Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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(BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow") translateModel(BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001604/0.001604, allocations: 100.2 kB / 16.4 MB, free: 6.5 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001658/0.001658, allocations: 189.5 kB / 17.34 MB, free: 5.77 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.341/1.341, allocations: 222.9 MB / 241 MB, free: 15.22 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002179/0.002179, allocations: 295.2 kB / 291.5 MB, free: 14.5 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9145/0.9145, allocations: 169.3 MB / 0.499 GB, free: 4.484 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001968/0.001968, allocations: 99.83 kB / 0.6821 GB, free: 7.004 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4602/0.4622, allocations: 86.98 MB / 0.7671 GB, free: 3.957 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow): time 0.6617/1.124, allocations: 214.2 MB / 0.9762 GB, free: 1.809 MB / 0.7169 GB Notification: Performance of NFInst.instExpressions: time 0.01046/1.134, allocations: 7.041 MB / 0.9831 GB, free: 1.719 MB / 0.7169 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002032/1.136, allocations: 42.12 kB / 0.9831 GB, free: 1.719 MB / 0.7169 GB Notification: Performance of NFTyping.typeComponents: time 0.002032/1.139, allocations: 0.7866 MB / 0.9839 GB, free: 1.707 MB / 0.7169 GB Notification: Performance of NFTyping.typeBindings: time 0.006316/1.145, allocations: 2.521 MB / 0.9864 GB, free: 1.602 MB / 0.7169 GB Notification: Performance of NFTyping.typeClassSections: time 0.003028/1.148, allocations: 1.183 MB / 0.9875 GB, free: 1.555 MB / 0.7169 GB Notification: Performance of NFFlatten.flatten: time 0.003926/1.152, allocations: 2.834 MB / 0.9903 GB, free: 1.547 MB / 0.7169 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001697/1.154, allocations: 1.086 MB / 0.9913 GB, free: 1.438 MB / 0.7169 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004318/1.158, allocations: 2.009 MB / 0.9933 GB, free: 1.41 MB / 0.7169 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002365/1.16, allocations: 0.9393 MB / 0.9942 GB, free: 1.41 MB / 0.7169 GB Notification: Performance of NFPackage.collectConstants: time 0.0002796/1.161, allocations: 117 kB / 0.9943 GB, free: 1.41 MB / 0.7169 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004631/1.165, allocations: 2.447 MB / 0.9967 GB, free: 1.387 MB / 0.7169 GB Notification: Performance of NFScalarize.scalarize: time 0.000571/1.166, allocations: 430.2 kB / 0.9971 GB, free: 1.383 MB / 0.7169 GB Notification: Performance of NFVerifyModel.verify: time 0.001073/1.167, allocations: 0.6898 MB / 0.9978 GB, free: 1.383 MB / 0.7169 GB Notification: Performance of NFConvertDAE.convert: time 0.004284/1.171, allocations: 2.501 MB / 1 GB, free: 1.145 MB / 0.7169 GB Notification: Performance of FrontEnd - DAE generated: time 5.22e-06/1.171, allocations: 0.875 kB / 1 GB, free: 1.145 MB / 0.7169 GB Notification: Performance of FrontEnd: time 1.643e-06/1.171, allocations: 3.188 kB / 1 GB, free: 1.145 MB / 0.7169 GB Notification: Performance of Transformations before backend: time 2.556e-05/1.171, allocations: 3.406 kB / 1 GB, free: 1.145 MB / 0.7169 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 209 * Number of variables: 209 Notification: Performance of Generate backend data structure: time 0.004602/1.176, allocations: 1.843 MB / 1.002 GB, free: 16.21 MB / 0.7325 GB Notification: Performance of prepare preOptimizeDAE: time 3.864e-05/1.176, allocations: 8.719 kB / 1.002 GB, free: 16.21 MB / 0.7325 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003045/1.179, allocations: 0.5427 MB / 1.003 GB, free: 16.14 MB / 0.7325 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001856/1.181, allocations: 1.003 MB / 1.004 GB, free: 15.8 MB / 0.7325 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.719e-05/1.181, allocations: 68.16 kB / 1.004 GB, free: 15.8 MB / 0.7325 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001311/1.181, allocations: 83.55 kB / 1.004 GB, free: 15.8 MB / 0.7325 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002369/1.184, allocations: 1.225 MB / 1.005 GB, free: 15.74 MB / 0.7325 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.81e-05/1.184, allocations: 2.844 kB / 1.005 GB, free: 15.74 MB / 0.7325 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.669e-05/1.184, allocations: 39.7 kB / 1.005 GB, free: 15.73 MB / 0.7325 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.679e-05/1.184, allocations: 41.77 kB / 1.005 GB, free: 15.73 MB / 0.7325 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003108/1.187, allocations: 1.527 MB / 1.006 GB, free: 15.73 MB / 0.7325 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 0.0061/1.193, allocations: 4.044 MB / 1.01 GB, free: 14.14 MB / 0.7325 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002149/1.195, allocations: 0.9642 MB / 1.011 GB, free: 14.11 MB / 0.7325 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001398/1.197, allocations: 0.6544 MB / 1.012 GB, free: 14.11 MB / 0.7325 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00106/1.198, allocations: 0.6086 MB / 1.013 GB, free: 13.54 MB / 0.7325 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.213e-05/1.198, allocations: 47.94 kB / 1.013 GB, free: 13.5 MB / 0.7325 GB Notification: Performance of pre-optimization done (n=76): time 2.816e-06/1.198, allocations: 0 / 1.013 GB, free: 13.5 MB / 0.7325 GB Notification: Performance of matching and sorting (n=76): time 0.004365/1.202, allocations: 1.783 MB / 1.014 GB, free: 13.4 MB / 0.7325 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.092e-05/1.202, allocations: 62.88 kB / 1.014 GB, free: 13.34 MB / 0.7325 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001012/1.203, allocations: 0.8191 MB / 1.015 GB, free: 13.19 MB / 0.7325 GB Notification: Performance of collectPreVariables (initialization): time 0.0001235/1.203, allocations: 43.64 kB / 1.015 GB, free: 13.16 MB / 0.7325 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002988/1.204, allocations: 444.4 kB / 1.016 GB, free: 12.98 MB / 0.7325 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002209/1.204, allocations: 261.7 kB / 1.016 GB, free: 12.82 MB / 0.7325 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002644/1.204, allocations: 149.8 kB / 1.016 GB, free: 12.8 MB / 0.7325 GB Notification: Performance of setup shared object (initialization): time 0.0001153/1.204, allocations: 333 kB / 1.016 GB, free: 12.49 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00122/1.205, allocations: 0.5288 MB / 1.017 GB, free: 12.48 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001332/1.207, allocations: 0.6421 MB / 1.018 GB, free: 12.38 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002464/1.209, allocations: 1.118 MB / 1.019 GB, free: 12.29 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.448e-06/1.209, allocations: 0 / 1.019 GB, free: 12.29 MB / 0.7325 GB Notification: Performance of matching and sorting (n=84) (initialization): time 0.003152/1.212, allocations: 1.328 MB / 1.02 GB, free: 12.14 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 6.053e-05/1.212, allocations: 41.45 kB / 1.02 GB, free: 12.1 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.008e-05/1.213, allocations: 7.344 kB / 1.02 GB, free: 12.1 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.202e-05/1.213, allocations: 3.688 kB / 1.02 GB, free: 12.1 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001482/1.214, allocations: 255.6 kB / 1.02 GB, free: 12.09 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0007403/1.215, allocations: 1.189 MB / 1.021 GB, free: 10.91 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00125/1.216, allocations: 139.7 kB / 1.022 GB, free: 10.88 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001033/1.216, allocations: 36.33 kB / 1.022 GB, free: 10.88 MB / 0.7325 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001668/1.218, allocations: 0.7505 MB / 1.022 GB, free: 10.78 MB / 0.7325 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001362/1.219, allocations: 0.6383 MB / 1.023 GB, free: 10.68 MB / 0.7325 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002502/1.222, allocations: 1.11 MB / 1.024 GB, free: 10.59 MB / 0.7325 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.599e-06/1.222, allocations: 0 / 1.024 GB, free: 10.59 MB / 0.7325 GB Notification: Performance of matching and sorting (n=84) (initialization_lambda0): time 0.003107/1.225, allocations: 1.313 MB / 1.025 GB, free: 10.45 MB / 0.7325 GB Notification: Performance of prepare postOptimizeDAE: time 4.637e-05/1.225, allocations: 34.98 kB / 1.025 GB, free: 10.41 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.601e-06/1.225, allocations: 1.188 kB / 1.025 GB, free: 10.41 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.195e-05/1.225, allocations: 3.688 kB / 1.025 GB, free: 10.41 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001223/1.226, allocations: 228.5 kB / 1.026 GB, free: 10.41 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.972e-05/1.226, allocations: 8.75 kB / 1.026 GB, free: 10.4 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001219/1.227, allocations: 126.2 kB / 1.026 GB, free: 10.38 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001035/1.228, allocations: 39.27 kB / 1.026 GB, free: 10.37 MB / 0.7325 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 2 (hex.i2_w,hex.i1_w) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (83): * Single equations (assignments): 80 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0003318/1.228, allocations: 230.1 kB / 1.026 GB, free: 10.18 MB / 0.7325 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003595/1.228, allocations: 102.3 kB / 1.026 GB, free: 10.13 MB / 0.7325 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003369/1.232, allocations: 1.337 MB / 1.027 GB, free: 10.04 MB / 0.7325 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.156e-05/1.232, allocations: 13.86 kB / 1.027 GB, free: 10.03 MB / 0.7325 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.875e-06/1.232, allocations: 2.375 kB / 1.027 GB, free: 10.03 MB / 0.7325 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.728e-06/1.232, allocations: 5.109 kB / 1.027 GB, free: 10.03 MB / 0.7325 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005437/1.237, allocations: 2.853 MB / 1.03 GB, free: 9.531 MB / 0.7325 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.488e-06/1.237, allocations: 2.656 kB / 1.03 GB, free: 9.531 MB / 0.7325 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001216/1.238, allocations: 227.2 kB / 1.03 GB, free: 9.523 MB / 0.7325 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.497e-05/1.238, allocations: 8.938 kB / 1.03 GB, free: 9.52 MB / 0.7325 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.608e-05/1.239, allocations: 26.34 kB / 1.03 GB, free: 9.52 MB / 0.7325 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006626/1.239, allocations: 1.186 MB / 1.032 GB, free: 8.352 MB / 0.7325 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.1e-06/1.239, allocations: 5.688 kB / 1.032 GB, free: 8.352 MB / 0.7325 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003175/1.242, allocations: 1.459 MB / 1.033 GB, free: 7.992 MB / 0.7325 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0007467/1.243, allocations: 309.1 kB / 1.033 GB, free: 7.84 MB / 0.7325 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002809/1.243, allocations: 14.98 kB / 1.033 GB, free: 7.84 MB / 0.7325 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001302/1.245, allocations: 106.3 kB / 1.033 GB, free: 7.832 MB / 0.7325 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001579/1.245, allocations: 65.14 kB / 1.033 GB, free: 7.824 MB / 0.7325 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.699e-05/1.245, allocations: 36.62 kB / 1.034 GB, free: 7.824 MB / 0.7325 GB Notification: Performance of sorting global known variables: time 0.000926/1.246, allocations: 0.5705 MB / 1.034 GB, free: 7.715 MB / 0.7325 GB Notification: Performance of sort global known variables: time 1.31e-07/1.246, allocations: 0 / 1.034 GB, free: 7.715 MB / 0.7325 GB Notification: Performance of remove unused functions: time 0.00185/1.248, allocations: 0.5341 MB / 1.035 GB, free: 7.652 MB / 0.7325 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 16 * 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 (76): * Single equations (assignments): 74 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0007762/1.249, allocations: 283.3 kB / 1.035 GB, free: 7.52 MB / 0.7325 GB Notification: Performance of simCode: created initialization part: time 0.005301/1.254, allocations: 2.004 MB / 1.037 GB, free: 6.906 MB / 0.7325 GB Notification: Performance of simCode: created event and clocks part: time 9.197e-06/1.254, allocations: 0 / 1.037 GB, free: 6.906 MB / 0.7325 GB Notification: Performance of simCode: created simulation system equations: time 0.00167/1.256, allocations: 0.6595 MB / 1.037 GB, free: 6.73 MB / 0.7325 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002741/1.258, allocations: 0.503 MB / 1.038 GB, free: 6.473 MB / 0.7325 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004895/1.263, allocations: 2.123 MB / 1.04 GB, free: 5.168 MB / 0.7325 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008484/1.264, allocations: 1.093 MB / 1.041 GB, free: 4.289 MB / 0.7325 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005995/1.265, allocations: 101.6 kB / 1.041 GB, free: 4.223 MB / 0.7325 GB Notification: Performance of SimCode: time 1.753e-06/1.265, allocations: 0 / 1.041 GB, free: 4.223 MB / 0.7325 GB Notification: Performance of Templates: time 0.03516/1.3, allocations: 26.99 MB / 1.068 GB, free: 9.387 MB / 0.7637 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.sim & ./BuildingSystems_BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlow.pipe 2>&1)