Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package Buildings with version 8.1.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo)
Running command: translateModel(Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow")
translateModel(Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo): time 1.82/1.82, allocations: 297.4 MB / 312.6 MB, free: 2.934 MB / 234.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001185/0.001185, allocations: 182 kB / 382.3 MB, free: 14.84 MB / 314.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.476/1.476, allocations: 225.7 MB / 0.6617 GB, free: 7.168 MB / 490.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008854/0.0008855, allocations: 95.02 kB / 0.7789 GB, free: 46.79 MB / 0.5417 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004976/0.0004975, allocations: 8 kB / 0.9058 GB, free: 4.961 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.8122/0.8128, allocations: 119.2 MB / 1.022 GB, free: 57.68 MB / 0.698 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow): time 0.3441/1.157, allocations: 306.2 MB / 1.321 GB, free: 10.19 MB / 0.9011 GB
Notification: Performance of NFInst.instExpressions: time 0.7613/1.918, allocations: 35.85 MB / 1.356 GB, free: 51.89 MB / 0.9011 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.004406/1.923, allocations: 67 kB / 1.356 GB, free: 51.89 MB / 0.9011 GB
Notification: Performance of NFTyping.typeComponents: time 0.005029/1.928, allocations: 1.203 MB / 1.358 GB, free: 51.87 MB / 0.9011 GB
Notification: Performance of NFTyping.typeBindings: time 0.01028/1.938, allocations: 2.688 MB / 1.36 GB, free: 51.75 MB / 0.9011 GB
Notification: Performance of NFTyping.typeClassSections: time 0.008545/1.947, allocations: 2.35 MB / 1.362 GB, free: 51.68 MB / 0.9011 GB
Notification: Performance of NFFlatten.flatten: time 0.009842/1.957, allocations: 5.598 MB / 1.368 GB, free: 51.66 MB / 0.9011 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002905/1.959, allocations: 1.411 MB / 1.369 GB, free: 51.43 MB / 0.9011 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.006062/1.966, allocations: 1.914 MB / 1.371 GB, free: 51.41 MB / 0.9011 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003969/1.97, allocations: 1.199 MB / 1.372 GB, free: 51.4 MB / 0.9011 GB
Notification: Performance of NFPackage.collectConstants: time 0.0003764/1.97, allocations: 61.53 kB / 1.372 GB, free: 51.4 MB / 0.9011 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.008319/1.978, allocations: 3.208 MB / 1.376 GB, free: 51.36 MB / 0.9011 GB
Notification: Performance of NFScalarize.scalarize: time 0.0009439/1.979, allocations: 474.3 kB / 1.376 GB, free: 51.36 MB / 0.9011 GB
Notification: Performance of NFVerifyModel.verify: time 0.001979/1.981, allocations: 0.9131 MB / 1.377 GB, free: 51.33 MB / 0.9011 GB
Notification: Performance of NFConvertDAE.convert: time 0.008451/1.99, allocations: 4.225 MB / 1.381 GB, free: 51.13 MB / 0.9011 GB
Notification: Performance of FrontEnd - DAE generated: time 6.923e-06/1.99, allocations: 0 / 1.381 GB, free: 51.13 MB / 0.9011 GB
Notification: Performance of FrontEnd: time 2.154e-06/1.99, allocations: 1.938 kB / 1.381 GB, free: 51.13 MB / 0.9011 GB
Notification: Performance of Transformations before backend: time 6.126e-05/1.99, allocations: 0 / 1.381 GB, free: 51.13 MB / 0.9011 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 273
 * Number of variables: 273
Notification: Performance of Generate backend data structure: time 0.004581/1.994, allocations: 1.935 MB / 1.383 GB, free: 50.01 MB / 0.9011 GB
Notification: Performance of prepare preOptimizeDAE: time 6.745e-05/1.994, allocations: 11.95 kB / 1.383 GB, free: 50.01 MB / 0.9011 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003664/1.998, allocations: 0.6203 MB / 1.384 GB, free: 49.89 MB / 0.9011 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.003616/2.002, allocations: 1.911 MB / 1.385 GB, free: 49.43 MB / 0.9011 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006888/2.003, allocations: 221.4 kB / 1.386 GB, free: 49.41 MB / 0.9011 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001946/2.003, allocations: 108.1 kB / 1.386 GB, free: 49.41 MB / 0.9011 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0031/2.006, allocations: 1.403 MB / 1.387 GB, free: 49.1 MB / 0.9011 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.8e-05/2.006, allocations: 4.875 kB / 1.387 GB, free: 49.1 MB / 0.9011 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001156/2.006, allocations: 46.41 kB / 1.387 GB, free: 49.1 MB / 0.9011 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.195e-05/2.006, allocations: 42.16 kB / 1.387 GB, free: 49.1 MB / 0.9011 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002557/2.009, allocations: 1.055 MB / 1.388 GB, free: 49.07 MB / 0.9011 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 0.009099/2.018, allocations: 6.891 MB / 1.395 GB, free: 45.3 MB / 0.9011 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001444/2.019, allocations: 373.6 kB / 1.395 GB, free: 45.26 MB / 0.9011 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003513/2.02, allocations: 135.2 kB / 1.395 GB, free: 45.25 MB / 0.9011 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.000277/2.02, allocations: 187.8 kB / 1.396 GB, free: 45.06 MB / 0.9011 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.422e-05/2.02, allocations: 36.55 kB / 1.396 GB, free: 45.02 MB / 0.9011 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.0006446/2.021, allocations: 77.67 kB / 1.396 GB, free: 44.97 MB / 0.9011 GB
Notification: Performance of pre-optimization done (n=20): time 2.695e-06/2.021, allocations: 0 / 1.396 GB, free: 44.97 MB / 0.9011 GB
Notification: Performance of matching and sorting (n=20): time 0.001444/2.022, allocations: 0.5339 MB / 1.396 GB, free: 44.85 MB / 0.9011 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.335e-05/2.022, allocations: 56.81 kB / 1.396 GB, free: 44.78 MB / 0.9011 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002875/2.025, allocations: 1.71 MB / 1.398 GB, free: 44.6 MB / 0.9011 GB
Notification: Performance of collectPreVariables (initialization): time 5.547e-05/2.025, allocations: 41.62 kB / 1.398 GB, free: 44.57 MB / 0.9011 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007354/2.026, allocations: 0.8277 MB / 1.399 GB, free: 44.29 MB / 0.9011 GB
Notification: Performance of collectInitialBindings (initialization): time 6.955e-05/2.026, allocations: 79.89 kB / 1.399 GB, free: 44.24 MB / 0.9011 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 3.369e-05/2.026, allocations: 14.19 kB / 1.399 GB, free: 44.24 MB / 0.9011 GB
Notification: Performance of setup shared object (initialization): time 0.0001071/2.026, allocations: 334.7 kB / 1.399 GB, free: 43.93 MB / 0.9011 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007874/2.027, allocations: 288.7 kB / 1.399 GB, free: 43.93 MB / 0.9011 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001124/2.028, allocations: 0.6767 MB / 1.4 GB, free: 43.41 MB / 0.9011 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001602/2.03, allocations: 0.8595 MB / 1.401 GB, free: 42.95 MB / 0.9011 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.209e-05/2.03, allocations: 3.531 kB / 1.401 GB, free: 42.95 MB / 0.9011 GB
Notification: Performance of matching and sorting (n=85) (initialization): time 0.002762/2.032, allocations: 1.047 MB / 1.402 GB, free: 42.81 MB / 0.9011 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0003543/2.033, allocations: 447.9 kB / 1.402 GB, free: 42.28 MB / 0.9011 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.043e-05/2.033, allocations: 11.78 kB / 1.402 GB, free: 42.28 MB / 0.9011 GB
Notification: Performance of postOpt tearingSystem (initialization): time 4.778e-05/2.033, allocations: 21.41 kB / 1.402 GB, free: 42.27 MB / 0.9011 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009291/2.034, allocations: 201.7 kB / 1.403 GB, free: 42.27 MB / 0.9011 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.608e-05/2.034, allocations: 27.06 kB / 1.403 GB, free: 42.27 MB / 0.9011 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001765/2.036, allocations: 176.8 kB / 1.403 GB, free: 42.25 MB / 0.9011 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001022/2.036, allocations: 46.06 kB / 1.403 GB, free: 42.25 MB / 0.9011 GB
Notification: Performance of prepare postOptimizeDAE: time 1.114e-05/2.036, allocations: 11.56 kB / 1.403 GB, free: 42.25 MB / 0.9011 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.00207/2.038, allocations: 0.8061 MB / 1.404 GB, free: 42.21 MB / 0.9011 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.495e-05/2.038, allocations: 12.58 kB / 1.404 GB, free: 42.21 MB / 0.9011 GB
Notification: Performance of postOpt tearingSystem (initialization): time 4.504e-05/2.038, allocations: 15.91 kB / 1.404 GB, free: 42.21 MB / 0.9011 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008272/2.039, allocations: 187.3 kB / 1.404 GB, free: 42.21 MB / 0.9011 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.708e-05/2.039, allocations: 24.47 kB / 1.404 GB, free: 42.21 MB / 0.9011 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001488/2.04, allocations: 136.1 kB / 1.404 GB, free: 42.19 MB / 0.9011 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001438/2.04, allocations: 41.12 kB / 1.404 GB, free: 42.19 MB / 0.9011 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 54
 * 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 (84):
 * Single equations (assignments): 83
 * Array equations: 1
 * 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 0.001484/2.042, allocations: 0.5096 MB / 1.405 GB, free: 42 MB / 0.9011 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004407/2.042, allocations: 161 kB / 1.405 GB, free: 41.91 MB / 0.9011 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00166/2.044, allocations: 434.1 kB / 1.405 GB, free: 41.84 MB / 0.9011 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.104e-05/2.044, allocations: 2.953 kB / 1.405 GB, free: 41.84 MB / 0.9011 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 8.716e-06/2.044, allocations: 0 / 1.405 GB, free: 41.84 MB / 0.9011 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.225e-06/2.044, allocations: 4.391 kB / 1.405 GB, free: 41.84 MB / 0.9011 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 0.0055/2.05, allocations: 1.52 MB / 1.407 GB, free: 41.45 MB / 0.9011 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.975e-06/2.05, allocations: 2.156 kB / 1.407 GB, free: 41.45 MB / 0.9011 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003703/2.05, allocations: 57.36 kB / 1.407 GB, free: 41.45 MB / 0.9011 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.453e-05/2.05, allocations: 6.844 kB / 1.407 GB, free: 41.45 MB / 0.9011 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.875e-05/2.05, allocations: 10.45 kB / 1.407 GB, free: 41.45 MB / 0.9011 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.498e-05/2.05, allocations: 7.281 kB / 1.407 GB, free: 41.44 MB / 0.9011 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.799e-06/2.05, allocations: 4.562 kB / 1.407 GB, free: 41.44 MB / 0.9011 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001442/2.052, allocations: 0.5615 MB / 1.407 GB, free: 41.16 MB / 0.9011 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0008577/2.052, allocations: 286 kB / 1.408 GB, free: 40.98 MB / 0.9011 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004446/2.053, allocations: 7.562 kB / 1.408 GB, free: 40.98 MB / 0.9011 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001221/2.054, allocations: 90.41 kB / 1.408 GB, free: 40.96 MB / 0.9011 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 6.081e-05/2.054, allocations: 15.19 kB / 1.408 GB, free: 40.96 MB / 0.9011 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.8e-05/2.054, allocations: 17.72 kB / 1.408 GB, free: 40.96 MB / 0.9011 GB
Notification: Performance of sorting global known variables: time 0.003562/2.058, allocations: 1.194 MB / 1.409 GB, free: 40.85 MB / 0.9011 GB
Notification: Performance of sort global known variables: time 4.01e-07/2.058, allocations: 0 / 1.409 GB, free: 40.85 MB / 0.9011 GB
Notification: Performance of remove unused functions: time 0.00408/2.062, allocations: 0.6652 MB / 1.409 GB, free: 40.77 MB / 0.9011 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 9
 * 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 (20):
 * Single equations (assignments): 20
 * 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 0.001154/2.063, allocations: 317.5 kB / 1.41 GB, free: 40.63 MB / 0.9011 GB
Notification: Performance of simCode: created initialization part: time 0.003361/2.066, allocations: 0.95 MB / 1.411 GB, free: 40.61 MB / 0.9011 GB
Notification: Performance of simCode: created event and clocks part: time 1.078e-05/2.066, allocations: 1.062 kB / 1.411 GB, free: 40.61 MB / 0.9011 GB
Notification: Performance of simCode: created simulation system equations: time 0.0004211/2.067, allocations: 131.9 kB / 1.411 GB, free: 40.6 MB / 0.9011 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005895/2.073, allocations: 0.8035 MB / 1.412 GB, free: 40.51 MB / 0.9011 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006951/2.08, allocations: 2.878 MB / 1.414 GB, free: 39.02 MB / 0.9011 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001825/2.082, allocations: 1.284 MB / 1.416 GB, free: 38.29 MB / 0.9011 GB
Notification: Performance of simCode: alias equations: time 0.0026/2.084, allocations: 352.4 kB / 1.416 GB, free: 38.18 MB / 0.9011 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005032/2.085, allocations: 111.1 kB / 1.416 GB, free: 38.18 MB / 0.9011 GB
Notification: Performance of SimCode: time 1.523e-06/2.085, allocations: 0 / 1.416 GB, free: 38.18 MB / 0.9011 GB
Notification: Performance of Templates: time 0.05579/2.141, allocations: 28.42 MB / 1.444 GB, free: 26.41 MB / 0.9011 GB
make -j1 -f Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.makefile
(rm -f Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe ; mkfifo Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe >> ../files/Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.sim & ./Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.FMI.Validation.HeaterFan_noReverseFlow.pipe 2>&1)