Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y.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.Movers.Validation.SpeedControlled_y,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y")
translateModel(IBPSA.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009625/0.0009625, allocations: 94.44 kB / 16.67 MB, free: 5.859 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001067/0.001067, allocations: 181.1 kB / 17.57 MB, free: 5.543 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.384/1.384, allocations: 223.3 MB / 241.6 MB, free: 14.46 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.705/0.705, allocations: 115.5 MB / 408.2 MB, free: 7.191 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.0003429/0.0003431, allocations: 8 kB / 496.5 MB, free: 15.72 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.4162/0.4166, allocations: 77.52 MB / 0.5606 GB, free: 35.42 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Movers.Validation.SpeedControlled_y): time 0.6877/1.104, allocations: 318.5 MB / 0.8716 GB, free: 14.21 MB / 0.5919 GB
Notification: Performance of NFInst.instExpressions: time 0.03116/1.136, allocations: 22.2 MB / 0.8933 GB, free: 4.914 MB / 0.5919 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0049/1.141, allocations: 74.56 kB / 0.8933 GB, free: 4.871 MB / 0.5919 GB
Notification: Performance of NFTyping.typeComponents: time 0.01875/1.159, allocations: 10.91 MB / 0.904 GB, free: 11.17 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.01308/1.172, allocations: 4.131 MB / 0.908 GB, free: 8.277 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.006511/1.179, allocations: 2.135 MB / 0.9101 GB, free: 6.359 MB / 0.6075 GB
[/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/NFFrontEnd/NFCeval.mo:1080:9-1080:67:writable] Error: Internal error NFCeval.evalBinaryMul failed to evaluate ‘{0.0, 0.8333333333333334, 1.666666666666667}[pressure.n] * 0.0‘
Notification: Performance of NFFlatten.flatten: time 0.02721/1.206, allocations: 19.98 MB / 0.9296 GB, free: 3.289 MB / 0.6231 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003857/1.21, allocations: 1.872 MB / 0.9315 GB, free: 1.406 MB / 0.6231 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.007471/1.218, allocations: 2.77 MB / 0.9342 GB, free: 14.82 MB / 0.6387 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.006201/1.224, allocations: 1.981 MB / 0.9361 GB, free: 13 MB / 0.6387 GB
Notification: Performance of NFPackage.collectConstants: time 0.0009188/1.225, allocations: 108 kB / 0.9362 GB, free: 12.89 MB / 0.6387 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01009/1.235, allocations: 4.499 MB / 0.9406 GB, free: 8.805 MB / 0.6387 GB
Notification: Performance of NFScalarize.scalarize: time 0.002126/1.237, allocations: 1.073 MB / 0.9416 GB, free: 7.742 MB / 0.6387 GB
Notification: Performance of NFVerifyModel.verify: time 0.003239/1.24, allocations: 1.574 MB / 0.9432 GB, free: 6.164 MB / 0.6387 GB
Notification: Performance of NFConvertDAE.convert: time 0.008065/1.248, allocations: 4.548 MB / 0.9476 GB, free: 1.676 MB / 0.6387 GB
Notification: Performance of FrontEnd - DAE generated: time 6.983e-06/1.248, allocations: 0 / 0.9476 GB, free: 1.676 MB / 0.6387 GB
Notification: Performance of FrontEnd: time 3.727e-06/1.248, allocations: 0 / 0.9476 GB, free: 1.676 MB / 0.6387 GB
Notification: Performance of Transformations before backend: time 0.0001245/1.249, allocations: 0 / 0.9476 GB, free: 1.676 MB / 0.6387 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 353
 * Number of variables: 353
Notification: Performance of Generate backend data structure: time 0.007267/1.256, allocations: 3.25 MB / 0.9508 GB, free: 14.35 MB / 0.6544 GB
Notification: Performance of prepare preOptimizeDAE: time 5.012e-05/1.256, allocations: 12.02 kB / 0.9508 GB, free: 14.34 MB / 0.6544 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008288/1.264, allocations: 1.283 MB / 0.9521 GB, free: 13.05 MB / 0.6544 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008754/1.273, allocations: 3.677 MB / 0.9556 GB, free: 9.305 MB / 0.6544 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002133/1.273, allocations: 127.1 kB / 0.9558 GB, free: 9.18 MB / 0.6544 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005437/1.274, allocations: 163.9 kB / 0.9559 GB, free: 9.02 MB / 0.6544 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.004104/1.278, allocations: 2.004 MB / 0.9579 GB, free: 6.961 MB / 0.6544 GB
Notification: Performance of preOpt findStateOrder (simulation): time 3.693e-05/1.278, allocations: 4 kB / 0.9579 GB, free: 6.957 MB / 0.6544 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001583/1.278, allocations: 60 kB / 0.9579 GB, free: 6.898 MB / 0.6544 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.794e-05/1.278, allocations: 54.69 kB / 0.958 GB, free: 6.844 MB / 0.6544 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003871/1.282, allocations: 1.732 MB / 0.9597 GB, free: 5.105 MB / 0.6544 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 0.01335/1.296, allocations: 8.969 MB / 0.9684 GB, free: 11.53 MB / 0.67 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.003738/1.299, allocations: 1.347 MB / 0.9698 GB, free: 10.17 MB / 0.67 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001628/1.301, allocations: 0.7142 MB / 0.9705 GB, free: 9.457 MB / 0.67 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002143/1.301, allocations: 114.1 kB / 0.9706 GB, free: 9.328 MB / 0.67 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.464e-05/1.301, allocations: 43.56 kB / 0.9706 GB, free: 9.277 MB / 0.67 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.001363/1.303, allocations: 162.7 kB / 0.9708 GB, free: 9.117 MB / 0.67 GB
Notification: Performance of pre-optimization done (n=83): time 3.747e-06/1.303, allocations: 0 / 0.9708 GB, free: 9.117 MB / 0.67 GB
Notification: Performance of matching and sorting (n=83): time 0.006802/1.309, allocations: 2.402 MB / 0.9731 GB, free: 6.66 MB / 0.67 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.42e-05/1.309, allocations: 64.34 kB / 0.9732 GB, free: 6.586 MB / 0.67 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004485/1.314, allocations: 2.927 MB / 0.976 GB, free: 3.652 MB / 0.67 GB
Notification: Performance of collectPreVariables (initialization): time 0.0002645/1.314, allocations: 53.69 kB / 0.9761 GB, free: 3.594 MB / 0.67 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001125/1.315, allocations: 1.233 MB / 0.9773 GB, free: 2.348 MB / 0.67 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0003579/1.316, allocations: 303.8 kB / 0.9776 GB, free: 2.047 MB / 0.67 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002917/1.316, allocations: 221.7 kB / 0.9778 GB, free: 1.824 MB / 0.67 GB
Notification: Performance of setup shared object (initialization): time 0.0001062/1.316, allocations: 305.1 kB / 0.9781 GB, free: 1.523 MB / 0.67 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002309/1.319, allocations: 1.331 MB / 0.9794 GB, free: 196 kB / 0.67 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.002755/1.321, allocations: 1.82 MB / 0.9812 GB, free: 14.18 MB / 0.6856 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.004655/1.326, allocations: 2.935 MB / 0.984 GB, free: 11.11 MB / 0.6856 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.137e-06/1.326, allocations: 0 / 0.984 GB, free: 11.11 MB / 0.6856 GB
Notification: Performance of matching and sorting (n=265) (initialization): time 0.006857/1.333, allocations: 3.631 MB / 0.9876 GB, free: 7.461 MB / 0.6856 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0003487/1.333, allocations: 387.4 kB / 0.9879 GB, free: 6.945 MB / 0.6856 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.97e-05/1.333, allocations: 8 kB / 0.9879 GB, free: 6.938 MB / 0.6856 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001066/1.334, allocations: 345.3 kB / 0.9883 GB, free: 6.598 MB / 0.6856 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001701/1.336, allocations: 383.5 kB / 0.9886 GB, free: 6.223 MB / 0.6856 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001497/1.338, allocations: 1.921 MB / 0.9905 GB, free: 4.227 MB / 0.6856 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003073/1.341, allocations: 203.2 kB / 0.9907 GB, free: 4.027 MB / 0.6856 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002181/1.341, allocations: 104 kB / 0.9908 GB, free: 3.926 MB / 0.6856 GB
Notification: Performance of prepare postOptimizeDAE: time 1.595e-05/1.341, allocations: 4 kB / 0.9908 GB, free: 3.922 MB / 0.6856 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.005541/1.346, allocations: 2.988 MB / 0.9937 GB, free: 0.9297 MB / 0.6856 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.572e-05/1.346, allocations: 8 kB / 0.9937 GB, free: 0.9219 MB / 0.6856 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001276/1.348, allocations: 365.7 kB / 0.9941 GB, free: 0.5586 MB / 0.6856 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00146/1.349, allocations: 367.4 kB / 0.9944 GB, free: 204 kB / 0.6856 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005321/1.355, allocations: 3.839 MB / 0.9982 GB, free: 12.12 MB / 0.7012 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002667/1.357, allocations: 210.8 kB / 0.9984 GB, free: 11.91 MB / 0.7012 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003313/1.358, allocations: 91.97 kB / 0.9985 GB, free: 11.82 MB / 0.7012 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 43
 * 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 (186):
 * Single equations (assignments): 179
 * Array equations: 2
 * Algorithm blocks: 0
 * Record equations: 2
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 1
 * Torn equation systems: 2
 * 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): 1 system
   {1}
 * Without analytic Jacobian (size): 0 systems
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 0 systems
 * Non-linear torn systems (#iteration vars, #inner vars): 2 systems
   {(1,7), (1,4)}
Notification: Performance of prepare postOptimizeDAE: time 0.001952/1.36, allocations: 0.8246 MB / 0.9993 GB, free: 10.99 MB / 0.7012 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008797/1.36, allocations: 268.5 kB / 0.9995 GB, free: 10.72 MB / 0.7012 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00492/1.365, allocations: 1.753 MB / 1.001 GB, free: 8.949 MB / 0.7012 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.418e-05/1.365, allocations: 8 kB / 1.001 GB, free: 8.941 MB / 0.7012 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.769e-06/1.365, allocations: 4 kB / 1.001 GB, free: 8.938 MB / 0.7012 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003291/1.369, allocations: 1.462 MB / 1.003 GB, free: 7.441 MB / 0.7012 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 postOpt removeSimpleEquations (simulation): time 0.008568/1.377, allocations: 3.875 MB / 1.006 GB, free: 3.453 MB / 0.7012 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.983e-06/1.377, allocations: 4 kB / 1.006 GB, free: 3.449 MB / 0.7012 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001231/1.379, allocations: 219.9 kB / 1.007 GB, free: 3.234 MB / 0.7012 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.000578/1.379, allocations: 197.4 kB / 1.007 GB, free: 3.035 MB / 0.7012 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.665e-05/1.379, allocations: 27.98 kB / 1.007 GB, free: 3.008 MB / 0.7012 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001191/1.38, allocations: 1.87 MB / 1.009 GB, free: 1.062 MB / 0.7012 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.304e-06/1.381, allocations: 0 / 1.009 GB, free: 1.062 MB / 0.7012 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005757/1.386, allocations: 2.514 MB / 1.011 GB, free: 14.5 MB / 0.7169 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001358/1.388, allocations: 457.4 kB / 1.012 GB, free: 14.03 MB / 0.7169 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006731/1.388, allocations: 20 kB / 1.012 GB, free: 14.01 MB / 0.7169 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002059/1.39, allocations: 159.6 kB / 1.012 GB, free: 13.86 MB / 0.7169 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001435/1.391, allocations: 56.58 kB / 1.012 GB, free: 13.8 MB / 0.7169 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001153/1.391, allocations: 47.97 kB / 1.012 GB, free: 13.75 MB / 0.7169 GB
Notification: Performance of sorting global known variables: time 0.003206/1.394, allocations: 1.956 MB / 1.014 GB, free: 11.8 MB / 0.7169 GB
Notification: Performance of sort global known variables: time 2.31e-07/1.394, allocations: 0 / 1.014 GB, free: 11.8 MB / 0.7169 GB
Notification: Performance of remove unused functions: time 0.004013/1.398, allocations: 1.419 MB / 1.015 GB, free: 10.38 MB / 0.7169 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 7
 * Number of states: 3 (floMacDyn.vol.dynBal.medium.Xi[1],floMacDyn.vol.dynBal.U,floMacDyn.vol.dynBal.m)
 * 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 (75):
 * Single equations (assignments): 72
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 1
 * Torn equation systems: 2
 * 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): 1 system
   {1}
 * Without analytic Jacobian (size): 0 systems
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 0 systems
 * Non-linear torn systems (#iteration vars, #inner vars): 2 systems
   {(1,5), (2,6)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.001549/1.399, allocations: 0.6439 MB / 1.016 GB, free: 9.742 MB / 0.7169 GB
Notification: Performance of simCode: created initialization part: time 0.007607/1.407, allocations: 4.006 MB / 1.02 GB, free: 5.73 MB / 0.7169 GB
Notification: Performance of simCode: created event and clocks part: time 6.612e-06/1.407, allocations: 3.938 kB / 1.02 GB, free: 5.727 MB / 0.7169 GB
Notification: Performance of simCode: created simulation system equations: time 0.00172/1.409, allocations: 0.6913 MB / 1.02 GB, free: 5.039 MB / 0.7169 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007631/1.417, allocations: 1.399 MB / 1.022 GB, free: 3.68 MB / 0.7169 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.2986/1.715, allocations: 6.06 MB / 1.028 GB, free: 300.5 MB / 0.7169 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002167/1.717, allocations: 1.939 MB / 1.03 GB, free: 299.7 MB / 0.7169 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001156/1.719, allocations: 212.5 kB / 1.03 GB, free: 299.7 MB / 0.7169 GB
Notification: Performance of SimCode: time 1.042e-06/1.719, allocations: 0 / 1.03 GB, free: 299.7 MB / 0.7169 GB
Notification: Performance of Templates: time 0.1112/1.83, allocations: 85.93 MB / 1.114 GB, free: 242 MB / 0.7169 GB
make -j1 -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y.makefile
(rm -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y.sim & ./IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y.pipe 2>&1)