Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan.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/BuildSysPro 3.6.0-master/package.mo", uses=false)
Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-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(BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan")
translateModel(BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009191/0.0009191, allocations: 98.11 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.005756/0.005756, allocations: 170.3 kB / 16.27 MB, free: 6.652 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.429/1.429, allocations: 223.3 MB / 240.3 MB, free: 5.336 MB / 190.1 MB
[/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo.
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/package.mo): time 1.037/1.037, allocations: 143.4 MB / 434.8 MB, free: 13.65 MB / 350.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.0003608/0.000361, allocations: 8 kB / 0.5166 GB, free: 10.97 MB / 430.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1908/0.1912, allocations: 83.41 MB / 0.5981 GB, free: 7.5 MB / 0.4981 GB
Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan): time 1.014/1.205, allocations: 307 MB / 0.8979 GB, free: 20.79 MB / 0.67 GB
Notification: Performance of NFInst.instExpressions: time 0.03358/1.239, allocations: 29.31 MB / 0.9265 GB, free: 20.43 MB / 0.67 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002985/1.242, allocations: 69.75 kB / 0.9266 GB, free: 20.43 MB / 0.67 GB
Notification: Performance of NFTyping.typeComponents: time 0.0101/1.252, allocations: 4.574 MB / 0.931 GB, free: 20.32 MB / 0.67 GB
Notification: Performance of NFTyping.typeBindings: time 0.008852/1.261, allocations: 2.859 MB / 0.9338 GB, free: 20.18 MB / 0.67 GB
Notification: Performance of NFTyping.typeClassSections: time 0.008168/1.269, allocations: 2.365 MB / 0.9361 GB, free: 20.11 MB / 0.67 GB
[/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/NFFrontEnd/NFCeval.mo:1080:9-1080:67:writable] Error: Internal error NFCeval.evalBinaryMul failed to evaluate ‘{0.0, 0.1666666666666667}[pressure.n] * 0.0‘
Notification: Performance of NFFlatten.flatten: time 0.01259/1.281, allocations: 9.014 MB / 0.9449 GB, free: 20.07 MB / 0.67 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0027/1.284, allocations: 1.637 MB / 0.9465 GB, free: 19.8 MB / 0.67 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004655/1.289, allocations: 1.953 MB / 0.9484 GB, free: 19.52 MB / 0.67 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003822/1.293, allocations: 1.373 MB / 0.9498 GB, free: 19.3 MB / 0.67 GB
Notification: Performance of NFPackage.collectConstants: time 0.0003695/1.293, allocations: 71.88 kB / 0.9498 GB, free: 19.3 MB / 0.67 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.007699/1.301, allocations: 3.83 MB / 0.9536 GB, free: 18.43 MB / 0.67 GB
Notification: Performance of NFScalarize.scalarize: time 0.000951/1.302, allocations: 0.636 MB / 0.9542 GB, free: 18.25 MB / 0.67 GB
Notification: Performance of NFVerifyModel.verify: time 0.002169/1.304, allocations: 1.185 MB / 0.9554 GB, free: 18.16 MB / 0.67 GB
Notification: Performance of NFConvertDAE.convert: time 0.006982/1.311, allocations: 5.598 MB / 0.9608 GB, free: 15.34 MB / 0.67 GB
Notification: Performance of FrontEnd - DAE generated: time 4.799e-06/1.311, allocations: 0 / 0.9608 GB, free: 15.34 MB / 0.67 GB
Notification: Performance of FrontEnd: time 2.364e-06/1.311, allocations: 0 / 0.9608 GB, free: 15.34 MB / 0.67 GB
Notification: Performance of Transformations before backend: time 7.83e-05/1.311, allocations: 0 / 0.9608 GB, free: 15.34 MB / 0.67 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 332
 * Number of variables: 332
Notification: Performance of Generate backend data structure: time 0.004222/1.315, allocations: 2.472 MB / 0.9632 GB, free: 13.67 MB / 0.67 GB
Notification: Performance of prepare preOptimizeDAE: time 4.207e-05/1.315, allocations: 9.594 kB / 0.9633 GB, free: 13.67 MB / 0.67 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005936/1.321, allocations: 0.996 MB / 0.9642 GB, free: 13.27 MB / 0.67 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.009706/1.331, allocations: 5.658 MB / 0.9698 GB, free: 11.15 MB / 0.67 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004037/1.331, allocations: 171 kB / 0.9699 GB, free: 11.12 MB / 0.67 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002765/1.332, allocations: 133.5 kB / 0.97 GB, free: 11.12 MB / 0.67 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.003489/1.335, allocations: 1.614 MB / 0.9716 GB, free: 10.65 MB / 0.67 GB
Notification: Performance of preOpt findStateOrder (simulation): time 3.297e-05/1.335, allocations: 2.531 kB / 0.9716 GB, free: 10.65 MB / 0.67 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001465/1.335, allocations: 52.88 kB / 0.9717 GB, free: 10.65 MB / 0.67 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.98e-05/1.336, allocations: 55.8 kB / 0.9717 GB, free: 10.64 MB / 0.67 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003169/1.339, allocations: 1.376 MB / 0.9731 GB, free: 9.789 MB / 0.67 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 0.009873/1.349, allocations: 7.533 MB / 0.9804 GB, free: 2.422 MB / 0.67 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001325/1.35, allocations: 0.6619 MB / 0.9811 GB, free: 1.742 MB / 0.67 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0005802/1.351, allocations: 277.1 kB / 0.9813 GB, free: 1.473 MB / 0.67 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002549/1.351, allocations: 190.2 kB / 0.9815 GB, free: 1.25 MB / 0.67 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.345e-05/1.351, allocations: 38.56 kB / 0.9816 GB, free: 1.203 MB / 0.67 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.0008073/1.352, allocations: 102.6 kB / 0.9817 GB, free: 1.102 MB / 0.67 GB
Notification: Performance of pre-optimization done (n=36): time 4.329e-06/1.352, allocations: 0 / 0.9817 GB, free: 1.102 MB / 0.67 GB
Notification: Performance of matching and sorting (n=36): time 0.002483/1.354, allocations: 1.09 MB / 0.9827 GB, free: 15.97 MB / 0.6856 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.109e-05/1.354, allocations: 59.34 kB / 0.9828 GB, free: 15.9 MB / 0.6856 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003634/1.358, allocations: 2.373 MB / 0.9851 GB, free: 13.51 MB / 0.6856 GB
Notification: Performance of collectPreVariables (initialization): time 6.864e-05/1.358, allocations: 37.7 kB / 0.9851 GB, free: 13.47 MB / 0.6856 GB
Notification: Performance of collectInitialEqns (initialization): time 0.000961/1.359, allocations: 0.9743 MB / 0.9861 GB, free: 12.49 MB / 0.6856 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0001213/1.359, allocations: 137.6 kB / 0.9862 GB, free: 12.36 MB / 0.6856 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001592/1.359, allocations: 117.6 kB / 0.9863 GB, free: 12.24 MB / 0.6856 GB
Notification: Performance of setup shared object (initialization): time 0.0001403/1.359, allocations: 345.9 kB / 0.9866 GB, free: 11.89 MB / 0.6856 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00126/1.361, allocations: 0.5371 MB / 0.9872 GB, free: 11.36 MB / 0.6856 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001462/1.362, allocations: 0.8189 MB / 0.988 GB, free: 10.43 MB / 0.6856 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.002187/1.364, allocations: 1.152 MB / 0.9891 GB, free: 9.219 MB / 0.6856 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.444e-06/1.364, allocations: 4 kB / 0.9891 GB, free: 9.215 MB / 0.6856 GB
Notification: Performance of matching and sorting (n=140) (initialization): time 0.003637/1.368, allocations: 1.68 MB / 0.9907 GB, free: 7.547 MB / 0.6856 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001763/1.368, allocations: 319.4 kB / 0.991 GB, free: 7.141 MB / 0.6856 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.402e-05/1.368, allocations: 8 kB / 0.9911 GB, free: 7.133 MB / 0.6856 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0001705/1.368, allocations: 40.78 kB / 0.9911 GB, free: 7.09 MB / 0.6856 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001171/1.37, allocations: 240.6 kB / 0.9913 GB, free: 6.867 MB / 0.6856 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001199/1.371, allocations: 1.413 MB / 0.9927 GB, free: 5.332 MB / 0.6856 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002278/1.373, allocations: 225.6 kB / 0.9929 GB, free: 5.113 MB / 0.6856 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.842e-05/1.373, allocations: 35.98 kB / 0.993 GB, free: 5.078 MB / 0.6856 GB
Notification: Performance of prepare postOptimizeDAE: time 9.308e-06/1.373, allocations: 7.938 kB / 0.993 GB, free: 5.07 MB / 0.6856 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.003/1.376, allocations: 1.439 MB / 0.9944 GB, free: 3.652 MB / 0.6856 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.407e-05/1.376, allocations: 8 kB / 0.9944 GB, free: 3.645 MB / 0.6856 GB
Notification: Performance of postOpt tearingSystem (initialization): time 9.58e-05/1.376, allocations: 43.55 kB / 0.9944 GB, free: 3.602 MB / 0.6856 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001106/1.377, allocations: 232.9 kB / 0.9946 GB, free: 3.387 MB / 0.6856 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00107/1.378, allocations: 1.407 MB / 0.996 GB, free: 1.859 MB / 0.6856 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001956/1.38, allocations: 182.2 kB / 0.9962 GB, free: 1.676 MB / 0.6856 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.479e-05/1.381, allocations: 47.5 kB / 0.9962 GB, free: 1.633 MB / 0.6856 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 32
 * 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 (105):
 * Single equations (assignments): 102
 * Array equations: 1
 * Algorithm blocks: 0
 * Record equations: 1
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(1,2,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.001253/1.382, allocations: 0.6555 MB / 0.9969 GB, free: 0.9805 MB / 0.6856 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003112/1.382, allocations: 209.3 kB / 0.9971 GB, free: 0.7734 MB / 0.6856 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001858/1.384, allocations: 0.7897 MB / 0.9978 GB, free: 15.95 MB / 0.7012 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.891e-06/1.384, allocations: 8 kB / 0.9978 GB, free: 15.94 MB / 0.7012 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.296e-06/1.384, allocations: 0 / 0.9978 GB, free: 15.94 MB / 0.7012 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.869e-06/1.384, allocations: 0 / 0.9978 GB, free: 15.94 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 0.003796/1.388, allocations: 2.224 MB / 1 GB, free: 13.64 MB / 0.7012 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.639e-06/1.388, allocations: 4 kB / 1 GB, free: 13.64 MB / 0.7012 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006125/1.388, allocations: 94.77 kB / 1 GB, free: 13.55 MB / 0.7012 GB
Notification: Performance of postOpt tearingSystem (simulation): time 8.576e-05/1.389, allocations: 31.38 kB / 1 GB, free: 13.52 MB / 0.7012 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.381e-05/1.389, allocations: 8 kB / 1 GB, free: 13.51 MB / 0.7012 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009762/1.39, allocations: 1.404 MB / 1.002 GB, free: 11.98 MB / 0.7012 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.577e-06/1.39, allocations: 4 kB / 1.002 GB, free: 11.98 MB / 0.7012 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001627/1.391, allocations: 0.9091 MB / 1.002 GB, free: 11.02 MB / 0.7012 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0006253/1.392, allocations: 362.2 kB / 1.003 GB, free: 10.64 MB / 0.7012 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002055/1.392, allocations: 8 kB / 1.003 GB, free: 10.63 MB / 0.7012 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001183/1.393, allocations: 115.8 kB / 1.003 GB, free: 10.52 MB / 0.7012 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 5.993e-05/1.393, allocations: 30.34 kB / 1.003 GB, free: 10.49 MB / 0.7012 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.133e-05/1.393, allocations: 16.08 kB / 1.003 GB, free: 10.48 MB / 0.7012 GB
Notification: Performance of sorting global known variables: time 0.003006/1.396, allocations: 1.659 MB / 1.005 GB, free: 8.809 MB / 0.7012 GB
Notification: Performance of sort global known variables: time 5.21e-07/1.396, allocations: 0 / 1.005 GB, free: 8.809 MB / 0.7012 GB
Notification: Performance of remove unused functions: time 0.00244/1.399, allocations: 0.9047 MB / 1.005 GB, free: 7.902 MB / 0.7012 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 8
 * 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 (34):
 * Single equations (assignments): 33
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 1 system
   {(1,2,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 0 systems
Notification: Performance of Backend phase and start with SimCode phase: time 0.0009093/1.4, allocations: 471.7 kB / 1.006 GB, free: 7.457 MB / 0.7012 GB
Notification: Performance of simCode: created initialization part: time 0.004068/1.404, allocations: 1.883 MB / 1.008 GB, free: 5.602 MB / 0.7012 GB
Notification: Performance of simCode: created event and clocks part: time 4.678e-06/1.404, allocations: 0 / 1.008 GB, free: 5.602 MB / 0.7012 GB
Notification: Performance of simCode: created simulation system equations: time 0.000722/1.405, allocations: 362 kB / 1.008 GB, free: 5.246 MB / 0.7012 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00565/1.41, allocations: 1.16 MB / 1.009 GB, free: 4.109 MB / 0.7012 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006178/1.416, allocations: 3.967 MB / 1.013 GB, free: 100 kB / 0.7012 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001374/1.418, allocations: 1.542 MB / 1.015 GB, free: 14.52 MB / 0.7169 GB
Notification: Performance of simCode: alias equations: time 0.002371/1.42, allocations: 473.8 kB / 1.015 GB, free: 14.05 MB / 0.7169 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003433/1.421, allocations: 147.4 kB / 1.015 GB, free: 13.91 MB / 0.7169 GB
Notification: Performance of SimCode: time 1.322e-06/1.421, allocations: 0 / 1.015 GB, free: 13.91 MB / 0.7169 GB
Notification: Performance of Templates: time 0.06641/1.487, allocations: 40.59 MB / 1.055 GB, free: 5.926 MB / 0.7481 GB
make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan.makefile
(rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan  -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.FMI.Validation.HeaterFan.pipe 2>&1)