Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal.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: translateModel(Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal") translateModel(Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001591/0.00159, allocations: 106.8 kB / 16.29 MB, free: 6.023 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001554/0.001554, allocations: 181.6 kB / 17.22 MB, free: 5.633 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.564/1.564, allocations: 205.1 MB / 223.1 MB, free: 12.3 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.855/1.855, allocations: 292.3 MB / 0.5495 GB, free: 17.56 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 0.001472/0.001472, allocations: 67.91 kB / 0.6722 GB, free: 6.488 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.289/0.2905, allocations: 114.6 MB / 0.7841 GB, free: 3.816 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal): time 0.6083/0.8989, allocations: 44.64 MB / 0.8277 GB, free: 20.89 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.02029/0.9193, allocations: 13.01 MB / 0.8404 GB, free: 11.61 MB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003181/0.9225, allocations: 38.41 kB / 0.8404 GB, free: 11.59 MB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.002564/0.9251, allocations: 0.5982 MB / 0.841 GB, free: 11.21 MB / 0.6544 GB Notification: Performance of NFTyping.typeBindings: time 0.007658/0.9328, allocations: 1.959 MB / 0.8429 GB, free: 10.05 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.005228/0.9381, allocations: 1.328 MB / 0.8442 GB, free: 9.328 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.006446/0.9445, allocations: 3.218 MB / 0.8473 GB, free: 7.758 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002497/0.9471, allocations: 1.041 MB / 0.8484 GB, free: 7.305 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004751/0.9518, allocations: 1.365 MB / 0.8497 GB, free: 6.621 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002428/0.9543, allocations: 0.9247 MB / 0.8506 GB, free: 6.188 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.0003364/0.9546, allocations: 126.6 kB / 0.8507 GB, free: 6.188 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005452/0.9601, allocations: 1.566 MB / 0.8523 GB, free: 5.621 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.0003739/0.9605, allocations: 291.5 kB / 0.8525 GB, free: 5.43 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.001175/0.9617, allocations: 0.6774 MB / 0.8532 GB, free: 5.008 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.005916/0.9676, allocations: 2.428 MB / 0.8556 GB, free: 4.121 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 6.191e-06/0.9676, allocations: 5.281 kB / 0.8556 GB, free: 4.117 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.764e-06/0.9676, allocations: 0 / 0.8556 GB, free: 4.117 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 2.67e-05/0.9677, allocations: 0 / 0.8556 GB, free: 4.117 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: 168 * Number of variables: 168 Notification: Performance of Generate backend data structure: time 0.004003/0.9717, allocations: 1.647 MB / 0.8572 GB, free: 3.008 MB / 0.6544 GB Notification: Performance of prepare preOptimizeDAE: time 5.155e-05/0.9717, allocations: 10.03 kB / 0.8572 GB, free: 3.008 MB / 0.6544 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0004574/0.9722, allocations: 131.5 kB / 0.8573 GB, free: 2.945 MB / 0.6544 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002571/0.9748, allocations: 1.174 MB / 0.8585 GB, free: 2.238 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.194e-05/0.9748, allocations: 58.16 kB / 0.8585 GB, free: 2.207 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001056/0.9749, allocations: 62.81 kB / 0.8586 GB, free: 2.188 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00141/0.9763, allocations: 0.7527 MB / 0.8593 GB, free: 1.82 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.89e-05/0.9764, allocations: 5.125 kB / 0.8593 GB, free: 1.816 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.385e-05/0.9765, allocations: 34.53 kB / 0.8593 GB, free: 1.789 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.762e-05/0.9765, allocations: 17.81 kB / 0.8594 GB, free: 1.789 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001042/0.9776, allocations: 0.5279 MB / 0.8599 GB, free: 1.59 MB / 0.6544 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 0.00553/0.9831, allocations: 4.531 MB / 0.8643 GB, free: 13.77 MB / 0.67 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008413/0.984, allocations: 353.4 kB / 0.8646 GB, free: 13.59 MB / 0.67 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000382/0.9844, allocations: 216.2 kB / 0.8648 GB, free: 13.48 MB / 0.67 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001626/0.986, allocations: 1.512 MB / 0.8663 GB, free: 11.72 MB / 0.67 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.832e-05/0.986, allocations: 37.03 kB / 0.8664 GB, free: 11.68 MB / 0.67 GB Notification: Performance of pre-optimization done (n=43): time 3.506e-06/0.9861, allocations: 1.344 kB / 0.8664 GB, free: 11.68 MB / 0.67 GB Notification: Performance of matching and sorting (n=43): time 0.002594/0.9887, allocations: 0.8824 MB / 0.8672 GB, free: 11.17 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.537e-05/0.9887, allocations: 60.52 kB / 0.8673 GB, free: 11.11 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001434/0.9902, allocations: 0.8884 MB / 0.8681 GB, free: 10.59 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 6.49e-05/0.9902, allocations: 36.45 kB / 0.8682 GB, free: 10.55 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004335/0.9907, allocations: 493.3 kB / 0.8687 GB, free: 10.12 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001774/0.9909, allocations: 149.8 kB / 0.8688 GB, free: 9.996 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001928/0.9911, allocations: 117.1 kB / 0.8689 GB, free: 9.922 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 0.0001562/0.9912, allocations: 331.8 kB / 0.8692 GB, free: 9.598 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003609/0.9916, allocations: 176.6 kB / 0.8694 GB, free: 9.508 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004726/0.9921, allocations: 333.9 kB / 0.8697 GB, free: 9.227 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008405/0.9929, allocations: 0.5159 MB / 0.8702 GB, free: 8.859 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.069e-06/0.9929, allocations: 3.938 kB / 0.8702 GB, free: 8.859 MB / 0.67 GB Notification: Performance of matching and sorting (n=64) (initialization): time 0.001762/0.9947, allocations: 0.718 MB / 0.8709 GB, free: 8.484 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 2.524e-05/0.9947, allocations: 7.906 kB / 0.8709 GB, free: 8.484 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.867e-05/0.9948, allocations: 10.14 kB / 0.8709 GB, free: 8.48 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006258/0.9954, allocations: 122.4 kB / 0.8711 GB, free: 8.426 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004064/0.9958, allocations: 111.2 kB / 0.8712 GB, free: 8.398 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006669/0.9965, allocations: 0.6282 MB / 0.8718 GB, free: 7.805 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008236/0.9973, allocations: 62.42 kB / 0.8718 GB, free: 7.762 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.792e-05/0.9974, allocations: 30.38 kB / 0.8719 GB, free: 7.754 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0007568/0.9982, allocations: 388.4 kB / 0.8722 GB, free: 7.508 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0005238/0.9987, allocations: 332.4 kB / 0.8725 GB, free: 7.23 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0008635/0.9996, allocations: 0.5093 MB / 0.873 GB, free: 6.863 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.605e-06/0.9996, allocations: 5.125 kB / 0.8731 GB, free: 6.859 MB / 0.67 GB Notification: Performance of matching and sorting (n=64) (initialization_lambda0): time 0.001619/1.001, allocations: 0.7127 MB / 0.8737 GB, free: 6.488 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 1.3e-05/1.001, allocations: 5.969 kB / 0.8738 GB, free: 6.488 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.738e-05/1.001, allocations: 10.09 kB / 0.8738 GB, free: 6.484 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004783/1.002, allocations: 118.3 kB / 0.8739 GB, free: 6.434 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00039/1.002, allocations: 112 kB / 0.874 GB, free: 6.406 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005728/1.003, allocations: 0.6237 MB / 0.8746 GB, free: 5.816 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0007653/1.004, allocations: 47.39 kB / 0.8746 GB, free: 5.785 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.882e-05/1.004, allocations: 29.58 kB / 0.8747 GB, free: 5.777 MB / 0.67 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 18 * 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 (59): * Single equations (assignments): 56 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * 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 {(1,3)} Notification: Performance of prepare postOptimizeDAE: time 0.0003153/1.004, allocations: 213.7 kB / 0.8749 GB, free: 5.566 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002381/1.004, allocations: 92.34 kB / 0.875 GB, free: 5.52 MB / 0.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002308/1.007, allocations: 1.016 MB / 0.8759 GB, free: 4.98 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.212e-05/1.007, allocations: 6.344 kB / 0.876 GB, free: 4.98 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.442e-06/1.007, allocations: 3.938 kB / 0.876 GB, free: 4.977 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001485/1.008, allocations: 0.9249 MB / 0.8769 GB, free: 4.316 MB / 0.67 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003652/1.012, allocations: 1.947 MB / 0.8788 GB, free: 2.957 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.588e-05/1.012, allocations: 3.688 kB / 0.8788 GB, free: 2.957 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003728/1.012, allocations: 88.66 kB / 0.8788 GB, free: 2.934 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003332/1.012, allocations: 84.14 kB / 0.8789 GB, free: 2.895 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.667e-05/1.013, allocations: 19.14 kB / 0.8789 GB, free: 2.883 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005047/1.013, allocations: 0.6205 MB / 0.8796 GB, free: 2.297 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.835e-06/1.013, allocations: 1.938 kB / 0.8796 GB, free: 2.297 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002315/1.015, allocations: 1.256 MB / 0.8808 GB, free: 1.566 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005592/1.016, allocations: 276.9 kB / 0.881 GB, free: 1.32 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002626/1.016, allocations: 16.28 kB / 0.8811 GB, free: 1.309 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006754/1.017, allocations: 20.8 kB / 0.8811 GB, free: 1.297 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001296/1.017, allocations: 51.22 kB / 0.8811 GB, free: 1.27 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.307e-05/1.017, allocations: 29.98 kB / 0.8812 GB, free: 1.258 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.001289/1.018, allocations: 0.6234 MB / 0.8818 GB, free: 0.8906 MB / 0.67 GB Notification: Performance of sort global known variables: time 2.1e-07/1.018, allocations: 0 / 0.8818 GB, free: 0.8906 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.002764/1.021, allocations: 0.6208 MB / 0.8824 GB, free: 0.7305 MB / 0.67 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 3 (pip.cor.del.x,pip.cor.timDel.x,pip.vol.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 (55): * Single equations (assignments): 40 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 14 * 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 {(1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001875/1.023, allocations: 0.5352 MB / 0.8829 GB, free: 452 kB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.00214/1.025, allocations: 0.937 MB / 0.8838 GB, free: 15.93 MB / 0.6856 GB Notification: Performance of simCode: created event and clocks part: time 4.468e-06/1.025, allocations: 0 / 0.8838 GB, free: 15.93 MB / 0.6856 GB Notification: Performance of simCode: created simulation system equations: time 0.0007383/1.026, allocations: 406.8 kB / 0.8842 GB, free: 15.71 MB / 0.6856 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002482/1.029, allocations: 0.493 MB / 0.8847 GB, free: 15.48 MB / 0.6856 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003996/1.033, allocations: 1.872 MB / 0.8865 GB, free: 14.33 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001009/1.034, allocations: 1.048 MB / 0.8875 GB, free: 13.47 MB / 0.6856 GB Notification: Performance of simCode: alias equations: time 0.001186/1.035, allocations: 273.3 kB / 0.8878 GB, free: 13.36 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002793/1.035, allocations: 96.48 kB / 0.8879 GB, free: 13.33 MB / 0.6856 GB Notification: Performance of SimCode: time 1.202e-06/1.035, allocations: 0 / 0.8879 GB, free: 13.33 MB / 0.6856 GB Notification: Performance of Templates: time 0.04685/1.082, allocations: 24.84 MB / 0.9121 GB, free: 6.758 MB / 0.7012 GB make -j1 -f Buildings_8_Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal.makefile (rm -f Buildings_8_Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal.pipe ; mkfifo Buildings_8_Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal.pipe >> ../files/Buildings_8_Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal.sim & ./Buildings_8_Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal -abortSlowSimulation -alarm=480 -s cvode -lv LOG_STATS > Buildings_8_Buildings.Fluid.FixedResistances.Validation.PlugFlowPipes.FlowReversal.pipe 2>&1)