Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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(IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams") translateModel(IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001318/0.001318, allocations: 108.3 kB / 16.41 MB, free: 6.445 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001353/0.001353, allocations: 191.9 kB / 17.34 MB, free: 5.738 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.244/1.244, allocations: 222.9 MB / 241 MB, free: 15.17 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.6806/0.6806, allocations: 115.3 MB / 406.5 MB, free: 6.148 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001146/0.001146, allocations: 68.38 kB / 0.5577 GB, free: 32.27 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1262/0.1274, allocations: 76.18 MB / 0.6321 GB, free: 4.414 MB / 478.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams): time 0.4892/0.6166, allocations: 214.2 MB / 0.8412 GB, free: 1.273 MB / 0.5919 GB Notification: Performance of NFInst.instExpressions: time 0.01057/0.6272, allocations: 7.046 MB / 0.8481 GB, free: 11.53 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001548/0.6288, allocations: 43.41 kB / 0.8482 GB, free: 11.51 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.001836/0.6307, allocations: 0.7802 MB / 0.8489 GB, free: 10.86 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.005558/0.6363, allocations: 2.531 MB / 0.8514 GB, free: 8.906 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.002647/0.6389, allocations: 1.166 MB / 0.8525 GB, free: 8.043 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.00307/0.642, allocations: 2.827 MB / 0.8553 GB, free: 6.398 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001294/0.6433, allocations: 1.085 MB / 0.8564 GB, free: 5.715 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003519/0.6468, allocations: 2.016 MB / 0.8583 GB, free: 4.426 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00168/0.6485, allocations: 0.939 MB / 0.8592 GB, free: 3.777 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 0.0001745/0.6487, allocations: 120 kB / 0.8594 GB, free: 3.66 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003874/0.6526, allocations: 2.444 MB / 0.8617 GB, free: 1.211 MB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 0.0003774/0.653, allocations: 430.7 kB / 0.8622 GB, free: 0.7891 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.0006224/0.6536, allocations: 0.6843 MB / 0.8628 GB, free: 104 kB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.002924/0.6565, allocations: 2.485 MB / 0.8653 GB, free: 13.61 MB / 0.6231 GB Notification: Performance of FrontEnd - DAE generated: time 3.566e-06/0.6566, allocations: 4 kB / 0.8653 GB, free: 13.61 MB / 0.6231 GB Notification: Performance of FrontEnd: time 1.303e-06/0.6566, allocations: 0 / 0.8653 GB, free: 13.61 MB / 0.6231 GB Notification: Performance of Transformations before backend: time 1.394e-05/0.6566, allocations: 0 / 0.8653 GB, free: 13.61 MB / 0.6231 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 0.003981/0.6606, allocations: 1.847 MB / 0.8671 GB, free: 11.7 MB / 0.6231 GB Notification: Performance of prepare preOptimizeDAE: time 3.179e-05/0.6606, allocations: 8.031 kB / 0.8671 GB, free: 11.69 MB / 0.6231 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003073/0.6637, allocations: 0.5407 MB / 0.8676 GB, free: 11.14 MB / 0.6231 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001606/0.6653, allocations: 1.007 MB / 0.8686 GB, free: 10.09 MB / 0.6231 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.284e-05/0.6654, allocations: 66 kB / 0.8686 GB, free: 10.03 MB / 0.6231 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001301/0.6655, allocations: 84 kB / 0.8687 GB, free: 9.949 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002549/0.6681, allocations: 1.221 MB / 0.8699 GB, free: 8.723 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.816e-05/0.6681, allocations: 3.984 kB / 0.8699 GB, free: 8.719 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.927e-05/0.6682, allocations: 35.98 kB / 0.87 GB, free: 8.684 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.225e-05/0.6683, allocations: 53.91 kB / 0.87 GB, free: 8.629 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003512/0.6718, allocations: 1.526 MB / 0.8715 GB, free: 7.102 MB / 0.6231 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 0.005527/0.6773, allocations: 4.021 MB / 0.8754 GB, free: 2.801 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002351/0.6797, allocations: 0.9695 MB / 0.8764 GB, free: 1.824 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001441/0.6811, allocations: 0.6629 MB / 0.877 GB, free: 1.16 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001055/0.6822, allocations: 0.6087 MB / 0.8776 GB, free: 452 kB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.232e-05/0.6823, allocations: 43.22 kB / 0.8777 GB, free: 400 kB / 0.6231 GB Notification: Performance of pre-optimization done (n=76): time 2.415e-06/0.6823, allocations: 0 / 0.8777 GB, free: 400 kB / 0.6231 GB Notification: Performance of matching and sorting (n=76): time 0.004698/0.687, allocations: 1.789 MB / 0.8794 GB, free: 14.59 MB / 0.6387 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.814e-05/0.687, allocations: 60.06 kB / 0.8795 GB, free: 14.52 MB / 0.6387 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009285/0.688, allocations: 0.8155 MB / 0.8803 GB, free: 13.68 MB / 0.6387 GB Notification: Performance of collectPreVariables (initialization): time 8.119e-05/0.688, allocations: 41.7 kB / 0.8803 GB, free: 13.63 MB / 0.6387 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003184/0.6884, allocations: 456.4 kB / 0.8807 GB, free: 13.18 MB / 0.6387 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002068/0.6886, allocations: 260.1 kB / 0.881 GB, free: 12.92 MB / 0.6387 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002724/0.6889, allocations: 154.5 kB / 0.8811 GB, free: 12.77 MB / 0.6387 GB Notification: Performance of setup shared object (initialization): time 0.0001074/0.689, allocations: 330 kB / 0.8814 GB, free: 12.44 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001371/0.6904, allocations: 0.5278 MB / 0.882 GB, free: 11.91 MB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00147/0.6918, allocations: 0.6511 MB / 0.8826 GB, free: 11.23 MB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002748/0.6946, allocations: 1.111 MB / 0.8837 GB, free: 10.09 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.359e-06/0.6946, allocations: 0 / 0.8837 GB, free: 10.09 MB / 0.6387 GB Notification: Performance of matching and sorting (n=84) (initialization): time 0.003192/0.6978, allocations: 1.337 MB / 0.885 GB, free: 8.742 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 4.054e-05/0.6979, allocations: 35.58 kB / 0.885 GB, free: 8.703 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.845e-06/0.6979, allocations: 0.75 kB / 0.885 GB, free: 8.703 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.663e-05/0.6979, allocations: 4 kB / 0.885 GB, free: 8.699 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001494/0.6994, allocations: 252.3 kB / 0.8853 GB, free: 8.453 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006655/0.7001, allocations: 1.196 MB / 0.8864 GB, free: 7.211 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009969/0.7011, allocations: 142.4 kB / 0.8866 GB, free: 7.074 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.953e-05/0.7012, allocations: 32.47 kB / 0.8866 GB, free: 7.043 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001652/0.7028, allocations: 0.7594 MB / 0.8873 GB, free: 6.277 MB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001439/0.7043, allocations: 0.6356 MB / 0.888 GB, free: 5.613 MB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002689/0.707, allocations: 1.107 MB / 0.889 GB, free: 4.488 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.034e-06/0.707, allocations: 0 / 0.889 GB, free: 4.488 MB / 0.6387 GB Notification: Performance of matching and sorting (n=84) (initialization_lambda0): time 0.003106/0.7101, allocations: 1.318 MB / 0.8903 GB, free: 3.156 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 4.411e-05/0.7102, allocations: 41.69 kB / 0.8904 GB, free: 3.109 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.437e-06/0.7102, allocations: 0 / 0.8904 GB, free: 3.109 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.871e-06/0.7102, allocations: 7.938 kB / 0.8904 GB, free: 3.102 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001141/0.7113, allocations: 224.6 kB / 0.8906 GB, free: 2.883 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.127e-06/0.7113, allocations: 7.984 kB / 0.8906 GB, free: 2.875 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009551/0.7123, allocations: 127.4 kB / 0.8907 GB, free: 2.75 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.474e-05/0.7124, allocations: 27.98 kB / 0.8907 GB, free: 2.723 MB / 0.6387 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 0.0002417/0.7126, allocations: 224.1 kB / 0.891 GB, free: 2.496 MB / 0.6387 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000174/0.7128, allocations: 110.6 kB / 0.8911 GB, free: 2.387 MB / 0.6387 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003322/0.7161, allocations: 1.355 MB / 0.8924 GB, free: 1.023 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.005e-06/0.7162, allocations: 7.984 kB / 0.8924 GB, free: 1.016 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.881e-06/0.7162, allocations: 4 kB / 0.8924 GB, free: 1.012 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.067e-06/0.7162, allocations: 3.984 kB / 0.8924 GB, free: 1.008 MB / 0.6387 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005178/0.7214, allocations: 2.843 MB / 0.8952 GB, free: 14.06 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.052e-06/0.7214, allocations: 4 kB / 0.8952 GB, free: 14.05 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001174/0.7226, allocations: 232.1 kB / 0.8954 GB, free: 13.83 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.334e-06/0.7226, allocations: 4 kB / 0.8954 GB, free: 13.82 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.318e-05/0.7227, allocations: 31.92 kB / 0.8954 GB, free: 13.79 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005535/0.7232, allocations: 1.184 MB / 0.8966 GB, free: 12.56 MB / 0.6544 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.189e-06/0.7232, allocations: 7.938 kB / 0.8966 GB, free: 12.55 MB / 0.6544 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003153/0.7264, allocations: 1.447 MB / 0.898 GB, free: 11.05 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004235/0.7268, allocations: 307.6 kB / 0.8983 GB, free: 10.73 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001413/0.727, allocations: 20 kB / 0.8983 GB, free: 10.71 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00109/0.7281, allocations: 115.8 kB / 0.8984 GB, free: 10.59 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001273/0.7282, allocations: 60.36 kB / 0.8985 GB, free: 10.54 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.161e-05/0.7283, allocations: 31.98 kB / 0.8985 GB, free: 10.5 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.0006828/0.729, allocations: 0.5739 MB / 0.8991 GB, free: 9.918 MB / 0.6544 GB Notification: Performance of sort global known variables: time 1.81e-07/0.729, allocations: 4 kB / 0.8991 GB, free: 9.914 MB / 0.6544 GB Notification: Performance of remove unused functions: time 0.001214/0.7302, allocations: 0.5341 MB / 0.8996 GB, free: 9.379 MB / 0.6544 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 0.0005457/0.7308, allocations: 277.5 kB / 0.8999 GB, free: 9.117 MB / 0.6544 GB Notification: Performance of simCode: created initialization part: time 0.00507/0.7358, allocations: 2.006 MB / 0.9018 GB, free: 7.082 MB / 0.6544 GB Notification: Performance of simCode: created event and clocks part: time 5.541e-06/0.7359, allocations: 0 / 0.9018 GB, free: 7.082 MB / 0.6544 GB Notification: Performance of simCode: created simulation system equations: time 0.001676/0.7375, allocations: 0.6636 MB / 0.9025 GB, free: 6.418 MB / 0.6544 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002203/0.7398, allocations: 0.4946 MB / 0.903 GB, free: 5.926 MB / 0.6544 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00386/0.7436, allocations: 2.053 MB / 0.905 GB, free: 3.797 MB / 0.6544 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006558/0.7443, allocations: 1.094 MB / 0.906 GB, free: 2.672 MB / 0.6544 GB Notification: Performance of simCode: alias equations: time 0.001275/0.7456, allocations: 387.5 kB / 0.9064 GB, free: 2.289 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000311/0.7459, allocations: 91.41 kB / 0.9065 GB, free: 2.199 MB / 0.6544 GB Notification: Performance of SimCode: time 5.41e-07/0.7459, allocations: 7.875 kB / 0.9065 GB, free: 2.191 MB / 0.6544 GB Notification: Performance of Templates: time 0.03116/0.7771, allocations: 21.11 MB / 0.9271 GB, free: 13.36 MB / 0.6856 GB make -j1 -f IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.makefile (rm -f IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.sim & ./IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe 2>&1)