Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u.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/Buildings 11.0.1-master/package.mo", uses=false) Using package Buildings with version 11.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-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: "" <> buildModelFMU(Buildings.Fluid.Interfaces.Examples.HeaterCooler_u,fileNamePrefix="Buildings_latest_Buildings_Fluid_Interfaces_Examples_HeaterCooler_u",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Interfaces.Examples.HeaterCooler_u,fileNamePrefix="Buildings_latest_Buildings_Fluid_Interfaces_Examples_HeaterCooler_u",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 0.001788/0.001789, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00236/0.002359, allocations: 191.2 kB / 16.25 MB, free: 6.633 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 3.691/3.691, allocations: 222.9 MB / 239.9 MB, free: 4.531 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.1-master/package.mo): time 6.416/6.416, allocations: 461.9 MB / 0.7343 GB, free: 14.95 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.002854/0.002854, allocations: 64.7 kB / 0.8987 GB, free: 37.13 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6937/0.6966, allocations: 157.4 MB / 1.052 GB, free: 8.668 MB / 0.8106 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Interfaces.Examples.HeaterCooler_u): time 2.388/3.085, allocations: 297.6 MB / 1.343 GB, free: 52.05 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.1252/3.21, allocations: 49.73 MB / 1.392 GB, free: 21.71 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.02788/3.238, allocations: 275 kB / 1.392 GB, free: 21.6 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.02272/3.261, allocations: 2.94 MB / 1.395 GB, free: 19.15 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.05889/3.32, allocations: 8.414 MB / 1.403 GB, free: 12.41 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.0373/3.358, allocations: 6.101 MB / 1.409 GB, free: 7.824 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.06078/3.418, allocations: 18.58 MB / 1.427 GB, free: 8.895 MB / 1.014 GB Notification: Performance of NFFlatten.resolveConnections: time 0.02457/3.443, allocations: 5.765 MB / 1.433 GB, free: 3.031 MB / 1.014 GB Notification: Performance of NFEvalConstants.evaluate: time 0.03527/3.479, allocations: 7.405 MB / 1.44 GB, free: 11.62 MB / 1.029 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01905/3.498, allocations: 5.227 MB / 1.445 GB, free: 6.375 MB / 1.029 GB Notification: Performance of NFPackage.collectConstants: time 0.005951/3.504, allocations: 0.5625 MB / 1.446 GB, free: 5.812 MB / 1.029 GB Notification: Performance of NFFlatten.collectFunctions: time 0.02715/3.531, allocations: 4.449 MB / 1.45 GB, free: 1.355 MB / 1.029 GB Notification: Performance of NFScalarize.scalarize: time 0.006485/3.538, allocations: 1.506 MB / 1.451 GB, free: 15.84 MB / 1.045 GB Notification: Performance of NFVerifyModel.verify: time 0.01897/3.557, allocations: 3.748 MB / 1.455 GB, free: 12.07 MB / 1.045 GB Notification: Performance of NFConvertDAE.convert: time 0.04669/3.603, allocations: 10.36 MB / 1.465 GB, free: 1.684 MB / 1.045 GB Notification: Performance of FrontEnd - DAE generated: time 1.195e-05/3.604, allocations: 7.938 kB / 1.465 GB, free: 1.676 MB / 1.045 GB Notification: Performance of FrontEnd: time 3.176e-06/3.604, allocations: 0 / 1.465 GB, free: 1.676 MB / 1.045 GB Notification: Performance of Transformations before backend: time 0.0005888/3.604, allocations: 0 / 1.465 GB, free: 1.676 MB / 1.045 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1035 * Number of variables: 1035 Notification: Performance of Generate backend data structure: time 0.03786/3.642, allocations: 7.475 MB / 1.472 GB, free: 10.06 MB / 1.061 GB Notification: Performance of prepare preOptimizeDAE: time 8.437e-05/3.642, allocations: 8.625 kB / 1.472 GB, free: 10.05 MB / 1.061 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.002918/3.645, allocations: 0.5395 MB / 1.473 GB, free: 9.508 MB / 1.061 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006658/3.652, allocations: 0.7842 MB / 1.474 GB, free: 8.715 MB / 1.061 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.02152/3.673, allocations: 5.223 MB / 1.479 GB, free: 3.418 MB / 1.061 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005327/3.674, allocations: 316.1 kB / 1.479 GB, free: 3.105 MB / 1.061 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001861/3.676, allocations: 435.9 kB / 1.48 GB, free: 2.68 MB / 1.061 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01892/3.695, allocations: 4.381 MB / 1.484 GB, free: 14.02 MB / 1.076 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0003856/3.695, allocations: 11.88 kB / 1.484 GB, free: 14 MB / 1.076 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001973/3.697, allocations: 172 kB / 1.484 GB, free: 13.84 MB / 1.076 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0003312/3.698, allocations: 120 kB / 1.484 GB, free: 13.72 MB / 1.076 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.01411/3.712, allocations: 2.961 MB / 1.487 GB, free: 10.75 MB / 1.076 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 0.06868/3.781, allocations: 25.02 MB / 1.511 GB, free: 15.69 MB / 1.107 GB Notification: Performance of preOpt comSubExp (simulation): time 0.008956/3.79, allocations: 2.758 MB / 1.514 GB, free: 12.73 MB / 1.107 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003778/3.794, allocations: 0.9953 MB / 1.515 GB, free: 11.73 MB / 1.107 GB Notification: Performance of preOpt evalFunc (simulation): time 0.006438/3.8, allocations: 3.916 MB / 1.519 GB, free: 6.949 MB / 1.107 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000177/3.8, allocations: 60.56 kB / 1.519 GB, free: 6.879 MB / 1.107 GB Notification: Performance of pre-optimization done (n=217): time 2.322e-05/3.8, allocations: 0 / 1.519 GB, free: 6.879 MB / 1.107 GB Notification: Performance of matching and sorting (n=217): time 0.02378/3.824, allocations: 4.072 MB / 1.523 GB, free: 2.711 MB / 1.107 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001134/3.824, allocations: 73.41 kB / 1.523 GB, free: 2.629 MB / 1.107 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.01861/3.843, allocations: 4.24 MB / 1.527 GB, free: 14.41 MB / 1.123 GB Notification: Performance of collectPreVariables (initialization): time 0.001132/3.844, allocations: 81.7 kB / 1.527 GB, free: 14.32 MB / 1.123 GB Notification: Performance of collectInitialEqns (initialization): time 0.00616/3.85, allocations: 2.784 MB / 1.53 GB, free: 11.51 MB / 1.123 GB Notification: Performance of collectInitialBindings (initialization): time 0.002774/3.853, allocations: 0.7586 MB / 1.531 GB, free: 10.74 MB / 1.123 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003943/3.857, allocations: 0.5723 MB / 1.531 GB, free: 10.16 MB / 1.123 GB Notification: Performance of setup shared object (initialization): time 0.0002337/3.858, allocations: 305.1 kB / 1.532 GB, free: 9.863 MB / 1.123 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003492/3.861, allocations: 0.8308 MB / 1.532 GB, free: 9.027 MB / 1.123 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00506/3.866, allocations: 1.814 MB / 1.534 GB, free: 6.777 MB / 1.123 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.008648/3.875, allocations: 2.517 MB / 1.537 GB, free: 3.934 MB / 1.123 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.76e-05/3.875, allocations: 4 kB / 1.537 GB, free: 3.93 MB / 1.123 GB Notification: Performance of matching and sorting (n=365) (initialization): time 0.01947/3.895, allocations: 3.547 MB / 1.54 GB, free: 324 kB / 1.123 GB Notification: Performance of prepare postOptimizeDAE: time 7.147e-05/3.895, allocations: 16.22 kB / 1.54 GB, free: 308 kB / 1.123 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.99e-05/3.895, allocations: 27.98 kB / 1.54 GB, free: 280 kB / 1.123 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.004384/3.899, allocations: 0.5885 MB / 1.541 GB, free: 15.67 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00405/3.903, allocations: 0.5461 MB / 1.541 GB, free: 15.12 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003885/3.907, allocations: 2.699 MB / 1.544 GB, free: 12.32 MB / 1.139 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0094/3.917, allocations: 0.6004 MB / 1.544 GB, free: 11.72 MB / 1.139 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0009807/3.918, allocations: 132 kB / 1.545 GB, free: 11.59 MB / 1.139 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.007381/3.925, allocations: 1.568 MB / 1.546 GB, free: 10.02 MB / 1.139 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.005177/3.93, allocations: 1.791 MB / 1.548 GB, free: 7.789 MB / 1.139 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.007642/3.938, allocations: 2.463 MB / 1.55 GB, free: 4.996 MB / 1.139 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.845e-05/3.938, allocations: 8 kB / 1.55 GB, free: 4.988 MB / 1.139 GB Notification: Performance of matching and sorting (n=365) (initialization_lambda0): time 0.01508/3.953, allocations: 3.314 MB / 1.554 GB, free: 1.609 MB / 1.139 GB Notification: Performance of prepare postOptimizeDAE: time 6.558e-05/3.954, allocations: 20.03 kB / 1.554 GB, free: 1.59 MB / 1.139 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.362e-05/3.954, allocations: 20 kB / 1.554 GB, free: 1.57 MB / 1.139 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00187/3.955, allocations: 363.1 kB / 1.554 GB, free: 1.203 MB / 1.139 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01181/3.967, allocations: 0.5538 MB / 1.554 GB, free: 0.6484 MB / 1.139 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02542/3.993, allocations: 8.477 MB / 1.563 GB, free: 7.566 MB / 1.154 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.009346/4.002, allocations: 0.5706 MB / 1.563 GB, free: 6.996 MB / 1.154 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.001016/4.003, allocations: 128 kB / 1.563 GB, free: 6.871 MB / 1.154 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 97 * 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 (323): * Single equations (assignments): 319 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 4 systems {(1,12), (1,9), (1,12), (1,9)} Notification: Performance of prepare postOptimizeDAE: time 0.002058/4.005, allocations: 373.6 kB / 1.564 GB, free: 6.5 MB / 1.154 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00387/4.009, allocations: 0.5017 MB / 1.564 GB, free: 5.992 MB / 1.154 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01522/4.025, allocations: 3.573 MB / 1.568 GB, free: 2.352 MB / 1.154 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0001277/4.025, allocations: 35.97 kB / 1.568 GB, free: 2.316 MB / 1.154 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.468e-05/4.025, allocations: 0 / 1.568 GB, free: 2.316 MB / 1.154 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.008321/4.033, allocations: 2.439 MB / 1.57 GB, free: 15.82 MB / 1.17 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 0.03502/4.068, allocations: 8.229 MB / 1.578 GB, free: 7.312 MB / 1.17 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.111e-05/4.068, allocations: 4 kB / 1.578 GB, free: 7.309 MB / 1.17 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.003055/4.071, allocations: 355.6 kB / 1.579 GB, free: 6.961 MB / 1.17 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001672/4.073, allocations: 311.1 kB / 1.579 GB, free: 6.645 MB / 1.17 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005212/4.074, allocations: 59.97 kB / 1.579 GB, free: 6.586 MB / 1.17 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.004245/4.078, allocations: 2.502 MB / 1.581 GB, free: 3.98 MB / 1.17 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.337e-06/4.078, allocations: 0 / 1.581 GB, free: 3.98 MB / 1.17 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01709/4.095, allocations: 4.333 MB / 1.586 GB, free: 15.56 MB / 1.186 GB Notification: Performance of postOpt removeConstants (simulation): time 0.005796/4.101, allocations: 0.8805 MB / 1.586 GB, free: 14.65 MB / 1.186 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.003207/4.104, allocations: 51.98 kB / 1.586 GB, free: 14.6 MB / 1.186 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.009002/4.113, allocations: 423 kB / 1.587 GB, free: 14.19 MB / 1.186 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008728/4.114, allocations: 157.9 kB / 1.587 GB, free: 14.03 MB / 1.186 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0009736/4.115, allocations: 111.9 kB / 1.587 GB, free: 13.92 MB / 1.186 GB Notification: Performance of sorting global known variables: time 0.01286/4.128, allocations: 2.789 MB / 1.59 GB, free: 11.16 MB / 1.186 GB Notification: Performance of sort global known variables: time 2.194e-06/4.128, allocations: 0 / 1.59 GB, free: 11.16 MB / 1.186 GB Notification: Performance of remove unused functions: time 0.02756/4.156, allocations: 3.277 MB / 1.593 GB, free: 7.875 MB / 1.186 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 10 (hea1.vol.dynBal.U,hea2.vol.dynBal.U,hea3.vol.dynBal.U,hea4.vol.dynBal.U,mix1.dynBal.U,hea5.vol.dynBal.U,hea6.vol.dynBal.U,hea7.vol.dynBal.U,hea8.vol.dynBal.U,mix2.dynBal.U) * 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 (219): * Single equations (assignments): 181 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 34 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 4 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 4 systems {(1,9), (1,7), (1,9), (1,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.02171/4.178, allocations: 6.086 MB / 1.599 GB, free: 1.707 MB / 1.186 GB Notification: Performance of simCode: created initialization part: time 0.02418/4.202, allocations: 4.867 MB / 1.604 GB, free: 12.78 MB / 1.201 GB Notification: Performance of simCode: created event and clocks part: time 1.607e-05/4.202, allocations: 12.06 kB / 1.604 GB, free: 12.77 MB / 1.201 GB Notification: Performance of simCode: created simulation system equations: time 0.004285/4.206, allocations: 1.226 MB / 1.605 GB, free: 11.54 MB / 1.201 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0272/4.233, allocations: 2.64 MB / 1.608 GB, free: 8.977 MB / 1.201 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.2182/4.452, allocations: 44.68 MB / 1.651 GB, free: 8.312 MB / 1.248 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.007822/4.46, allocations: 2.877 MB / 1.654 GB, free: 5.406 MB / 1.248 GB Notification: Performance of simCode: alias equations: time 0.01368/4.473, allocations: 1.153 MB / 1.655 GB, free: 4.246 MB / 1.248 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.008813/4.482, allocations: 2.53 MB / 1.658 GB, free: 1.715 MB / 1.248 GB Notification: Performance of SimCode: time 2.144e-06/4.482, allocations: 0 / 1.658 GB, free: 1.715 MB / 1.248 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.093/6.575, allocations: 146.3 MB / 1.8 GB, free: 496.8 MB / 1.342 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0004092/6.576, allocations: 280 kB / 1.801 GB, free: 496.4 MB / 1.342 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.6/22.18, allocations: 0 / 1.801 GB, free: 496.4 MB / 1.342 GB (rm -f Buildings_latest_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u.pipe >> ../files/Buildings_latest_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u_res.mat --tempDir=temp_Buildings_latest_Buildings_Fluid_Interfaces_Examples_HeaterCooler_u_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 Buildings_latest_Buildings_Fluid_Interfaces_Examples_HeaterCooler_u.fmu > Buildings_latest_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u.pipe 2>&1)