Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.conf.json loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package Buildings with version 8.1.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo) Running command: translateModel(Buildings.Fluid.Movers.Validation.PumpCurveDerivatives,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives") translateModel(Buildings.Fluid.Movers.Validation.PumpCurveDerivatives,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.1.1-maint.8.1.x/package.mo): time 1.643/1.643, allocations: 297.4 MB / 312.6 MB, free: 2.941 MB / 234.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001298/0.001298, allocations: 190 kB / 382.3 MB, free: 14.82 MB / 314.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.439/1.439, allocations: 225.7 MB / 0.6617 GB, free: 7.234 MB / 490.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008564/0.0008566, allocations: 95.95 kB / 0.7789 GB, free: 46.8 MB / 0.5417 GB Notification: Performance of FrontEnd - loaded program: time 0.0003654/0.0003654, allocations: 12.73 kB / 0.9058 GB, free: 4.941 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6369/0.6373, allocations: 119.2 MB / 1.022 GB, free: 57.54 MB / 0.698 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.PumpCurveDerivatives): time 0.05751/0.6948, allocations: 77.57 MB / 1.098 GB, free: 336 kB / 0.698 GB Notification: Performance of NFInst.instExpressions: time 0.046/0.7409, allocations: 37.58 MB / 1.135 GB, free: 1.363 MB / 0.7292 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005468/0.7464, allocations: 99.81 kB / 1.135 GB, free: 1.32 MB / 0.7292 GB Notification: Performance of NFTyping.typeComponents: time 0.005305/0.7517, allocations: 1.407 MB / 1.136 GB, free: 0.5781 MB / 0.7292 GB Notification: Performance of NFTyping.typeBindings: time 0.01013/0.7619, allocations: 3.248 MB / 1.139 GB, free: 14.75 MB / 0.7448 GB Notification: Performance of NFTyping.typeClassSections: time 0.008015/0.7699, allocations: 2.649 MB / 1.142 GB, free: 13.29 MB / 0.7448 GB Notification: Performance of NFFlatten.flatten: time 0.01286/0.7828, allocations: 9.492 MB / 1.151 GB, free: 9.844 MB / 0.7448 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004525/0.7874, allocations: 2.183 MB / 1.153 GB, free: 8.934 MB / 0.7448 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006304/0.7937, allocations: 2.572 MB / 1.156 GB, free: 7.879 MB / 0.7448 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004879/0.7986, allocations: 2.19 MB / 1.158 GB, free: 6.949 MB / 0.7448 GB Notification: Performance of NFPackage.collectConstants: time 0.001197/0.7998, allocations: 133.1 kB / 1.158 GB, free: 6.949 MB / 0.7448 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006107/0.806, allocations: 1.944 MB / 1.16 GB, free: 6.395 MB / 0.7448 GB Notification: Performance of NFScalarize.scalarize: time 0.002224/0.8082, allocations: 1.091 MB / 1.161 GB, free: 5.996 MB / 0.7448 GB Notification: Performance of NFVerifyModel.verify: time 0.005268/0.8135, allocations: 1.791 MB / 1.163 GB, free: 4.906 MB / 0.7448 GB Notification: Performance of NFConvertDAE.convert: time 0.01325/0.8268, allocations: 5.8 MB / 1.168 GB, free: 3.156 MB / 0.7448 GB Notification: Performance of FrontEnd - DAE generated: time 7.063e-06/0.8268, allocations: 1.375 kB / 1.168 GB, free: 3.156 MB / 0.7448 GB Notification: Performance of FrontEnd: time 2.534e-06/0.8269, allocations: 3.938 kB / 1.168 GB, free: 3.152 MB / 0.7448 GB Notification: Performance of Transformations before backend: time 0.0002306/0.8271, allocations: 0 / 1.168 GB, free: 3.152 MB / 0.7448 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 397 * Number of variables: 397 Notification: Performance of Generate backend data structure: time 0.01233/0.8394, allocations: 4.042 MB / 1.172 GB, free: 0.8906 MB / 0.7448 GB Notification: Performance of prepare preOptimizeDAE: time 4.559e-05/0.8395, allocations: 9.531 kB / 1.172 GB, free: 0.8906 MB / 0.7448 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005917/0.8454, allocations: 0.9984 MB / 1.173 GB, free: 0.6367 MB / 0.7448 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01042/0.8559, allocations: 3.753 MB / 1.177 GB, free: 14.68 MB / 0.7605 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001172/0.8571, allocations: 342.3 kB / 1.177 GB, free: 14.59 MB / 0.7605 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.00076/0.8579, allocations: 180.9 kB / 1.178 GB, free: 14.53 MB / 0.7605 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.007749/0.8656, allocations: 2.445 MB / 1.18 GB, free: 12.8 MB / 0.7605 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.787e-05/0.8657, allocations: 4 kB / 1.18 GB, free: 12.79 MB / 0.7605 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0003275/0.866, allocations: 63.94 kB / 1.18 GB, free: 12.73 MB / 0.7605 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.811e-05/0.8661, allocations: 40 kB / 1.18 GB, free: 12.69 MB / 0.7605 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006202/0.8723, allocations: 2.027 MB / 1.182 GB, free: 10.96 MB / 0.7605 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 0.01949/0.8918, allocations: 10.57 MB / 1.192 GB, free: 15.9 MB / 0.7761 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004909/0.8968, allocations: 1.75 MB / 1.194 GB, free: 14.15 MB / 0.7761 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.002222/0.899, allocations: 0.8476 MB / 1.195 GB, free: 13.3 MB / 0.7761 GB Notification: Performance of preOpt evalFunc (simulation): time 0.007341/0.9064, allocations: 3.737 MB / 1.199 GB, free: 9.297 MB / 0.7761 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.53e-05/0.9065, allocations: 47.22 kB / 1.199 GB, free: 9.242 MB / 0.7761 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001633/0.9081, allocations: 182.6 kB / 1.199 GB, free: 9.062 MB / 0.7761 GB Notification: Performance of pre-optimization done (n=79): time 4.247e-06/0.9081, allocations: 0 / 1.199 GB, free: 9.062 MB / 0.7761 GB Notification: Performance of matching and sorting (n=79): time 0.008789/0.9169, allocations: 2.828 MB / 1.202 GB, free: 6.203 MB / 0.7761 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.233e-05/0.917, allocations: 60.06 kB / 1.202 GB, free: 6.133 MB / 0.7761 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007674/0.9247, allocations: 3.649 MB / 1.205 GB, free: 2.457 MB / 0.7761 GB Notification: Performance of collectPreVariables (initialization): time 0.0004404/0.9251, allocations: 53.7 kB / 1.205 GB, free: 2.398 MB / 0.7761 GB Notification: Performance of collectInitialEqns (initialization): time 0.001968/0.9271, allocations: 1.572 MB / 1.207 GB, free: 0.8125 MB / 0.7761 GB Notification: Performance of collectInitialBindings (initialization): time 0.0005554/0.9277, allocations: 283.9 kB / 1.207 GB, free: 0.5312 MB / 0.7761 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002219/0.9279, allocations: 35.94 kB / 1.207 GB, free: 0.4961 MB / 0.7761 GB Notification: Performance of setup shared object (initialization): time 0.000176/0.9281, allocations: 373.8 kB / 1.207 GB, free: 128 kB / 0.7761 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003059/0.9312, allocations: 1.339 MB / 1.209 GB, free: 14.79 MB / 0.7917 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003474/0.9347, allocations: 2.068 MB / 1.211 GB, free: 12.38 MB / 0.7917 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00638/0.9411, allocations: 3.327 MB / 1.214 GB, free: 8.758 MB / 0.7917 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.28e-05/0.9412, allocations: 11.92 kB / 1.214 GB, free: 8.746 MB / 0.7917 GB Notification: Performance of matching and sorting (n=205) (initialization): time 0.00903/0.9502, allocations: 3.791 MB / 1.218 GB, free: 4.941 MB / 0.7917 GB Notification: Performance of prepare postOptimizeDAE: time 0.0005071/0.9507, allocations: 0.7161 MB / 1.218 GB, free: 3.93 MB / 0.7917 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.343e-05/0.9508, allocations: 20 kB / 1.218 GB, free: 3.91 MB / 0.7917 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007795/0.9516, allocations: 312.6 kB / 1.219 GB, free: 3.602 MB / 0.7917 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002179/0.9538, allocations: 471.3 kB / 1.219 GB, free: 3.141 MB / 0.7917 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.00098/0.9548, allocations: 0.8215 MB / 1.22 GB, free: 2.293 MB / 0.7917 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004147/0.9589, allocations: 245 kB / 1.22 GB, free: 2.055 MB / 0.7917 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004054/0.9594, allocations: 136 kB / 1.22 GB, free: 1.922 MB / 0.7917 GB Notification: Performance of prepare postOptimizeDAE: time 9.037e-06/0.9594, allocations: 0 / 1.22 GB, free: 1.922 MB / 0.7917 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.00628/0.9657, allocations: 2.988 MB / 1.223 GB, free: 14.93 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.639e-05/0.9657, allocations: 20 kB / 1.223 GB, free: 14.91 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001034/0.9668, allocations: 392.8 kB / 1.224 GB, free: 14.52 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001768/0.9686, allocations: 435.4 kB / 1.224 GB, free: 14.1 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006787/0.9754, allocations: 4.493 MB / 1.228 GB, free: 9.395 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003266/0.9787, allocations: 220.4 kB / 1.229 GB, free: 9.18 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000437/0.9791, allocations: 120 kB / 1.229 GB, free: 9.062 MB / 0.8073 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 95 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (180): * Single equations (assignments): 176 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.002281/0.9814, allocations: 0.883 MB / 1.23 GB, free: 8.168 MB / 0.8073 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0009183/0.9824, allocations: 311.9 kB / 1.23 GB, free: 7.859 MB / 0.8073 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00673/0.9891, allocations: 2.452 MB / 1.232 GB, free: 5.387 MB / 0.8073 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.881e-05/0.9891, allocations: 11.98 kB / 1.232 GB, free: 5.375 MB / 0.8073 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.613e-06/0.9892, allocations: 0 / 1.232 GB, free: 5.375 MB / 0.8073 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.691e-05/0.9892, allocations: 7.984 kB / 1.232 GB, free: 5.367 MB / 0.8073 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 postOpt removeSimpleEquations (simulation): time 0.01263/1.002, allocations: 4.651 MB / 1.237 GB, free: 0.6367 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.997e-06/1.002, allocations: 3.938 kB / 1.237 GB, free: 0.6328 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001511/1.003, allocations: 291.8 kB / 1.237 GB, free: 356 kB / 0.8073 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003655/1.004, allocations: 132.8 kB / 1.237 GB, free: 220 kB / 0.8073 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001053/1.004, allocations: 35.97 kB / 1.237 GB, free: 184 kB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0006539/1.005, allocations: 0.7357 MB / 1.238 GB, free: 15.42 MB / 0.823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.232e-06/1.005, allocations: 7.938 kB / 1.238 GB, free: 15.41 MB / 0.823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.008404/1.013, allocations: 3.339 MB / 1.241 GB, free: 12.04 MB / 0.823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002044/1.015, allocations: 0.5592 MB / 1.242 GB, free: 11.45 MB / 0.823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001257/1.016, allocations: 16 kB / 1.242 GB, free: 11.44 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002863/1.019, allocations: 223.7 kB / 1.242 GB, free: 11.22 MB / 0.823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001914/1.019, allocations: 68.84 kB / 1.242 GB, free: 11.15 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001664/1.02, allocations: 55.95 kB / 1.242 GB, free: 11.1 MB / 0.823 GB Notification: Performance of sorting global known variables: time 0.005956/1.026, allocations: 2.502 MB / 1.245 GB, free: 8.582 MB / 0.823 GB Notification: Performance of sort global known variables: time 6.82e-07/1.026, allocations: 0 / 1.245 GB, free: 8.582 MB / 0.823 GB Notification: Performance of remove unused functions: time 0.007648/1.033, allocations: 1.52 MB / 1.246 GB, free: 7.059 MB / 0.823 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 3 (ddp_dm_flow.x,ddp_dNrpm.x,dm_flow_dNrpm.x) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (93): * Single equations (assignments): 84 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 8 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002192/1.035, allocations: 0.6401 MB / 1.247 GB, free: 6.418 MB / 0.823 GB Notification: Performance of simCode: created initialization part: time 0.01005/1.046, allocations: 4.172 MB / 1.251 GB, free: 2.238 MB / 0.823 GB Notification: Performance of simCode: created event and clocks part: time 7.584e-06/1.046, allocations: 0 / 1.251 GB, free: 2.238 MB / 0.823 GB Notification: Performance of simCode: created simulation system equations: time 0.002688/1.048, allocations: 0.9277 MB / 1.252 GB, free: 1.316 MB / 0.823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01002/1.058, allocations: 1.622 MB / 1.253 GB, free: 15.69 MB / 0.8386 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.015/1.073, allocations: 6.899 MB / 1.26 GB, free: 8.762 MB / 0.8386 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003069/1.076, allocations: 2.094 MB / 1.262 GB, free: 6.637 MB / 0.8386 GB Notification: Performance of simCode: alias equations: time 0.005151/1.082, allocations: 0.8163 MB / 1.263 GB, free: 5.816 MB / 0.8386 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001535/1.083, allocations: 251.3 kB / 1.263 GB, free: 5.574 MB / 0.8386 GB Notification: Performance of SimCode: time 1.754e-06/1.083, allocations: 3.938 kB / 1.263 GB, free: 5.57 MB / 0.8386 GB Notification: Performance of Templates: time 0.5356/1.619, allocations: 72.05 MB / 1.334 GB, free: 249.3 MB / 0.9011 GB make -j1 -f Buildings_8_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.makefile (rm -f Buildings_8_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.pipe ; mkfifo Buildings_8_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.pipe >> ../files/Buildings_8_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.sim & ./Buildings_8_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.pipe 2>&1)