Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.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 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.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: "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Sources_Examples_FixedVoltageSource",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource,fileNamePrefix="Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Sources_Examples_FixedVoltageSource",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 0.001134/0.001134, allocations: 105.4 kB / 15.7 MB, free: 28 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001176/0.001176, allocations: 192.8 kB / 16.64 MB, free: 6.453 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.365/1.365, allocations: 205.1 MB / 222.5 MB, free: 4.547 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.668/1.668, allocations: 292.3 MB / 0.549 GB, free: 12.75 MB / 462.1 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 0.001477/0.001478, allocations: 73.19 kB / 0.6718 GB, free: 26.25 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2127/0.2142, allocations: 114.5 MB / 0.7836 GB, free: 13.25 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource): time 0.02032/0.2346, allocations: 16.71 MB / 0.8 GB, free: 12.48 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.01221/0.2468, allocations: 6.31 MB / 0.8061 GB, free: 6.152 MB / 0.6231 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001827/0.2488, allocations: 51.81 kB / 0.8062 GB, free: 6.102 MB / 0.6231 GB Notification: Performance of NFTyping.typeComponents: time 0.003836/0.2526, allocations: 1.302 MB / 0.8075 GB, free: 4.797 MB / 0.6231 GB Notification: Performance of NFTyping.typeBindings: time 0.002518/0.2552, allocations: 0.8401 MB / 0.8083 GB, free: 3.953 MB / 0.6231 GB Notification: Performance of NFTyping.typeClassSections: time 0.004053/0.2592, allocations: 1.543 MB / 0.8098 GB, free: 2.41 MB / 0.6231 GB Notification: Performance of NFFlatten.flatten: time 0.004385/0.2636, allocations: 3.847 MB / 0.8135 GB, free: 14.55 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006217/0.2699, allocations: 5 MB / 0.8184 GB, free: 9.48 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002644/0.2725, allocations: 1.656 MB / 0.82 GB, free: 7.82 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003248/0.2758, allocations: 1.979 MB / 0.822 GB, free: 5.836 MB / 0.6387 GB Notification: Performance of NFPackage.collectConstants: time 0.00107/0.2769, allocations: 380 kB / 0.8223 GB, free: 5.465 MB / 0.6387 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002128/0.2791, allocations: 0.8231 MB / 0.8231 GB, free: 4.641 MB / 0.6387 GB Notification: Performance of NFScalarize.scalarize: time 0.002133/0.2812, allocations: 1.497 MB / 0.8246 GB, free: 3.141 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.003798/0.285, allocations: 1.529 MB / 0.8261 GB, free: 1.605 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.008741/0.2938, allocations: 5.547 MB / 0.8315 GB, free: 12.04 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 7.825e-06/0.2939, allocations: 0 / 0.8315 GB, free: 12.04 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.693e-06/0.2939, allocations: 0 / 0.8315 GB, free: 12.04 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 0.00019/0.2941, allocations: 0 / 0.8315 GB, free: 12.04 MB / 0.6544 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 689 * Number of variables: 689 Notification: Performance of Generate backend data structure: time 0.007493/0.3016, allocations: 2.722 MB / 0.8342 GB, free: 9.262 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 4.658e-05/0.3017, allocations: 8.031 kB / 0.8342 GB, free: 9.254 MB / 0.6544 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.001105/0.3028, allocations: 411.7 kB / 0.8346 GB, free: 8.844 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004056/0.3069, allocations: 0.7744 MB / 0.8353 GB, free: 8.066 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002883/0.3098, allocations: 1.431 MB / 0.8367 GB, free: 6.594 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000164/0.31, allocations: 193.5 kB / 0.8369 GB, free: 6.402 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007205/0.3107, allocations: 248.4 kB / 0.8371 GB, free: 6.16 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.008697/0.3194, allocations: 4.587 MB / 0.8416 GB, free: 1.367 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001/0.3195, allocations: 11.92 kB / 0.8416 GB, free: 1.355 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0006293/0.3202, allocations: 108 kB / 0.8417 GB, free: 1.25 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0002323/0.3204, allocations: 180.2 kB / 0.8419 GB, free: 1.074 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00748/0.3279, allocations: 3.831 MB / 0.8456 GB, free: 13.23 MB / 0.67 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0279/0.3559, allocations: 21.27 MB / 0.8664 GB, free: 6.066 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002651/0.3586, allocations: 2.254 MB / 0.8686 GB, free: 3.52 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001169/0.3598, allocations: 0.7239 MB / 0.8693 GB, free: 2.773 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 7.274e-05/0.3599, allocations: 23.89 kB / 0.8693 GB, free: 2.75 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.625e-05/0.3599, allocations: 42.56 kB / 0.8694 GB, free: 2.699 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=62): time 7.374e-06/0.3599, allocations: 0 / 0.8694 GB, free: 2.699 MB / 0.6856 GB Notification: Performance of matching and sorting (n=68): time 0.006808/0.3668, allocations: 4.194 MB / 0.8735 GB, free: 14.45 MB / 0.7012 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001419/0.3669, allocations: 243.3 kB / 0.8737 GB, free: 14.16 MB / 0.7012 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001697/0.3687, allocations: 1.117 MB / 0.8748 GB, free: 13.02 MB / 0.7012 GB Notification: Performance of collectPreVariables (initialization): time 0.0001306/0.3688, allocations: 37.7 kB / 0.8748 GB, free: 12.97 MB / 0.7012 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007814/0.3696, allocations: 1.187 MB / 0.876 GB, free: 11.77 MB / 0.7012 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003198/0.3699, allocations: 256.5 kB / 0.8762 GB, free: 11.51 MB / 0.7012 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0005997/0.3706, allocations: 331 kB / 0.8766 GB, free: 11.18 MB / 0.7012 GB Notification: Performance of setup shared object (initialization): time 0.0001484/0.3707, allocations: 341.9 kB / 0.8769 GB, free: 10.84 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001054/0.3718, allocations: 0.7113 MB / 0.8776 GB, free: 10.13 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001425/0.3732, allocations: 1.403 MB / 0.879 GB, free: 8.395 MB / 0.7012 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002652/0.3759, allocations: 2.166 MB / 0.8811 GB, free: 5.898 MB / 0.7012 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.467e-05/0.3759, allocations: 8 kB / 0.8811 GB, free: 5.891 MB / 0.7012 GB Notification: Performance of matching and sorting (n=192) (initialization): time 0.003779/0.3797, allocations: 2.176 MB / 0.8832 GB, free: 3.707 MB / 0.7012 GB Notification: Performance of prepare postOptimizeDAE: time 4.219e-05/0.3798, allocations: 19.94 kB / 0.8832 GB, free: 3.688 MB / 0.7012 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.334e-05/0.3798, allocations: 24 kB / 0.8832 GB, free: 3.664 MB / 0.7012 GB Notification: Performance of postOpt tearingSystem (initialization): time 4.941e-05/0.3799, allocations: 36.8 kB / 0.8833 GB, free: 3.629 MB / 0.7012 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001558/0.3815, allocations: 431.2 kB / 0.8837 GB, free: 3.207 MB / 0.7012 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.491e-05/0.3815, allocations: 51.78 kB / 0.8837 GB, free: 3.156 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001399/0.383, allocations: 191.3 kB / 0.8839 GB, free: 2.969 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001745/0.3831, allocations: 83.97 kB / 0.884 GB, free: 2.887 MB / 0.7012 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00241/0.3856, allocations: 1.546 MB / 0.8855 GB, free: 1.336 MB / 0.7012 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001463/0.387, allocations: 1.329 MB / 0.8868 GB, free: 15.66 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002492/0.3896, allocations: 1.972 MB / 0.8887 GB, free: 13.34 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.91e-05/0.3896, allocations: 8 kB / 0.8887 GB, free: 13.33 MB / 0.7169 GB Notification: Performance of matching and sorting (n=192) (initialization_lambda0): time 0.003408/0.393, allocations: 1.976 MB / 0.8907 GB, free: 11.34 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 3.361e-05/0.3931, allocations: 25.02 kB / 0.8907 GB, free: 11.32 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.387e-05/0.3931, allocations: 27.94 kB / 0.8907 GB, free: 11.29 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.888e-05/0.3932, allocations: 36 kB / 0.8908 GB, free: 11.26 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001321/0.3945, allocations: 387.3 kB / 0.8911 GB, free: 10.88 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.678e-05/0.3946, allocations: 51.78 kB / 0.8912 GB, free: 10.83 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001384/0.396, allocations: 147.5 kB / 0.8913 GB, free: 10.68 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001747/0.3962, allocations: 83.98 kB / 0.8914 GB, free: 10.6 MB / 0.7169 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 108 * 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 (192): * Single equations (assignments): 192 * Array equations: 0 * Algorithm blocks: 0 * 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 0.0004867/0.3967, allocations: 291.9 kB / 0.8917 GB, free: 10.31 MB / 0.7169 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00042/0.3971, allocations: 110.6 kB / 0.8918 GB, free: 10.2 MB / 0.7169 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001777/0.3989, allocations: 1.087 MB / 0.8928 GB, free: 9.109 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.822e-05/0.3989, allocations: 12 kB / 0.8929 GB, free: 9.098 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.174e-05/0.3989, allocations: 3.938 kB / 0.8929 GB, free: 9.094 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.631e-05/0.399, allocations: 7.984 kB / 0.8929 GB, free: 9.086 MB / 0.7169 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01477/0.4137, allocations: 10.18 MB / 0.9028 GB, free: 14.64 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.257e-05/0.4138, allocations: 19.98 kB / 0.9028 GB, free: 14.62 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000731/0.4146, allocations: 187.7 kB / 0.903 GB, free: 14.44 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.265e-05/0.4146, allocations: 24.06 kB / 0.903 GB, free: 14.42 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.149e-05/0.4147, allocations: 31.98 kB / 0.9031 GB, free: 14.39 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.523e-05/0.4147, allocations: 27.88 kB / 0.9031 GB, free: 14.36 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.684e-05/0.4148, allocations: 27.88 kB / 0.9031 GB, free: 14.33 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002253/0.417, allocations: 2.158 MB / 0.9052 GB, free: 11.96 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006592/0.4177, allocations: 323.9 kB / 0.9055 GB, free: 11.62 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002526/0.418, allocations: 35.98 kB / 0.9056 GB, free: 11.59 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001124/0.4191, allocations: 91.86 kB / 0.9056 GB, free: 11.5 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001728/0.4193, allocations: 107.5 kB / 0.9058 GB, free: 11.39 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.669e-05/0.4194, allocations: 47.92 kB / 0.9058 GB, free: 11.34 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.001207/0.4206, allocations: 0.7659 MB / 0.9065 GB, free: 10.57 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.31e-07/0.4206, allocations: 0 / 0.9065 GB, free: 10.57 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.003516/0.4241, allocations: 0.7266 MB / 0.9073 GB, free: 9.84 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 70 * 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 simulation (74): * Single equations (assignments): 74 * Array equations: 0 * Algorithm blocks: 0 * 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 Backend phase and start with SimCode phase: time 0.002672/0.4268, allocations: 2.749 MB / 0.9099 GB, free: 6.863 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.00363/0.4304, allocations: 2.522 MB / 0.9124 GB, free: 4.352 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 1.774e-05/0.4305, allocations: 8.125 kB / 0.9124 GB, free: 4.344 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.0007875/0.4313, allocations: 0.5609 MB / 0.913 GB, free: 3.785 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002224/0.4335, allocations: 259.1 kB / 0.9132 GB, free: 3.543 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.3774/0.8109, allocations: 14.95 MB / 0.9278 GB, free: 123.3 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002721/0.8137, allocations: 2.003 MB / 0.9298 GB, free: 122.3 MB / 0.7325 GB Notification: Performance of simCode: alias equations: time 0.002108/0.8159, allocations: 0.8519 MB / 0.9306 GB, free: 122.3 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001306/0.8172, allocations: 0.7336 MB / 0.9313 GB, free: 121.7 MB / 0.7325 GB Notification: Performance of SimCode: time 1.352e-06/0.8172, allocations: 0 / 0.9313 GB, free: 121.7 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.06181/0.879, allocations: 28.49 MB / 0.9591 GB, free: 111.8 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate platform static: time 9.4/10.28, allocations: 15.02 kB / 0.9591 GB, free: 111.7 MB / 0.7325 GB (rm -f Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.pipe ; mkfifo Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.pipe ; head -c 1048576 < Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.pipe >> ../files/Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.sim & python3 -m fmpy simulate --output-file Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 Buildings_8_Buildings_Electrical_AC_ThreePhasesUnbalanced_Sources_Examples_FixedVoltageSource.fmu > Buildings_8_Buildings.Electrical.AC.ThreePhasesUnbalanced.Sources.Examples.FixedVoltageSource.pipe 2>&1)