Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.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.Humidifiers.Validation.SteamHumidifier_X,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X")
translateModel(Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00152/0.00152, allocations: 111.3 kB / 15.23 MB, free: 0.6367 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002072/0.002072, allocations: 195.9 kB / 16.14 MB, free: 6.738 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.407/1.407, allocations: 205.1 MB / 222 MB, free: 4.988 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.653/1.653, allocations: 292.2 MB / 0.5484 GB, free: 13.71 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 0.001315/0.001315, allocations: 66.06 kB / 0.6708 GB, free: 26.31 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3369/0.3382, allocations: 114.5 MB / 0.7827 GB, free: 14.04 MB / 0.6075 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X): time 0.8574/1.196, allocations: 196.8 MB / 0.9748 GB, free: 5.168 MB / 0.7325 GB
Notification: Performance of NFInst.instExpressions: time 0.008751/1.204, allocations: 3.649 MB / 0.9784 GB, free: 5.047 MB / 0.7325 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001743/1.206, allocations: 25.19 kB / 0.9784 GB, free: 5.047 MB / 0.7325 GB
Notification: Performance of NFTyping.typeComponents: time 0.001616/1.208, allocations: 378.4 kB / 0.9788 GB, free: 5.035 MB / 0.7325 GB
Notification: Performance of NFTyping.typeBindings: time 0.004467/1.212, allocations: 1.166 MB / 0.9799 GB, free: 4.973 MB / 0.7325 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002674/1.215, allocations: 0.6548 MB / 0.9806 GB, free: 4.949 MB / 0.7325 GB
Notification: Performance of NFFlatten.flatten: time 0.003042/1.218, allocations: 1.825 MB / 0.9823 GB, free: 4.949 MB / 0.7325 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.000819/1.219, allocations: 438.7 kB / 0.9828 GB, free: 4.895 MB / 0.7325 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003158/1.222, allocations: 0.8946 MB / 0.9836 GB, free: 4.84 MB / 0.7325 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0008467/1.223, allocations: 473.7 kB / 0.9841 GB, free: 4.766 MB / 0.7325 GB
Notification: Performance of NFPackage.collectConstants: time 8.9e-05/1.223, allocations: 30.25 kB / 0.9841 GB, free: 4.762 MB / 0.7325 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003404/1.227, allocations: 1.324 MB / 0.9854 GB, free: 4.746 MB / 0.7325 GB
Notification: Performance of NFScalarize.scalarize: time 0.0002799/1.227, allocations: 185.1 kB / 0.9856 GB, free: 4.715 MB / 0.7325 GB
Notification: Performance of NFVerifyModel.verify: time 0.0004305/1.227, allocations: 305.3 kB / 0.9859 GB, free: 4.613 MB / 0.7325 GB
Notification: Performance of NFConvertDAE.convert: time 0.002513/1.23, allocations: 1.227 MB / 0.9871 GB, free: 4.453 MB / 0.7325 GB
Notification: Performance of FrontEnd - DAE generated: time 5.27e-06/1.23, allocations: 3.938 kB / 0.9871 GB, free: 4.449 MB / 0.7325 GB
Notification: Performance of FrontEnd: time 1.223e-06/1.23, allocations: 0 / 0.9871 GB, free: 4.449 MB / 0.7325 GB
Notification: Performance of Transformations before backend: time 1.061e-05/1.23, allocations: 1.281 kB / 0.9871 GB, free: 4.449 MB / 0.7325 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 98
 * Number of variables: 98
Notification: Performance of Generate backend data structure: time 0.002695/1.233, allocations: 1.061 MB / 0.9881 GB, free: 19.78 MB / 0.7481 GB
Notification: Performance of prepare preOptimizeDAE: time 4.856e-05/1.233, allocations: 9.25 kB / 0.9881 GB, free: 19.78 MB / 0.7481 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001372/1.234, allocations: 223.4 kB / 0.9883 GB, free: 19.74 MB / 0.7481 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008607/1.235, allocations: 0.5322 MB / 0.9889 GB, free: 19.45 MB / 0.7481 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.879e-05/1.235, allocations: 30.84 kB / 0.9889 GB, free: 19.45 MB / 0.7481 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 8.067e-05/1.235, allocations: 40.59 kB / 0.9889 GB, free: 19.45 MB / 0.7481 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.00104/1.236, allocations: 0.5379 MB / 0.9894 GB, free: 19.37 MB / 0.7481 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.646e-05/1.236, allocations: 4 kB / 0.9895 GB, free: 19.36 MB / 0.7481 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.15e-05/1.236, allocations: 16.41 kB / 0.9895 GB, free: 19.36 MB / 0.7481 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.143e-05/1.236, allocations: 16.97 kB / 0.9895 GB, free: 19.36 MB / 0.7481 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001095/1.237, allocations: 0.502 MB / 0.99 GB, free: 19.36 MB / 0.7481 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 0.003275/1.241, allocations: 2.231 MB / 0.9922 GB, free: 18.1 MB / 0.7481 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0007428/1.241, allocations: 350.9 kB / 0.9925 GB, free: 17.98 MB / 0.7481 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002658/1.242, allocations: 145.1 kB / 0.9926 GB, free: 17.97 MB / 0.7481 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001411/1.243, allocations: 0.8405 MB / 0.9934 GB, free: 17.12 MB / 0.7481 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004155/1.243, allocations: 192.9 kB / 0.9936 GB, free: 17.05 MB / 0.7481 GB
Notification: Performance of pre-optimization done (n=26): time 2.204e-06/1.243, allocations: 0 / 0.9936 GB, free: 17.05 MB / 0.7481 GB
Notification: Performance of matching and sorting (n=26): time 0.001208/1.245, allocations: 434.6 kB / 0.994 GB, free: 16.99 MB / 0.7481 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.868e-05/1.245, allocations: 84.2 kB / 0.9941 GB, free: 16.89 MB / 0.7481 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009829/1.246, allocations: 0.6566 MB / 0.9948 GB, free: 16.76 MB / 0.7481 GB
Notification: Performance of collectPreVariables (initialization): time 4.782e-05/1.246, allocations: 29.39 kB / 0.9948 GB, free: 16.73 MB / 0.7481 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0002719/1.246, allocations: 322.2 kB / 0.9951 GB, free: 16.55 MB / 0.7481 GB
Notification: Performance of collectInitialBindings (initialization): time 6.533e-05/1.246, allocations: 89.41 kB / 0.9952 GB, free: 16.48 MB / 0.7481 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001317/1.246, allocations: 81.12 kB / 0.9953 GB, free: 16.44 MB / 0.7481 GB
Notification: Performance of setup shared object (initialization): time 0.0001683/1.246, allocations: 376.3 kB / 0.9956 GB, free: 16.09 MB / 0.7481 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003655/1.247, allocations: 132.1 kB / 0.9958 GB, free: 16.05 MB / 0.7481 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004366/1.247, allocations: 288.5 kB / 0.996 GB, free: 15.83 MB / 0.7481 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.000572/1.248, allocations: 384.2 kB / 0.9964 GB, free: 15.59 MB / 0.7481 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.119e-06/1.248, allocations: 5.906 kB / 0.9964 GB, free: 15.59 MB / 0.7481 GB
Notification: Performance of matching and sorting (n=43) (initialization): time 0.0009266/1.249, allocations: 468.7 kB / 0.9968 GB, free: 15.42 MB / 0.7481 GB
Notification: Performance of prepare postOptimizeDAE: time 2.118e-05/1.249, allocations: 8.406 kB / 0.9969 GB, free: 15.42 MB / 0.7481 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.968e-06/1.249, allocations: 5.562 kB / 0.9969 GB, free: 15.42 MB / 0.7481 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.569e-05/1.249, allocations: 7.688 kB / 0.9969 GB, free: 15.42 MB / 0.7481 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004059/1.249, allocations: 94.06 kB / 0.997 GB, free: 15.41 MB / 0.7481 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.33e-05/1.249, allocations: 8.422 kB / 0.997 GB, free: 15.41 MB / 0.7481 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006862/1.25, allocations: 87.27 kB / 0.997 GB, free: 15.38 MB / 0.7481 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.477e-05/1.25, allocations: 23.67 kB / 0.9971 GB, free: 15.37 MB / 0.7481 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005216/1.251, allocations: 294.1 kB / 0.9973 GB, free: 15.21 MB / 0.7481 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0003868/1.251, allocations: 278.8 kB / 0.9976 GB, free: 15 MB / 0.7481 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005466/1.252, allocations: 383 kB / 0.998 GB, free: 14.76 MB / 0.7481 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 3.086e-06/1.252, allocations: 6.406 kB / 0.998 GB, free: 14.76 MB / 0.7481 GB
Notification: Performance of matching and sorting (n=43) (initialization_lambda0): time 0.0008783/1.252, allocations: 470.7 kB / 0.9984 GB, free: 14.59 MB / 0.7481 GB
Notification: Performance of prepare postOptimizeDAE: time 1.209e-05/1.252, allocations: 7.875 kB / 0.9984 GB, free: 14.59 MB / 0.7481 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.633e-06/1.252, allocations: 14.16 kB / 0.9985 GB, free: 14.59 MB / 0.7481 GB
Notification: Performance of postOpt tearingSystem (initialization): time 5.641e-06/1.252, allocations: 5.031 kB / 0.9985 GB, free: 14.59 MB / 0.7481 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000373/1.253, allocations: 85 kB / 0.9985 GB, free: 14.58 MB / 0.7481 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.815e-06/1.253, allocations: 10.11 kB / 0.9986 GB, free: 14.58 MB / 0.7481 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006049/1.253, allocations: 73.41 kB / 0.9986 GB, free: 14.56 MB / 0.7481 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.356e-05/1.254, allocations: 16.62 kB / 0.9986 GB, free: 14.56 MB / 0.7481 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 18
 * Number of states: 0 ()
 * Number of discrete variables: 5 ($PRE.XSet.nextTimeEvent,$whenCondition1,XSet.nextTimeEventScaled,$PRE.XSet.nextTimeEventScaled,XSet.nextTimeEvent)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (43):
 * Single equations (assignments): 43
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * 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 0.0001703/1.254, allocations: 209.2 kB / 0.9988 GB, free: 14.36 MB / 0.7481 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 8.069e-05/1.254, allocations: 65.75 kB / 0.9989 GB, free: 14.33 MB / 0.7481 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005732/1.254, allocations: 321.6 kB / 0.9992 GB, free: 14.17 MB / 0.7481 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.939e-06/1.254, allocations: 2.719 kB / 0.9992 GB, free: 14.17 MB / 0.7481 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 7.404e-06/1.254, allocations: 0 / 0.9992 GB, free: 14.17 MB / 0.7481 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.847e-06/1.254, allocations: 9.391 kB / 0.9992 GB, free: 14.16 MB / 0.7481 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001455/1.256, allocations: 1.082 MB / 1 GB, free: 13.49 MB / 0.7481 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.298e-06/1.256, allocations: 6.531 kB / 1 GB, free: 13.48 MB / 0.7481 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001808/1.256, allocations: 45.44 kB / 1 GB, free: 13.48 MB / 0.7481 GB
Notification: Performance of postOpt tearingSystem (simulation): time 5.49e-06/1.256, allocations: 5.031 kB / 1 GB, free: 13.48 MB / 0.7481 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.281e-05/1.256, allocations: 5.344 kB / 1 GB, free: 13.48 MB / 0.7481 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.412e-06/1.256, allocations: 5.094 kB / 1 GB, free: 13.48 MB / 0.7481 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.929e-06/1.256, allocations: 2.656 kB / 1 GB, free: 13.48 MB / 0.7481 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005596/1.257, allocations: 483.9 kB / 1.001 GB, free: 13.15 MB / 0.7481 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001743/1.257, allocations: 164.1 kB / 1.001 GB, free: 13 MB / 0.7481 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.777e-05/1.257, allocations: 4.375 kB / 1.001 GB, free: 13 MB / 0.7481 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003476/1.257, allocations: 24.3 kB / 1.001 GB, free: 13 MB / 0.7481 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 8.78e-05/1.257, allocations: 31.09 kB / 1.001 GB, free: 12.99 MB / 0.7481 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.256e-05/1.257, allocations: 8.938 kB / 1.001 GB, free: 12.99 MB / 0.7481 GB
Notification: Performance of sorting global known variables: time 0.0006637/1.258, allocations: 479.4 kB / 1.001 GB, free: 12.79 MB / 0.7481 GB
Notification: Performance of sort global known variables: time 4.51e-07/1.258, allocations: 0 / 1.001 GB, free: 12.79 MB / 0.7481 GB
Notification: Performance of remove unused functions: time 0.001058/1.259, allocations: 269.9 kB / 1.002 GB, free: 12.74 MB / 0.7481 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 11
 * Number of states: 0 ()
 * Number of discrete variables: 3 ($whenCondition1,XSet.nextTimeEvent,XSet.nextTimeEventScaled)
 * Number of discrete states: 2 (XSet.nextTimeEvent,XSet.nextTimeEventScaled)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (25):
 * Single equations (assignments): 23
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 2
 * 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 0.001264/1.26, allocations: 0.5131 MB / 1.002 GB, free: 12.52 MB / 0.7481 GB
Notification: Performance of simCode: created initialization part: time 0.001169/1.262, allocations: 0.4985 MB / 1.003 GB, free: 12.4 MB / 0.7481 GB
Notification: Performance of simCode: created event and clocks part: time 3.377e-06/1.262, allocations: 0 / 1.003 GB, free: 12.4 MB / 0.7481 GB
Notification: Performance of simCode: created simulation system equations: time 0.0002108/1.262, allocations: 127.8 kB / 1.003 GB, free: 12.37 MB / 0.7481 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001315/1.263, allocations: 273.8 kB / 1.003 GB, free: 12.29 MB / 0.7481 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002009/1.265, allocations: 1.227 MB / 1.004 GB, free: 11.51 MB / 0.7481 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006966/1.266, allocations: 0.894 MB / 1.005 GB, free: 10.79 MB / 0.7481 GB
Notification: Performance of simCode: alias equations: time 0.0007313/1.267, allocations: 168.9 kB / 1.005 GB, free: 10.75 MB / 0.7481 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001239/1.267, allocations: 43.44 kB / 1.005 GB, free: 10.74 MB / 0.7481 GB
Notification: Performance of SimCode: time 8.21e-07/1.267, allocations: 4 kB / 1.005 GB, free: 10.74 MB / 0.7481 GB
Notification: Performance of Templates: time 0.02027/1.287, allocations: 10.11 MB / 1.015 GB, free: 6.789 MB / 0.7481 GB
make -j1 -f Buildings_8_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.makefile
(rm -f Buildings_8_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe ; mkfifo Buildings_8_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe >> ../files/Buildings_8_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.sim & ./Buildings_8_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe 2>&1)