Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.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/IBPSA 4.0.0-master/package.mo", uses=false) Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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: "" <> buildModelFMU(IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_HeatPumps_ModularReversible_Validation_ConstantCarnotEffectiveness",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_HeatPumps_ModularReversible_Validation_ConstantCarnotEffectiveness",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001257/0.001257, allocations: 102.4 kB / 16.4 MB, free: 6.508 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001213/0.001214, allocations: 192 kB / 17.34 MB, free: 5.738 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.462/1.462, allocations: 222.9 MB / 241 MB, free: 15.14 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.8775/0.8775, allocations: 126.7 MB / 417.9 MB, free: 12.31 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001872/0.001872, allocations: 66.02 kB / 0.5736 GB, free: 27.14 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1658/0.1677, allocations: 78.86 MB / 0.6506 GB, free: 3.555 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness): time 0.09062/0.2584, allocations: 81.11 MB / 0.7298 GB, free: 2.176 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.4039/0.6623, allocations: 18.91 MB / 0.7483 GB, free: 19.61 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005086/0.6674, allocations: 100.5 kB / 0.7484 GB, free: 19.61 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.003986/0.6715, allocations: 1.17 MB / 0.7495 GB, free: 19.61 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.00877/0.6803, allocations: 2.775 MB / 0.7522 GB, free: 19.61 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.005183/0.6855, allocations: 1.919 MB / 0.7541 GB, free: 19.58 MB / 0.5762 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/Fluid/HeatPumps/ModularReversible/Modular.mo:59:3-61:76:writable] Warning: Parameter heaPum.TConCoo_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=288.15) as default value. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/Fluid/HeatPumps/ModularReversible/Modular.mo:62:3-64:76:writable] Warning: Parameter heaPum.TEvaCoo_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=288.15) as default value. Notification: Performance of NFFlatten.flatten: time 0.009628/0.6951, allocations: 5.493 MB / 0.7595 GB, free: 19.58 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004895/0.7, allocations: 2.622 MB / 0.762 GB, free: 19.27 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006646/0.7067, allocations: 2.327 MB / 0.7643 GB, free: 19.15 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00369/0.7104, allocations: 1.648 MB / 0.7659 GB, free: 18.82 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0007298/0.7111, allocations: 301.4 kB / 0.7662 GB, free: 18.82 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005295/0.7164, allocations: 1.691 MB / 0.7678 GB, free: 18.79 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.000803/0.7173, allocations: 0.6919 MB / 0.7685 GB, free: 18.69 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.002402/0.7197, allocations: 1.444 MB / 0.7699 GB, free: 18.29 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.008138/0.7278, allocations: 4.839 MB / 0.7747 GB, free: 17.71 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 5.851e-06/0.7278, allocations: 0 / 0.7747 GB, free: 17.71 MB / 0.5762 GB Notification: Performance of FrontEnd: time 1.824e-06/0.7279, allocations: 0 / 0.7747 GB, free: 17.71 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 0.0001111/0.728, allocations: 5.188 kB / 0.7747 GB, free: 17.71 MB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 453 * Number of variables: 453 Notification: Performance of Generate backend data structure: time 0.007929/0.7359, allocations: 3.13 MB / 0.7777 GB, free: 16.14 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 5.872e-05/0.736, allocations: 9.031 kB / 0.7777 GB, free: 16.14 MB / 0.5762 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0004624/0.7365, allocations: 275.9 kB / 0.778 GB, free: 16.09 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001829/0.7383, allocations: 436.3 kB / 0.7784 GB, free: 15.92 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004/0.7423, allocations: 2.107 MB / 0.7805 GB, free: 15.39 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001292/0.7425, allocations: 148.3 kB / 0.7806 GB, free: 15.39 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002782/0.7427, allocations: 189.4 kB / 0.7808 GB, free: 15.39 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003551/0.7463, allocations: 1.921 MB / 0.7827 GB, free: 15.16 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.179e-05/0.7464, allocations: 0 / 0.7827 GB, free: 15.16 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001508/0.7465, allocations: 74.91 kB / 0.7827 GB, free: 15.16 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.756e-05/0.7466, allocations: 58.34 kB / 0.7828 GB, free: 15.15 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002628/0.7492, allocations: 1.436 MB / 0.7842 GB, free: 15.13 MB / 0.5762 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 0.009373/0.7586, allocations: 8.082 MB / 0.7921 GB, free: 9.066 MB / 0.5762 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001961/0.7606, allocations: 1.039 MB / 0.7931 GB, free: 8.445 MB / 0.5762 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0006259/0.7612, allocations: 364.4 kB / 0.7934 GB, free: 8.266 MB / 0.5762 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005847/0.7618, allocations: 1.156 MB / 0.7946 GB, free: 6.914 MB / 0.5762 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0008086/0.7626, allocations: 431.2 kB / 0.795 GB, free: 6.652 MB / 0.5762 GB Notification: Performance of pre-optimization done (n=67): time 3.617e-06/0.7626, allocations: 1.031 kB / 0.795 GB, free: 6.652 MB / 0.5762 GB Notification: Performance of matching and sorting (n=67): time 0.002542/0.7652, allocations: 1.141 MB / 0.7961 GB, free: 6.094 MB / 0.5762 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.024e-05/0.7652, allocations: 140.7 kB / 0.7962 GB, free: 5.93 MB / 0.5762 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/Fluid/HeatPumps/ModularReversible/Modular.mo:62:3-64:76:writable] Warning: Parameter heaPum.TEvaCoo_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=288.15) as default value. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/Fluid/HeatPumps/ModularReversible/Modular.mo:59:3-61:76:writable] Warning: Parameter heaPum.TConCoo_nominal has no value, and is fixed during initialization (fixed=true), using available start value (start=288.15) as default value. Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002277/0.7675, allocations: 1.782 MB / 0.798 GB, free: 4.934 MB / 0.5762 GB Notification: Performance of collectPreVariables (initialization): time 0.0001119/0.7677, allocations: 45.64 kB / 0.798 GB, free: 4.891 MB / 0.5762 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007961/0.7685, allocations: 1.125 MB / 0.7991 GB, free: 3.906 MB / 0.5762 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002188/0.7687, allocations: 243.3 kB / 0.7993 GB, free: 3.703 MB / 0.5762 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003/0.769, allocations: 219.5 kB / 0.7996 GB, free: 3.574 MB / 0.5762 GB Notification: Performance of setup shared object (initialization): time 7.073e-05/0.7691, allocations: 344.5 kB / 0.7999 GB, free: 3.242 MB / 0.5762 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006677/0.7697, allocations: 363.5 kB / 0.8002 GB, free: 3.066 MB / 0.5762 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0008784/0.7706, allocations: 0.6916 MB / 0.8009 GB, free: 2.473 MB / 0.5762 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001421/0.7721, allocations: 1.002 MB / 0.8019 GB, free: 1.789 MB / 0.5762 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.792e-06/0.7721, allocations: 2.531 kB / 0.8019 GB, free: 1.789 MB / 0.5762 GB Notification: Performance of matching and sorting (n=122) (initialization): time 0.002343/0.7744, allocations: 1.26 MB / 0.8031 GB, free: 1.215 MB / 0.5762 GB Notification: Performance of prepare postOptimizeDAE: time 2.438e-05/0.7745, allocations: 8.719 kB / 0.8031 GB, free: 1.215 MB / 0.5762 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.344e-05/0.7745, allocations: 8.062 kB / 0.8031 GB, free: 1.215 MB / 0.5762 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.693e-05/0.7745, allocations: 13.25 kB / 0.8031 GB, free: 1.215 MB / 0.5762 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007275/0.7752, allocations: 226.3 kB / 0.8034 GB, free: 1.176 MB / 0.5762 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.724e-05/0.7753, allocations: 20.91 kB / 0.8034 GB, free: 1.172 MB / 0.5762 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001404/0.7767, allocations: 158.1 kB / 0.8035 GB, free: 1.07 MB / 0.5762 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.459e-05/0.7768, allocations: 53.14 kB / 0.8036 GB, free: 1.055 MB / 0.5762 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 37 * Number of states: 0 () * Number of discrete variables: 10 ($PRE.tabMea.nextTimeEvent,$whenCondition1,heaPum.conHea.y,tabMea.nextTimeEventScaled,$PRE.tabMea.nextTimeEventScaled,tabMea.nextTimeEvent,heaPum.eff.hys.y,$PRE.heaPum.eff.hys.y,heaPum.hys.y,$PRE.heaPum.hys.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (122): * Single equations (assignments): 122 * Array equations: 0 * Algorithm blocks: 0 * 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 0.001/0.7778, allocations: 0.4982 MB / 0.8041 GB, free: 0.7148 MB / 0.5762 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003288/0.7781, allocations: 207.2 kB / 0.8043 GB, free: 0.6016 MB / 0.5762 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001902/0.78, allocations: 1.04 MB / 0.8053 GB, free: 68 kB / 0.5762 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.747e-05/0.7801, allocations: 12.05 kB / 0.8053 GB, free: 64 kB / 0.5762 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.593e-06/0.7801, allocations: 0 / 0.8053 GB, free: 64 kB / 0.5762 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001524/0.7816, allocations: 0.8554 MB / 0.8061 GB, free: 15.59 MB / 0.5919 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004877/0.7865, allocations: 2.857 MB / 0.8089 GB, free: 13.69 MB / 0.5919 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.919e-06/0.7865, allocations: 2.844 kB / 0.8089 GB, free: 13.69 MB / 0.5919 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006092/0.7871, allocations: 143.6 kB / 0.8091 GB, free: 13.66 MB / 0.5919 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.324e-06/0.7871, allocations: 5.5 kB / 0.8091 GB, free: 13.66 MB / 0.5919 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.24e-05/0.7872, allocations: 30.83 kB / 0.8091 GB, free: 13.64 MB / 0.5919 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 7.975e-06/0.7872, allocations: 6.828 kB / 0.8091 GB, free: 13.63 MB / 0.5919 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.176e-06/0.7872, allocations: 2.5 kB / 0.8091 GB, free: 13.63 MB / 0.5919 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002884/0.7901, allocations: 1.531 MB / 0.8106 GB, free: 12.76 MB / 0.5919 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0008089/0.7909, allocations: 380.4 kB / 0.811 GB, free: 12.44 MB / 0.5919 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00025/0.7912, allocations: 30.52 kB / 0.811 GB, free: 12.42 MB / 0.5919 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008077/0.792, allocations: 60.39 kB / 0.811 GB, free: 12.39 MB / 0.5919 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001458/0.7922, allocations: 61.7 kB / 0.8111 GB, free: 12.34 MB / 0.5919 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.877e-05/0.7923, allocations: 35.97 kB / 0.8111 GB, free: 12.3 MB / 0.5919 GB Notification: Performance of sorting global known variables: time 0.001899/0.7942, allocations: 1.206 MB / 0.8123 GB, free: 11.07 MB / 0.5919 GB Notification: Performance of sort global known variables: time 1.6e-07/0.7942, allocations: 0 / 0.8123 GB, free: 11.07 MB / 0.5919 GB Notification: Performance of remove unused functions: time 0.002011/0.7962, allocations: 0.6504 MB / 0.813 GB, free: 10.42 MB / 0.5919 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 6 (heaPum.con.vol.dynBal.U,heaPum.eva.vol.dynBal.U,heaPum.refCycIneCon.criDam.x[1],heaPum.refCycIneCon.criDam.x[2],heaPum.refCycIneEva.criDam.x[1],heaPum.refCycIneEva.criDam.x[2]) * Number of discrete variables: 5 ($whenCondition1,heaPum.hys.y,heaPum.eff.hys.y,tabMea.nextTimeEvent,tabMea.nextTimeEventScaled) * Number of discrete states: 4 (tabMea.nextTimeEvent,tabMea.nextTimeEventScaled,heaPum.hys.y,heaPum.eff.hys.y) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (73): * Single equations (assignments): 65 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 6 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.005654/0.8019, allocations: 2.881 MB / 0.8158 GB, free: 7.758 MB / 0.5919 GB Notification: Performance of simCode: created initialization part: time 0.002069/0.8039, allocations: 0.8889 MB / 0.8166 GB, free: 6.902 MB / 0.5919 GB Notification: Performance of simCode: created event and clocks part: time 5.34e-06/0.804, allocations: 0 / 0.8166 GB, free: 6.902 MB / 0.5919 GB Notification: Performance of simCode: created simulation system equations: time 0.0008544/0.8048, allocations: 425.7 kB / 0.817 GB, free: 6.508 MB / 0.5919 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004322/0.8092, allocations: 0.8575 MB / 0.8179 GB, free: 5.672 MB / 0.5919 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02261/0.8318, allocations: 13.37 MB / 0.8309 GB, free: 8.012 MB / 0.6075 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001224/0.8331, allocations: 1.509 MB / 0.8324 GB, free: 6.473 MB / 0.6075 GB Notification: Performance of simCode: alias equations: time 0.001433/0.8345, allocations: 364 kB / 0.8328 GB, free: 6.125 MB / 0.6075 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001224/0.8357, allocations: 0.9093 MB / 0.8336 GB, free: 5.215 MB / 0.6075 GB Notification: Performance of SimCode: time 5.52e-07/0.8357, allocations: 0 / 0.8336 GB, free: 5.215 MB / 0.6075 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1029/0.9387, allocations: 53.35 MB / 0.8857 GB, free: 0.5195 MB / 0.6544 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.16/12.1, allocations: 11.88 kB / 0.8858 GB, free: 0.5078 MB / 0.6544 GB (rm -f IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness_res.csv --start-time 0 --stop-time 14365 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 5.746 IBPSA_latest_IBPSA_Fluid_HeatPumps_ModularReversible_Validation_ConstantCarnotEffectiveness.fmu > IBPSA_latest_IBPSA.Fluid.HeatPumps.ModularReversible.Validation.ConstantCarnotEffectiveness.pipe 2>&1)