Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Fluid_HeatExchangers_Examples_DryCoilEffectivenessNTUMassFlow",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow,fileNamePrefix="Buildings_maint_7_0_x_Buildings_Fluid_HeatExchangers_Examples_DryCoilEffectivenessNTUMassFlow",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.415/1.415, allocations: 251.9 MB / 266.9 MB, free: 11.07 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001169/0.001169, allocations: 183.6 kB / 326.5 MB, free: 2.254 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.868/1.868, allocations: 205.4 MB / 0.5775 GB, free: 20.29 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001171/0.001171, allocations: 95.5 kB / 0.6821 GB, free: 12.9 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0005141/0.0005142, allocations: 12.86 kB / 0.7963 GB, free: 135.2 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.276/0.2766, allocations: 106.3 MB / 0.9001 GB, free: 63.86 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow): time 0.8255/1.102, allocations: 172.4 MB / 1.068 GB, free: 3.742 MB / 0.698 GB Notification: Performance of NFInst.instExpressions: time 0.02127/1.123, allocations: 11.93 MB / 1.08 GB, free: 3.59 MB / 0.698 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003201/1.127, allocations: 42.44 kB / 1.08 GB, free: 3.59 MB / 0.698 GB Notification: Performance of NFTyping.typeComponents: time 0.003875/1.131, allocations: 0.7068 MB / 1.081 GB, free: 3.586 MB / 0.698 GB Notification: Performance of NFTyping.typeBindings: time 0.01063/1.141, allocations: 2.018 MB / 1.083 GB, free: 3.562 MB / 0.698 GB Notification: Performance of NFTyping.typeClassSections: time 0.007568/1.149, allocations: 1.723 MB / 1.085 GB, free: 3.523 MB / 0.698 GB Notification: Performance of NFFlatten.flatten: time 0.005882/1.155, allocations: 1.907 MB / 1.086 GB, free: 3.512 MB / 0.698 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002069/1.157, allocations: 0.8967 MB / 1.087 GB, free: 3.387 MB / 0.698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004317/1.161, allocations: 1.35 MB / 1.089 GB, free: 3.383 MB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002035/1.163, allocations: 0.7516 MB / 1.089 GB, free: 3.379 MB / 0.698 GB Notification: Performance of NFPackage.collectConstants: time 0.0002216/1.164, allocations: 54.88 kB / 1.089 GB, free: 3.379 MB / 0.698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006306/1.17, allocations: 2.033 MB / 1.091 GB, free: 3.379 MB / 0.698 GB Notification: Performance of NFScalarize.scalarize: time 0.0006086/1.171, allocations: 315.9 kB / 1.092 GB, free: 3.379 MB / 0.698 GB Notification: Performance of NFVerifyModel.verify: time 0.001148/1.172, allocations: 308.7 kB / 1.092 GB, free: 19.35 MB / 0.7136 GB Notification: Performance of NFConvertDAE.convert: time 0.004615/1.176, allocations: 2.034 MB / 1.094 GB, free: 19.17 MB / 0.7136 GB Notification: Performance of FrontEnd - DAE generated: time 3.737e-06/1.176, allocations: 0 / 1.094 GB, free: 19.17 MB / 0.7136 GB Notification: Performance of FrontEnd: time 2.375e-06/1.176, allocations: 0 / 1.094 GB, free: 19.17 MB / 0.7136 GB Notification: Performance of Transformations before backend: time 3.448e-05/1.176, allocations: 0 / 1.094 GB, free: 19.17 MB / 0.7136 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 229 * Number of variables: 229 Notification: Performance of Generate backend data structure: time 0.004602/1.181, allocations: 1.804 MB / 1.096 GB, free: 18.12 MB / 0.7136 GB Notification: Performance of prepare preOptimizeDAE: time 4.791e-05/1.181, allocations: 9.406 kB / 1.096 GB, free: 18.12 MB / 0.7136 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002057/1.181, allocations: 148.1 kB / 1.096 GB, free: 18.08 MB / 0.7136 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003017/1.184, allocations: 0.5669 MB / 1.096 GB, free: 17.97 MB / 0.7136 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002327/1.187, allocations: 1.015 MB / 1.097 GB, free: 17.63 MB / 0.7136 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000622/1.187, allocations: 205.4 kB / 1.098 GB, free: 17.62 MB / 0.7136 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001834/1.187, allocations: 102.8 kB / 1.098 GB, free: 17.61 MB / 0.7136 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002598/1.19, allocations: 1.273 MB / 1.099 GB, free: 17.5 MB / 0.7136 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.218e-05/1.19, allocations: 3.281 kB / 1.099 GB, free: 17.5 MB / 0.7136 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001011/1.19, allocations: 34.59 kB / 1.099 GB, free: 17.5 MB / 0.7136 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.164e-05/1.19, allocations: 41.44 kB / 1.099 GB, free: 17.5 MB / 0.7136 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00306/1.193, allocations: 1.32 MB / 1.1 GB, free: 17.47 MB / 0.7136 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 0.008855/1.202, allocations: 4.923 MB / 1.105 GB, free: 15.41 MB / 0.7136 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002726/1.205, allocations: 1.068 MB / 1.106 GB, free: 15.36 MB / 0.7136 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001128/1.206, allocations: 0.689 MB / 1.107 GB, free: 14.69 MB / 0.7136 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001509/1.208, allocations: 0.7348 MB / 1.108 GB, free: 14.54 MB / 0.7136 GB Notification: Performance of pre-optimization done (n=85): time 4.198e-06/1.208, allocations: 0 / 1.108 GB, free: 14.54 MB / 0.7136 GB Notification: Performance of matching and sorting (n=85): time 0.004487/1.212, allocations: 1.949 MB / 1.109 GB, free: 14.13 MB / 0.7136 GB Notification: Performance of inlineWhenForInitialization (initialization): time 9.946e-05/1.212, allocations: 148.4 kB / 1.11 GB, free: 13.98 MB / 0.7136 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001484/1.214, allocations: 1.031 MB / 1.111 GB, free: 13.82 MB / 0.7136 GB Notification: Performance of collectPreVariables (initialization): time 0.000176/1.214, allocations: 45.92 kB / 1.111 GB, free: 13.79 MB / 0.7136 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004357/1.214, allocations: 0.5301 MB / 1.111 GB, free: 13.59 MB / 0.7136 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002431/1.215, allocations: 276.1 kB / 1.111 GB, free: 13.42 MB / 0.7136 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.11e-05/1.215, allocations: 17.34 kB / 1.111 GB, free: 13.42 MB / 0.7136 GB Notification: Performance of setup shared object (initialization): time 0.0001487/1.215, allocations: 347.6 kB / 1.112 GB, free: 13.11 MB / 0.7136 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001192/1.216, allocations: 0.5083 MB / 1.112 GB, free: 13.1 MB / 0.7136 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001299/1.217, allocations: 0.7011 MB / 1.113 GB, free: 12.91 MB / 0.7136 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001252/1.219, allocations: 0.6047 MB / 1.114 GB, free: 12.82 MB / 0.7136 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.943e-06/1.219, allocations: 3.031 kB / 1.114 GB, free: 12.82 MB / 0.7136 GB Notification: Performance of matching and sorting (n=119) (initialization): time 0.00341/1.222, allocations: 1.494 MB / 1.115 GB, free: 12.62 MB / 0.7136 GB Notification: Performance of prepare postOptimizeDAE: time 0.0005558/1.223, allocations: 1.121 MB / 1.116 GB, free: 11.46 MB / 0.7136 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.085e-05/1.223, allocations: 6.812 kB / 1.116 GB, free: 11.45 MB / 0.7136 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.786e-05/1.223, allocations: 12.8 kB / 1.116 GB, free: 11.45 MB / 0.7136 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001283/1.224, allocations: 266.2 kB / 1.116 GB, free: 11.44 MB / 0.7136 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.99e-05/1.224, allocations: 13.78 kB / 1.116 GB, free: 11.44 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001756/1.226, allocations: 199.6 kB / 1.117 GB, free: 11.39 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001265/1.226, allocations: 46.59 kB / 1.117 GB, free: 11.39 MB / 0.7136 GB Notification: Performance of prepare postOptimizeDAE: time 1.52e-05/1.226, allocations: 7.625 kB / 1.117 GB, free: 11.38 MB / 0.7136 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.003127/1.229, allocations: 1.415 MB / 1.118 GB, free: 11.27 MB / 0.7136 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.283e-06/1.229, allocations: 2.031 kB / 1.118 GB, free: 11.27 MB / 0.7136 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.157e-05/1.229, allocations: 8.781 kB / 1.118 GB, free: 11.27 MB / 0.7136 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001404/1.231, allocations: 269.5 kB / 1.118 GB, free: 11.26 MB / 0.7136 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.142e-05/1.231, allocations: 11.72 kB / 1.118 GB, free: 11.25 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001627/1.232, allocations: 190.8 kB / 1.118 GB, free: 11.2 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001027/1.232, allocations: 45.95 kB / 1.118 GB, free: 11.2 MB / 0.7136 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 12 * Number of states: 0 () * Number of discrete variables: 16 ($whenCondition1,$whenCondition2,mWatGai.a,mWatGai.b,mWatGai.last,$PRE.mWatGai.nextEvent,mWatGai.nextEvent,mWatGai.nextEventScaled,mAirGai.a,mAirGai.b,mAirGai.last,$PRE.mAirGai.nextEvent,mAirGai.nextEvent,mAirGai.nextEventScaled,hex.flowRegime,hex.flowRegime_nominal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (109): * Single equations (assignments): 107 * Array equations: 0 * Algorithm blocks: 2 * 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 0.0009344/1.233, allocations: 470.8 kB / 1.119 GB, free: 10.95 MB / 0.7136 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002834/1.234, allocations: 130 kB / 1.119 GB, free: 10.88 MB / 0.7136 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003653/1.237, allocations: 1.51 MB / 1.121 GB, free: 10.7 MB / 0.7136 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.728e-05/1.237, allocations: 8.75 kB / 1.121 GB, free: 10.7 MB / 0.7136 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.977e-06/1.237, allocations: 0.5312 kB / 1.121 GB, free: 10.7 MB / 0.7136 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.341e-05/1.237, allocations: 5.047 kB / 1.121 GB, free: 10.7 MB / 0.7136 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006551/1.244, allocations: 3.047 MB / 1.124 GB, free: 9.59 MB / 0.7136 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.727e-06/1.244, allocations: 5.375 kB / 1.124 GB, free: 9.59 MB / 0.7136 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009375/1.245, allocations: 203.1 kB / 1.124 GB, free: 9.547 MB / 0.7136 GB Notification: Performance of postOpt tearingSystem (simulation): time 1.339e-05/1.245, allocations: 8.312 kB / 1.124 GB, free: 9.547 MB / 0.7136 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.05e-05/1.245, allocations: 35.03 kB / 1.124 GB, free: 9.539 MB / 0.7136 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.246e-05/1.245, allocations: 15.81 kB / 1.124 GB, free: 9.535 MB / 0.7136 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.959e-06/1.245, allocations: 2.469 kB / 1.124 GB, free: 9.535 MB / 0.7136 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004757/1.25, allocations: 2.468 MB / 1.126 GB, free: 8.617 MB / 0.7136 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009986/1.251, allocations: 346.8 kB / 1.127 GB, free: 8.395 MB / 0.7136 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000204/1.251, allocations: 29.05 kB / 1.127 GB, free: 8.391 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001165/1.252, allocations: 128.7 kB / 1.127 GB, free: 8.352 MB / 0.7136 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001445/1.252, allocations: 63.25 kB / 1.127 GB, free: 8.328 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.205e-05/1.252, allocations: 42.44 kB / 1.127 GB, free: 8.32 MB / 0.7136 GB Notification: Performance of sorting global known variables: time 0.001175/1.254, allocations: 0.7022 MB / 1.127 GB, free: 8.102 MB / 0.7136 GB Notification: Performance of sort global known variables: time 8.62e-07/1.254, allocations: 0 / 1.127 GB, free: 8.102 MB / 0.7136 GB Notification: Performance of remove unused functions: time 0.00263/1.256, allocations: 0.791 MB / 1.128 GB, free: 7.988 MB / 0.7136 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 14 * Number of states: 1 (senRelHum.phi) * Number of discrete variables: 13 ($whenCondition1,$whenCondition2,mWatGai.a,mWatGai.b,mWatGai.last,mWatGai.nextEvent,mWatGai.nextEventScaled,mAirGai.a,mAirGai.b,mAirGai.last,mAirGai.nextEvent,mAirGai.nextEventScaled,hex.flowRegime) * Number of discrete states: 12 (mAirGai.nextEvent,mAirGai.last,mAirGai.nextEventScaled,mAirGai.b,mAirGai.a,$whenCondition2,mWatGai.nextEvent,mWatGai.last,mWatGai.nextEventScaled,mWatGai.b,mWatGai.a,$whenCondition1) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (83): * Single equations (assignments): 79 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 2 * 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 0.006652/1.263, allocations: 4.298 MB / 1.132 GB, free: 5.562 MB / 0.7136 GB Notification: Performance of simCode: created initialization part: time 0.004939/1.268, allocations: 2.262 MB / 1.135 GB, free: 4.984 MB / 0.7136 GB Notification: Performance of simCode: created event and clocks part: time 9.758e-06/1.268, allocations: 0 / 1.135 GB, free: 4.984 MB / 0.7136 GB Notification: Performance of simCode: created simulation system equations: time 0.001483/1.269, allocations: 0.789 MB / 1.135 GB, free: 4.754 MB / 0.7136 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002893/1.272, allocations: 0.5076 MB / 1.136 GB, free: 4.578 MB / 0.7136 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007623/1.28, allocations: 5.181 MB / 1.141 GB, free: 0.8359 MB / 0.7136 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008431/1.281, allocations: 1.18 MB / 1.142 GB, free: 15.93 MB / 0.7292 GB Notification: Performance of simCode: alias equations: time 0.001949/1.283, allocations: 361.3 kB / 1.142 GB, free: 15.76 MB / 0.7292 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007052/1.284, allocations: 0.4933 MB / 1.143 GB, free: 15.71 MB / 0.7292 GB Notification: Performance of SimCode: time 1.133e-06/1.284, allocations: 0 / 1.143 GB, free: 15.71 MB / 0.7292 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0699/1.353, allocations: 35.37 MB / 1.177 GB, free: 0.9648 MB / 0.7448 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002508/1.354, allocations: 256.7 kB / 1.178 GB, free: 0.6289 MB / 0.7448 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.35/4.703, allocations: 0 / 1.178 GB, free: 0.6289 MB / 0.7448 GB (rm -f Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_7_0_x_Buildings_Fluid_HeatExchangers_Examples_DryCoilEffectivenessNTUMassFlow_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 Buildings_maint_7_0_x_Buildings_Fluid_HeatExchangers_Examples_DryCoilEffectivenessNTUMassFlow.fmu > Buildings_maint.7.0.x_Buildings.Fluid.HeatExchangers.Examples.DryCoilEffectivenessNTUMassFlow.pipe 2>&1)