Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo", uses=false) 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 3.0.0/package.mo", uses=false) Using package Buildings with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/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) Using package Modelica_StateGraph2 with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo) Running command: translateModel(Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow") translateModel(Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow") [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:257:38-257:110:writable] Warning: The file was not encoded in UTF-8: "

An important practical aspect of state machines is the abilit...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:761:36-761:108:writable] Warning: The file was not encoded in UTF-8: "

The Modelica_StateGraph2 library is described in detail in (O...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:1435:36-1435:108:writable] Warning: The file was not encoded in UTF-8: "

Main Authors:

SCode: time 0.2233/0.2255, allocations: 80.82 MB / 0.6706 GB, free: 1.836 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow): time 0.05636/0.2819, allocations: 60.24 MB / 0.7294 GB, free: 5.387 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.01752/0.2995, allocations: 11.01 MB / 0.7402 GB, free: 10.35 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003621/0.3033, allocations: 51.69 kB / 0.7402 GB, free: 10.3 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.002944/0.3062, allocations: 0.6986 MB / 0.7409 GB, free: 9.598 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.008004/0.3143, allocations: 1.881 MB / 0.7428 GB, free: 7.707 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.003768/0.3181, allocations: 1.095 MB / 0.7438 GB, free: 6.625 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.005615/0.3237, allocations: 3.03 MB / 0.7468 GB, free: 3.582 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00237/0.3261, allocations: 1.123 MB / 0.7479 GB, free: 2.426 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003825/0.3299, allocations: 1.447 MB / 0.7493 GB, free: 0.9727 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.4743/0.8043, allocations: 0.9779 MB / 0.7503 GB, free: 21.69 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.000829/0.8052, allocations: 127.3 kB / 0.7504 GB, free: 21.69 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004164/0.8093, allocations: 1.092 MB / 0.7514 GB, free: 21.69 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0005858/0.8099, allocations: 309 kB / 0.7517 GB, free: 21.69 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.001573/0.8115, allocations: 0.7379 MB / 0.7525 GB, free: 21.69 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.005062/0.8166, allocations: 2.198 MB / 0.7546 GB, free: 21.64 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 6.953e-06/0.8166, allocations: 0 / 0.7546 GB, free: 21.64 MB / 0.5762 GB Notification: Performance of FrontEnd: time 2.215e-06/0.8166, allocations: 0 / 0.7546 GB, free: 21.64 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 3.499e-05/0.8167, allocations: 0 / 0.7546 GB, free: 21.64 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: 220 * Number of variables: 220 Notification: Performance of Generate backend data structure: time 0.004333/0.821, allocations: 1.736 MB / 0.7563 GB, free: 20.76 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 5.57e-05/0.8211, allocations: 9.734 kB / 0.7563 GB, free: 20.76 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003305/0.8244, allocations: 0.495 MB / 0.7568 GB, free: 20.69 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002833/0.8272, allocations: 1.1 MB / 0.7579 GB, free: 20.34 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001206/0.8274, allocations: 71.61 kB / 0.7579 GB, free: 20.34 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001832/0.8276, allocations: 88.06 kB / 0.758 GB, free: 20.34 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003341/0.8309, allocations: 1.269 MB / 0.7593 GB, free: 20.07 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.068e-05/0.831, allocations: 4.25 kB / 0.7593 GB, free: 20.07 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001139/0.8311, allocations: 40.78 kB / 0.7593 GB, free: 20.07 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.894e-05/0.8312, allocations: 26.3 kB / 0.7593 GB, free: 20.07 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003933/0.8351, allocations: 1.096 MB / 0.7604 GB, free: 20.04 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 0.01009/0.8452, allocations: 6.228 MB / 0.7665 GB, free: 16.18 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003257/0.8485, allocations: 0.8641 MB / 0.7673 GB, free: 16.13 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001164/0.8497, allocations: 364.7 kB / 0.7677 GB, free: 16.12 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002726/0.85, allocations: 260.1 kB / 0.7679 GB, free: 15.84 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.295e-05/0.85, allocations: 46.56 kB / 0.768 GB, free: 15.79 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=43): time 2.876e-06/0.85, allocations: 0 / 0.768 GB, free: 15.79 MB / 0.5762 GB Notification: Performance of matching and sorting (n=43): time 0.00873/0.8588, allocations: 1.908 MB / 0.7698 GB, free: 15.54 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.709e-05/0.8589, allocations: 160 kB / 0.77 GB, free: 15.35 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001987/0.8609, allocations: 1.025 MB / 0.771 GB, free: 15.2 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0001637/0.861, allocations: 37.7 kB / 0.771 GB, free: 15.17 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004284/0.8615, allocations: 0.5751 MB / 0.7716 GB, free: 14.93 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001803/0.8617, allocations: 156.8 kB / 0.7717 GB, free: 14.84 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000297/0.862, allocations: 153.2 kB / 0.7719 GB, free: 14.81 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 9.396e-05/0.8621, allocations: 331.9 kB / 0.7722 GB, free: 14.51 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00122/0.8633, allocations: 388.5 kB / 0.7726 GB, free: 14.49 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00153/0.8648, allocations: 0.6739 MB / 0.7732 GB, free: 14.14 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002358/0.8672, allocations: 0.8912 MB / 0.7741 GB, free: 13.9 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.035e-06/0.8672, allocations: 7.188 kB / 0.7741 GB, free: 13.89 MB / 0.5762 GB Notification: Performance of matching and sorting (n=82) (initialization): time 0.005184/0.8724, allocations: 1.39 MB / 0.7755 GB, free: 13.75 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 3.029e-05/0.8725, allocations: 7.938 kB / 0.7755 GB, free: 13.75 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.697e-05/0.8725, allocations: 6.312 kB / 0.7755 GB, free: 13.75 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001253/0.8738, allocations: 337.8 kB / 0.7758 GB, free: 13.73 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008462/0.8746, allocations: 164.2 kB / 0.7759 GB, free: 13.73 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001695/0.8763, allocations: 0.9417 MB / 0.7769 GB, free: 13.19 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001878/0.8782, allocations: 167.8 kB / 0.777 GB, free: 13.14 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001078/0.8783, allocations: 34.09 kB / 0.7771 GB, free: 13.14 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00166/0.88, allocations: 0.5589 MB / 0.7776 GB, free: 13.05 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001222/0.8812, allocations: 0.6463 MB / 0.7782 GB, free: 12.7 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002163/0.8834, allocations: 0.8524 MB / 0.7791 GB, free: 12.45 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.871e-06/0.8834, allocations: 5.188 kB / 0.7791 GB, free: 12.45 MB / 0.5762 GB Notification: Performance of matching and sorting (n=82) (initialization_lambda0): time 0.004105/0.8875, allocations: 1.253 MB / 0.7803 GB, free: 12.32 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 1.683e-05/0.8876, allocations: 8.094 kB / 0.7803 GB, free: 12.32 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.997e-06/0.8876, allocations: 6.094 kB / 0.7803 GB, free: 12.32 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009877/0.8886, allocations: 306 kB / 0.7806 GB, free: 12.29 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006938/0.8893, allocations: 159.6 kB / 0.7808 GB, free: 12.29 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001279/0.8906, allocations: 0.8909 MB / 0.7816 GB, free: 11.76 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001636/0.8922, allocations: 138.8 kB / 0.7818 GB, free: 11.73 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.815e-05/0.8923, allocations: 40.2 kB / 0.7818 GB, free: 11.73 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 27 * 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 (69): * Single equations (assignments): 68 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,13)} Notification: Performance of prepare postOptimizeDAE: time 0.0003524/0.8927, allocations: 224.5 kB / 0.782 GB, free: 11.54 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000237/0.8929, allocations: 109.4 kB / 0.7821 GB, free: 11.49 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003111/0.896, allocations: 1.02 MB / 0.7831 GB, free: 11.39 MB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.905e-06/0.8961, allocations: 4.812 kB / 0.7831 GB, free: 11.39 MB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.883e-06/0.8961, allocations: 0 / 0.7831 GB, free: 11.39 MB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.963e-06/0.8961, allocations: 2.625 kB / 0.7831 GB, free: 11.39 MB / 0.5762 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005942/0.902, allocations: 2.214 MB / 0.7853 GB, free: 10.98 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.807e-06/0.9021, allocations: 6.406 kB / 0.7853 GB, free: 10.98 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005531/0.9026, allocations: 95.91 kB / 0.7854 GB, free: 10.98 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.00109/0.9037, allocations: 320.9 kB / 0.7857 GB, free: 10.96 MB / 0.5762 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.686e-05/0.9038, allocations: 13.75 kB / 0.7857 GB, free: 10.96 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001513/0.9053, allocations: 0.9418 MB / 0.7866 GB, free: 10.41 MB / 0.5762 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.559e-06/0.9053, allocations: 2.281 kB / 0.7866 GB, free: 10.41 MB / 0.5762 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.00463/0.91, allocations: 1.251 MB / 0.7878 GB, free: 10.13 MB / 0.5762 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008743/0.9109, allocations: 283 kB / 0.7881 GB, free: 9.969 MB / 0.5762 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001826/0.9111, allocations: 8.031 kB / 0.7881 GB, free: 9.969 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001005/0.9121, allocations: 89.97 kB / 0.7882 GB, free: 9.965 MB / 0.5762 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001015/0.9122, allocations: 28.42 kB / 0.7882 GB, free: 9.965 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.735e-05/0.9122, allocations: 21.31 kB / 0.7883 GB, free: 9.965 MB / 0.5762 GB Notification: Performance of sorting global known variables: time 0.001099/0.9134, allocations: 0.72 MB / 0.789 GB, free: 9.852 MB / 0.5762 GB Notification: Performance of sort global known variables: time 2.2e-07/0.9134, allocations: 0 / 0.789 GB, free: 9.852 MB / 0.5762 GB Notification: Performance of remove unused functions: time 0.002159/0.9155, allocations: 0.5608 MB / 0.7895 GB, free: 9.781 MB / 0.5762 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * 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 (29): * Single equations (assignments): 28 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,13)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0008017/0.9163, allocations: 281.4 kB / 0.7898 GB, free: 9.664 MB / 0.5762 GB Notification: Performance of simCode: created initialization part: time 0.004223/0.9206, allocations: 1.361 MB / 0.7911 GB, free: 9.625 MB / 0.5762 GB Notification: Performance of simCode: created event and clocks part: time 7.033e-06/0.9206, allocations: 2.188 kB / 0.7911 GB, free: 9.625 MB / 0.5762 GB Notification: Performance of simCode: created simulation system equations: time 0.001175/0.9218, allocations: 418.1 kB / 0.7915 GB, free: 9.609 MB / 0.5762 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002684/0.9245, allocations: 0.5252 MB / 0.792 GB, free: 9.539 MB / 0.5762 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003784/0.9283, allocations: 1.847 MB / 0.7938 GB, free: 8.777 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004885/0.9288, allocations: 1.059 MB / 0.7949 GB, free: 8.062 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.001148/0.9299, allocations: 247.2 kB / 0.7951 GB, free: 7.98 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002372/0.9302, allocations: 84.62 kB / 0.7952 GB, free: 7.973 MB / 0.5762 GB Notification: Performance of SimCode: time 1.884e-06/0.9302, allocations: 0 / 0.7952 GB, free: 7.973 MB / 0.5762 GB Notification: Performance of Templates: time 0.04191/0.9721, allocations: 25.52 MB / 0.8201 GB, free: 5.578 MB / 0.5919 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.makefile (rm -f Buildings_3.0.0_Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.sim & ./Buildings_3.0.0_Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.Chillers.Validation.Carnot_TEva_reverseFlow.pipe 2>&1)