Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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(Buildings.Fluid.Interfaces.Examples.HeaterCooler_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u") translateModel(Buildings.Fluid.Interfaces.Examples.HeaterCooler_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001036/0.001037, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001075/0.001075, allocations: 189.3 kB / 16.14 MB, free: 6.703 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.281/1.281, allocations: 205.1 MB / 222 MB, free: 4.762 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.53/1.53, allocations: 251.7 MB / 0.5088 GB, free: 3.344 MB / 414.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001425/0.001425, allocations: 67.91 kB / 0.6216 GB, free: 2.016 MB / 0.5137 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4723/0.4738, allocations: 104.7 MB / 0.7238 GB, free: 13.16 MB / 0.545 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Interfaces.Examples.HeaterCooler_u): time 0.6185/1.092, allocations: 298.2 MB / 1.015 GB, free: 37.71 MB / 0.7169 GB Notification: Performance of NFInst.instExpressions: time 0.05749/1.15, allocations: 49.65 MB / 1.064 GB, free: 4.707 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.01117/1.161, allocations: 266.2 kB / 1.064 GB, free: 4.445 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.01195/1.173, allocations: 2.79 MB / 1.066 GB, free: 1.641 MB / 0.7325 GB Notification: Performance of NFTyping.typeBindings: time 0.025/1.198, allocations: 8.368 MB / 1.075 GB, free: 9.246 MB / 0.7481 GB Notification: Performance of NFTyping.typeClassSections: time 0.01612/1.214, allocations: 5.857 MB / 1.08 GB, free: 3.418 MB / 0.7481 GB Notification: Performance of NFFlatten.flatten: time 0.02852/1.243, allocations: 24.45 MB / 1.104 GB, free: 10.91 MB / 0.7794 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01212/1.255, allocations: 4.818 MB / 1.109 GB, free: 5.988 MB / 0.7794 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01589/1.271, allocations: 6.342 MB / 1.115 GB, free: 15.61 MB / 0.795 GB Notification: Performance of NFSimplifyModel.simplify: time 0.008605/1.28, allocations: 5.109 MB / 1.12 GB, free: 10.48 MB / 0.795 GB Notification: Performance of NFPackage.collectConstants: time 0.002317/1.282, allocations: 304 kB / 1.12 GB, free: 10.18 MB / 0.795 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01133/1.293, allocations: 3.979 MB / 1.124 GB, free: 6.195 MB / 0.795 GB Notification: Performance of NFScalarize.scalarize: time 0.002355/1.296, allocations: 1.236 MB / 1.126 GB, free: 4.953 MB / 0.795 GB Notification: Performance of NFVerifyModel.verify: time 0.006211/1.302, allocations: 3.424 MB / 1.129 GB, free: 1.512 MB / 0.795 GB Notification: Performance of NFConvertDAE.convert: time 0.01618/1.318, allocations: 10.05 MB / 1.139 GB, free: 7.434 MB / 0.8106 GB Notification: Performance of FrontEnd - DAE generated: time 6.232e-06/1.318, allocations: 0 / 1.139 GB, free: 7.434 MB / 0.8106 GB Notification: Performance of FrontEnd: time 1.403e-06/1.318, allocations: 0 / 1.139 GB, free: 7.434 MB / 0.8106 GB Notification: Performance of Transformations before backend: time 0.0002524/1.318, allocations: 0 / 1.139 GB, free: 7.434 MB / 0.8106 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 0.01349/1.332, allocations: 7.443 MB / 1.146 GB, free: 15.85 MB / 0.8262 GB Notification: Performance of prepare preOptimizeDAE: time 4.309e-05/1.332, allocations: 8.031 kB / 1.146 GB, free: 15.84 MB / 0.8262 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002209/1.334, allocations: 0.7803 MB / 1.147 GB, free: 15.05 MB / 0.8262 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.009047/1.343, allocations: 5.145 MB / 1.152 GB, free: 9.828 MB / 0.8262 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002088/1.343, allocations: 320.1 kB / 1.152 GB, free: 9.512 MB / 0.8262 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006069/1.344, allocations: 439.9 kB / 1.152 GB, free: 9.082 MB / 0.8262 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.007388/1.351, allocations: 4.338 MB / 1.157 GB, free: 4.465 MB / 0.8262 GB Notification: Performance of preOpt findStateOrder (simulation): time 8.118e-05/1.352, allocations: 19.88 kB / 1.157 GB, free: 4.445 MB / 0.8262 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003416/1.352, allocations: 172 kB / 1.157 GB, free: 4.277 MB / 0.8262 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001054/1.352, allocations: 120 kB / 1.157 GB, free: 4.16 MB / 0.8262 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005166/1.357, allocations: 2.961 MB / 1.16 GB, free: 1.195 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 preOpt removeSimpleEquations (simulation): time 0.02399/1.381, allocations: 24.96 MB / 1.184 GB, free: 6.191 MB / 0.8575 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002885/1.384, allocations: 2.765 MB / 1.187 GB, free: 3.207 MB / 0.8575 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001398/1.386, allocations: 0.9915 MB / 1.188 GB, free: 2.223 MB / 0.8575 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002624/1.388, allocations: 3.908 MB / 1.192 GB, free: 13.45 MB / 0.8731 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.49e-05/1.388, allocations: 60.5 kB / 1.192 GB, free: 13.38 MB / 0.8731 GB Notification: Performance of pre-optimization done (n=217): time 4.999e-06/1.388, allocations: 0 / 1.192 GB, free: 13.38 MB / 0.8731 GB Notification: Performance of matching and sorting (n=217): time 0.01097/1.399, allocations: 4.065 MB / 1.196 GB, free: 9.219 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.369e-05/1.399, allocations: 77.34 kB / 1.196 GB, free: 9.133 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.006767/1.406, allocations: 4.203 MB / 1.2 GB, free: 4.949 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.0004587/1.407, allocations: 77.7 kB / 1.2 GB, free: 4.867 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.001866/1.408, allocations: 2.778 MB / 1.203 GB, free: 2.07 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008521/1.409, allocations: 0.7508 MB / 1.203 GB, free: 1.309 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006989/1.41, allocations: 0.5802 MB / 1.204 GB, free: 0.7227 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 7.835e-05/1.41, allocations: 305.1 kB / 1.204 GB, free: 432 kB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001325/1.411, allocations: 0.8309 MB / 1.205 GB, free: 15.59 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002033/1.414, allocations: 1.837 MB / 1.207 GB, free: 13.31 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00326/1.417, allocations: 2.509 MB / 1.209 GB, free: 10.47 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.13e-05/1.417, allocations: 8 kB / 1.209 GB, free: 10.46 MB / 0.8887 GB Notification: Performance of matching and sorting (n=365) (initialization): time 0.007729/1.425, allocations: 3.551 MB / 1.213 GB, free: 6.848 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 3.097e-05/1.425, allocations: 16 kB / 1.213 GB, free: 6.832 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.647e-05/1.425, allocations: 20 kB / 1.213 GB, free: 6.812 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002662/1.427, allocations: 0.5992 MB / 1.213 GB, free: 6.203 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001762/1.429, allocations: 0.5538 MB / 1.214 GB, free: 5.648 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001957/1.431, allocations: 2.683 MB / 1.217 GB, free: 2.863 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004588/1.436, allocations: 0.617 MB / 1.217 GB, free: 2.246 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002811/1.436, allocations: 144 kB / 1.217 GB, free: 2.105 MB / 0.8887 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002888/1.439, allocations: 1.56 MB / 1.219 GB, free: 0.5391 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002029/1.441, allocations: 1.802 MB / 1.221 GB, free: 14.3 MB / 0.9044 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003192/1.444, allocations: 2.463 MB / 1.223 GB, free: 11.5 MB / 0.9044 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.081e-05/1.444, allocations: 8 kB / 1.223 GB, free: 11.5 MB / 0.9044 GB Notification: Performance of matching and sorting (n=365) (initialization_lambda0): time 0.006582/1.451, allocations: 3.306 MB / 1.226 GB, free: 8.125 MB / 0.9044 GB Notification: Performance of prepare postOptimizeDAE: time 2.41e-05/1.451, allocations: 19.94 kB / 1.226 GB, free: 8.105 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.172e-05/1.451, allocations: 20 kB / 1.226 GB, free: 8.086 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009637/1.452, allocations: 371.5 kB / 1.227 GB, free: 7.711 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001638/1.453, allocations: 0.5538 MB / 1.227 GB, free: 7.156 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008183/1.462, allocations: 7.697 MB / 1.235 GB, free: 14.88 MB / 0.92 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.006343/1.468, allocations: 0.5963 MB / 1.235 GB, free: 14.28 MB / 0.92 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004896/1.469, allocations: 128 kB / 1.235 GB, free: 14.15 MB / 0.92 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 0.0007049/1.469, allocations: 363.8 kB / 1.236 GB, free: 13.79 MB / 0.92 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001694/1.471, allocations: 0.4978 MB / 1.236 GB, free: 13.29 MB / 0.92 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006143/1.477, allocations: 3.569 MB / 1.24 GB, free: 9.648 MB / 0.92 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.381e-05/1.477, allocations: 39.97 kB / 1.24 GB, free: 9.609 MB / 0.92 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.432e-06/1.477, allocations: 3.938 kB / 1.24 GB, free: 9.605 MB / 0.92 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003648/1.481, allocations: 2.447 MB / 1.242 GB, free: 7.105 MB / 0.92 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 0.01338/1.494, allocations: 8.158 MB / 1.25 GB, free: 14.66 MB / 0.9356 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.868e-06/1.494, allocations: 0 / 1.25 GB, free: 14.66 MB / 0.9356 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001293/1.496, allocations: 363.5 kB / 1.251 GB, free: 14.31 MB / 0.9356 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0007119/1.496, allocations: 315 kB / 1.251 GB, free: 13.99 MB / 0.9356 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001189/1.496, allocations: 59.97 kB / 1.251 GB, free: 13.93 MB / 0.9356 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001649/1.498, allocations: 2.487 MB / 1.253 GB, free: 11.34 MB / 0.9356 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.874e-06/1.498, allocations: 0 / 1.253 GB, free: 11.34 MB / 0.9356 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006947/1.505, allocations: 4.352 MB / 1.258 GB, free: 6.902 MB / 0.9356 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002328/1.507, allocations: 0.8611 MB / 1.258 GB, free: 6.016 MB / 0.9356 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007798/1.508, allocations: 48 kB / 1.258 GB, free: 5.969 MB / 0.9356 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003106/1.511, allocations: 431 kB / 1.259 GB, free: 5.547 MB / 0.9356 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002369/1.512, allocations: 149.7 kB / 1.259 GB, free: 5.398 MB / 0.9356 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001881/1.512, allocations: 103.9 kB / 1.259 GB, free: 5.297 MB / 0.9356 GB Notification: Performance of sorting global known variables: time 0.004313/1.516, allocations: 2.772 MB / 1.262 GB, free: 2.551 MB / 0.9356 GB Notification: Performance of sort global known variables: time 2.8e-07/1.516, allocations: 0 / 1.262 GB, free: 2.551 MB / 0.9356 GB Notification: Performance of remove unused functions: time 0.4342/1.95, allocations: 3.268 MB / 1.265 GB, free: 375.9 MB / 0.9356 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 0.004242/1.955, allocations: 1.442 MB / 1.266 GB, free: 375.8 MB / 0.9356 GB Notification: Performance of simCode: created initialization part: time 0.01029/1.965, allocations: 4.424 MB / 1.271 GB, free: 374.9 MB / 0.9356 GB Notification: Performance of simCode: created event and clocks part: time 1.323e-05/1.965, allocations: 1.094 kB / 1.271 GB, free: 374.9 MB / 0.9356 GB Notification: Performance of simCode: created simulation system equations: time 0.003132/1.968, allocations: 1.228 MB / 1.272 GB, free: 374.4 MB / 0.9356 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01629/1.984, allocations: 2.673 MB / 1.275 GB, free: 373.9 MB / 0.9356 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01618/2.001, allocations: 11.37 MB / 1.286 GB, free: 367.6 MB / 0.9356 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00239/2.003, allocations: 2.86 MB / 1.288 GB, free: 366.7 MB / 0.9356 GB Notification: Performance of simCode: alias equations: time 0.006169/2.009, allocations: 1.152 MB / 1.29 GB, free: 366.4 MB / 0.9356 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001299/2.011, allocations: 412.7 kB / 1.29 GB, free: 366.3 MB / 0.9356 GB Notification: Performance of SimCode: time 9.22e-07/2.011, allocations: 0 / 1.29 GB, free: 366.3 MB / 0.9356 GB Notification: Performance of Templates: time 0.1479/2.159, allocations: 103.8 MB / 1.391 GB, free: 275.4 MB / 0.9356 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u.makefile (rm -f Buildings_maint.7.0.x_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u.sim & ./Buildings_maint.7.0.x_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Fluid.Interfaces.Examples.HeaterCooler_u.pipe 2>&1)