTankHeatExchanger",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 0.004645/0.004645, allocations: 98.31 kB / 15.73 MB, free: 6.492 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001337/0.001338, allocations: 200.8 kB / 16.68 MB, free: 6.375 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 / 240.4 MB, free: 4.34 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.879/0.879, allocations: 135.1 MB / 425.7 MB, free: 11.98 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001183/0.001183, allocations: 67.89 kB / 0.5851 GB, free: 3.828 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3343/0.3355, allocations: 80.92 MB / 0.6642 GB, free: 7.273 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger): time 0.02488/0.3604, allocations: 28.55 MB / 0.692 GB, free: 360 kB / 0.5137 GB Notification: Performance of NFInst.instExpressions: time 0.01032/0.3708, allocations: 7.889 MB / 0.6997 GB, free: 9.93 MB / 0.5294 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009548/0.3718, allocations: 34.59 kB / 0.6998 GB, free: 9.918 MB / 0.5294 GB Notification: Performance of NFTyping.typeComponents: time 0.0009723/0.3728, allocations: 431.2 kB / 0.7002 GB, free: 9.555 MB / 0.5294 GB Notification: Performance of NFTyping.typeBindings: time 0.002158/0.375, allocations: 1.05 MB / 0.7012 GB, free: 8.711 MB / 0.5294 GB Notification: Performance of NFTyping.typeClassSections: time 0.00242/0.3774, allocations: 1.084 MB / 0.7023 GB, free: 7.898 MB / 0.5294 GB Notification: Performance of NFFlatten.flatten: time 0.00435/0.3818, allocations: 4.929 MB / 0.7071 GB, free: 4.973 MB / 0.5294 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002363/0.3841, allocations: 2.29 MB / 0.7093 GB, free: 3.18 MB / 0.5294 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003085/0.3872, allocations: 1.819 MB / 0.7111 GB, free: 1.363 MB / 0.5294 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001558/0.3888, allocations: 1.459 MB / 0.7125 GB, free: 15.89 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 0.000288/0.3891, allocations: 228 kB / 0.7127 GB, free: 15.67 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002262/0.3914, allocations: 1.311 MB / 0.714 GB, free: 14.36 MB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 0.0004766/0.3919, allocations: 0.5531 MB / 0.7146 GB, free: 13.8 MB / 0.545 GB Notification: Performance of NFVerifyModel.verify: time 0.001175/0.393, allocations: 1.155 MB / 0.7157 GB, free: 12.64 MB / 0.545 GB Notification: Performance of NFConvertDAE.convert: time 0.003693/0.3967, allocations: 3.704 MB / 0.7193 GB, free: 8.93 MB / 0.545 GB Notification: Performance of FrontEnd - DAE generated: time 3.577e-06/0.3968, allocations: 0 / 0.7193 GB, free: 8.93 MB / 0.545 GB Notification: Performance of FrontEnd: time 1.403e-06/0.3968, allocations: 0 / 0.7193 GB, free: 8.93 MB / 0.545 GB Notification: Performance of Transformations before backend: time 3.053e-05/0.3968, allocations: 4 kB / 0.7193 GB, free: 8.926 MB / 0.545 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 0.004322/0.4011, allocations: 2.621 MB / 0.7219 GB, free: 6.246 MB / 0.545 GB Notification: Performance of prepare preOptimizeDAE: time 3.636e-05/0.4012, allocations: 12.03 kB / 0.7219 GB, free: 6.234 MB / 0.545 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002456/0.4014, allocations: 206.9 kB / 0.7221 GB, free: 6.023 MB / 0.545 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007449/0.4022, allocations: 247.5 kB / 0.7223 GB, free: 5.781 MB / 0.545 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002946/0.4051, allocations: 1.812 MB / 0.7241 GB, free: 3.914 MB / 0.545 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.896e-05/0.4052, allocations: 114.7 kB / 0.7242 GB, free: 3.801 MB / 0.545 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000233/0.4055, allocations: 148 kB / 0.7243 GB, free: 3.656 MB / 0.545 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002779/0.4082, allocations: 2.001 MB / 0.7263 GB, free: 1.59 MB / 0.545 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.687e-05/0.4083, allocations: 4 kB / 0.7263 GB, free: 1.586 MB / 0.545 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001549/0.4084, allocations: 52 kB / 0.7263 GB, free: 1.535 MB / 0.545 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.337e-05/0.4085, allocations: 51.94 kB / 0.7264 GB, free: 1.484 MB / 0.545 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00252/0.411, allocations: 1.794 MB / 0.7281 GB, free: 15.68 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 preOpt removeSimpleEquations (simulation): time 0.01028/0.4213, allocations: 7.615 MB / 0.7356 GB, free: 7.762 MB / 0.5606 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001745/0.4231, allocations: 1.437 MB / 0.737 GB, free: 6.301 MB / 0.5606 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000827/0.4239, allocations: 0.6578 MB / 0.7376 GB, free: 5.641 MB / 0.5606 GB Notification: Performance of preOpt evalFunc (simulation): time 0.006036/0.43, allocations: 3.866 MB / 0.7414 GB, free: 1.457 MB / 0.5606 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.326e-05/0.43, allocations: 43.56 kB / 0.7414 GB, free: 1.406 MB / 0.5606 GB Notification: Performance of pre-optimization done (n=88): time 3.567e-06/0.43, allocations: 0 / 0.7414 GB, free: 1.406 MB / 0.5606 GB Notification: Performance of matching and sorting (n=88): time 0.002303/0.4323, allocations: 1.522 MB / 0.7429 GB, free: 15.88 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.098e-05/0.4324, allocations: 64.39 kB / 0.743 GB, free: 15.8 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001952/0.4343, allocations: 1.641 MB / 0.7446 GB, free: 14.15 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 8.276e-05/0.4344, allocations: 53.7 kB / 0.7446 GB, free: 14.09 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005783/0.435, allocations: 0.7708 MB / 0.7454 GB, free: 13.32 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002497/0.4353, allocations: 333.2 kB / 0.7457 GB, free: 12.99 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003871/0.4357, allocations: 291.5 kB / 0.746 GB, free: 12.7 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 0.0001307/0.4358, allocations: 369.9 kB / 0.7463 GB, free: 12.33 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009604/0.4368, allocations: 0.6917 MB / 0.747 GB, free: 11.64 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001198/0.438, allocations: 1.016 MB / 0.748 GB, free: 10.49 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001961/0.44, allocations: 1.624 MB / 0.7496 GB, free: 8.742 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.005e-06/0.44, allocations: 4 kB / 0.7496 GB, free: 8.738 MB / 0.5762 GB Notification: Performance of matching and sorting (n=175) (initialization): time 0.002948/0.4429, allocations: 1.96 MB / 0.7515 GB, free: 6.77 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 2.339e-05/0.443, allocations: 11.12 kB / 0.7515 GB, free: 6.762 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.478e-05/0.443, allocations: 8 kB / 0.7515 GB, free: 6.754 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.124e-05/0.443, allocations: 16 kB / 0.7516 GB, free: 6.738 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001248/0.4443, allocations: 339.4 kB / 0.7519 GB, free: 6.406 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.128e-05/0.4443, allocations: 20.47 kB / 0.7519 GB, free: 6.387 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001241/0.4455, allocations: 202.6 kB / 0.7521 GB, free: 6.188 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000118/0.4457, allocations: 63.98 kB / 0.7521 GB, free: 6.125 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002044/0.4477, allocations: 1.29 MB / 0.7534 GB, free: 4.832 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001511/0.4493, allocations: 1.016 MB / 0.7544 GB, free: 3.691 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002443/0.4517, allocations: 1.62 MB / 0.756 GB, free: 1.949 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.205e-06/0.4517, allocations: 7.938 kB / 0.756 GB, free: 1.941 MB / 0.5762 GB Notification: Performance of matching and sorting (n=175) (initialization_lambda0): time 0.003265/0.455, allocations: 1.956 MB / 0.7579 GB, free: 15.98 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 1.6e-05/0.455, allocations: 12 kB / 0.7579 GB, free: 15.96 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.072e-05/0.455, allocations: 8 kB / 0.7579 GB, free: 15.96 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.602e-05/0.4551, allocations: 16 kB / 0.7579 GB, free: 15.94 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00122/0.4563, allocations: 335.5 kB / 0.7583 GB, free: 15.61 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.971e-05/0.4563, allocations: 19.94 kB / 0.7583 GB, free: 15.59 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001078/0.4574, allocations: 159.2 kB / 0.7584 GB, free: 15.44 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001043/0.4575, allocations: 59.98 kB / 0.7585 GB, free: 15.38 MB / 0.5919 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 0.0003031/0.4578, allocations: 263.9 kB / 0.7587 GB, free: 15.11 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002731/0.4581, allocations: 159 kB / 0.7589 GB, free: 14.96 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001938/0.46, allocations: 1.279 MB / 0.7601 GB, free: 13.66 MB / 0.5919 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.611e-05/0.4601, allocations: 8 kB / 0.7601 GB, free: 13.65 MB / 0.5919 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.211e-06/0.4601, allocations: 3.984 kB / 0.7601 GB, free: 13.65 MB / 0.5919 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001404/0.4615, allocations: 1.281 MB / 0.7614 GB, free: 12.29 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003971/0.4655, allocations: 2.959 MB / 0.7643 GB, free: 9.25 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.098e-06/0.4655, allocations: 0 / 0.7643 GB, free: 9.25 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007924/0.4663, allocations: 191.7 kB / 0.7645 GB, free: 9.062 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.843e-06/0.4663, allocations: 4 kB / 0.7645 GB, free: 9.059 MB / 0.5919 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.754e-05/0.4664, allocations: 27.92 kB / 0.7645 GB, free: 9.031 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.27e-06/0.4664, allocations: 8.125 kB / 0.7645 GB, free: 9.023 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.513e-06/0.4664, allocations: 4 kB / 0.7645 GB, free: 9.02 MB / 0.5919 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002379/0.4688, allocations: 1.918 MB / 0.7664 GB, free: 7.066 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006536/0.4694, allocations: 407.7 kB / 0.7668 GB, free: 6.648 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002079/0.4697, allocations: 31.88 kB / 0.7668 GB, free: 6.617 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007785/0.4704, allocations: 47.89 kB / 0.7668 GB, free: 6.57 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.517e-05/0.4705, allocations: 52.92 kB / 0.7669 GB, free: 6.52 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.211e-05/0.4706, allocations: 39.97 kB / 0.7669 GB, free: 6.48 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.001498/0.4721, allocations: 1.234 MB / 0.7681 GB, free: 5.25 MB / 0.5919 GB Notification: Performance of sort global known variables: time 1.2e-07/0.4721, allocations: 0 / 0.7681 GB, free: 5.25 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.001978/0.4741, allocations: 0.9242 MB / 0.769 GB, free: 4.324 MB / 0.5919 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 0.003209/0.4773, allocations: 2.74 MB / 0.7717 GB, free: 1.551 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.003173/0.4805, allocations: 2.332 MB / 0.774 GB, free: 15.23 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 3.937e-06/0.4805, allocations: 4 kB / 0.774 GB, free: 15.22 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.0006587/0.4812, allocations: 0.5185 MB / 0.7745 GB, free: 14.7 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003444/0.4846, allocations: 0.9261 MB / 0.7754 GB, free: 13.8 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01828/0.5029, allocations: 15.14 MB / 0.7902 GB, free: 14.28 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001087/0.5041, allocations: 1.682 MB / 0.7918 GB, free: 12.56 MB / 0.6231 GB Notification: Performance of simCode: alias equations: time 0.002164/0.5062, allocations: 0.9175 MB / 0.7927 GB, free: 11.65 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008453/0.5071, allocations: 0.6203 MB / 0.7933 GB, free: 11.03 MB / 0.6231 GB Notification: Performance of SimCode: time 8.32e-07/0.5071, allocations: 0 / 0.7933 GB, free: 11.03 MB / 0.6231 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.07269/0.5798, allocations: 49.39 MB / 0.8416 GB, free: 10.14 MB / 0.67 GB Notification: Performance of buildModelFMU: Generate platform static: time 10.09/10.67, allocations: 2.188 kB / 0.8416 GB, free: 10.14 MB / 0.67 GB (rm -f IDEAS_dev_IDEAS.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.sim & python3 -m fmpy simulate --output-file IDEAS_dev_IDEAS.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger_res.csv --start-time 0 --stop-time 15 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.006 IDEAS_dev_IDEAS_Fluid_Storage_BaseClasses_Examples_IndirectTankHeatExchanger.fmu > IDEAS_dev_IDEAS.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe 2>&1)