Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Physiolibrary_Physiolibrary.Fluid.Examples.Windkessel_4element.conf.json 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/Physiolibrary 3.0.0-master/package.mo", uses=false) Using package Physiolibrary with version 3.0.0-beta1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0-master/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) Running command: "" <> buildModelFMU(Physiolibrary.Fluid.Examples.Windkessel_4element,fileNamePrefix="Physiolibrary_Physiolibrary_Fluid_Examples_Windkessel_4element",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Physiolibrary.Fluid.Examples.Windkessel_4element,fileNamePrefix="Physiolibrary_Physiolibrary_Fluid_Examples_Windkessel_4element",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.007363/0.007363, allocations: 169.5 kB / 15.11 MB, free: 5.973 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.452/1.452, allocations: 223.2 MB / 239 MB, free: 1.805 MB / 186.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009878/0.0009878, allocations: 99.25 kB / 290.2 MB, free: 13.95 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0-master/package.mo): time 0.2667/0.2667, allocations: 37.08 MB / 378.4 MB, free: 5.727 MB / 314.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0003919/0.0003919, allocations: 15.98 kB / 449.1 MB, free: 61.61 MB / 330.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1183/0.1187, allocations: 60.07 MB / 0.4972 GB, free: 1.477 MB / 330.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.4857/0.6044, allocations: 174.9 MB / 0.668 GB, free: 12.09 MB / 474.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.000227/0.6047, allocations: 86.02 kB / 0.6681 GB, free: 12.05 MB / 474.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0-master/Fluid.mo:660:7-660:66:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System heart.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Physiolibrary.Fluid.Sources.MassInflowSource$heart. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0-master/Fluid.mo:660:7-660:66:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System arteries.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Physiolibrary.Fluid.Components.ElasticVessel$arteries. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0-master/Fluid.mo:546:7-546:66:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System resistance.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Physiolibrary.Fluid.Components.Conductor$resistance. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0-master/Fluid.mo:660:7-660:66:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System veins.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Physiolibrary.Fluid.Sources.PressureSource. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0-master/Fluid.mo:546:7-546:66:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System impedance.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Physiolibrary.Fluid.Components.Conductor$impedance. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0-master/Fluid.mo:546:7-546:66:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System inertia.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Physiolibrary.Fluid.Components.Inertia$inertia. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0-master/Fluid.mo:915:7-915:66:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System pressureMeasure.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Physiolibrary.Fluid.Sensors.PressureMeasure. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Physiolibrary 3.0.0-master/Fluid.mo:546:7-546:66:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System flowMeasure.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Physiolibrary.Fluid.Sensors.FlowMeasure. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. Notification: Performance of FrontEnd - DAE generated: time 0.8042/1.409, allocations: 242.6 MB / 0.905 GB, free: 30.47 MB / 0.5105 GB Notification: Performance of FrontEnd: time 2.805e-06/1.409, allocations: 0 / 0.905 GB, free: 30.47 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 9.06e-05/1.409, allocations: 20 kB / 0.905 GB, free: 30.45 MB / 0.5105 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 102 * Number of variables: 102 Notification: Performance of Generate backend data structure: time 0.005633/1.415, allocations: 2.084 MB / 0.907 GB, free: 28.31 MB / 0.5105 GB Notification: Performance of prepare preOptimizeDAE: time 5.664e-05/1.415, allocations: 15.97 kB / 0.907 GB, free: 28.3 MB / 0.5105 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002476/1.415, allocations: 86.53 kB / 0.9071 GB, free: 28.2 MB / 0.5105 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002839/1.415, allocations: 94.78 kB / 0.9072 GB, free: 28.11 MB / 0.5105 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001761/1.417, allocations: 0.6989 MB / 0.9079 GB, free: 27.37 MB / 0.5105 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.39e-05/1.417, allocations: 33 kB / 0.9079 GB, free: 27.34 MB / 0.5105 GB Notification: Performance of preOpt expandDerOperator (simulation): time 9.635e-05/1.417, allocations: 43.91 kB / 0.908 GB, free: 27.29 MB / 0.5105 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009205/1.418, allocations: 0.531 MB / 0.9085 GB, free: 26.74 MB / 0.5105 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.518e-05/1.418, allocations: 0 / 0.9085 GB, free: 26.74 MB / 0.5105 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.56e-05/1.418, allocations: 19.95 kB / 0.9085 GB, free: 26.72 MB / 0.5105 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.458e-05/1.418, allocations: 8 kB / 0.9085 GB, free: 26.71 MB / 0.5105 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008644/1.419, allocations: 499.7 kB / 0.909 GB, free: 26.23 MB / 0.5105 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.003549/1.423, allocations: 2.489 MB / 0.9114 GB, free: 23.5 MB / 0.5105 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007924/1.424, allocations: 451.7 kB / 0.9118 GB, free: 23.04 MB / 0.5105 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001604/1.425, allocations: 1.13 MB / 0.913 GB, free: 21.81 MB / 0.5105 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004022/1.426, allocations: 256.5 kB / 0.9132 GB, free: 21.55 MB / 0.5105 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0004109/1.426, allocations: 55.56 kB / 0.9132 GB, free: 21.5 MB / 0.5105 GB Notification: Performance of pre-optimization done (n=40): time 3.947e-06/1.426, allocations: 0 / 0.9132 GB, free: 21.5 MB / 0.5105 GB Notification: Performance of matching and sorting (n=40): time 0.001681/1.428, allocations: 1.008 MB / 0.9142 GB, free: 20.4 MB / 0.5105 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.812e-05/1.428, allocations: 55.41 kB / 0.9143 GB, free: 20.34 MB / 0.5105 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006943/1.428, allocations: 0.6096 MB / 0.9149 GB, free: 19.71 MB / 0.5105 GB Notification: Performance of collectPreVariables (initialization): time 3.572e-05/1.429, allocations: 37.7 kB / 0.9149 GB, free: 19.67 MB / 0.5105 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002154/1.429, allocations: 384 kB / 0.9153 GB, free: 19.29 MB / 0.5105 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001094/1.429, allocations: 130.1 kB / 0.9154 GB, free: 19.16 MB / 0.5105 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.463e-05/1.429, allocations: 8 kB / 0.9154 GB, free: 19.15 MB / 0.5105 GB Notification: Performance of setup shared object (initialization): time 5.852e-05/1.429, allocations: 330 kB / 0.9157 GB, free: 18.82 MB / 0.5105 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00034/1.429, allocations: 169 kB / 0.9159 GB, free: 18.66 MB / 0.5105 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003405/1.43, allocations: 285.9 kB / 0.9162 GB, free: 18.33 MB / 0.5105 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.000352/1.43, allocations: 212.7 kB / 0.9164 GB, free: 18.13 MB / 0.5105 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.288e-06/1.43, allocations: 0 / 0.9164 GB, free: 18.13 MB / 0.5105 GB Notification: Performance of matching and sorting (n=60) (initialization): time 0.001068/1.431, allocations: 0.6362 MB / 0.917 GB, free: 17.48 MB / 0.5105 GB Notification: Performance of prepare postOptimizeDAE: time 2.02e-05/1.431, allocations: 11.95 kB / 0.917 GB, free: 17.46 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.022e-05/1.431, allocations: 4 kB / 0.917 GB, free: 17.46 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002799/1.431, allocations: 77.83 kB / 0.9171 GB, free: 17.38 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004028/1.432, allocations: 99.81 kB / 0.9172 GB, free: 17.28 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005368/1.432, allocations: 1.117 MB / 0.9183 GB, free: 16.11 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006263/1.433, allocations: 47.81 kB / 0.9183 GB, free: 16.07 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.016e-05/1.433, allocations: 20 kB / 0.9183 GB, free: 16.05 MB / 0.5105 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 8 ($whenCondition1,$PRE.pulses.T0,pulses.T0,pulses.b,$PRE.pulses.HP,pulses.HP,$PRE.pulses.TD2,pulses.TD2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (54): * Single equations (assignments): 50 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {1 1,1 3} Notification: Performance of prepare postOptimizeDAE: time 0.0003149/1.433, allocations: 212.1 kB / 0.9185 GB, free: 15.83 MB / 0.5105 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000115/1.434, allocations: 87 kB / 0.9186 GB, free: 15.75 MB / 0.5105 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001064/1.435, allocations: 0.6101 MB / 0.9192 GB, free: 15.12 MB / 0.5105 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.729e-06/1.435, allocations: 11.95 kB / 0.9192 GB, free: 15.11 MB / 0.5105 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.752e-06/1.435, allocations: 0 / 0.9192 GB, free: 15.11 MB / 0.5105 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.294e-06/1.435, allocations: 7.984 kB / 0.9192 GB, free: 15.1 MB / 0.5105 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001761/1.436, allocations: 1.238 MB / 0.9204 GB, free: 13.79 MB / 0.5105 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.058e-06/1.437, allocations: 4 kB / 0.9204 GB, free: 13.79 MB / 0.5105 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003197/1.437, allocations: 67.89 kB / 0.9205 GB, free: 13.72 MB / 0.5105 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001705/1.437, allocations: 77.7 kB / 0.9206 GB, free: 13.64 MB / 0.5105 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.805e-05/1.437, allocations: 8 kB / 0.9206 GB, free: 13.63 MB / 0.5105 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004649/1.438, allocations: 1.112 MB / 0.9217 GB, free: 12.47 MB / 0.5105 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.412e-06/1.438, allocations: 4 kB / 0.9217 GB, free: 12.46 MB / 0.5105 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001157/1.439, allocations: 0.8584 MB / 0.9225 GB, free: 11.57 MB / 0.5105 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003011/1.439, allocations: 192.1 kB / 0.9227 GB, free: 11.37 MB / 0.5105 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001263/1.439, allocations: 8 kB / 0.9227 GB, free: 11.36 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004358/1.44, allocations: 39.88 kB / 0.9227 GB, free: 11.32 MB / 0.5105 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 8.002e-05/1.44, allocations: 31.95 kB / 0.9228 GB, free: 11.29 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.445e-05/1.44, allocations: 15.98 kB / 0.9228 GB, free: 11.27 MB / 0.5105 GB Notification: Performance of sorting global known variables: time 0.0005218/1.44, allocations: 495 kB / 0.9233 GB, free: 10.79 MB / 0.5105 GB Notification: Performance of sort global known variables: time 4.21e-07/1.44, allocations: 0 / 0.9233 GB, free: 10.79 MB / 0.5105 GB Notification: Performance of remove unused functions: time 0.002801/1.443, allocations: 0.9635 MB / 0.9242 GB, free: 9.828 MB / 0.5105 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 3 (arteries.enthalpy,arteries.mass,inertia.q_in.m_flow) * Number of discrete variables: 5 (pulses.b,$whenCondition1,pulses.T0,pulses.HP,pulses.TD2) * Number of discrete states: 2 (pulses.T0,pulses.HP) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (37): * Single equations (assignments): 31 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 1 * When equations: 3 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 2 {1 3,1 1} Notification: Performance of Backend phase and start with SimCode phase: time 0.005026/1.448, allocations: 3.024 MB / 0.9272 GB, free: 6.777 MB / 0.5105 GB Notification: Performance of simCode: created initialization part: time 0.0009982/1.449, allocations: 456.5 kB / 0.9276 GB, free: 6.332 MB / 0.5105 GB Notification: Performance of simCode: created event and clocks part: time 3.327e-06/1.449, allocations: 0 / 0.9276 GB, free: 6.332 MB / 0.5105 GB Notification: Performance of simCode: created simulation system equations: time 0.0004129/1.45, allocations: 239.8 kB / 0.9278 GB, free: 6.098 MB / 0.5105 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001891/1.451, allocations: 459.5 kB / 0.9283 GB, free: 5.66 MB / 0.5105 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.2773/1.729, allocations: 6.656 MB / 0.9348 GB, free: 71.41 MB / 0.5105 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005837/1.729, allocations: 0.9519 MB / 0.9357 GB, free: 70.71 MB / 0.5105 GB Notification: Performance of simCode: alias equations: time 0.0008207/1.73, allocations: 147.8 kB / 0.9358 GB, free: 70.7 MB / 0.5105 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000494/1.731, allocations: 292.5 kB / 0.9361 GB, free: 70.7 MB / 0.5105 GB Notification: Performance of SimCode: time 1.162e-06/1.731, allocations: 0 / 0.9361 GB, free: 70.7 MB / 0.5105 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.07992/1.811, allocations: 42.87 MB / 0.978 GB, free: 68.99 MB / 0.5105 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001364/1.811, allocations: 211.2 kB / 0.9782 GB, free: 68.75 MB / 0.5105 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.378/5.189, allocations: 0 / 0.9782 GB, free: 68.75 MB / 0.5105 GB (rm -f Physiolibrary_Physiolibrary.Fluid.Examples.Windkessel_4element.pipe ; mkfifo Physiolibrary_Physiolibrary.Fluid.Examples.Windkessel_4element.pipe ; head -c 1048576 < Physiolibrary_Physiolibrary.Fluid.Examples.Windkessel_4element.pipe >> ../files/Physiolibrary_Physiolibrary.Fluid.Examples.Windkessel_4element.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Physiolibrary_Physiolibrary_Fluid_Examples_Windkessel_4element_fmu --startTime=0 --stopTime=5 --timeout=50 --tolerance=1e-06 Physiolibrary_Physiolibrary_Fluid_Examples_Windkessel_4element.fmu > Physiolibrary_Physiolibrary.Fluid.Examples.Windkessel_4element.pipe 2>&1)