Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T.conf.json 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/IDEAS 3.0.0-master/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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 IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/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) Running command: translateModel(IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T") translateModel(IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001621/0.001621, allocations: 183.2 kB / 15.98 MB, free: 5.766 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.8019/0.8019, allocations: 133.4 MB / 150.1 MB, free: 11.14 MB / 122.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.334/1.334, allocations: 222.9 MB / 404.7 MB, free: 5.992 MB / 314.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001043/0.001043, allocations: 107.3 kB / 485.9 MB, free: 7.137 MB / 394.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0009991/0.0009992, allocations: 55.92 kB / 0.5636 GB, free: 69.88 MB / 426.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1168/0.1178, allocations: 80.43 MB / 0.6421 GB, free: 5.375 MB / 442.7 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T): time 0.4989/0.6167, allocations: 233.7 MB / 0.8704 GB, free: 7.219 MB / 0.6042 GB Notification: Performance of NFInst.instExpressions: time 0.02132/0.638, allocations: 15.91 MB / 0.8859 GB, free: 7.266 MB / 0.6198 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002611/0.6407, allocations: 83.5 kB / 0.886 GB, free: 7.184 MB / 0.6198 GB Notification: Performance of NFTyping.typeComponents: time 0.003059/0.6438, allocations: 1.137 MB / 0.8871 GB, free: 6.047 MB / 0.6198 GB Notification: Performance of NFTyping.typeBindings: time 0.007605/0.6514, allocations: 3.174 MB / 0.8902 GB, free: 2.863 MB / 0.6198 GB Notification: Performance of NFTyping.typeClassSections: time 0.005342/0.6568, allocations: 2.225 MB / 0.8924 GB, free: 0.6523 MB / 0.6198 GB Notification: Performance of NFFlatten.flatten: time 0.007413/0.6642, allocations: 6.573 MB / 0.8988 GB, free: 10.06 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002538/0.6668, allocations: 1.642 MB / 0.9004 GB, free: 8.375 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005032/0.6718, allocations: 2.436 MB / 0.9028 GB, free: 5.93 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003172/0.675, allocations: 1.599 MB / 0.9043 GB, free: 4.328 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.0003976/0.6754, allocations: 104 kB / 0.9044 GB, free: 4.227 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006464/0.6819, allocations: 3.757 MB / 0.9081 GB, free: 472 kB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.0009545/0.6829, allocations: 0.6695 MB / 0.9088 GB, free: 15.79 MB / 0.6511 GB Notification: Performance of NFVerifyModel.verify: time 0.001806/0.6847, allocations: 1.096 MB / 0.9098 GB, free: 14.69 MB / 0.6511 GB Notification: Performance of NFConvertDAE.convert: time 0.0068/0.6915, allocations: 4.374 MB / 0.9141 GB, free: 10.3 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 5.33e-06/0.6915, allocations: 0 / 0.9141 GB, free: 10.3 MB / 0.6511 GB Notification: Performance of FrontEnd: time 9.72e-07/0.6916, allocations: 0 / 0.9141 GB, free: 10.3 MB / 0.6511 GB Notification: Performance of Transformations before backend: time 7.693e-05/0.6916, allocations: 0 / 0.9141 GB, free: 10.3 MB / 0.6511 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 333 * Number of variables: 333 Notification: Performance of Generate backend data structure: time 0.005449/0.6971, allocations: 2.838 MB / 0.9169 GB, free: 7.395 MB / 0.6511 GB Notification: Performance of prepare preOptimizeDAE: time 3.681e-05/0.6971, allocations: 8.031 kB / 0.9169 GB, free: 7.387 MB / 0.6511 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004748/0.7019, allocations: 0.7697 MB / 0.9176 GB, free: 6.613 MB / 0.6511 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003284/0.7052, allocations: 1.66 MB / 0.9192 GB, free: 4.902 MB / 0.6511 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003876/0.7056, allocations: 170.5 kB / 0.9194 GB, free: 4.734 MB / 0.6511 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000236/0.7059, allocations: 147.9 kB / 0.9195 GB, free: 4.59 MB / 0.6511 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003119/0.709, allocations: 1.649 MB / 0.9212 GB, free: 2.871 MB / 0.6511 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.286e-05/0.709, allocations: 11.86 kB / 0.9212 GB, free: 2.859 MB / 0.6511 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001324/0.7092, allocations: 52 kB / 0.9212 GB, free: 2.809 MB / 0.6511 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.197e-05/0.7092, allocations: 50.52 kB / 0.9213 GB, free: 2.758 MB / 0.6511 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003422/0.7126, allocations: 1.454 MB / 0.9227 GB, free: 1.297 MB / 0.6511 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 0.01095/0.7236, allocations: 7.56 MB / 0.9301 GB, free: 9.188 MB / 0.6667 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002815/0.7265, allocations: 1.583 MB / 0.9316 GB, free: 7.473 MB / 0.6667 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001164/0.7277, allocations: 0.5307 MB / 0.9321 GB, free: 6.938 MB / 0.6667 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001292/0.729, allocations: 0.7789 MB / 0.9329 GB, free: 6.012 MB / 0.6667 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001272/0.7303, allocations: 0.5597 MB / 0.9334 GB, free: 5.438 MB / 0.6667 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0007603/0.731, allocations: 123.2 kB / 0.9336 GB, free: 5.316 MB / 0.6667 GB Notification: Performance of pre-optimization done (n=85): time 5.991e-06/0.7311, allocations: 0 / 0.9336 GB, free: 5.316 MB / 0.6667 GB Notification: Performance of matching and sorting (n=85): time 0.004296/0.7354, allocations: 1.597 MB / 0.9351 GB, free: 3.695 MB / 0.6667 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.999e-05/0.7354, allocations: 60.41 kB / 0.9352 GB, free: 3.625 MB / 0.6667 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002223/0.7376, allocations: 1.567 MB / 0.9367 GB, free: 2.059 MB / 0.6667 GB Notification: Performance of collectPreVariables (initialization): time 0.0001003/0.7378, allocations: 53.64 kB / 0.9368 GB, free: 2 MB / 0.6667 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007723/0.7385, allocations: 0.9241 MB / 0.9377 GB, free: 1.066 MB / 0.6667 GB Notification: Performance of collectInitialBindings (initialization): time 0.000269/0.7388, allocations: 307.6 kB / 0.938 GB, free: 0.7617 MB / 0.6667 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003451/0.7392, allocations: 214.8 kB / 0.9382 GB, free: 0.543 MB / 0.6667 GB Notification: Performance of setup shared object (initialization): time 0.0001211/0.7393, allocations: 345.9 kB / 0.9385 GB, free: 204 kB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001124/0.7404, allocations: 465.9 kB / 0.9389 GB, free: 15.74 MB / 0.6823 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001312/0.7417, allocations: 0.782 MB / 0.9397 GB, free: 14.8 MB / 0.6823 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002384/0.7441, allocations: 1.232 MB / 0.9409 GB, free: 13.45 MB / 0.6823 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.416e-06/0.7442, allocations: 4 kB / 0.9409 GB, free: 13.45 MB / 0.6823 GB Notification: Performance of matching and sorting (n=135) (initialization): time 0.003131/0.7473, allocations: 1.438 MB / 0.9423 GB, free: 11.99 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 4.113e-05/0.7474, allocations: 37.7 kB / 0.9423 GB, free: 11.95 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.466e-05/0.7474, allocations: 8 kB / 0.9424 GB, free: 11.94 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.425e-05/0.7474, allocations: 16 kB / 0.9424 GB, free: 11.93 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001179/0.7486, allocations: 272.2 kB / 0.9426 GB, free: 11.66 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.919e-05/0.7486, allocations: 27.86 kB / 0.9427 GB, free: 11.63 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001563/0.7502, allocations: 150.9 kB / 0.9428 GB, free: 11.49 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001036/0.7503, allocations: 47.98 kB / 0.9428 GB, free: 11.44 MB / 0.6823 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001724/0.7521, allocations: 0.8148 MB / 0.9436 GB, free: 10.62 MB / 0.6823 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001297/0.7534, allocations: 0.7702 MB / 0.9444 GB, free: 9.707 MB / 0.6823 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002312/0.7557, allocations: 1.208 MB / 0.9456 GB, free: 8.379 MB / 0.6823 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.407e-06/0.7557, allocations: 4 kB / 0.9456 GB, free: 8.375 MB / 0.6823 GB Notification: Performance of matching and sorting (n=135) (initialization_lambda0): time 0.003132/0.7589, allocations: 1.411 MB / 0.947 GB, free: 6.945 MB / 0.6823 GB Notification: Performance of prepare postOptimizeDAE: time 3.329e-05/0.7589, allocations: 33.7 kB / 0.947 GB, free: 6.906 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.321e-05/0.7589, allocations: 8 kB / 0.947 GB, free: 6.898 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.505e-05/0.7589, allocations: 19.94 kB / 0.947 GB, free: 6.879 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001139/0.7601, allocations: 275.9 kB / 0.9473 GB, free: 6.609 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.295e-05/0.7601, allocations: 19.92 kB / 0.9473 GB, free: 6.59 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001585/0.7617, allocations: 161.3 kB / 0.9474 GB, free: 6.438 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.933e-05/0.7618, allocations: 51.97 kB / 0.9475 GB, free: 6.387 MB / 0.6823 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 38 * 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 (133): * Single equations (assignments): 131 * 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 0.0002926/0.7621, allocations: 251.9 kB / 0.9477 GB, free: 6.133 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003694/0.7625, allocations: 177.8 kB / 0.9479 GB, free: 5.957 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002959/0.7655, allocations: 1.185 MB / 0.9491 GB, free: 4.754 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.087e-05/0.7655, allocations: 8 kB / 0.9491 GB, free: 4.746 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.895e-06/0.7655, allocations: 0 / 0.9491 GB, free: 4.746 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00231/0.7678, allocations: 1.242 MB / 0.9503 GB, free: 3.418 MB / 0.6823 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 0.006023/0.7739, allocations: 2.933 MB / 0.9531 GB, free: 396 kB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.354e-06/0.7739, allocations: 4 kB / 0.9532 GB, free: 392 kB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00101/0.7749, allocations: 191.9 kB / 0.9533 GB, free: 200 kB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002143/0.7751, allocations: 48.77 kB / 0.9534 GB, free: 148 kB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.103e-05/0.7752, allocations: 23.98 kB / 0.9534 GB, free: 124 kB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.2611/1.036, allocations: 1.406 MB / 0.9548 GB, free: 256.2 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.957e-06/1.036, allocations: 2.656 kB / 0.9548 GB, free: 256.2 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.1531/1.189, allocations: 31.27 MB / 0.9853 GB, free: 245 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007871/1.19, allocations: 333.5 kB / 0.9856 GB, free: 244.7 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003284/1.191, allocations: 19.94 kB / 0.9857 GB, free: 244.7 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00131/1.192, allocations: 144.9 kB / 0.9858 GB, free: 244.6 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000165/1.192, allocations: 64.86 kB / 0.9859 GB, free: 244.6 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.809e-05/1.192, allocations: 31 kB / 0.9859 GB, free: 244.6 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.001576/1.194, allocations: 1.054 MB / 0.9869 GB, free: 244 MB / 0.6823 GB Notification: Performance of sort global known variables: time 3.4e-07/1.194, allocations: 0 / 0.9869 GB, free: 244 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.006351/1.2, allocations: 1.532 MB / 0.9884 GB, free: 243.9 MB / 0.6823 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 8 (vol.dynBal.U,vol.dynBal.m,vol.dynBal.mXi[1],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 (85): * Single equations (assignments): 82 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * 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 {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001573/1.202, allocations: 0.6344 MB / 0.989 GB, free: 243.7 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.003597/1.205, allocations: 1.811 MB / 0.9908 GB, free: 242 MB / 0.6823 GB Notification: Performance of simCode: created event and clocks part: time 4.268e-06/1.205, allocations: 4 kB / 0.9908 GB, free: 242 MB / 0.6823 GB Notification: Performance of simCode: created simulation system equations: time 0.001213/1.207, allocations: 0.6124 MB / 0.9914 GB, free: 241.4 MB / 0.6823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003704/1.21, allocations: 0.7834 MB / 0.9922 GB, free: 240.6 MB / 0.6823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0079/1.218, allocations: 5.015 MB / 0.9971 GB, free: 235.6 MB / 0.6823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009823/1.219, allocations: 1.507 MB / 0.9985 GB, free: 234 MB / 0.6823 GB Notification: Performance of simCode: alias equations: time 0.002342/1.222, allocations: 0.4907 MB / 0.999 GB, free: 233.5 MB / 0.6823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007392/1.222, allocations: 147.4 kB / 0.9992 GB, free: 233.4 MB / 0.6823 GB Notification: Performance of SimCode: time 8.22e-07/1.222, allocations: 0 / 0.9992 GB, free: 233.4 MB / 0.6823 GB Notification: Performance of Templates: time 0.05261/1.275, allocations: 40.94 MB / 1.039 GB, free: 192.9 MB / 0.6823 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T.makefile (rm -f IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T.sim & ./IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.AirHeater_T.pipe 2>&1)