Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.conf.json 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/IDEAS 3.0.0-master/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) 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 with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/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) Running command: translateModel(IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams") translateModel(IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001157/0.001157, allocations: 182.2 kB / 15.98 MB, free: 5.77 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.707/0.707, allocations: 133.3 MB / 150.1 MB, free: 11.16 MB / 122.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.441/1.441, allocations: 222.9 MB / 404.7 MB, free: 6.133 MB / 314.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001072/0.001073, allocations: 99.58 kB / 485.9 MB, free: 7.277 MB / 394.7 MB Notification: Performance of FrontEnd - loaded program: time 0.001019/0.001019, allocations: 55.86 kB / 0.5636 GB, free: 69.98 MB / 426.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1288/0.1298, allocations: 80.42 MB / 0.6421 GB, free: 5.492 MB / 442.7 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams): time 0.5233/0.6532, allocations: 212 MB / 0.8492 GB, free: 13.11 MB / 0.5886 GB Notification: Performance of NFInst.instExpressions: time 0.01131/0.6646, allocations: 7.129 MB / 0.8562 GB, free: 5.957 MB / 0.5886 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00147/0.6661, allocations: 47.62 kB / 0.8562 GB, free: 5.91 MB / 0.5886 GB Notification: Performance of NFTyping.typeComponents: time 0.00185/0.668, allocations: 0.6567 MB / 0.8568 GB, free: 5.25 MB / 0.5886 GB Notification: Performance of NFTyping.typeBindings: time 0.005796/0.6738, allocations: 2.355 MB / 0.8591 GB, free: 2.887 MB / 0.5886 GB Notification: Performance of NFTyping.typeClassSections: time 0.002771/0.6766, allocations: 1.057 MB / 0.8602 GB, free: 1.844 MB / 0.5886 GB Notification: Performance of NFFlatten.flatten: time 0.004265/0.6809, allocations: 3.749 MB / 0.8638 GB, free: 14.09 MB / 0.6042 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001341/0.6822, allocations: 0.9317 MB / 0.8647 GB, free: 13.13 MB / 0.6042 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003928/0.6862, allocations: 1.806 MB / 0.8665 GB, free: 11.32 MB / 0.6042 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00218/0.6884, allocations: 0.9503 MB / 0.8674 GB, free: 10.37 MB / 0.6042 GB Notification: Performance of NFPackage.collectConstants: time 0.0001817/0.6886, allocations: 60 kB / 0.8675 GB, free: 10.31 MB / 0.6042 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004723/0.6933, allocations: 2.81 MB / 0.8702 GB, free: 7.496 MB / 0.6042 GB Notification: Performance of NFScalarize.scalarize: time 0.0004205/0.6937, allocations: 370.7 kB / 0.8706 GB, free: 7.133 MB / 0.6042 GB Notification: Performance of NFVerifyModel.verify: time 0.0008314/0.6946, allocations: 0.6334 MB / 0.8712 GB, free: 6.496 MB / 0.6042 GB Notification: Performance of NFConvertDAE.convert: time 0.003517/0.6981, allocations: 2.559 MB / 0.8737 GB, free: 3.93 MB / 0.6042 GB Notification: Performance of FrontEnd - DAE generated: time 3.226e-06/0.6981, allocations: 0 / 0.8737 GB, free: 3.93 MB / 0.6042 GB Notification: Performance of FrontEnd: time 7.91e-07/0.6981, allocations: 0 / 0.8737 GB, free: 3.93 MB / 0.6042 GB Notification: Performance of Transformations before backend: time 1.502e-05/0.6981, allocations: 0 / 0.8737 GB, free: 3.93 MB / 0.6042 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 0.004287/0.7024, allocations: 1.851 MB / 0.8755 GB, free: 2.016 MB / 0.6042 GB Notification: Performance of prepare preOptimizeDAE: time 4.485e-05/0.7025, allocations: 8.031 kB / 0.8755 GB, free: 2.008 MB / 0.6042 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002958/0.7055, allocations: 0.5369 MB / 0.876 GB, free: 1.469 MB / 0.6042 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001804/0.7073, allocations: 0.9602 MB / 0.877 GB, free: 476 kB / 0.6042 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006246/0.7079, allocations: 169.9 kB / 0.8771 GB, free: 308 kB / 0.6042 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001412/0.7081, allocations: 87.98 kB / 0.8772 GB, free: 220 kB / 0.6042 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002628/0.7107, allocations: 1.233 MB / 0.8784 GB, free: 14.97 MB / 0.6198 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.766e-05/0.7107, allocations: 0 / 0.8784 GB, free: 14.97 MB / 0.6198 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.436e-05/0.7108, allocations: 39.91 kB / 0.8785 GB, free: 14.93 MB / 0.6198 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.516e-05/0.7109, allocations: 45.98 kB / 0.8785 GB, free: 14.89 MB / 0.6198 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003761/0.7147, allocations: 1.557 MB / 0.88 GB, free: 13.33 MB / 0.6198 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 0.00653/0.7212, allocations: 4.037 MB / 0.884 GB, free: 9.008 MB / 0.6198 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002576/0.7238, allocations: 1.004 MB / 0.885 GB, free: 8 MB / 0.6198 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001522/0.7253, allocations: 0.663 MB / 0.8856 GB, free: 7.336 MB / 0.6198 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001116/0.7265, allocations: 0.6087 MB / 0.8862 GB, free: 6.613 MB / 0.6198 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.894e-05/0.7265, allocations: 43.22 kB / 0.8862 GB, free: 6.562 MB / 0.6198 GB Notification: Performance of pre-optimization done (n=76): time 2.945e-06/0.7265, allocations: 0 / 0.8862 GB, free: 6.562 MB / 0.6198 GB Notification: Performance of matching and sorting (n=76): time 0.004992/0.7315, allocations: 1.812 MB / 0.888 GB, free: 4.746 MB / 0.6198 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.635e-05/0.7316, allocations: 64.06 kB / 0.8881 GB, free: 4.668 MB / 0.6198 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001036/0.7326, allocations: 0.8193 MB / 0.8889 GB, free: 3.824 MB / 0.6198 GB Notification: Performance of collectPreVariables (initialization): time 8.837e-05/0.7327, allocations: 45.7 kB / 0.8889 GB, free: 3.773 MB / 0.6198 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003402/0.7331, allocations: 436.5 kB / 0.8893 GB, free: 3.34 MB / 0.6198 GB Notification: Performance of collectInitialBindings (initialization): time 0.000211/0.7333, allocations: 260.2 kB / 0.8896 GB, free: 3.082 MB / 0.6198 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002941/0.7336, allocations: 158.5 kB / 0.8897 GB, free: 2.922 MB / 0.6198 GB Notification: Performance of setup shared object (initialization): time 0.0001345/0.7337, allocations: 337.9 kB / 0.8901 GB, free: 2.586 MB / 0.6198 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001522/0.7353, allocations: 0.5395 MB / 0.8906 GB, free: 2.043 MB / 0.6198 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001588/0.7369, allocations: 0.6637 MB / 0.8912 GB, free: 1.348 MB / 0.6198 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002931/0.7398, allocations: 1.155 MB / 0.8924 GB, free: 180 kB / 0.6198 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.679e-06/0.7398, allocations: 4 kB / 0.8924 GB, free: 176 kB / 0.6198 GB Notification: Performance of matching and sorting (n=87) (initialization): time 0.003471/0.7433, allocations: 1.357 MB / 0.8937 GB, free: 14.8 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 5.41e-05/0.7434, allocations: 38.62 kB / 0.8937 GB, free: 14.76 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.033e-05/0.7434, allocations: 4 kB / 0.8937 GB, free: 14.75 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.174e-05/0.7434, allocations: 4 kB / 0.8937 GB, free: 14.75 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001577/0.745, allocations: 269.6 kB / 0.894 GB, free: 14.49 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000705/0.7457, allocations: 1.184 MB / 0.8951 GB, free: 13.26 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001326/0.7471, allocations: 179.4 kB / 0.8953 GB, free: 13.08 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.676e-05/0.7472, allocations: 35.97 kB / 0.8954 GB, free: 13.05 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001886/0.7491, allocations: 0.7711 MB / 0.8961 GB, free: 12.27 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001563/0.7506, allocations: 0.6598 MB / 0.8967 GB, free: 11.58 MB / 0.6355 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002897/0.7535, allocations: 1.143 MB / 0.8979 GB, free: 10.41 MB / 0.6355 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.346e-06/0.7536, allocations: 0 / 0.8979 GB, free: 10.41 MB / 0.6355 GB Notification: Performance of matching and sorting (n=87) (initialization_lambda0): time 0.003483/0.757, allocations: 1.353 MB / 0.8992 GB, free: 9.047 MB / 0.6355 GB Notification: Performance of prepare postOptimizeDAE: time 4.535e-05/0.7571, allocations: 41.62 kB / 0.8992 GB, free: 9 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.222e-06/0.7571, allocations: 4 kB / 0.8992 GB, free: 8.996 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.684e-06/0.7571, allocations: 7.938 kB / 0.8992 GB, free: 8.988 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001239/0.7584, allocations: 235.8 kB / 0.8995 GB, free: 8.758 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.574e-06/0.7584, allocations: 4 kB / 0.8995 GB, free: 8.754 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001153/0.7596, allocations: 163.4 kB / 0.8996 GB, free: 8.594 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.25e-05/0.7596, allocations: 39.91 kB / 0.8997 GB, free: 8.555 MB / 0.6355 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * 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 (86): * Single equations (assignments): 83 * 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 0.0002871/0.7599, allocations: 220.1 kB / 0.8999 GB, free: 8.332 MB / 0.6355 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001792/0.7601, allocations: 106.7 kB / 0.9 GB, free: 8.227 MB / 0.6355 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003652/0.7638, allocations: 1.359 MB / 0.9013 GB, free: 6.855 MB / 0.6355 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.947e-06/0.7638, allocations: 12 kB / 0.9013 GB, free: 6.844 MB / 0.6355 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.733e-06/0.7638, allocations: 0 / 0.9013 GB, free: 6.844 MB / 0.6355 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.624e-06/0.7638, allocations: 4.078 kB / 0.9013 GB, free: 6.84 MB / 0.6355 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005598/0.7694, allocations: 2.866 MB / 0.9041 GB, free: 3.875 MB / 0.6355 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.702e-06/0.7695, allocations: 4.469 kB / 0.9041 GB, free: 3.871 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001241/0.7707, allocations: 235.6 kB / 0.9043 GB, free: 3.641 MB / 0.6355 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.708e-06/0.7707, allocations: 8 kB / 0.9043 GB, free: 3.633 MB / 0.6355 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.705e-05/0.7708, allocations: 27.97 kB / 0.9044 GB, free: 3.605 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005374/0.7714, allocations: 1.191 MB / 0.9055 GB, free: 2.367 MB / 0.6355 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.322e-06/0.7714, allocations: 7.938 kB / 0.9055 GB, free: 2.359 MB / 0.6355 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005617/0.777, allocations: 2.908 MB / 0.9084 GB, free: 15.34 MB / 0.6511 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005863/0.7776, allocations: 311.5 kB / 0.9087 GB, free: 15.01 MB / 0.6511 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001233/0.7777, allocations: 19.98 kB / 0.9087 GB, free: 14.99 MB / 0.6511 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001221/0.779, allocations: 143.8 kB / 0.9088 GB, free: 14.85 MB / 0.6511 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001484/0.7791, allocations: 64.36 kB / 0.9089 GB, free: 14.79 MB / 0.6511 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.928e-05/0.7792, allocations: 31.97 kB / 0.9089 GB, free: 14.76 MB / 0.6511 GB Notification: Performance of sorting global known variables: time 0.0007574/0.78, allocations: 0.5739 MB / 0.9095 GB, free: 14.17 MB / 0.6511 GB Notification: Performance of sort global known variables: time 1.843e-06/0.78, allocations: 0 / 0.9095 GB, free: 14.17 MB / 0.6511 GB Notification: Performance of remove unused functions: time 0.001541/0.7815, allocations: 0.5418 MB / 0.91 GB, free: 13.63 MB / 0.6511 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 0.0005921/0.7821, allocations: 276.4 kB / 0.9103 GB, free: 13.37 MB / 0.6511 GB Notification: Performance of simCode: created initialization part: time 0.005501/0.7876, allocations: 2.045 MB / 0.9123 GB, free: 11.3 MB / 0.6511 GB Notification: Performance of simCode: created event and clocks part: time 5.44e-06/0.7877, allocations: 0 / 0.9123 GB, free: 11.3 MB / 0.6511 GB Notification: Performance of simCode: created simulation system equations: time 0.00177/0.7894, allocations: 0.6714 MB / 0.9129 GB, free: 10.63 MB / 0.6511 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002684/0.7921, allocations: 0.5002 MB / 0.9134 GB, free: 10.13 MB / 0.6511 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0049/0.7971, allocations: 2.921 MB / 0.9163 GB, free: 7.129 MB / 0.6511 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006672/0.7977, allocations: 1.114 MB / 0.9174 GB, free: 5.984 MB / 0.6511 GB Notification: Performance of simCode: alias equations: time 0.001653/0.7994, allocations: 399.5 kB / 0.9177 GB, free: 5.59 MB / 0.6511 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003371/0.7998, allocations: 87.39 kB / 0.9178 GB, free: 5.504 MB / 0.6511 GB Notification: Performance of SimCode: time 4.91e-07/0.7998, allocations: 0 / 0.9178 GB, free: 5.504 MB / 0.6511 GB Notification: Performance of Templates: time 0.03393/0.8337, allocations: 20.65 MB / 0.938 GB, free: 1.098 MB / 0.6667 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.makefile (rm -f IDEAS_dev_IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.sim & ./IDEAS_dev_IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe 2>&1)