Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.PlugFlowPipe.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.FixedResistances.Examples.PlugFlowPipe,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.PlugFlowPipe") translateModel(BuildingSystems.Fluid.FixedResistances.Examples.PlugFlowPipe,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.PlugFlowPipe") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001121/0.001121, allocations: 108 kB / 15.61 MB, free: 148 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001177/0.001177, allocations: 195.1 kB / 16.53 MB, free: 6.691 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.32/1.32, allocations: 222.9 MB / 240.2 MB, free: 4.395 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002114/0.002114, allocations: 286.1 kB / 290.7 MB, free: 1.992 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.9198/0.9198, allocations: 169.3 MB / 0.4982 GB, free: 13.86 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001724/0.001724, allocations: 98.75 kB / 0.5952 GB, free: 27.86 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1536/0.1553, allocations: 86.99 MB / 0.6802 GB, free: 0.7031 MB / 478.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.FixedResistances.Examples.PlugFlowPipe): time 0.3985/0.5538, allocations: 115.1 MB / 0.7926 GB, free: 14.68 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.02892/0.5828, allocations: 26.56 MB / 0.8185 GB, free: 14.11 MB / 0.5606 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004424/0.5872, allocations: 119.8 kB / 0.8187 GB, free: 14.1 MB / 0.5606 GB Notification: Performance of NFTyping.typeComponents: time 0.00311/0.5904, allocations: 1.153 MB / 0.8198 GB, free: 14.05 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.009547/0.5999, allocations: 3.418 MB / 0.8231 GB, free: 13.16 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.006449/0.6064, allocations: 2.327 MB / 0.8254 GB, free: 12.1 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.008736/0.6152, allocations: 6.195 MB / 0.8314 GB, free: 9.305 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002715/0.6179, allocations: 1.926 MB / 0.8333 GB, free: 8.449 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0055/0.6234, allocations: 2.644 MB / 0.8359 GB, free: 7.332 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003116/0.6266, allocations: 1.774 MB / 0.8376 GB, free: 6.648 MB / 0.5606 GB Notification: Performance of NFPackage.collectConstants: time 0.0004349/0.627, allocations: 219.2 kB / 0.8379 GB, free: 6.648 MB / 0.5606 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00482/0.6318, allocations: 2.341 MB / 0.8401 GB, free: 5.789 MB / 0.5606 GB Notification: Performance of NFScalarize.scalarize: time 0.0004135/0.6323, allocations: 0.5302 MB / 0.8407 GB, free: 5.359 MB / 0.5606 GB Notification: Performance of NFVerifyModel.verify: time 0.001385/0.6337, allocations: 1.285 MB / 0.8419 GB, free: 4.523 MB / 0.5606 GB Notification: Performance of NFConvertDAE.convert: time 0.004921/0.6386, allocations: 4.077 MB / 0.8459 GB, free: 2.039 MB / 0.5606 GB Notification: Performance of FrontEnd - DAE generated: time 4.238e-06/0.6386, allocations: 0 / 0.8459 GB, free: 2.039 MB / 0.5606 GB Notification: Performance of FrontEnd: time 1.342e-06/0.6386, allocations: 0 / 0.8459 GB, free: 2.039 MB / 0.5606 GB Notification: Performance of Transformations before backend: time 2.567e-05/0.6386, allocations: 0 / 0.8459 GB, free: 2.039 MB / 0.5606 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 343 * Number of variables: 343 Notification: Performance of Generate backend data structure: time 0.004407/0.6431, allocations: 2.836 MB / 0.8487 GB, free: 15.99 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.001e-05/0.6431, allocations: 10.09 kB / 0.8487 GB, free: 15.99 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0006256/0.6437, allocations: 263.7 kB / 0.8489 GB, free: 15.86 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003663/0.6474, allocations: 2.068 MB / 0.8509 GB, free: 14.37 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.719e-05/0.6475, allocations: 100.4 kB / 0.851 GB, free: 14.32 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001772/0.6477, allocations: 135.1 kB / 0.8512 GB, free: 14.28 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002322/0.65, allocations: 1.456 MB / 0.8526 GB, free: 13.34 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.386e-05/0.6501, allocations: 6.656 kB / 0.8526 GB, free: 13.33 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001268/0.6502, allocations: 57.5 kB / 0.8526 GB, free: 13.29 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.963e-05/0.6502, allocations: 40.88 kB / 0.8527 GB, free: 13.28 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001797/0.652, allocations: 1.022 MB / 0.8537 GB, free: 12.77 MB / 0.5762 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 0.008234/0.6603, allocations: 8.182 MB / 0.8617 GB, free: 5.34 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001436/0.6617, allocations: 0.8281 MB / 0.8625 GB, free: 4.871 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005864/0.6623, allocations: 382.2 kB / 0.8628 GB, free: 4.684 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.002189/0.6645, allocations: 2.802 MB / 0.8656 GB, free: 1.395 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.387e-05/0.6646, allocations: 45.72 kB / 0.8656 GB, free: 1.344 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=85): time 4.208e-06/0.6646, allocations: 6.922 kB / 0.8656 GB, free: 1.34 MB / 0.5762 GB Notification: Performance of matching and sorting (n=85): time 0.002233/0.6668, allocations: 1.126 MB / 0.8667 GB, free: 0.8086 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.731e-05/0.6669, allocations: 57.31 kB / 0.8668 GB, free: 0.7461 MB / 0.5762 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00194/0.6688, allocations: 1.617 MB / 0.8684 GB, free: 15.84 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 6.969e-05/0.6689, allocations: 43.61 kB / 0.8684 GB, free: 15.8 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006794/0.6696, allocations: 0.9366 MB / 0.8693 GB, free: 14.97 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002476/0.6698, allocations: 300.9 kB / 0.8696 GB, free: 14.72 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002934/0.6701, allocations: 235 kB / 0.8698 GB, free: 14.58 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.000138/0.6703, allocations: 355.1 kB / 0.8702 GB, free: 14.23 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005868/0.6709, allocations: 326.5 kB / 0.8705 GB, free: 14.07 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008839/0.6718, allocations: 0.7078 MB / 0.8712 GB, free: 13.41 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001596/0.6734, allocations: 1.085 MB / 0.8722 GB, free: 12.56 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.13e-05/0.6734, allocations: 6.969 kB / 0.8722 GB, free: 12.55 MB / 0.5919 GB Notification: Performance of matching and sorting (n=144) (initialization): time 0.002526/0.6759, allocations: 1.253 MB / 0.8735 GB, free: 11.38 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 2.16e-05/0.676, allocations: 8 kB / 0.8735 GB, free: 11.37 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.469e-05/0.676, allocations: 16 kB / 0.8735 GB, free: 11.35 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.626e-05/0.676, allocations: 20.66 kB / 0.8735 GB, free: 11.33 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000811/0.6769, allocations: 271.5 kB / 0.8738 GB, free: 11.07 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.157e-05/0.6769, allocations: 19.94 kB / 0.8738 GB, free: 11.05 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001126/0.678, allocations: 138.6 kB / 0.8739 GB, free: 10.91 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001126/0.6781, allocations: 63.97 kB / 0.874 GB, free: 10.85 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001162/0.6793, allocations: 0.6281 MB / 0.8746 GB, free: 10.21 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008537/0.6802, allocations: 0.6955 MB / 0.8753 GB, free: 9.355 MB / 0.5919 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001591/0.6818, allocations: 1.085 MB / 0.8763 GB, free: 8.117 MB / 0.5919 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.802e-06/0.6818, allocations: 4 kB / 0.8763 GB, free: 8.113 MB / 0.5919 GB Notification: Performance of matching and sorting (n=144) (initialization_lambda0): time 0.002318/0.6841, allocations: 1.242 MB / 0.8775 GB, free: 6.883 MB / 0.5919 GB Notification: Performance of prepare postOptimizeDAE: time 1.495e-05/0.6841, allocations: 12.14 kB / 0.8776 GB, free: 6.871 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.65e-05/0.6842, allocations: 20 kB / 0.8776 GB, free: 6.852 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.635e-05/0.6842, allocations: 20 kB / 0.8776 GB, free: 6.832 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007719/0.685, allocations: 259.5 kB / 0.8778 GB, free: 6.578 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.843e-05/0.685, allocations: 27.91 kB / 0.8779 GB, free: 6.551 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001029/0.6861, allocations: 99.2 kB / 0.878 GB, free: 6.453 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001008/0.6862, allocations: 63.98 kB / 0.878 GB, free: 6.391 MB / 0.5919 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 52 * 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 initialization (140): * Single equations (assignments): 136 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0003602/0.6865, allocations: 256.5 kB / 0.8783 GB, free: 6.133 MB / 0.5919 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003473/0.6869, allocations: 189.7 kB / 0.8785 GB, free: 5.945 MB / 0.5919 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003067/0.69, allocations: 1.748 MB / 0.8802 GB, free: 4.195 MB / 0.5919 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.856e-05/0.69, allocations: 19.98 kB / 0.8802 GB, free: 4.176 MB / 0.5919 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.741e-06/0.69, allocations: 0 / 0.8802 GB, free: 4.176 MB / 0.5919 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001757/0.6918, allocations: 1.15 MB / 0.8813 GB, free: 2.996 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005025/0.6968, allocations: 3.486 MB / 0.8847 GB, free: 15.38 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.235e-05/0.6968, allocations: 8 kB / 0.8847 GB, free: 15.37 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007005/0.6975, allocations: 203.7 kB / 0.8849 GB, free: 15.17 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.135e-05/0.6976, allocations: 8 kB / 0.8849 GB, free: 15.16 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.76e-05/0.6976, allocations: 39.98 kB / 0.885 GB, free: 15.12 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.308e-05/0.6977, allocations: 16.33 kB / 0.885 GB, free: 15.11 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.923e-06/0.6977, allocations: 19.88 kB / 0.885 GB, free: 15.09 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003252/0.7009, allocations: 2.226 MB / 0.8872 GB, free: 12.78 MB / 0.6075 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006878/0.7016, allocations: 438.1 kB / 0.8876 GB, free: 12.33 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002564/0.7019, allocations: 31.94 kB / 0.8876 GB, free: 12.3 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008141/0.7027, allocations: 43.97 kB / 0.8877 GB, free: 12.26 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001824/0.7029, allocations: 124.7 kB / 0.8878 GB, free: 12.14 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001119/0.703, allocations: 59.97 kB / 0.8878 GB, free: 12.08 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 0.001535/0.7046, allocations: 1.087 MB / 0.8889 GB, free: 10.97 MB / 0.6075 GB Notification: Performance of sort global known variables: time 1.4e-07/0.7046, allocations: 4 kB / 0.8889 GB, free: 10.96 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.002897/0.7075, allocations: 1.127 MB / 0.89 GB, free: 9.836 MB / 0.6075 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 27 * Number of states: 6 (pip.del.x,pip.timDel.x,pip.vol_b.dynBal.U,pip.vol_a.dynBal.U,pipNoMix.del.x,pipNoMix.timDel.x) * 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 (129): * Single equations (assignments): 102 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 27 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001497/0.709, allocations: 0.8038 MB / 0.8908 GB, free: 9.086 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.003831/0.7128, allocations: 1.898 MB / 0.8926 GB, free: 7.148 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 4.889e-06/0.7129, allocations: 0 / 0.8926 GB, free: 7.148 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.001226/0.7141, allocations: 0.8254 MB / 0.8934 GB, free: 6.301 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004317/0.7184, allocations: 0.9741 MB / 0.8944 GB, free: 5.352 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005266/0.7237, allocations: 3.626 MB / 0.8979 GB, free: 1.621 MB / 0.6075 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009623/0.7247, allocations: 1.439 MB / 0.8993 GB, free: 152 kB / 0.6075 GB Notification: Performance of simCode: alias equations: time 0.001987/0.7267, allocations: 0.5329 MB / 0.8999 GB, free: 15.62 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003563/0.7271, allocations: 187.3 kB / 0.9 GB, free: 15.44 MB / 0.6231 GB Notification: Performance of SimCode: time 9.31e-07/0.7271, allocations: 0 / 0.9 GB, free: 15.44 MB / 0.6231 GB Notification: Performance of Templates: time 0.0673/0.7944, allocations: 43.11 MB / 0.9421 GB, free: 4.988 MB / 0.6544 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.PlugFlowPipe.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.PlugFlowPipe.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.PlugFlowPipe.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.PlugFlowPipe.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.PlugFlowPipe.sim & ./BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.PlugFlowPipe -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.FixedResistances.Examples.PlugFlowPipe.pipe 2>&1)