Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_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-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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(IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u") translateModel(IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.007969/0.007968, allocations: 105.5 kB / 15.74 MB, free: 6.008 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001967/0.001967, allocations: 196.9 kB / 16.68 MB, free: 5.93 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.345/1.345, allocations: 222.9 MB / 240.4 MB, free: 15.13 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.8119/0.8119, allocations: 135.1 MB / 425.7 MB, free: 4.082 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001219/0.001219, allocations: 60.16 kB / 0.5856 GB, free: 21.57 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1824/0.1836, allocations: 80.93 MB / 0.6647 GB, free: 5.77 MB / 0.4981 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Blocks/Math.mo:543:5-544:48:writable] Warning: Parameter mov.gaiSpe.k has no value, and is fixed during initialization (fixed=true), using available start value (start=1) as default value. Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u): time 0.07464/0.2583, allocations: 66.98 MB / 0.7301 GB, free: 2.562 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.02637/0.2847, allocations: 16.72 MB / 0.7464 GB, free: 1.793 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003496/0.2883, allocations: 99.44 kB / 0.7465 GB, free: 1.695 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.00359/0.2919, allocations: 1.192 MB / 0.7477 GB, free: 0.4961 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.3625/0.6544, allocations: 2.769 MB / 0.7504 GB, free: 12.43 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.006342/0.6607, allocations: 2.354 MB / 0.7527 GB, free: 12.42 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.01008/0.6708, allocations: 5.363 MB / 0.7579 GB, free: 12.41 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003796/0.6747, allocations: 1.914 MB / 0.7598 GB, free: 12.16 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006212/0.6809, allocations: 2.145 MB / 0.7619 GB, free: 12.11 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003424/0.6844, allocations: 1.493 MB / 0.7633 GB, free: 11.83 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0005525/0.6849, allocations: 189.7 kB / 0.7635 GB, free: 11.83 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005065/0.69, allocations: 1.968 MB / 0.7654 GB, free: 11.82 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0007889/0.6908, allocations: 0.5551 MB / 0.766 GB, free: 11.74 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.001948/0.6928, allocations: 1.144 MB / 0.7671 GB, free: 11.41 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.006609/0.6994, allocations: 3.642 MB / 0.7706 GB, free: 10.91 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 6.152e-06/0.6994, allocations: 1.281 kB / 0.7706 GB, free: 10.91 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.663e-06/0.6994, allocations: 0 / 0.7706 GB, free: 10.91 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 5.586e-05/0.6995, allocations: 4 kB / 0.7707 GB, free: 10.91 MB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 310 * Number of variables: 310 Notification: Performance of Generate backend data structure: time 0.005274/0.7048, allocations: 2.672 MB / 0.7733 GB, free: 9.559 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.166e-05/0.7048, allocations: 10.95 kB / 0.7733 GB, free: 9.559 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001636/0.7065, allocations: 379.6 kB / 0.7736 GB, free: 9.426 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003536/0.71, allocations: 1.82 MB / 0.7754 GB, free: 8.922 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.917e-05/0.7101, allocations: 97.28 kB / 0.7755 GB, free: 8.918 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002098/0.7103, allocations: 135.3 kB / 0.7756 GB, free: 8.914 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002642/0.713, allocations: 1.429 MB / 0.777 GB, free: 8.664 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.409e-05/0.713, allocations: 1.156 kB / 0.777 GB, free: 8.664 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001263/0.7132, allocations: 53.47 kB / 0.7771 GB, free: 8.66 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.322e-05/0.7132, allocations: 53.02 kB / 0.7771 GB, free: 8.656 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002483/0.7157, allocations: 1.095 MB / 0.7782 GB, free: 8.633 MB / 0.5762 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 0.009361/0.7251, allocations: 7.355 MB / 0.7854 GB, free: 4.434 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001952/0.7271, allocations: 1.292 MB / 0.7866 GB, free: 3.832 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0009403/0.728, allocations: 451.6 kB / 0.7871 GB, free: 3.816 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.004528/0.7326, allocations: 2.636 MB / 0.7896 GB, free: 2.445 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001034/0.7336, allocations: 487.5 kB / 0.7901 GB, free: 2.359 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=63): time 2.494e-06/0.7336, allocations: 4 kB / 0.7901 GB, free: 2.355 MB / 0.5762 GB Notification: Performance of matching and sorting (n=63): time 0.002949/0.7366, allocations: 1.204 MB / 0.7913 GB, free: 1.953 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.292e-05/0.7366, allocations: 118.8 kB / 0.7914 GB, free: 1.824 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001807/0.7385, allocations: 1.476 MB / 0.7928 GB, free: 1.078 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 8.242e-05/0.7385, allocations: 44.23 kB / 0.7929 GB, free: 1.035 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.000579/0.7391, allocations: 0.8953 MB / 0.7938 GB, free: 252 kB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.00018/0.7393, allocations: 230.5 kB / 0.794 GB, free: 52 kB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003262/0.7397, allocations: 211 kB / 0.7942 GB, free: 15.94 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001374/0.7398, allocations: 345.7 kB / 0.7945 GB, free: 15.61 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009106/0.7407, allocations: 374.9 kB / 0.7949 GB, free: 15.43 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001186/0.7419, allocations: 0.722 MB / 0.7956 GB, free: 14.78 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002025/0.744, allocations: 1.092 MB / 0.7966 GB, free: 14 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.305e-06/0.744, allocations: 2 kB / 0.7966 GB, free: 14 MB / 0.5919 GB Notification: Performance of matching and sorting (n=122) (initialization): time 0.002775/0.7468, allocations: 1.27 MB / 0.7979 GB, free: 13.42 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 6.142e-05/0.7468, allocations: 40.66 kB / 0.7979 GB, free: 13.39 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.734e-05/0.7469, allocations: 10.72 kB / 0.7979 GB, free: 13.39 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.975e-05/0.7469, allocations: 13.75 kB / 0.7979 GB, free: 13.39 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009411/0.7478, allocations: 246.9 kB / 0.7982 GB, free: 13.34 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.286e-05/0.7479, allocations: 22.8 kB / 0.7982 GB, free: 13.34 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001288/0.7492, allocations: 127.3 kB / 0.7983 GB, free: 13.26 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.458e-05/0.7493, allocations: 49.89 kB / 0.7984 GB, free: 13.25 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001535/0.7508, allocations: 0.6795 MB / 0.799 GB, free: 12.85 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001133/0.752, allocations: 0.7114 MB / 0.7997 GB, free: 12.21 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001965/0.7539, allocations: 1.056 MB / 0.8008 GB, free: 11.45 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.142e-06/0.754, allocations: 2.844 kB / 0.8008 GB, free: 11.45 MB / 0.5919 GB Notification: Performance of matching and sorting (n=122) (initialization_lambda0): time 0.002766/0.7567, allocations: 1.241 MB / 0.802 GB, free: 10.88 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 4.069e-05/0.7568, allocations: 45.38 kB / 0.802 GB, free: 10.84 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.164e-05/0.7568, allocations: 11.44 kB / 0.802 GB, free: 10.84 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.468e-05/0.7568, allocations: 20.22 kB / 0.802 GB, free: 10.84 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009373/0.7578, allocations: 244.8 kB / 0.8023 GB, free: 10.79 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.63e-05/0.7578, allocations: 19.94 kB / 0.8023 GB, free: 10.79 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00137/0.7592, allocations: 115.7 kB / 0.8024 GB, free: 10.72 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.885e-05/0.7593, allocations: 50.89 kB / 0.8025 GB, free: 10.71 MB / 0.5919 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 45 * 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 (120): * Single equations (assignments): 118 * 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 0.0003977/0.7597, allocations: 247.1 kB / 0.8027 GB, free: 10.5 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003647/0.7601, allocations: 167.8 kB / 0.8029 GB, free: 10.41 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002631/0.7627, allocations: 1.066 MB / 0.8039 GB, free: 9.828 MB / 0.5919 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.528e-05/0.7627, allocations: 7.438 kB / 0.8039 GB, free: 9.828 MB / 0.5919 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.153e-06/0.7627, allocations: 0 / 0.8039 GB, free: 9.828 MB / 0.5919 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001736/0.7645, allocations: 0.7724 MB / 0.8047 GB, free: 9.422 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00521/0.7697, allocations: 2.7 MB / 0.8073 GB, free: 7.586 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.167e-06/0.7697, allocations: 6.094 kB / 0.8073 GB, free: 7.582 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007464/0.7705, allocations: 155.3 kB / 0.8074 GB, free: 7.547 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.000162/0.7707, allocations: 26.25 kB / 0.8075 GB, free: 7.531 MB / 0.5919 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.266e-05/0.7707, allocations: 26.86 kB / 0.8075 GB, free: 7.516 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001129/0.7719, allocations: 1.42 MB / 0.8089 GB, free: 6.062 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.236e-06/0.7719, allocations: 2.312 kB / 0.8089 GB, free: 6.062 MB / 0.5919 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003347/0.7752, allocations: 1.571 MB / 0.8104 GB, free: 5.16 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007613/0.776, allocations: 357.3 kB / 0.8108 GB, free: 4.859 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002387/0.7763, allocations: 17.89 kB / 0.8108 GB, free: 4.848 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0009834/0.7773, allocations: 64.3 kB / 0.8108 GB, free: 4.812 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001488/0.7774, allocations: 55.75 kB / 0.8109 GB, free: 4.781 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.978e-05/0.7775, allocations: 42.64 kB / 0.8109 GB, free: 4.762 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.001707/0.7792, allocations: 1.073 MB / 0.812 GB, free: 4.152 MB / 0.5919 GB Notification: Performance of sort global known variables: time 1.3e-07/0.7792, allocations: 3.281 kB / 0.812 GB, free: 4.152 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.002887/0.7821, allocations: 0.934 MB / 0.8129 GB, free: 3.414 MB / 0.5919 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 6 (vol.dynBal.U,mov.filter.s[1],mov.filter.s[2],conPI.I.y,THeaOut.T,hea.vol.dynBal.U) * 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 (75): * Single equations (assignments): 67 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * 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 {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001279/0.7834, allocations: 0.5357 MB / 0.8134 GB, free: 2.914 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.003585/0.787, allocations: 1.562 MB / 0.8149 GB, free: 1.402 MB / 0.5919 GB Notification: Performance of simCode: created event and clocks part: time 6.703e-06/0.787, allocations: 4 kB / 0.815 GB, free: 1.398 MB / 0.5919 GB Notification: Performance of simCode: created simulation system equations: time 0.0012/0.7882, allocations: 0.5435 MB / 0.8155 GB, free: 0.8633 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004235/0.7925, allocations: 0.8834 MB / 0.8163 GB, free: 0 / 0.5919 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005425/0.7979, allocations: 3.126 MB / 0.8194 GB, free: 12.85 MB / 0.6075 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001005/0.799, allocations: 1.4 MB / 0.8208 GB, free: 11.42 MB / 0.6075 GB Notification: Performance of simCode: alias equations: time 0.001659/0.8006, allocations: 418.5 kB / 0.8212 GB, free: 11.01 MB / 0.6075 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003515/0.801, allocations: 146.8 kB / 0.8213 GB, free: 10.87 MB / 0.6075 GB Notification: Performance of SimCode: time 7.52e-07/0.801, allocations: 0 / 0.8213 GB, free: 10.87 MB / 0.6075 GB Notification: Performance of Templates: time 0.05794/0.859, allocations: 34.75 MB / 0.8552 GB, free: 8.676 MB / 0.6387 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u.makefile (rm -f IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u.sim & ./IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe 2>&1)