Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AixLib_AixLib.Airflow.AirCurtain.Examples.AirCurtain.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/Modelica_DeviceDrivers 2.1.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/package.mo", uses=false) Using package AixLib with version 1.3.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/package.mo) Using package SDF with version 0.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo) Using package Modelica_DeviceDrivers with version 2.1.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1-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(AixLib.Airflow.AirCurtain.Examples.AirCurtain,tolerance=1e-06,outputFormat="empty",numberOfIntervals=672,variableFilter="",fileNamePrefix="AixLib_AixLib.Airflow.AirCurtain.Examples.AirCurtain") translateModel(AixLib.Airflow.AirCurtain.Examples.AirCurtain,tolerance=1e-06,outputFormat="empty",numberOfIntervals=672,variableFilter="",fileNamePrefix="AixLib_AixLib.Airflow.AirCurtain.Examples.AirCurtain") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001246/0.001247, allocations: 109.6 kB / 16.41 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 0.001258/0.001258, allocations: 190.7 kB / 17.35 MB, free: 5.688 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.227/1.227, allocations: 222.9 MB / 241.1 MB, free: 15.05 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1-master/package.mo): time 0.08463/0.08463, allocations: 12.05 MB / 303.3 MB, free: 3.074 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.001275/0.001275, allocations: 34.83 kB / 356.3 MB, free: 13.95 MB / 302.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:6228:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:6853:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:8435:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:9369:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:11505:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/Obsolete/YearIndependent/FastHVAC/Components/HeatExchangers/RadiatorMultiLayer.mo:265:34-265:12875:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/ThermalZones/HighOrder/Components/Examples/DryAir/DryAir_test.mo:71:18-71:405:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/ThermalZones/HighOrder/Components/DryAir/InfiltrationRate_DIN12831.mo:20:192-20:2066:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/ThermalZones/HighOrder/Components/DryAir/InfiltrationRate_DIN12831.mo:20:192-20:4252:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_N_E_S_W_RoofN_Roof_S.mo:5:35-5:362:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_N_E_S_W_Hor.mo:5:35-5:320:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/Weather/SurfaceOrientation/SurfaceOrientationData_NE_SE_SW_NW_Hor.mo:5:35-5:324:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/CHP/CHPDataSimple/CHP_XRGI_9kWel.mo:25:34-25:588:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/CHP/CHPDataSimple/CHP_XRGI_9kWel.mo:25:34-25:3852:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/DataBase/CHP/CHPDataSimple/CHP_Cleanergy_C9G.mo:36:34-36:594:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/BoundaryConditions/InternalGains/Examples/InternalGains/Machines.mo:31:20-31:400:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/BoundaryConditions/InternalGains/Examples/InternalGains/Lights.mo:27:20-27:398:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2/package.mo): time 1.907/1.907, allocations: 268.2 MB / 0.6618 GB, free: 2.578 MB / 478.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002103/0.002103, allocations: 107.8 kB / 0.888 GB, free: 2.801 MB / 0.6075 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4517/0.4538, allocations: 108.4 MB / 0.9938 GB, free: 1.098 MB / 0.67 GB Notification: Performance of NFInst.instantiate(AixLib.Airflow.AirCurtain.Examples.AirCurtain): time 0.005758/0.4596, allocations: 4.552 MB / 0.9982 GB, free: 12.52 MB / 0.6857 GB Notification: Performance of NFInst.instExpressions: time 0.14/0.5996, allocations: 150.6 MB / 1.145 GB, free: 5.375 MB / 0.8263 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.000692/0.6003, allocations: 23.81 kB / 1.145 GB, free: 5.352 MB / 0.8263 GB Notification: Performance of NFTyping.typeComponents: time 0.000631/0.601, allocations: 170.4 kB / 1.145 GB, free: 5.184 MB / 0.8263 GB Notification: Performance of NFTyping.typeBindings: time 0.001592/0.6026, allocations: 492.5 kB / 1.146 GB, free: 4.703 MB / 0.8263 GB Notification: Performance of NFTyping.typeClassSections: time 0.001717/0.6043, allocations: 0.7664 MB / 1.147 GB, free: 3.945 MB / 0.8263 GB Notification: Performance of NFFlatten.flatten: time 0.001303/0.6057, allocations: 1.227 MB / 1.148 GB, free: 2.715 MB / 0.8263 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008478/0.6065, allocations: 0.6058 MB / 1.148 GB, free: 2.086 MB / 0.8263 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0005731/0.6071, allocations: 446.4 kB / 1.149 GB, free: 1.648 MB / 0.8263 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007267/0.6078, allocations: 461.9 kB / 1.149 GB, free: 1.195 MB / 0.8263 GB Notification: Performance of NFPackage.collectConstants: time 0.0001845/0.608, allocations: 104 kB / 1.149 GB, free: 1.094 MB / 0.8263 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0006994/0.6087, allocations: 415.6 kB / 1.15 GB, free: 0.6875 MB / 0.8263 GB Notification: Performance of NFScalarize.scalarize: time 0.0002365/0.609, allocations: 271.1 kB / 1.15 GB, free: 432 kB / 0.8263 GB Notification: Performance of NFVerifyModel.verify: time 0.000461/0.6095, allocations: 0.5091 MB / 1.151 GB, free: 15.91 MB / 0.8419 GB Notification: Performance of NFConvertDAE.convert: time 0.001661/0.6111, allocations: 1.47 MB / 1.152 GB, free: 14.44 MB / 0.8419 GB Notification: Performance of FrontEnd - DAE generated: time 5.611e-06/0.6111, allocations: 0 / 1.152 GB, free: 14.44 MB / 0.8419 GB Notification: Performance of FrontEnd: time 1.152e-06/0.6112, allocations: 3.938 kB / 1.152 GB, free: 14.43 MB / 0.8419 GB Notification: Performance of Transformations before backend: time 3.166e-05/0.6112, allocations: 0 / 1.152 GB, free: 14.43 MB / 0.8419 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 200 * Number of variables: 200 Notification: Performance of Generate backend data structure: time 0.002442/0.6136, allocations: 1.427 MB / 1.153 GB, free: 12.95 MB / 0.8419 GB Notification: Performance of prepare preOptimizeDAE: time 3.602e-05/0.6137, allocations: 8.031 kB / 1.153 GB, free: 12.94 MB / 0.8419 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003279/0.614, allocations: 128.2 kB / 1.154 GB, free: 12.81 MB / 0.8419 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001079/0.6151, allocations: 0.7461 MB / 1.154 GB, free: 12.03 MB / 0.8419 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001029/0.6152, allocations: 91.69 kB / 1.154 GB, free: 11.93 MB / 0.8419 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001035/0.6153, allocations: 76 kB / 1.154 GB, free: 11.86 MB / 0.8419 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001443/0.6168, allocations: 0.8771 MB / 1.155 GB, free: 10.93 MB / 0.8419 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.245e-05/0.6168, allocations: 0 / 1.155 GB, free: 10.93 MB / 0.8419 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.532e-05/0.6169, allocations: 35.94 kB / 1.155 GB, free: 10.9 MB / 0.8419 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.658e-05/0.6169, allocations: 20 kB / 1.155 GB, free: 10.88 MB / 0.8419 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001716/0.6186, allocations: 1.097 MB / 1.156 GB, free: 9.777 MB / 0.8419 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 0.003473/0.6221, allocations: 2.639 MB / 1.159 GB, free: 7.047 MB / 0.8419 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001266/0.6234, allocations: 0.6863 MB / 1.16 GB, free: 6.348 MB / 0.8419 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004707/0.6239, allocations: 270.4 kB / 1.16 GB, free: 6.082 MB / 0.8419 GB Notification: Performance of preOpt evalFunc (simulation): time 6.372e-05/0.624, allocations: 28.53 kB / 1.16 GB, free: 6.051 MB / 0.8419 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006892/0.6246, allocations: 389.2 kB / 1.16 GB, free: 5.66 MB / 0.8419 GB Notification: Performance of pre-optimization done (n=72): time 2.615e-06/0.6247, allocations: 0 / 1.16 GB, free: 5.66 MB / 0.8419 GB Notification: Performance of matching and sorting (n=72): time 0.001739/0.6264, allocations: 0.8799 MB / 1.161 GB, free: 4.773 MB / 0.8419 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.923e-05/0.6265, allocations: 188.6 kB / 1.161 GB, free: 4.547 MB / 0.8419 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0007258/0.6272, allocations: 0.641 MB / 1.162 GB, free: 3.898 MB / 0.8419 GB Notification: Performance of collectPreVariables (initialization): time 5.811e-05/0.6273, allocations: 37.7 kB / 1.162 GB, free: 3.855 MB / 0.8419 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002747/0.6276, allocations: 404.8 kB / 1.162 GB, free: 3.453 MB / 0.8419 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001703/0.6278, allocations: 241.9 kB / 1.163 GB, free: 3.215 MB / 0.8419 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002208/0.628, allocations: 158.6 kB / 1.163 GB, free: 3.051 MB / 0.8419 GB Notification: Performance of setup shared object (initialization): time 0.0001371/0.6281, allocations: 390.8 kB / 1.163 GB, free: 2.66 MB / 0.8419 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.000506/0.6286, allocations: 241.9 kB / 1.163 GB, free: 2.426 MB / 0.8419 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005926/0.6292, allocations: 348 kB / 1.164 GB, free: 2.074 MB / 0.8419 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003961/0.6332, allocations: 1.333 MB / 1.165 GB, free: 0.7148 MB / 0.8419 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.817e-06/0.6332, allocations: 4 kB / 1.165 GB, free: 0.7109 MB / 0.8419 GB Notification: Performance of matching and sorting (n=92) (initialization): time 0.001425/0.6347, allocations: 0.7797 MB / 1.166 GB, free: 15.92 MB / 0.8575 GB Notification: Performance of prepare postOptimizeDAE: time 3.385e-05/0.6347, allocations: 39.56 kB / 1.166 GB, free: 15.88 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.613e-06/0.6347, allocations: 0 / 1.166 GB, free: 15.88 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.781e-05/0.6347, allocations: 4 kB / 1.166 GB, free: 15.87 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005994/0.6353, allocations: 159.9 kB / 1.166 GB, free: 15.71 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.361e-05/0.6354, allocations: 4 kB / 1.166 GB, free: 15.71 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006001/0.636, allocations: 95.45 kB / 1.166 GB, free: 15.62 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.668e-05/0.636, allocations: 39.97 kB / 1.166 GB, free: 15.58 MB / 0.8575 GB Warning: Assuming fixed start value for the following 1 variables: airload.T:VARIABLE(min = 0.0 start = airload.T0 unit = "K" fixed = true nominal = 300.0 stateSelect=StateSelect.always final = true ) "Temperature of element" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 5 * Number of states: 0 () * Number of discrete variables: 13 (weaDat.conTim.canRepeatWeatherFile,weaDat.conTimMin.canRepeatWeatherFile,$PRE.pulse.count,$PRE.pulse.T_start,pulse.count,pulse.T_start,weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,$whenCondition1,$whenCondition2,$whenCondition3) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (91): * Single equations (assignments): 90 * Array equations: 0 * Algorithm blocks: 1 * 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 0.0003976/0.6365, allocations: 269.6 kB / 1.166 GB, free: 15.3 MB / 0.8575 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001545/0.6366, allocations: 83.42 kB / 1.166 GB, free: 15.22 MB / 0.8575 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001659/0.6383, allocations: 0.8764 MB / 1.167 GB, free: 14.34 MB / 0.8575 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.899e-06/0.6383, allocations: 3.984 kB / 1.167 GB, free: 14.33 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.325e-06/0.6383, allocations: 4 kB / 1.167 GB, free: 14.33 MB / 0.8575 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003058/0.6386, allocations: 260.2 kB / 1.168 GB, free: 14.05 MB / 0.8575 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001205/0.6387, allocations: 12 kB / 1.168 GB, free: 14.04 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005382/0.6393, allocations: 57.77 kB / 1.168 GB, free: 13.99 MB / 0.8575 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001405/0.6394, allocations: 76.89 kB / 1.168 GB, free: 13.91 MB / 0.8575 GB Notification: Performance of postOpt createDAEmodeBDAE (simulation): time 0.001516/0.641, allocations: 0.8099 MB / 1.168 GB, free: 13.09 MB / 0.8575 GB Notification: Performance of postOpt symbolicJacobianDAE (simulation): time 0.001927/0.6429, allocations: 1.247 MB / 1.17 GB, free: 11.83 MB / 0.8575 GB Notification: Performance of postOpt setEvaluationStage (simulation): time 0.0005129/0.6434, allocations: 315.8 kB / 1.17 GB, free: 11.52 MB / 0.8575 GB Notification: Performance of sorting global known variables: time 0.0005165/0.644, allocations: 455 kB / 1.17 GB, free: 11.08 MB / 0.8575 GB Notification: Performance of Backend: time 7.21e-07/0.644, allocations: 0 / 1.17 GB, free: 11.08 MB / 0.8575 GB Notification: Performance of simCode: created initialization part: time 0.0029/0.6469, allocations: 1.141 MB / 1.172 GB, free: 10.21 MB / 0.8575 GB Notification: Performance of SimCode: time 0.002825/0.6497, allocations: 2.088 MB / 1.174 GB, free: 8.09 MB / 0.8575 GB Notification: Performance of Templates: time 0.02272/0.6724, allocations: 14.69 MB / 1.188 GB, free: 9.551 MB / 0.8732 GB make -j1 -f AixLib_AixLib.Airflow.AirCurtain.Examples.AirCurtain.makefile (rm -f AixLib_AixLib.Airflow.AirCurtain.Examples.AirCurtain.pipe ; mkfifo AixLib_AixLib.Airflow.AirCurtain.Examples.AirCurtain.pipe ; head -c 1048576 < AixLib_AixLib.Airflow.AirCurtain.Examples.AirCurtain.pipe >> ../files/AixLib_AixLib.Airflow.AirCurtain.Examples.AirCurtain.sim & ./AixLib_AixLib.Airflow.AirCurtain.Examples.AirCurtain -abortSlowSimulation -alarm=480 -lv LOG_STATS > AixLib_AixLib.Airflow.AirCurtain.Examples.AirCurtain.pipe 2>&1)