Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr AixLib_latest_AixLib.Airflow.Multizone.Validation.OneWayFlow.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo", uses=false) 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/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) 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 AixLib with version 1.3.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/package.mo) Running command: "" <> buildModelFMU(AixLib.Airflow.Multizone.Validation.OneWayFlow,fileNamePrefix="AixLib_latest_AixLib_Airflow_Multizone_Validation_OneWayFlow",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(AixLib.Airflow.Multizone.Validation.OneWayFlow,fileNamePrefix="AixLib_latest_AixLib_Airflow_Multizone_Validation_OneWayFlow",fmuType="me",version="2.0",platforms={"static"}) [:1:1-1:32:writable] Error: Class GC_set_max_heap_size not found in scope (looking for a function or record). [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/BoundaryConditions/InternalGains/Examples/InternalGains/Lights.mo:27:20-27:398:writable] Warning: Lexer treating \ as \\, since \ is not a valid Modelica escape sequence. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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-development/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. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AixLib 1.3.2-development/package.mo): time 1.683/1.683, allocations: 265 MB / 272.3 MB, free: 8.711 MB / 218.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001089/0.001089, allocations: 193.2 kB / 329.7 MB, free: 280 kB / 266.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.312/1.312, allocations: 221.3 MB / 0.5941 GB, free: 14.43 MB / 458.8 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001015/0.001015, allocations: 98.53 kB / 0.6993 GB, free: 2.562 MB / 0.5418 GB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_DeviceDrivers 2.1.1/package.mo): time 0.04808/0.04808, allocations: 11.89 MB / 0.816 GB, free: 65.46 MB / 0.5418 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo:9:42-9:258:writable] Notification: This is an open source dummy package of a commercial library. If you want it to be supported, you will need to add an implemention on our github repository: https://github.com/Modelica-OpenVendorSpecificLibraries. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/SDF master/package.mo): time 0.0003931/0.000393, allocations: 18.34 kB / 0.924 GB, free: 86.94 MB / 0.573 GB Notification: Performance of FrontEnd - loaded program: time 0.2411/0.2415, allocations: 117.8 MB / 1.039 GB, free: 9.066 MB / 0.5887 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2615/0.503, allocations: 110.2 MB / 1.147 GB, free: 10.75 MB / 0.698 GB Notification: Performance of FrontEnd - scodeFlatten: time 9.405/9.908, allocations: 4.41 GB / 5.557 GB, free: 285.2 MB / 0.9324 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002493/9.908, allocations: 90.77 kB / 5.557 GB, free: 285.1 MB / 0.9324 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 4.577/14.48, allocations: 1.403 GB / 6.96 GB, free: 117.8 MB / 0.9637 GB Notification: Performance of prepare preOptimizeDAE: time 3.444e-05/14.48, allocations: 10.88 kB / 6.96 GB, free: 117.8 MB / 0.9637 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002306/14.49, allocations: 424.2 kB / 6.961 GB, free: 117.7 MB / 0.9637 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004341/14.49, allocations: 2.026 MB / 6.963 GB, free: 117.3 MB / 0.9637 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.469e-05/14.49, allocations: 42.78 kB / 6.963 GB, free: 117.3 MB / 0.9637 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003252/14.49, allocations: 84.78 kB / 6.963 GB, free: 117.3 MB / 0.9637 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.001926/14.49, allocations: 0.887 MB / 6.964 GB, free: 117.3 MB / 0.9637 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002373/14.5, allocations: 1.394 MB / 6.965 GB, free: 116.9 MB / 0.9637 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.991e-05/14.5, allocations: 6.594 kB / 6.965 GB, free: 116.9 MB / 0.9637 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001103/14.5, allocations: 2.75 kB / 6.965 GB, free: 116.9 MB / 0.9637 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.313e-05/14.5, allocations: 59.42 kB / 6.965 GB, free: 116.9 MB / 0.9637 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.009421/14.51, allocations: 8.872 MB / 6.974 GB, free: 111.1 MB / 0.9637 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007476/14.51, allocations: 0.5942 MB / 6.974 GB, free: 111.1 MB / 0.9637 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003087/14.51, allocations: 242.3 kB / 6.975 GB, free: 111.1 MB / 0.9637 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005744/14.51, allocations: 0.7832 MB / 6.975 GB, free: 110.2 MB / 0.9637 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.963e-05/14.51, allocations: 36.44 kB / 6.975 GB, free: 110.2 MB / 0.9637 GB Notification: Performance of pre-optimization done (n=50): time 2.735e-06/14.51, allocations: 0 / 6.975 GB, free: 110.2 MB / 0.9637 GB Notification: Performance of matching and sorting (n=50): time 0.001688/14.51, allocations: 0.6932 MB / 6.976 GB, free: 110.1 MB / 0.9637 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.324e-05/14.51, allocations: 55.09 kB / 6.976 GB, free: 110 MB / 0.9637 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004788/14.51, allocations: 2.788 MB / 6.979 GB, free: 109.8 MB / 0.9637 GB Notification: Performance of collectPreVariables (initialization): time 6.917e-05/14.51, allocations: 30.58 kB / 6.979 GB, free: 109.8 MB / 0.9637 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003888/14.51, allocations: 0.6414 MB / 6.98 GB, free: 109.5 MB / 0.9637 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001567/14.51, allocations: 168.2 kB / 6.98 GB, free: 109.4 MB / 0.9637 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.355e-05/14.51, allocations: 3.562 kB / 6.98 GB, free: 109.4 MB / 0.9637 GB Notification: Performance of setup shared object (initialization): time 6.95e-05/14.51, allocations: 328.8 kB / 6.98 GB, free: 109.1 MB / 0.9637 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002647/14.52, allocations: 185.6 kB / 6.98 GB, free: 109.1 MB / 0.9637 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002952/14.52, allocations: 287.2 kB / 6.98 GB, free: 109 MB / 0.9637 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004239/14.52, allocations: 224 kB / 6.981 GB, free: 109 MB / 0.9637 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.117e-06/14.52, allocations: 0 / 6.981 GB, free: 109 MB / 0.9637 GB Notification: Performance of matching and sorting (n=58) (initialization): time 0.001221/14.52, allocations: 0.6952 MB / 6.981 GB, free: 108.9 MB / 0.9637 GB Notification: Performance of prepare postOptimizeDAE: time 1.566e-05/14.52, allocations: 7.625 kB / 6.981 GB, free: 108.9 MB / 0.9637 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.608e-06/14.52, allocations: 7.578 kB / 6.981 GB, free: 108.9 MB / 0.9637 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.249e-05/14.52, allocations: 7.203 kB / 6.981 GB, free: 108.9 MB / 0.9637 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004312/14.52, allocations: 111.7 kB / 6.981 GB, free: 108.9 MB / 0.9637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.328e-06/14.52, allocations: 12.83 kB / 6.981 GB, free: 108.9 MB / 0.9637 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001267/14.52, allocations: 100.9 kB / 6.982 GB, free: 108.9 MB / 0.9637 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.136e-05/14.52, allocations: 35.69 kB / 6.982 GB, free: 108.9 MB / 0.9637 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (58): * Single equations (assignments): 58 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001169/14.52, allocations: 120 kB / 6.982 GB, free: 108.8 MB / 0.9637 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0004644/14.52, allocations: 190.2 kB / 6.982 GB, free: 108.7 MB / 0.9637 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001596/14.52, allocations: 0.8255 MB / 6.983 GB, free: 108.6 MB / 0.9637 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.285e-06/14.52, allocations: 6.125 kB / 6.983 GB, free: 108.6 MB / 0.9637 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.041e-06/14.52, allocations: 0 / 6.983 GB, free: 108.6 MB / 0.9637 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.755e-06/14.52, allocations: 3.891 kB / 6.983 GB, free: 108.6 MB / 0.9637 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004427/14.53, allocations: 2.407 MB / 6.985 GB, free: 108.2 MB / 0.9637 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.669e-06/14.53, allocations: 3.516 kB / 6.985 GB, free: 108.2 MB / 0.9637 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004717/14.53, allocations: 111.2 kB / 6.985 GB, free: 108.2 MB / 0.9637 GB Notification: Performance of postOpt tearingSystem (simulation): time 9.167e-06/14.53, allocations: 6.5 kB / 6.985 GB, free: 108.2 MB / 0.9637 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.111e-05/14.53, allocations: 11.09 kB / 6.985 GB, free: 108.2 MB / 0.9637 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.037e-06/14.53, allocations: 3.938 kB / 6.985 GB, free: 108.2 MB / 0.9637 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.297e-06/14.53, allocations: 1.969 kB / 6.985 GB, free: 108.2 MB / 0.9637 GB Notification: Performance of postOpt detectJacobianSparsePattern (simulation): time 0.001508/14.53, allocations: 1.244 MB / 6.986 GB, free: 107.8 MB / 0.9637 GB Notification: Performance of postOpt generateSymbolicLinearization (simulation): time 0.002352/14.53, allocations: 2.143 MB / 6.989 GB, free: 107 MB / 0.9637 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001022/14.53, allocations: 0.5179 MB / 6.989 GB, free: 106.8 MB / 0.9637 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004261/14.53, allocations: 0 / 6.989 GB, free: 106.8 MB / 0.9637 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001048/14.53, allocations: 87.27 kB / 6.989 GB, free: 106.8 MB / 0.9637 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.723e-05/14.53, allocations: 35.34 kB / 6.989 GB, free: 106.8 MB / 0.9637 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.954e-05/14.53, allocations: 31.83 kB / 6.989 GB, free: 106.8 MB / 0.9637 GB Notification: Performance of sort global known variables: time 0.002938/14.54, allocations: 2.16 MB / 6.991 GB, free: 106.6 MB / 0.9637 GB Notification: Performance of remove unused functions: time 0.003774/14.54, allocations: 1.201 MB / 6.992 GB, free: 106.5 MB / 0.9637 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 8 (ela.mExc,ori.mExc,pow_1dat.mExc,pow_2dat.mExc,pow_m_flow.mExc,pow_V_flow.mExc,tabDat_m_flow.mExc,tabDat_V_flow.mExc) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (53): * Single equations (assignments): 53 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.004907/14.54, allocations: 3.833 MB / 6.996 GB, free: 105.2 MB / 0.9637 GB Notification: Performance of simCode: created initialization part: time 0.0007216/14.55, allocations: 438.8 kB / 6.997 GB, free: 105.2 MB / 0.9637 GB Notification: Performance of simCode: created event and clocks part: time 2.976e-06/14.55, allocations: 0 / 6.997 GB, free: 105.2 MB / 0.9637 GB Notification: Performance of simCode: created simulation system equations: time 0.0003287/14.55, allocations: 246.6 kB / 6.997 GB, free: 105.2 MB / 0.9637 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002247/14.55, allocations: 397.5 kB / 6.997 GB, free: 105.1 MB / 0.9637 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007416/14.56, allocations: 3.436 MB / 7.001 GB, free: 104.3 MB / 0.9637 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.002696/14.56, allocations: 1.904 MB / 7.002 GB, free: 103.6 MB / 0.9637 GB Notification: Performance of SimCode: time 1.192e-06/14.56, allocations: 0 / 7.002 GB, free: 103.6 MB / 0.9637 GB (rm -f AixLib_latest_AixLib.Airflow.Multizone.Validation.OneWayFlow.pipe ; mkfifo AixLib_latest_AixLib.Airflow.Multizone.Validation.OneWayFlow.pipe ; head -c 1048576 < AixLib_latest_AixLib.Airflow.Multizone.Validation.OneWayFlow.pipe >> ../files/AixLib_latest_AixLib.Airflow.Multizone.Validation.OneWayFlow.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_AixLib_latest_AixLib_Airflow_Multizone_Validation_OneWayFlow_fmu --startTime=0 --stopTime=500 --timeout=50 --tolerance=1e-06 AixLib_latest_AixLib_Airflow_Multizone_Validation_OneWayFlow.fmu > AixLib_latest_AixLib.Airflow.Multizone.Validation.OneWayFlow.pipe 2>&1)