Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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: translateModel(BuildingSystems.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger") translateModel(BuildingSystems.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.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 0.001037/0.001037, allocations: 102.8 kB / 15.98 MB, free: 6.348 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001034/0.001034, allocations: 196.9 kB / 16.91 MB, free: 6.188 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.305/1.305, allocations: 222.9 MB / 240.6 MB, free: 13.7 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002144/0.002143, allocations: 287.2 kB / 291 MB, free: 14.46 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9254/0.9254, allocations: 169.2 MB / 0.4985 GB, free: 4.633 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001639/0.001639, allocations: 93.03 kB / 0.5953 GB, free: 15.52 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1769/0.1786, allocations: 86.98 MB / 0.6803 GB, free: 8.555 MB / 494.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger): time 0.3315/0.5101, allocations: 28.34 MB / 0.708 GB, free: 1.871 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.01209/0.5223, allocations: 7.847 MB / 0.7156 GB, free: 12.29 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001885/0.5242, allocations: 35.56 kB / 0.7157 GB, free: 12.27 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.001449/0.5257, allocations: 344.4 kB / 0.716 GB, free: 12.07 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.003773/0.5295, allocations: 0.9459 MB / 0.7169 GB, free: 11.5 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.00339/0.5329, allocations: 0.9613 MB / 0.7178 GB, free: 10.99 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.006785/0.5397, allocations: 4.946 MB / 0.7227 GB, free: 8.617 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003249/0.543, allocations: 2.276 MB / 0.7249 GB, free: 7.648 MB / 0.4981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004789/0.5478, allocations: 1.799 MB / 0.7267 GB, free: 6.832 MB / 0.4981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002961/0.5507, allocations: 1.492 MB / 0.7281 GB, free: 6.16 MB / 0.4981 GB Notification: Performance of NFPackage.collectConstants: time 0.0004866/0.5512, allocations: 227.2 kB / 0.7283 GB, free: 6.16 MB / 0.4981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003482/0.5547, allocations: 1.318 MB / 0.7296 GB, free: 5.789 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 0.0006476/0.5554, allocations: 0.5464 MB / 0.7301 GB, free: 5.449 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 0.001945/0.5573, allocations: 1.157 MB / 0.7313 GB, free: 4.746 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.003686/0.561, allocations: 2.946 MB / 0.7342 GB, free: 2.957 MB / 0.4981 GB Notification: Performance of FrontEnd - DAE generated: time 5.64e-06/0.5611, allocations: 9.031 kB / 0.7342 GB, free: 2.949 MB / 0.4981 GB Notification: Performance of FrontEnd: time 1.823e-06/0.5611, allocations: 0 / 0.7342 GB, free: 2.949 MB / 0.4981 GB Notification: Performance of Transformations before backend: time 7.199e-05/0.5611, allocations: 0 / 0.7342 GB, free: 2.949 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: 348 * Number of variables: 348 Notification: Performance of Generate backend data structure: time 0.005785/0.5669, allocations: 2.555 MB / 0.7367 GB, free: 1.172 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 4.983e-05/0.567, allocations: 8.812 kB / 0.7367 GB, free: 1.172 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0009931/0.568, allocations: 245.5 kB / 0.7369 GB, free: 1.051 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003378/0.5714, allocations: 1.762 MB / 0.7386 GB, free: 15.79 MB / 0.5137 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001247/0.5715, allocations: 115.6 kB / 0.7387 GB, free: 15.74 MB / 0.5137 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003128/0.5718, allocations: 152.5 kB / 0.7389 GB, free: 15.69 MB / 0.5137 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003672/0.5755, allocations: 1.99 MB / 0.7408 GB, free: 14.48 MB / 0.5137 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.087e-05/0.5756, allocations: 6.5 kB / 0.7408 GB, free: 14.47 MB / 0.5137 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001625/0.5757, allocations: 61.06 kB / 0.7409 GB, free: 14.43 MB / 0.5137 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.128e-05/0.5758, allocations: 40.34 kB / 0.7409 GB, free: 14.42 MB / 0.5137 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002734/0.5785, allocations: 1.798 MB / 0.7427 GB, free: 13.5 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 0.01112/0.5897, allocations: 7.586 MB / 0.7501 GB, free: 7.723 MB / 0.5137 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001767/0.5915, allocations: 1.458 MB / 0.7515 GB, free: 6.406 MB / 0.5137 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008106/0.5923, allocations: 0.6603 MB / 0.7522 GB, free: 5.742 MB / 0.5137 GB Notification: Performance of preOpt evalFunc (simulation): time 0.006222/0.5985, allocations: 3.843 MB / 0.7559 GB, free: 1.582 MB / 0.5137 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.016e-05/0.5986, allocations: 43.56 kB / 0.7559 GB, free: 1.531 MB / 0.5137 GB Notification: Performance of pre-optimization done (n=88): time 2.384e-06/0.5986, allocations: 0 / 0.7559 GB, free: 1.531 MB / 0.5137 GB Notification: Performance of matching and sorting (n=88): time 0.002392/0.601, allocations: 1.51 MB / 0.7574 GB, free: 24 kB / 0.5137 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.604e-05/0.6011, allocations: 72.34 kB / 0.7575 GB, free: 15.94 MB / 0.5294 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002023/0.6031, allocations: 1.598 MB / 0.7591 GB, free: 14.33 MB / 0.5294 GB Notification: Performance of collectPreVariables (initialization): time 0.000104/0.6032, allocations: 45.7 kB / 0.7591 GB, free: 14.28 MB / 0.5294 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005992/0.6038, allocations: 0.7614 MB / 0.7598 GB, free: 13.51 MB / 0.5294 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002754/0.6041, allocations: 323.4 kB / 0.7601 GB, free: 13.19 MB / 0.5294 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003869/0.6045, allocations: 291.4 kB / 0.7604 GB, free: 12.9 MB / 0.5294 GB Notification: Performance of setup shared object (initialization): time 0.0001423/0.6046, allocations: 361.9 kB / 0.7608 GB, free: 12.54 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009386/0.6056, allocations: 0.6956 MB / 0.7614 GB, free: 11.84 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001175/0.6068, allocations: 1.02 MB / 0.7624 GB, free: 10.69 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001914/0.6087, allocations: 1.62 MB / 0.764 GB, free: 8.949 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.156e-06/0.6087, allocations: 0 / 0.764 GB, free: 8.949 MB / 0.5294 GB Notification: Performance of matching and sorting (n=175) (initialization): time 0.002887/0.6116, allocations: 1.955 MB / 0.7659 GB, free: 6.984 MB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 2.276e-05/0.6116, allocations: 8 kB / 0.7659 GB, free: 6.977 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.767e-05/0.6117, allocations: 12 kB / 0.766 GB, free: 6.965 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.944e-05/0.6117, allocations: 16 kB / 0.766 GB, free: 6.949 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001191/0.6129, allocations: 335.5 kB / 0.7663 GB, free: 6.621 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.203e-05/0.6129, allocations: 19.94 kB / 0.7663 GB, free: 6.602 MB / 0.5294 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001422/0.6144, allocations: 218.4 kB / 0.7665 GB, free: 6.387 MB / 0.5294 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001088/0.6145, allocations: 59.98 kB / 0.7666 GB, free: 6.328 MB / 0.5294 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001796/0.6163, allocations: 1.284 MB / 0.7678 GB, free: 5.039 MB / 0.5294 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001127/0.6174, allocations: 1.02 MB / 0.7688 GB, free: 3.895 MB / 0.5294 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001857/0.6193, allocations: 1.624 MB / 0.7704 GB, free: 2.148 MB / 0.5294 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.907e-06/0.6193, allocations: 8 kB / 0.7704 GB, free: 2.141 MB / 0.5294 GB Notification: Performance of matching and sorting (n=175) (initialization_lambda0): time 0.002783/0.6221, allocations: 1.945 MB / 0.7723 GB, free: 192 kB / 0.5294 GB Notification: Performance of prepare postOptimizeDAE: time 1.442e-05/0.6221, allocations: 8 kB / 0.7723 GB, free: 184 kB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.122e-05/0.6221, allocations: 8.875 kB / 0.7723 GB, free: 176 kB / 0.5294 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.401e-05/0.6221, allocations: 16 kB / 0.7724 GB, free: 160 kB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001136/0.6233, allocations: 339.5 kB / 0.7727 GB, free: 15.82 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.729e-05/0.6233, allocations: 19.94 kB / 0.7727 GB, free: 15.8 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001325/0.6246, allocations: 162.9 kB / 0.7728 GB, free: 15.64 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001045/0.6248, allocations: 67.92 kB / 0.7729 GB, free: 15.58 MB / 0.545 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 0.0003207/0.6251, allocations: 268.4 kB / 0.7732 GB, free: 15.31 MB / 0.545 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002979/0.6254, allocations: 154.1 kB / 0.7733 GB, free: 15.16 MB / 0.545 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001941/0.6273, allocations: 1.272 MB / 0.7746 GB, free: 13.87 MB / 0.545 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.387e-05/0.6274, allocations: 11.98 kB / 0.7746 GB, free: 13.86 MB / 0.545 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.941e-06/0.6274, allocations: 0 / 0.7746 GB, free: 13.86 MB / 0.545 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001369/0.6287, allocations: 1.284 MB / 0.7758 GB, free: 12.49 MB / 0.545 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004083/0.6328, allocations: 2.947 MB / 0.7787 GB, free: 9.469 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.588e-06/0.6329, allocations: 0 / 0.7787 GB, free: 9.469 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007576/0.6336, allocations: 187.9 kB / 0.7789 GB, free: 9.285 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (simulation): time 8.015e-06/0.6336, allocations: 4 kB / 0.7789 GB, free: 9.281 MB / 0.545 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.565e-05/0.6337, allocations: 27.98 kB / 0.7789 GB, free: 9.254 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.514e-06/0.6337, allocations: 4 kB / 0.7789 GB, free: 9.25 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.264e-06/0.6337, allocations: 0 / 0.7789 GB, free: 9.25 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002372/0.6361, allocations: 1.925 MB / 0.7808 GB, free: 7.289 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007215/0.6368, allocations: 394.9 kB / 0.7812 GB, free: 6.883 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000223/0.6371, allocations: 23.89 kB / 0.7812 GB, free: 6.859 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008238/0.6379, allocations: 75.83 kB / 0.7813 GB, free: 6.785 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001028/0.638, allocations: 56.8 kB / 0.7813 GB, free: 6.73 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.145e-05/0.6381, allocations: 39.97 kB / 0.7814 GB, free: 6.691 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.001501/0.6396, allocations: 1.21 MB / 0.7825 GB, free: 5.484 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.41e-07/0.6396, allocations: 0 / 0.7825 GB, free: 5.484 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.002512/0.6421, allocations: 0.9123 MB / 0.7834 GB, free: 4.57 MB / 0.545 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 0.0008721/0.643, allocations: 354.9 kB / 0.7838 GB, free: 4.223 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.004257/0.6473, allocations: 2.829 MB / 0.7865 GB, free: 1.398 MB / 0.545 GB Notification: Performance of simCode: created event and clocks part: time 4.218e-06/0.6473, allocations: 0 / 0.7865 GB, free: 1.398 MB / 0.545 GB Notification: Performance of simCode: created simulation system equations: time 0.0006793/0.648, allocations: 0.5209 MB / 0.787 GB, free: 0.875 MB / 0.545 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003888/0.6519, allocations: 0.9276 MB / 0.7879 GB, free: 15.98 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005457/0.6573, allocations: 4.273 MB / 0.7921 GB, free: 11.66 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001041/0.6584, allocations: 1.634 MB / 0.7937 GB, free: 9.992 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005665/0.659, allocations: 143.4 kB / 0.7939 GB, free: 9.852 MB / 0.5606 GB Notification: Performance of SimCode: time 4.81e-07/0.659, allocations: 0 / 0.7939 GB, free: 9.852 MB / 0.5606 GB Notification: Performance of Templates: time 0.04444/0.7034, allocations: 32.34 MB / 0.8254 GB, free: 9.766 MB / 0.5919 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.sim & ./BuildingSystems_BuildingSystems.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Storage.BaseClasses.Examples.IndirectTankHeatExchanger.pipe 2>&1)