Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+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/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/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 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
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)
Running command: translateModel(Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams")
translateModel(Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.735/1.735, allocations: 292.3 MB / 308.1 MB, free: 4.305 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.00145/0.00145, allocations: 203 kB / 376.9 MB, free: 1.82 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.516/1.516, allocations: 205 MB / 0.6353 GB, free: 9.805 MB / 474.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0009967/0.0009966, allocations: 99.08 kB / 0.748 GB, free: 61.24 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.001223/0.001223, allocations: 55.92 kB / 0.8704 GB, free: 13.14 MB / 0.6042 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3043/0.3055, allocations: 114.5 MB / 0.9822 GB, free: 10.44 MB / 0.7136 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams): time 0.886/1.192, allocations: 212.1 MB / 1.189 GB, free: 12.36 MB / 0.7917 GB
Notification: Performance of NFInst.instExpressions: time 0.01278/1.204, allocations: 7.056 MB / 1.196 GB, free: 7.395 MB / 0.7917 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002452/1.207, allocations: 37.72 kB / 1.196 GB, free: 7.379 MB / 0.7917 GB
Notification: Performance of NFTyping.typeComponents: time 0.002628/1.21, allocations: 0.6556 MB / 1.197 GB, free: 7.004 MB / 0.7917 GB
Notification: Performance of NFTyping.typeBindings: time 0.008687/1.218, allocations: 2.34 MB / 1.199 GB, free: 5.738 MB / 0.7917 GB
Notification: Performance of NFTyping.typeClassSections: time 0.004024/1.222, allocations: 1.054 MB / 1.2 GB, free: 5.172 MB / 0.7917 GB
Notification: Performance of NFFlatten.flatten: time 0.007444/1.23, allocations: 3.73 MB / 1.204 GB, free: 3.797 MB / 0.7917 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002671/1.233, allocations: 0.928 MB / 1.205 GB, free: 3.406 MB / 0.7917 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.006225/1.239, allocations: 1.804 MB / 1.207 GB, free: 2.605 MB / 0.7917 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003457/1.242, allocations: 0.9414 MB / 1.207 GB, free: 2.23 MB / 0.7917 GB
Notification: Performance of NFPackage.collectConstants: time 0.0005844/1.243, allocations: 64.5 kB / 1.207 GB, free: 2.227 MB / 0.7917 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.007109/1.25, allocations: 2.811 MB / 1.21 GB, free: 1.234 MB / 0.7917 GB
Notification: Performance of NFScalarize.scalarize: time 0.0009269/1.251, allocations: 371.6 kB / 1.211 GB, free: 1.086 MB / 0.7917 GB
Notification: Performance of NFVerifyModel.verify: time 0.002562/1.254, allocations: 0.6275 MB / 1.211 GB, free: 0.7266 MB / 0.7917 GB
Notification: Performance of NFConvertDAE.convert: time 0.007975/1.262, allocations: 2.557 MB / 1.214 GB, free: 15.8 MB / 0.8073 GB
Notification: Performance of FrontEnd - DAE generated: time 1.12e-05/1.262, allocations: 0 / 1.214 GB, free: 15.8 MB / 0.8073 GB
Notification: Performance of FrontEnd: time 1.734e-06/1.262, allocations: 1.031 kB / 1.214 GB, free: 15.8 MB / 0.8073 GB
Notification: Performance of Transformations before backend: time 0.0001326/1.262, allocations: 0 / 1.214 GB, free: 15.8 MB / 0.8073 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 0.009454/1.271, allocations: 1.847 MB / 1.215 GB, free: 14.66 MB / 0.8073 GB
Notification: Performance of prepare preOptimizeDAE: time 7.581e-05/1.271, allocations: 8.25 kB / 1.216 GB, free: 14.66 MB / 0.8073 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003619/1.275, allocations: 0.5408 MB / 1.216 GB, free: 14.55 MB / 0.8073 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002911/1.278, allocations: 0.9597 MB / 1.217 GB, free: 13.94 MB / 0.8073 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000705/1.279, allocations: 179.3 kB / 1.217 GB, free: 13.9 MB / 0.8073 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003511/1.279, allocations: 89.67 kB / 1.217 GB, free: 13.87 MB / 0.8073 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.003789/1.283, allocations: 1.237 MB / 1.218 GB, free: 13.44 MB / 0.8073 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.814e-05/1.283, allocations: 0 / 1.218 GB, free: 13.44 MB / 0.8073 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000162/1.283, allocations: 31.59 kB / 1.218 GB, free: 13.42 MB / 0.8073 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001123/1.283, allocations: 50.86 kB / 1.219 GB, free: 13.41 MB / 0.8073 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00504/1.288, allocations: 1.545 MB / 1.22 GB, free: 12.93 MB / 0.8073 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 0.009789/1.298, allocations: 4.048 MB / 1.224 GB, free: 10.34 MB / 0.8073 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.003449/1.301, allocations: 1 MB / 1.225 GB, free: 10.02 MB / 0.8073 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.002003/1.303, allocations: 0.6723 MB / 1.226 GB, free: 9.793 MB / 0.8073 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001282/1.305, allocations: 0.604 MB / 1.226 GB, free: 9.219 MB / 0.8073 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.998e-05/1.305, allocations: 47.66 kB / 1.226 GB, free: 9.168 MB / 0.8073 GB
Notification: Performance of pre-optimization done (n=76): time 3.346e-06/1.305, allocations: 0 / 1.226 GB, free: 9.168 MB / 0.8073 GB
Notification: Performance of matching and sorting (n=76): time 0.006288/1.311, allocations: 1.806 MB / 1.228 GB, free: 8.598 MB / 0.8073 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.191e-05/1.311, allocations: 59.94 kB / 1.228 GB, free: 8.535 MB / 0.8073 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002095/1.313, allocations: 0.8313 MB / 1.229 GB, free: 8.168 MB / 0.8073 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001698/1.313, allocations: 40.23 kB / 1.229 GB, free: 8.129 MB / 0.8073 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005754/1.314, allocations: 437.1 kB / 1.229 GB, free: 7.789 MB / 0.8073 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0003519/1.314, allocations: 265.8 kB / 1.23 GB, free: 7.578 MB / 0.8073 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004866/1.315, allocations: 157.1 kB / 1.23 GB, free: 7.508 MB / 0.8073 GB
Notification: Performance of setup shared object (initialization): time 0.0001868/1.315, allocations: 341.3 kB / 1.23 GB, free: 7.184 MB / 0.8073 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001837/1.317, allocations: 0.5361 MB / 1.231 GB, free: 7.02 MB / 0.8073 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.002083/1.319, allocations: 0.6696 MB / 1.231 GB, free: 6.746 MB / 0.8073 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.003694/1.323, allocations: 1.146 MB / 1.232 GB, free: 6.309 MB / 0.8073 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.845e-06/1.323, allocations: 1.188 kB / 1.232 GB, free: 6.309 MB / 0.8073 GB
Notification: Performance of matching and sorting (n=87) (initialization): time 0.004555/1.327, allocations: 1.358 MB / 1.234 GB, free: 5.832 MB / 0.8073 GB
Notification: Performance of prepare postOptimizeDAE: time 6.964e-05/1.327, allocations: 41.33 kB / 1.234 GB, free: 5.797 MB / 0.8073 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.203e-05/1.327, allocations: 5.406 kB / 1.234 GB, free: 5.793 MB / 0.8073 GB
Notification: Performance of postOpt tearingSystem (initialization): time 3.725e-05/1.328, allocations: 4.625 kB / 1.234 GB, free: 5.793 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001886/1.329, allocations: 256.6 kB / 1.234 GB, free: 5.777 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001121/1.331, allocations: 1.196 MB / 1.235 GB, free: 4.578 MB / 0.8073 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002109/1.333, allocations: 183.5 kB / 1.235 GB, free: 4.516 MB / 0.8073 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001803/1.333, allocations: 32.89 kB / 1.235 GB, free: 4.512 MB / 0.8073 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002448/1.335, allocations: 0.7679 MB / 1.236 GB, free: 4.191 MB / 0.8073 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002015/1.337, allocations: 0.655 MB / 1.237 GB, free: 3.93 MB / 0.8073 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003667/1.341, allocations: 1.142 MB / 1.238 GB, free: 3.496 MB / 0.8073 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.576e-06/1.341, allocations: 1.781 kB / 1.238 GB, free: 3.496 MB / 0.8073 GB
Notification: Performance of matching and sorting (n=87) (initialization_lambda0): time 0.004416/1.345, allocations: 1.358 MB / 1.239 GB, free: 3.016 MB / 0.8073 GB
Notification: Performance of prepare postOptimizeDAE: time 7.38e-05/1.346, allocations: 34.89 kB / 1.239 GB, free: 2.984 MB / 0.8073 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.307e-06/1.346, allocations: 1.281 kB / 1.239 GB, free: 2.984 MB / 0.8073 GB
Notification: Performance of postOpt tearingSystem (initialization): time 3.289e-05/1.346, allocations: 5.391 kB / 1.239 GB, free: 2.984 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001418/1.347, allocations: 241 kB / 1.239 GB, free: 2.957 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.987e-05/1.347, allocations: 5.188 kB / 1.239 GB, free: 2.957 MB / 0.8073 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001992/1.349, allocations: 166.1 kB / 1.24 GB, free: 2.91 MB / 0.8073 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000145/1.349, allocations: 41.16 kB / 1.24 GB, free: 2.898 MB / 0.8073 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 0.0004972/1.35, allocations: 220.5 kB / 1.24 GB, free: 2.688 MB / 0.8073 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004957/1.35, allocations: 105.6 kB / 1.24 GB, free: 2.633 MB / 0.8073 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004344/1.355, allocations: 1.356 MB / 1.241 GB, free: 2.164 MB / 0.8073 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.366e-05/1.355, allocations: 9.188 kB / 1.241 GB, free: 2.164 MB / 0.8073 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.047e-05/1.355, allocations: 4 kB / 1.241 GB, free: 2.16 MB / 0.8073 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.476e-05/1.355, allocations: 3.469 kB / 1.241 GB, free: 2.16 MB / 0.8073 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007958/1.363, allocations: 2.85 MB / 1.244 GB, free: 0.8711 MB / 0.8073 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.791e-05/1.363, allocations: 12.23 kB / 1.244 GB, free: 0.8633 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001309/1.364, allocations: 237.4 kB / 1.244 GB, free: 0.8398 MB / 0.8073 GB
Notification: Performance of postOpt tearingSystem (simulation): time 2.316e-05/1.364, allocations: 7.594 kB / 1.244 GB, free: 0.8398 MB / 0.8073 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001028/1.364, allocations: 20.42 kB / 1.244 GB, free: 0.832 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007245/1.365, allocations: 1.189 MB / 1.246 GB, free: 15.64 MB / 0.823 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 8.856e-06/1.365, allocations: 9.781 kB / 1.246 GB, free: 15.64 MB / 0.823 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006092/1.371, allocations: 2.919 MB / 1.248 GB, free: 14.02 MB / 0.823 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0009867/1.372, allocations: 310.2 kB / 1.249 GB, free: 13.8 MB / 0.823 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003074/1.372, allocations: 20.61 kB / 1.249 GB, free: 13.79 MB / 0.823 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001546/1.374, allocations: 145 kB / 1.249 GB, free: 13.77 MB / 0.823 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000185/1.374, allocations: 58.19 kB / 1.249 GB, free: 13.75 MB / 0.823 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001037/1.374, allocations: 34.56 kB / 1.249 GB, free: 13.75 MB / 0.823 GB
Notification: Performance of sorting global known variables: time 0.0009697/1.375, allocations: 0.574 MB / 1.249 GB, free: 13.49 MB / 0.823 GB
Notification: Performance of sort global known variables: time 2.01e-07/1.375, allocations: 0 / 1.249 GB, free: 13.49 MB / 0.823 GB
Notification: Performance of remove unused functions: time 0.00254/1.378, allocations: 0.5487 MB / 1.25 GB, free: 13.38 MB / 0.823 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 0.000801/1.379, allocations: 258.8 kB / 1.25 GB, free: 13.24 MB / 0.823 GB
Notification: Performance of simCode: created initialization part: time 0.006239/1.385, allocations: 2.044 MB / 1.252 GB, free: 12.55 MB / 0.823 GB
Notification: Performance of simCode: created event and clocks part: time 5.04e-06/1.385, allocations: 0 / 1.252 GB, free: 12.55 MB / 0.823 GB
Notification: Performance of simCode: created simulation system equations: time 0.00186/1.387, allocations: 0.675 MB / 1.253 GB, free: 12.36 MB / 0.823 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003463/1.39, allocations: 0.5121 MB / 1.253 GB, free: 12.21 MB / 0.823 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007557/1.398, allocations: 2.92 MB / 1.256 GB, free: 9.543 MB / 0.823 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001848/1.4, allocations: 1.114 MB / 1.257 GB, free: 8.547 MB / 0.823 GB
Notification: Performance of simCode: alias equations: time 0.002707/1.402, allocations: 392.3 kB / 1.258 GB, free: 8.258 MB / 0.823 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005257/1.403, allocations: 88.94 kB / 1.258 GB, free: 8.18 MB / 0.823 GB
Notification: Performance of SimCode: time 1.373e-06/1.403, allocations: 4 kB / 1.258 GB, free: 8.176 MB / 0.823 GB
Notification: Performance of Templates: time 0.04104/1.444, allocations: 20.64 MB / 1.278 GB, free: 4.098 MB / 0.8386 GB
make -j1 -f Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.makefile
(rm -f Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe ; mkfifo Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe >> ../files/Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.sim & ./Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe 2>&1)