Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent.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/Buildings 12.0.0-master/package.mo", uses=false) Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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: translateModel(Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent") translateModel(Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001702/0.001702, allocations: 115.3 kB / 15.34 MB, free: 0.5156 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002189/0.002189, allocations: 191.3 kB / 16.25 MB, free: 6.629 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.412/1.412, allocations: 222.9 MB / 239.9 MB, free: 4.543 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 2.785/2.785, allocations: 472.6 MB / 0.7448 GB, free: 4.891 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.002335/0.002335, allocations: 63.95 kB / 0.9115 GB, free: 33.57 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3253/0.3276, allocations: 159.9 MB / 1.068 GB, free: 10.82 MB / 0.8262 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent): time 0.2022/0.5299, allocations: 181.7 MB / 1.245 GB, free: 4.43 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.7021/1.232, allocations: 10.34 MB / 1.255 GB, free: 5.543 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002106/1.234, allocations: 28.56 kB / 1.255 GB, free: 5.543 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.001466/1.236, allocations: 385.9 kB / 1.256 GB, free: 5.543 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.004208/1.24, allocations: 1.228 MB / 1.257 GB, free: 5.531 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.00476/1.245, allocations: 1.61 MB / 1.258 GB, free: 5.492 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.003779/1.249, allocations: 2.595 MB / 1.261 GB, free: 5.492 MB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001877/1.25, allocations: 1.095 MB / 1.262 GB, free: 5.426 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002842/1.253, allocations: 1.278 MB / 1.263 GB, free: 5.422 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00169/1.255, allocations: 1.287 MB / 1.265 GB, free: 5.418 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 0.0002856/1.255, allocations: 170 kB / 1.265 GB, free: 5.418 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003162/1.259, allocations: 1.551 MB / 1.266 GB, free: 5.402 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.0006874/1.259, allocations: 0.5844 MB / 1.267 GB, free: 5.402 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.001179/1.26, allocations: 0.8481 MB / 1.268 GB, free: 5.402 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.004568/1.265, allocations: 2.706 MB / 1.27 GB, free: 5.258 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 5.37e-06/1.265, allocations: 0 / 1.27 GB, free: 5.258 MB / 0.9981 GB Notification: Performance of FrontEnd: time 2.785e-06/1.265, allocations: 2.469 kB / 1.27 GB, free: 5.258 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 5.704e-05/1.265, allocations: 4.344 kB / 1.27 GB, free: 5.258 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 174 * Number of variables: 174 Notification: Performance of Generate backend data structure: time 0.007204/1.272, allocations: 2.233 MB / 1.272 GB, free: 20.26 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 4.615e-05/1.272, allocations: 10.72 kB / 1.272 GB, free: 20.26 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001332/1.274, allocations: 234.4 kB / 1.273 GB, free: 20.18 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002535/1.276, allocations: 1.391 MB / 1.274 GB, free: 19.79 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.692e-05/1.276, allocations: 61.84 kB / 1.274 GB, free: 19.79 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002013/1.277, allocations: 91.22 kB / 1.274 GB, free: 19.79 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001854/1.278, allocations: 0.9931 MB / 1.275 GB, free: 19.58 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.3e-05/1.278, allocations: 5.141 kB / 1.275 GB, free: 19.58 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.035e-05/1.279, allocations: 31.91 kB / 1.275 GB, free: 19.58 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.008e-05/1.279, allocations: 19.31 kB / 1.275 GB, free: 19.58 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002257/1.281, allocations: 0.8823 MB / 1.276 GB, free: 19.57 MB / 1.014 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 0.007183/1.288, allocations: 4.797 MB / 1.281 GB, free: 17.22 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001447/1.289, allocations: 0.7503 MB / 1.281 GB, free: 17.2 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007291/1.29, allocations: 417.2 kB / 1.282 GB, free: 17.18 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.000425/1.291, allocations: 278 kB / 1.282 GB, free: 16.9 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.824e-05/1.291, allocations: 41.19 kB / 1.282 GB, free: 16.86 MB / 1.014 GB Notification: Performance of pre-optimization done (n=50): time 2.024e-06/1.291, allocations: 1.531 kB / 1.282 GB, free: 16.86 MB / 1.014 GB Notification: Performance of matching and sorting (n=50): time 0.005223/1.296, allocations: 1.571 MB / 1.284 GB, free: 16.65 MB / 1.014 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.126e-05/1.296, allocations: 60.41 kB / 1.284 GB, free: 16.59 MB / 1.014 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002756/1.299, allocations: 1.84 MB / 1.286 GB, free: 16.41 MB / 1.014 GB Notification: Performance of collectPreVariables (initialization): time 0.0002725/1.299, allocations: 48.44 kB / 1.286 GB, free: 16.38 MB / 1.014 GB Notification: Performance of collectInitialEqns (initialization): time 0.000428/1.299, allocations: 0.5797 MB / 1.286 GB, free: 16.19 MB / 1.014 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001223/1.3, allocations: 174.4 kB / 1.286 GB, free: 16.08 MB / 1.014 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004524/1.3, allocations: 218.4 kB / 1.287 GB, free: 16.06 MB / 1.014 GB Notification: Performance of setup shared object (initialization): time 0.0001354/1.3, allocations: 343 kB / 1.287 GB, free: 15.75 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001621/1.302, allocations: 0.9557 MB / 1.288 GB, free: 15.75 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001806/1.304, allocations: 1.293 MB / 1.289 GB, free: 15.39 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002322/1.306, allocations: 1.53 MB / 1.291 GB, free: 15.21 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.661e-06/1.306, allocations: 3.219 kB / 1.291 GB, free: 15.21 MB / 1.014 GB Notification: Performance of matching and sorting (n=121) (initialization): time 0.004218/1.31, allocations: 2.173 MB / 1.293 GB, free: 15.09 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 2.359e-05/1.31, allocations: 7.875 kB / 1.293 GB, free: 15.09 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.933e-05/1.31, allocations: 6.094 kB / 1.293 GB, free: 15.09 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009022/1.311, allocations: 156.5 kB / 1.293 GB, free: 15.07 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00108/1.312, allocations: 168.8 kB / 1.293 GB, free: 15.07 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001132/1.313, allocations: 1.319 MB / 1.294 GB, free: 13.96 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00195/1.315, allocations: 216.6 kB / 1.294 GB, free: 13.9 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001188/1.316, allocations: 30.89 kB / 1.295 GB, free: 13.9 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002034/1.318, allocations: 1.188 MB / 1.296 GB, free: 13.82 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001742/1.319, allocations: 1.291 MB / 1.297 GB, free: 13.45 MB / 1.014 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002229/1.322, allocations: 1.507 MB / 1.298 GB, free: 13.26 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.069e-06/1.322, allocations: 1.906 kB / 1.298 GB, free: 13.26 MB / 1.014 GB Notification: Performance of matching and sorting (n=121) (initialization_lambda0): time 0.003948/1.326, allocations: 2.099 MB / 1.3 GB, free: 13.14 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 1.692e-05/1.326, allocations: 7.719 kB / 1.3 GB, free: 13.14 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.593e-05/1.326, allocations: 10.81 kB / 1.3 GB, free: 13.13 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.013e-05/1.326, allocations: 10.66 kB / 1.3 GB, free: 13.13 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009863/1.327, allocations: 176.1 kB / 1.301 GB, free: 13.13 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.361e-05/1.327, allocations: 13.03 kB / 1.301 GB, free: 13.13 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002224/1.329, allocations: 210.1 kB / 1.301 GB, free: 13.09 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001116/1.329, allocations: 33.2 kB / 1.301 GB, free: 13.09 MB / 1.014 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 21 * Number of states: 0 () * Number of discrete variables: 14 (damPreInd.idx_sorted[13],damPreInd.idx_sorted[12],damPreInd.idx_sorted[11],damPreInd.idx_sorted[10],damPreInd.idx_sorted[9],damPreInd.idx_sorted[8],damPreInd.idx_sorted[7],damPreInd.idx_sorted[6],damPreInd.idx_sorted[5],damPreInd.idx_sorted[4],damPreInd.idx_sorted[3],damPreInd.idx_sorted[2],damPreInd.idx_sorted[1],conPID.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (74): * Single equations (assignments): 70 * Array equations: 1 * Algorithm blocks: 0 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems 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 {(1,10)} Notification: Performance of prepare postOptimizeDAE: time 0.0004059/1.329, allocations: 230.7 kB / 1.301 GB, free: 12.91 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003448/1.33, allocations: 134.1 kB / 1.301 GB, free: 12.84 MB / 1.014 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002218/1.332, allocations: 1.018 MB / 1.302 GB, free: 12.75 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.224e-06/1.332, allocations: 6.531 kB / 1.302 GB, free: 12.75 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.695e-06/1.332, allocations: 0 / 1.302 GB, free: 12.75 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.864e-06/1.332, allocations: 4 kB / 1.302 GB, free: 12.75 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004478/1.336, allocations: 2.251 MB / 1.304 GB, free: 12.34 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.542e-06/1.336, allocations: 5.125 kB / 1.304 GB, free: 12.34 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005694/1.337, allocations: 111.8 kB / 1.305 GB, free: 12.34 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006636/1.338, allocations: 135.4 kB / 1.305 GB, free: 12.33 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.648e-05/1.338, allocations: 18.14 kB / 1.305 GB, free: 12.33 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001165/1.339, allocations: 1.31 MB / 1.306 GB, free: 11.22 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.41e-06/1.339, allocations: 3.594 kB / 1.306 GB, free: 11.22 MB / 1.014 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002845/1.342, allocations: 1.593 MB / 1.308 GB, free: 10.92 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0006973/1.343, allocations: 320.4 kB / 1.308 GB, free: 10.75 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003966/1.343, allocations: 15.36 kB / 1.308 GB, free: 10.75 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001389/1.344, allocations: 86.62 kB / 1.308 GB, free: 10.74 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001336/1.345, allocations: 49.86 kB / 1.308 GB, free: 10.74 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.048e-05/1.345, allocations: 20.06 kB / 1.308 GB, free: 10.74 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.002151/1.347, allocations: 1.319 MB / 1.309 GB, free: 10.62 MB / 1.014 GB Notification: Performance of sort global known variables: time 2.91e-07/1.347, allocations: 0 / 1.309 GB, free: 10.62 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.002674/1.349, allocations: 0.6757 MB / 1.31 GB, free: 10.55 MB / 1.014 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 2 (conPID.I.y,conPID.D.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 (44): * Single equations (assignments): 42 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems 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 {(1,11)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001223/1.351, allocations: 334.9 kB / 1.31 GB, free: 10.42 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.00513/1.356, allocations: 2.772 MB / 1.313 GB, free: 10.32 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 4.468e-06/1.356, allocations: 64 / 1.313 GB, free: 10.32 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.000876/1.357, allocations: 446.8 kB / 1.313 GB, free: 10.31 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002312/1.359, allocations: 423.7 kB / 1.314 GB, free: 10.25 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003523/1.363, allocations: 2.599 MB / 1.316 GB, free: 8.938 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007056/1.363, allocations: 1.159 MB / 1.318 GB, free: 8.223 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.001839/1.365, allocations: 378.8 kB / 1.318 GB, free: 8.113 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005482/1.366, allocations: 102.7 kB / 1.318 GB, free: 8.109 MB / 1.014 GB Notification: Performance of SimCode: time 8.12e-07/1.366, allocations: 2.125 kB / 1.318 GB, free: 8.109 MB / 1.014 GB Notification: Performance of Templates: time 0.04952/1.415, allocations: 29.78 MB / 1.347 GB, free: 13.88 MB / 1.029 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent.makefile (rm -f Buildings_3.0.0_Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent.sim & ./Buildings_3.0.0_Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.Actuators.Dampers.Validation.PressureIndependent.pipe 2>&1)