Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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.Interfaces.Examples.HeaterCooler_u,fileNamePrefix="IDEAS_IDEAS_Fluid_Interfaces_Examples_HeaterCooler_u",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Interfaces.Examples.HeaterCooler_u,fileNamePrefix="IDEAS_IDEAS_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 0.005901/0.005901, allocations: 98.67 kB / 15.73 MB, free: 6.039 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001288/0.001288, allocations: 202.7 kB / 16.68 MB, free: 5.965 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.336/1.336, allocations: 222.9 MB / 240.4 MB, free: 4.328 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7506/0.7506, allocations: 132.2 MB / 422.7 MB, free: 1.703 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001184/0.001184, allocations: 65 kB / 0.5809 GB, free: 0.9492 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1604/0.1616, allocations: 80.22 MB / 0.6592 GB, free: 13.82 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Interfaces.Examples.HeaterCooler_u): time 0.6222/0.7838, allocations: 300.3 MB / 0.9525 GB, free: 2.066 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.0634/0.8472, allocations: 49.95 MB / 1.001 GB, free: 15.99 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01035/0.8576, allocations: 298.2 kB / 1.002 GB, free: 15.7 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.01053/0.8682, allocations: 3.427 MB / 1.005 GB, free: 12.25 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.02443/0.8927, allocations: 9.015 MB / 1.014 GB, free: 3.199 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.01652/0.9092, allocations: 6.626 MB / 1.02 GB, free: 12.62 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.02523/0.9345, allocations: 18.46 MB / 1.038 GB, free: 10.11 MB / 0.7481 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009153/0.9437, allocations: 5.862 MB / 1.044 GB, free: 4.145 MB / 0.7481 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01694/0.9607, allocations: 7.554 MB / 1.051 GB, free: 12.6 MB / 0.7637 GB Notification: Performance of NFSimplifyModel.simplify: time 0.009497/0.9702, allocations: 5.083 MB / 1.056 GB, free: 7.492 MB / 0.7637 GB Notification: Performance of NFPackage.collectConstants: time 0.002822/0.9731, allocations: 0.5703 MB / 1.057 GB, free: 6.922 MB / 0.7637 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0128/0.9859, allocations: 4.375 MB / 1.061 GB, free: 2.539 MB / 0.7637 GB Notification: Performance of NFScalarize.scalarize: time 0.003707/0.9897, allocations: 1.51 MB / 1.063 GB, free: 1.023 MB / 0.7637 GB Notification: Performance of NFVerifyModel.verify: time 0.008753/0.9984, allocations: 3.732 MB / 1.066 GB, free: 13.27 MB / 0.7794 GB Notification: Performance of NFConvertDAE.convert: time 0.02033/1.019, allocations: 10.44 MB / 1.076 GB, free: 2.805 MB / 0.7794 GB Notification: Performance of FrontEnd - DAE generated: time 8.366e-06/1.019, allocations: 0 / 1.076 GB, free: 2.805 MB / 0.7794 GB Notification: Performance of FrontEnd: time 2.605e-06/1.019, allocations: 0 / 1.076 GB, free: 2.805 MB / 0.7794 GB Notification: Performance of Transformations before backend: time 0.0003871/1.019, allocations: 0 / 1.076 GB, free: 2.805 MB / 0.7794 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 0.01609/1.035, allocations: 7.482 MB / 1.084 GB, free: 11.18 MB / 0.795 GB Notification: Performance of prepare preOptimizeDAE: time 4.514e-05/1.035, allocations: 12.03 kB / 1.084 GB, free: 11.17 MB / 0.795 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001297/1.037, allocations: 0.5396 MB / 1.084 GB, free: 10.62 MB / 0.795 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003149/1.04, allocations: 0.792 MB / 1.085 GB, free: 9.824 MB / 0.795 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01207/1.052, allocations: 5.349 MB / 1.09 GB, free: 4.398 MB / 0.795 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003184/1.052, allocations: 324.1 kB / 1.091 GB, free: 4.078 MB / 0.795 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001151/1.054, allocations: 431.9 kB / 1.091 GB, free: 3.656 MB / 0.795 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01053/1.064, allocations: 4.377 MB / 1.095 GB, free: 15 MB / 0.8106 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001945/1.064, allocations: 15.88 kB / 1.095 GB, free: 14.98 MB / 0.8106 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.001035/1.065, allocations: 180 kB / 1.095 GB, free: 14.81 MB / 0.8106 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001711/1.066, allocations: 112 kB / 1.096 GB, free: 14.7 MB / 0.8106 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.007115/1.073, allocations: 2.965 MB / 1.098 GB, free: 11.73 MB / 0.8106 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 0.03221/1.105, allocations: 25.11 MB / 1.123 GB, free: 0.5742 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.3469/1.452, allocations: 2.766 MB / 1.126 GB, free: 320.4 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00196/1.454, allocations: 0.999 MB / 1.127 GB, free: 320.4 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002402/1.456, allocations: 3.907 MB / 1.13 GB, free: 315.9 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.924e-05/1.456, allocations: 62.06 kB / 1.131 GB, free: 315.9 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=217): time 4.95e-06/1.456, allocations: 1.594 kB / 1.131 GB, free: 315.9 MB / 0.8262 GB Notification: Performance of matching and sorting (n=217): time 0.01178/1.468, allocations: 4.058 MB / 1.134 GB, free: 314.8 MB / 0.8262 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.534e-05/1.468, allocations: 76.05 kB / 1.135 GB, free: 314.7 MB / 0.8262 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007616/1.476, allocations: 4.299 MB / 1.139 GB, free: 313.2 MB / 0.8262 GB Notification: Performance of collectPreVariables (initialization): time 0.0004846/1.476, allocations: 80.39 kB / 1.139 GB, free: 313.2 MB / 0.8262 GB Notification: Performance of collectInitialEqns (initialization): time 0.002018/1.478, allocations: 2.776 MB / 1.142 GB, free: 311.6 MB / 0.8262 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008201/1.479, allocations: 0.7644 MB / 1.142 GB, free: 311 MB / 0.8262 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007773/1.48, allocations: 0.5689 MB / 1.143 GB, free: 310.7 MB / 0.8262 GB Notification: Performance of setup shared object (initialization): time 4.214e-05/1.48, allocations: 303.1 kB / 1.143 GB, free: 310.4 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001331/1.481, allocations: 0.8231 MB / 1.144 GB, free: 310.1 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001937/1.483, allocations: 1.824 MB / 1.146 GB, free: 308.6 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003086/1.486, allocations: 2.519 MB / 1.148 GB, free: 306.8 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.506e-05/1.486, allocations: 15.84 kB / 1.148 GB, free: 306.8 MB / 0.8262 GB Notification: Performance of matching and sorting (n=365) (initialization): time 0.007363/1.494, allocations: 3.546 MB / 1.152 GB, free: 305.4 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 3.868e-05/1.494, allocations: 19.31 kB / 1.152 GB, free: 305.4 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.782e-05/1.494, allocations: 19.78 kB / 1.152 GB, free: 305.4 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002331/1.496, allocations: 0.5904 MB / 1.152 GB, free: 305.2 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0017/1.498, allocations: 0.55 MB / 1.153 GB, free: 305.2 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00169/1.5, allocations: 2.681 MB / 1.155 GB, free: 302.8 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004004/1.504, allocations: 329.4 kB / 1.156 GB, free: 302.6 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004028/1.504, allocations: 134.3 kB / 1.156 GB, free: 302.6 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003115/1.507, allocations: 1.571 MB / 1.157 GB, free: 301.9 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00165/1.509, allocations: 1.791 MB / 1.159 GB, free: 300.4 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002798/1.512, allocations: 2.462 MB / 1.162 GB, free: 298.7 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.249e-05/1.512, allocations: 7.906 kB / 1.162 GB, free: 298.7 MB / 0.8262 GB Notification: Performance of matching and sorting (n=365) (initialization_lambda0): time 0.006327/1.518, allocations: 3.314 MB / 1.165 GB, free: 297.3 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 2.962e-05/1.518, allocations: 15.72 kB / 1.165 GB, free: 297.3 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.482e-05/1.518, allocations: 19.72 kB / 1.165 GB, free: 297.3 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009376/1.519, allocations: 365 kB / 1.165 GB, free: 297.2 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001527/1.521, allocations: 0.5524 MB / 1.166 GB, free: 297.1 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006054/1.527, allocations: 8.449 MB / 1.174 GB, free: 289.7 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003793/1.531, allocations: 294.7 kB / 1.174 GB, free: 289.6 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003648/1.531, allocations: 131.3 kB / 1.174 GB, free: 289.5 MB / 0.8262 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 0.0006527/1.532, allocations: 368.4 kB / 1.175 GB, free: 289.2 MB / 0.8262 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001351/1.533, allocations: 0.5067 MB / 1.175 GB, free: 288.9 MB / 0.8262 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.005215/1.538, allocations: 3.573 MB / 1.179 GB, free: 287.4 MB / 0.8262 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.082e-05/1.538, allocations: 37.5 kB / 1.179 GB, free: 287.4 MB / 0.8262 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.811e-06/1.538, allocations: 0 / 1.179 GB, free: 287.4 MB / 0.8262 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003251/1.542, allocations: 2.435 MB / 1.181 GB, free: 285.9 MB / 0.8262 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 0.01269/1.554, allocations: 8.2 MB / 1.189 GB, free: 277.5 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.262e-05/1.554, allocations: 4 kB / 1.189 GB, free: 277.5 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.00117/1.556, allocations: 357.2 kB / 1.189 GB, free: 277.1 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006214/1.556, allocations: 308.9 kB / 1.19 GB, free: 276.8 MB / 0.8262 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000127/1.556, allocations: 62.03 kB / 1.19 GB, free: 276.8 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001221/1.558, allocations: 2.497 MB / 1.192 GB, free: 274.2 MB / 0.8262 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.347e-06/1.558, allocations: 4 kB / 1.192 GB, free: 274.2 MB / 0.8262 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006495/1.564, allocations: 4.333 MB / 1.197 GB, free: 269.8 MB / 0.8262 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002451/1.567, allocations: 0.8883 MB / 1.197 GB, free: 268.9 MB / 0.8262 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007474/1.567, allocations: 44 kB / 1.197 GB, free: 268.8 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002217/1.57, allocations: 117.4 kB / 1.198 GB, free: 268.7 MB / 0.8262 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002108/1.57, allocations: 153.8 kB / 1.198 GB, free: 268.6 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000179/1.57, allocations: 119.8 kB / 1.198 GB, free: 268.4 MB / 0.8262 GB Notification: Performance of sorting global known variables: time 0.003722/1.574, allocations: 2.844 MB / 1.201 GB, free: 265.6 MB / 0.8262 GB Notification: Performance of sort global known variables: time 1.81e-07/1.574, allocations: 0 / 1.201 GB, free: 265.6 MB / 0.8262 GB Notification: Performance of remove unused functions: time 0.007795/1.581, allocations: 3.24 MB / 1.204 GB, free: 262.5 MB / 0.8262 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 0.00809/1.59, allocations: 6.135 MB / 1.21 GB, free: 256.6 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.006495/1.596, allocations: 4.437 MB / 1.214 GB, free: 252.1 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 8.475e-06/1.596, allocations: 0 / 1.214 GB, free: 252.1 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.001746/1.598, allocations: 1.235 MB / 1.215 GB, free: 250.9 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01246/1.61, allocations: 2.629 MB / 1.218 GB, free: 248.5 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04919/1.66, allocations: 31.82 MB / 1.249 GB, free: 215.7 MB / 0.8262 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001969/1.662, allocations: 2.881 MB / 1.252 GB, free: 212.8 MB / 0.8262 GB Notification: Performance of simCode: alias equations: time 0.0044/1.666, allocations: 1.153 MB / 1.253 GB, free: 211.6 MB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.003287/1.669, allocations: 2.53 MB / 1.255 GB, free: 209.1 MB / 0.8262 GB Notification: Performance of SimCode: time 1.182e-06/1.669, allocations: 0 / 1.255 GB, free: 209.1 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1942/1.864, allocations: 148.2 MB / 1.4 GB, free: 62.21 MB / 0.8262 GB Notification: Performance of buildModelFMU: Generate platform static: time 24.45/26.31, allocations: 14.94 kB / 1.4 GB, free: 62.2 MB / 0.8262 GB (rm -f IDEAS_IDEAS.Fluid.Interfaces.Examples.HeaterCooler_u.pipe ; mkfifo IDEAS_IDEAS.Fluid.Interfaces.Examples.HeaterCooler_u.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Interfaces.Examples.HeaterCooler_u.pipe >> ../files/IDEAS_IDEAS.Fluid.Interfaces.Examples.HeaterCooler_u.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_IDEAS_Fluid_Interfaces_Examples_HeaterCooler_u_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 IDEAS_IDEAS_Fluid_Interfaces_Examples_HeaterCooler_u.fmu > IDEAS_IDEAS.Fluid.Interfaces.Examples.HeaterCooler_u.pipe 2>&1)