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/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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) 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) 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 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(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/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001456/0.001455, allocations: 105 kB / 16.36 MB, free: 6.426 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001641/0.001641, allocations: 195.5 kB / 17.3 MB, free: 5.801 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.45/1.45, allocations: 205.1 MB / 223.2 MB, free: 12.23 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.792/1.792, allocations: 292.3 MB / 0.5496 GB, free: 17.55 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001548/0.001548, allocations: 75.89 kB / 0.6729 GB, free: 5.859 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2291/0.2307, allocations: 114.6 MB / 0.7848 GB, free: 3.191 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams): time 0.6228/0.8536, allocations: 214.2 MB / 0.994 GB, free: 3.695 MB / 0.7794 GB Notification: Performance of NFInst.instExpressions: time 0.01085/0.8645, allocations: 6.942 MB / 1.001 GB, free: 12.75 MB / 0.795 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001875/0.8664, allocations: 43.75 kB / 1.001 GB, free: 12.7 MB / 0.795 GB Notification: Performance of NFTyping.typeComponents: time 0.002254/0.8687, allocations: 0.7921 MB / 1.002 GB, free: 11.91 MB / 0.795 GB Notification: Performance of NFTyping.typeBindings: time 0.007311/0.876, allocations: 2.482 MB / 1.004 GB, free: 9.414 MB / 0.795 GB Notification: Performance of NFTyping.typeClassSections: time 0.00319/0.8792, allocations: 1.188 MB / 1.005 GB, free: 8.246 MB / 0.795 GB Notification: Performance of NFFlatten.flatten: time 0.003779/0.883, allocations: 2.782 MB / 1.008 GB, free: 5.457 MB / 0.795 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001673/0.8847, allocations: 1.098 MB / 1.009 GB, free: 4.344 MB / 0.795 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004399/0.8891, allocations: 1.977 MB / 1.011 GB, free: 2.359 MB / 0.795 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00193/0.8911, allocations: 0.9414 MB / 1.012 GB, free: 1.422 MB / 0.795 GB Notification: Performance of NFPackage.collectConstants: time 0.0002181/0.8913, allocations: 116 kB / 1.012 GB, free: 1.309 MB / 0.795 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004554/0.8959, allocations: 2.459 MB / 1.014 GB, free: 14.84 MB / 0.8106 GB Notification: Performance of NFScalarize.scalarize: time 0.0004825/0.8964, allocations: 418.8 kB / 1.015 GB, free: 14.43 MB / 0.8106 GB Notification: Performance of NFVerifyModel.verify: time 0.0008658/0.8972, allocations: 0.692 MB / 1.015 GB, free: 13.74 MB / 0.8106 GB Notification: Performance of NFConvertDAE.convert: time 0.003853/0.9011, allocations: 2.497 MB / 1.018 GB, free: 11.23 MB / 0.8106 GB Notification: Performance of FrontEnd - DAE generated: time 5.03e-06/0.9011, allocations: 0 / 1.018 GB, free: 11.23 MB / 0.8106 GB Notification: Performance of FrontEnd: time 1.563e-06/0.9011, allocations: 0 / 1.018 GB, free: 11.23 MB / 0.8106 GB Notification: Performance of Transformations before backend: time 1.515e-05/0.9011, allocations: 0 / 1.018 GB, free: 11.23 MB / 0.8106 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 0.004556/0.9057, allocations: 1.85 MB / 1.02 GB, free: 9.328 MB / 0.8106 GB Notification: Performance of prepare preOptimizeDAE: time 4.117e-05/0.9058, allocations: 8.031 kB / 1.02 GB, free: 9.32 MB / 0.8106 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003174/0.9089, allocations: 0.5408 MB / 1.02 GB, free: 8.777 MB / 0.8106 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001777/0.9107, allocations: 0.9524 MB / 1.021 GB, free: 7.781 MB / 0.8106 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006359/0.9114, allocations: 181.9 kB / 1.021 GB, free: 7.602 MB / 0.8106 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001635/0.9116, allocations: 84 kB / 1.021 GB, free: 7.52 MB / 0.8106 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002665/0.9142, allocations: 1.237 MB / 1.023 GB, free: 6.277 MB / 0.8106 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.975e-05/0.9143, allocations: 0 / 1.023 GB, free: 6.277 MB / 0.8106 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001001/0.9144, allocations: 32 kB / 1.023 GB, free: 6.246 MB / 0.8106 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.124e-05/0.9144, allocations: 45.98 kB / 1.023 GB, free: 6.203 MB / 0.8106 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00364/0.9181, allocations: 1.55 MB / 1.024 GB, free: 4.648 MB / 0.8106 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 0.006448/0.9246, allocations: 4.054 MB / 1.028 GB, free: 332 kB / 0.8106 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002548/0.9271, allocations: 0.9986 MB / 1.029 GB, free: 15.31 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001491/0.9286, allocations: 0.6669 MB / 1.03 GB, free: 14.64 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001099/0.9297, allocations: 0.6126 MB / 1.03 GB, free: 13.92 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.794e-05/0.9298, allocations: 39.22 kB / 1.03 GB, free: 13.88 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=76): time 2.535e-06/0.9298, allocations: 0 / 1.03 GB, free: 13.88 MB / 0.8262 GB Notification: Performance of matching and sorting (n=76): time 0.004965/0.9347, allocations: 1.816 MB / 1.032 GB, free: 12.05 MB / 0.8262 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.613e-05/0.9348, allocations: 60.06 kB / 1.032 GB, free: 11.98 MB / 0.8262 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001047/0.9359, allocations: 0.8116 MB / 1.033 GB, free: 11.14 MB / 0.8262 GB Notification: Performance of collectPreVariables (initialization): time 0.0001098/0.936, allocations: 45.7 kB / 1.033 GB, free: 11.09 MB / 0.8262 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003389/0.9363, allocations: 448.5 kB / 1.033 GB, free: 10.65 MB / 0.8262 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002068/0.9365, allocations: 256.2 kB / 1.034 GB, free: 10.39 MB / 0.8262 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002759/0.9368, allocations: 154.5 kB / 1.034 GB, free: 10.24 MB / 0.8262 GB Notification: Performance of setup shared object (initialization): time 0.0001166/0.937, allocations: 341.9 kB / 1.034 GB, free: 9.898 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001386/0.9383, allocations: 0.5356 MB / 1.035 GB, free: 9.359 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001536/0.9399, allocations: 0.6637 MB / 1.035 GB, free: 8.66 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002842/0.9427, allocations: 1.15 MB / 1.036 GB, free: 7.492 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.877e-06/0.9428, allocations: 0 / 1.036 GB, free: 7.492 MB / 0.8262 GB Notification: Performance of matching and sorting (n=87) (initialization): time 0.00345/0.9462, allocations: 1.364 MB / 1.038 GB, free: 6.113 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 5.726e-05/0.9463, allocations: 39.73 kB / 1.038 GB, free: 6.07 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.315e-06/0.9463, allocations: 0 / 1.038 GB, free: 6.07 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.955e-05/0.9463, allocations: 4 kB / 1.038 GB, free: 6.066 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001643/0.948, allocations: 269.1 kB / 1.038 GB, free: 5.805 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0008352/0.9488, allocations: 1.193 MB / 1.039 GB, free: 4.566 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001105/0.9499, allocations: 151.3 kB / 1.039 GB, free: 4.418 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.537e-05/0.95, allocations: 39.97 kB / 1.039 GB, free: 4.379 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001735/0.9518, allocations: 0.7634 MB / 1.04 GB, free: 3.609 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00147/0.9533, allocations: 0.6598 MB / 1.041 GB, free: 2.918 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002715/0.956, allocations: 1.147 MB / 1.042 GB, free: 1.746 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.154e-06/0.956, allocations: 0 / 1.042 GB, free: 1.746 MB / 0.8262 GB Notification: Performance of matching and sorting (n=87) (initialization_lambda0): time 0.003206/0.9592, allocations: 1.356 MB / 1.043 GB, free: 384 kB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 4.049e-05/0.9593, allocations: 37.7 kB / 1.043 GB, free: 340 kB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.48e-06/0.9593, allocations: 4 kB / 1.043 GB, free: 336 kB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.848e-06/0.9593, allocations: 7.984 kB / 1.043 GB, free: 328 kB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001219/0.9605, allocations: 235.7 kB / 1.044 GB, free: 92 kB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.456e-06/0.9605, allocations: 5.328 kB / 1.044 GB, free: 88 kB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001023/0.9616, allocations: 132.1 kB / 1.044 GB, free: 15.96 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.76e-05/0.9617, allocations: 39.98 kB / 1.044 GB, free: 15.92 MB / 0.8419 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 0.000276/0.9619, allocations: 221.2 kB / 1.044 GB, free: 15.7 MB / 0.8419 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001821/0.9621, allocations: 102.7 kB / 1.044 GB, free: 15.59 MB / 0.8419 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003404/0.9655, allocations: 1.373 MB / 1.045 GB, free: 14.21 MB / 0.8419 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.756e-06/0.9656, allocations: 8 kB / 1.045 GB, free: 14.21 MB / 0.8419 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.873e-06/0.9656, allocations: 0 / 1.045 GB, free: 14.21 MB / 0.8419 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.285e-06/0.9656, allocations: 7.984 kB / 1.045 GB, free: 14.2 MB / 0.8419 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005471/0.9711, allocations: 2.835 MB / 1.048 GB, free: 11.26 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.13e-05/0.9711, allocations: 9.562 kB / 1.048 GB, free: 11.25 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001323/0.9724, allocations: 239.4 kB / 1.048 GB, free: 11.02 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.102e-05/0.9725, allocations: 4 kB / 1.048 GB, free: 11.02 MB / 0.8419 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.038e-05/0.9725, allocations: 23.98 kB / 1.048 GB, free: 10.99 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007195/0.9733, allocations: 1.199 MB / 1.05 GB, free: 9.746 MB / 0.8419 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.909e-06/0.9733, allocations: 4 kB / 1.05 GB, free: 9.742 MB / 0.8419 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003536/0.9768, allocations: 1.463 MB / 1.051 GB, free: 8.219 MB / 0.8419 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005754/0.9774, allocations: 315.4 kB / 1.051 GB, free: 7.891 MB / 0.8419 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001335/0.9775, allocations: 19.94 kB / 1.051 GB, free: 7.871 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001149/0.9787, allocations: 111.9 kB / 1.051 GB, free: 7.762 MB / 0.8419 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001714/0.9789, allocations: 52.5 kB / 1.052 GB, free: 7.711 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.386e-05/0.979, allocations: 43.28 kB / 1.052 GB, free: 7.672 MB / 0.8419 GB Notification: Performance of sorting global known variables: time 0.0008753/0.9799, allocations: 0.5739 MB / 1.052 GB, free: 7.086 MB / 0.8419 GB Notification: Performance of sort global known variables: time 1.51e-07/0.9799, allocations: 0 / 1.052 GB, free: 7.086 MB / 0.8419 GB Notification: Performance of remove unused functions: time 0.00151/0.9814, allocations: 0.5341 MB / 1.053 GB, free: 6.551 MB / 0.8419 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 0.0006123/0.982, allocations: 271.9 kB / 1.053 GB, free: 6.297 MB / 0.8419 GB Notification: Performance of simCode: created initialization part: time 0.005263/0.9873, allocations: 2.056 MB / 1.055 GB, free: 4.219 MB / 0.8419 GB Notification: Performance of simCode: created event and clocks part: time 6.502e-06/0.9873, allocations: 4 kB / 1.055 GB, free: 4.215 MB / 0.8419 GB Notification: Performance of simCode: created simulation system equations: time 0.001688/0.989, allocations: 0.6676 MB / 1.056 GB, free: 3.551 MB / 0.8419 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002245/0.9912, allocations: 0.4938 MB / 1.056 GB, free: 3.102 MB / 0.8419 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00411/0.9954, allocations: 2.083 MB / 1.058 GB, free: 0.9492 MB / 0.8419 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006354/0.996, allocations: 1.094 MB / 1.059 GB, free: 15.82 MB / 0.8575 GB Notification: Performance of simCode: alias equations: time 0.001282/0.9973, allocations: 389 kB / 1.06 GB, free: 15.44 MB / 0.8575 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003104/0.9976, allocations: 87.41 kB / 1.06 GB, free: 15.36 MB / 0.8575 GB Notification: Performance of SimCode: time 8.12e-07/0.9976, allocations: 4 kB / 1.06 GB, free: 15.35 MB / 0.8575 GB Notification: Performance of Templates: time 0.03201/1.03, allocations: 20.86 MB / 1.08 GB, free: 10.88 MB / 0.8731 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 -s gbode -lv LOG_STATS > Buildings_8_Buildings.Fluid.MassExchangers.Validation.ConstantEffectivenessZeroFlowBothStreams.pipe 2>&1)