Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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(BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y") translateModel(BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001472/0.001472, allocations: 107.3 kB / 16.41 MB, free: 6.406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00139/0.00139, allocations: 191.4 kB / 17.34 MB, free: 5.695 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.283/1.283, allocations: 222.9 MB / 241 MB, free: 15.07 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.00226/0.00226, allocations: 284.4 kB / 291.5 MB, free: 14.43 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.902/0.902, allocations: 169.3 MB / 0.499 GB, free: 4.434 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001955/0.001955, allocations: 95.84 kB / 0.6821 GB, free: 6.973 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4692/0.4712, allocations: 86.98 MB / 0.7671 GB, free: 3.926 MB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y): time 0.7578/1.229, allocations: 324.9 MB / 1.084 GB, free: 13.71 MB / 0.7325 GB Notification: Performance of NFInst.instExpressions: time 0.03322/1.262, allocations: 22.22 MB / 1.106 GB, free: 12.67 MB / 0.7481 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0051/1.267, allocations: 90.19 kB / 1.106 GB, free: 12.61 MB / 0.7481 GB Notification: Performance of NFTyping.typeComponents: time 0.007624/1.275, allocations: 2.317 MB / 1.108 GB, free: 10.79 MB / 0.7481 GB Notification: Performance of NFTyping.typeBindings: time 0.01329/1.288, allocations: 4.492 MB / 1.113 GB, free: 6.809 MB / 0.7481 GB Notification: Performance of NFTyping.typeClassSections: time 0.00698/1.295, allocations: 2.417 MB / 1.115 GB, free: 4.398 MB / 0.7481 GB Notification: Performance of NFFlatten.flatten: time 0.02688/1.322, allocations: 17.62 MB / 1.132 GB, free: 2.75 MB / 0.7637 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004183/1.326, allocations: 2.279 MB / 1.135 GB, free: 432 kB / 0.7637 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007688/1.334, allocations: 3.305 MB / 1.138 GB, free: 13.11 MB / 0.7794 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004134/1.338, allocations: 2.036 MB / 1.14 GB, free: 11.07 MB / 0.7794 GB Notification: Performance of NFPackage.collectConstants: time 0.0009826/1.339, allocations: 272 kB / 1.14 GB, free: 10.8 MB / 0.7794 GB Notification: Performance of NFFlatten.collectFunctions: time 0.008655/1.348, allocations: 4.132 MB / 1.144 GB, free: 6.664 MB / 0.7794 GB Notification: Performance of NFScalarize.scalarize: time 0.001814/1.35, allocations: 1.239 MB / 1.145 GB, free: 5.422 MB / 0.7794 GB Notification: Performance of NFVerifyModel.verify: time 0.003353/1.353, allocations: 1.761 MB / 1.147 GB, free: 3.652 MB / 0.7794 GB Notification: Performance of NFConvertDAE.convert: time 0.01111/1.364, allocations: 6.174 MB / 1.153 GB, free: 13.46 MB / 0.795 GB Notification: Performance of FrontEnd - DAE generated: time 6.111e-06/1.364, allocations: 11.94 kB / 1.153 GB, free: 13.45 MB / 0.795 GB Notification: Performance of FrontEnd: time 1.753e-06/1.364, allocations: 0 / 1.153 GB, free: 13.45 MB / 0.795 GB Notification: Performance of Transformations before backend: time 0.0001473/1.365, allocations: 4 kB / 1.153 GB, free: 13.45 MB / 0.795 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 353 * Number of variables: 353 Notification: Performance of Generate backend data structure: time 0.008986/1.374, allocations: 3.841 MB / 1.157 GB, free: 9.523 MB / 0.795 GB Notification: Performance of prepare preOptimizeDAE: time 4.238e-05/1.374, allocations: 12.03 kB / 1.157 GB, free: 9.512 MB / 0.795 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008171/1.382, allocations: 1.213 MB / 1.158 GB, free: 8.293 MB / 0.795 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.009502/1.391, allocations: 3.86 MB / 1.162 GB, free: 4.367 MB / 0.795 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001552/1.391, allocations: 118.8 kB / 1.162 GB, free: 4.25 MB / 0.795 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0005272/1.392, allocations: 155.9 kB / 1.162 GB, free: 4.098 MB / 0.795 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004581/1.397, allocations: 1.999 MB / 1.164 GB, free: 2.031 MB / 0.795 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.055e-05/1.397, allocations: 0 / 1.164 GB, free: 2.031 MB / 0.795 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002057/1.397, allocations: 56 kB / 1.164 GB, free: 1.977 MB / 0.795 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.704e-05/1.397, allocations: 50.67 kB / 1.164 GB, free: 1.926 MB / 0.795 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004032/1.401, allocations: 1.685 MB / 1.166 GB, free: 240 kB / 0.795 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 0.01426/1.415, allocations: 9.123 MB / 1.175 GB, free: 6.5 MB / 0.8106 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003278/1.419, allocations: 1.228 MB / 1.176 GB, free: 5.262 MB / 0.8106 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001573/1.42, allocations: 0.6905 MB / 1.177 GB, free: 4.57 MB / 0.8106 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002092/1.42, allocations: 114.2 kB / 1.177 GB, free: 4.441 MB / 0.8106 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.549e-05/1.42, allocations: 43.22 kB / 1.177 GB, free: 4.391 MB / 0.8106 GB Notification: Performance of pre-optimization done (n=79): time 2.815e-06/1.42, allocations: 0 / 1.177 GB, free: 4.391 MB / 0.8106 GB Notification: Performance of matching and sorting (n=79): time 0.006665/1.427, allocations: 2.325 MB / 1.179 GB, free: 2.012 MB / 0.8106 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.277e-05/1.427, allocations: 60.06 kB / 1.179 GB, free: 1.941 MB / 0.8106 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005237/1.432, allocations: 2.959 MB / 1.182 GB, free: 14.97 MB / 0.8262 GB Notification: Performance of collectPreVariables (initialization): time 0.0002224/1.433, allocations: 49.7 kB / 1.182 GB, free: 14.92 MB / 0.8262 GB Notification: Performance of collectInitialEqns (initialization): time 0.001151/1.434, allocations: 1.237 MB / 1.183 GB, free: 13.67 MB / 0.8262 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003657/1.434, allocations: 295.9 kB / 1.183 GB, free: 13.38 MB / 0.8262 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008631/1.435, allocations: 467.2 kB / 1.184 GB, free: 12.92 MB / 0.8262 GB Notification: Performance of setup shared object (initialization): time 0.0001115/1.435, allocations: 309 kB / 1.184 GB, free: 12.61 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002119/1.437, allocations: 1.317 MB / 1.185 GB, free: 11.29 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002609/1.44, allocations: 1.796 MB / 1.187 GB, free: 9.297 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.004429/1.444, allocations: 2.868 MB / 1.19 GB, free: 6.305 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.156e-05/1.444, allocations: 8 kB / 1.19 GB, free: 6.297 MB / 0.8262 GB Notification: Performance of matching and sorting (n=261) (initialization): time 0.00627/1.451, allocations: 3.592 MB / 1.194 GB, free: 2.688 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 2.486e-05/1.451, allocations: 11.94 kB / 1.194 GB, free: 2.676 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.394e-05/1.451, allocations: 12 kB / 1.194 GB, free: 2.664 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001012/1.452, allocations: 337.6 kB / 1.194 GB, free: 2.328 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001631/1.453, allocations: 375.5 kB / 1.194 GB, free: 1.961 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001656/1.455, allocations: 1.925 MB / 1.196 GB, free: 15.96 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002346/1.457, allocations: 234 kB / 1.196 GB, free: 15.73 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002001/1.458, allocations: 108 kB / 1.196 GB, free: 15.62 MB / 0.8419 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003009/1.461, allocations: 1.765 MB / 1.198 GB, free: 13.85 MB / 0.8419 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002217/1.463, allocations: 1.592 MB / 1.2 GB, free: 12.07 MB / 0.8419 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003694/1.467, allocations: 2.454 MB / 1.202 GB, free: 9.492 MB / 0.8419 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.967e-06/1.467, allocations: 4 kB / 1.202 GB, free: 9.488 MB / 0.8419 GB Notification: Performance of matching and sorting (n=261) (initialization_lambda0): time 0.005893/1.473, allocations: 3.201 MB / 1.205 GB, free: 6.27 MB / 0.8419 GB Notification: Performance of prepare postOptimizeDAE: time 1.988e-05/1.473, allocations: 15.94 kB / 1.205 GB, free: 6.254 MB / 0.8419 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.578e-05/1.473, allocations: 8 kB / 1.205 GB, free: 6.246 MB / 0.8419 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001301/1.474, allocations: 365.8 kB / 1.206 GB, free: 5.883 MB / 0.8419 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001418/1.475, allocations: 343.5 kB / 1.206 GB, free: 5.547 MB / 0.8419 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005563/1.481, allocations: 4.185 MB / 1.21 GB, free: 1.109 MB / 0.8419 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002212/1.483, allocations: 190.9 kB / 1.21 GB, free: 0.9219 MB / 0.8419 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001873/1.483, allocations: 87.97 kB / 1.21 GB, free: 0.8359 MB / 0.8419 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 42 * 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 (182): * Single equations (assignments): 175 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 2 * 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): 2 systems {(1,7), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.000432/1.484, allocations: 267.8 kB / 1.211 GB, free: 0.5664 MB / 0.8419 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005785/1.484, allocations: 268.4 kB / 1.211 GB, free: 308 kB / 0.8419 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004213/1.489, allocations: 1.687 MB / 1.212 GB, free: 14.6 MB / 0.8575 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.366e-06/1.489, allocations: 12 kB / 1.213 GB, free: 14.59 MB / 0.8575 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.136e-06/1.489, allocations: 0 / 1.213 GB, free: 14.59 MB / 0.8575 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003102/1.492, allocations: 1.419 MB / 1.214 GB, free: 13.13 MB / 0.8575 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007708/1.499, allocations: 3.726 MB / 1.218 GB, free: 9.305 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.462e-06/1.499, allocations: 0 / 1.218 GB, free: 9.305 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001241/1.501, allocations: 211.8 kB / 1.218 GB, free: 9.098 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005943/1.501, allocations: 189.4 kB / 1.218 GB, free: 8.906 MB / 0.8575 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.012e-05/1.501, allocations: 31.97 kB / 1.218 GB, free: 8.875 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001397/1.503, allocations: 1.87 MB / 1.22 GB, free: 6.93 MB / 0.8575 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.617e-06/1.503, allocations: 4.25 kB / 1.22 GB, free: 6.926 MB / 0.8575 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005137/1.508, allocations: 2.415 MB / 1.222 GB, free: 4.48 MB / 0.8575 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001067/1.509, allocations: 477.3 kB / 1.223 GB, free: 3.992 MB / 0.8575 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000493/1.51, allocations: 20 kB / 1.223 GB, free: 3.973 MB / 0.8575 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001554/1.511, allocations: 75.92 kB / 1.223 GB, free: 3.898 MB / 0.8575 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001249/1.511, allocations: 52.52 kB / 1.223 GB, free: 3.848 MB / 0.8575 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001125/1.511, allocations: 48.06 kB / 1.223 GB, free: 3.801 MB / 0.8575 GB Notification: Performance of sorting global known variables: time 0.003297/1.515, allocations: 1.983 MB / 1.225 GB, free: 1.824 MB / 0.8575 GB Notification: Performance of sort global known variables: time 1.5e-07/1.515, allocations: 0 / 1.225 GB, free: 1.824 MB / 0.8575 GB Notification: Performance of remove unused functions: time 0.003879/1.519, allocations: 1.411 MB / 1.226 GB, free: 420 kB / 0.8575 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 3 (floMacDyn.vol.dynBal.medium.Xi[1],floMacDyn.vol.dynBal.U,floMacDyn.vol.dynBal.m) * 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 (71): * Single equations (assignments): 68 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 2 * 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): 2 systems {(1,5), (2,6)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001602/1.52, allocations: 0.6425 MB / 1.227 GB, free: 15.77 MB / 0.8731 GB Notification: Performance of simCode: created initialization part: time 0.007479/1.528, allocations: 3.916 MB / 1.231 GB, free: 11.84 MB / 0.8731 GB Notification: Performance of simCode: created event and clocks part: time 5.42e-06/1.528, allocations: 4.188 kB / 1.231 GB, free: 11.84 MB / 0.8731 GB Notification: Performance of simCode: created simulation system equations: time 0.001575/1.529, allocations: 0.6597 MB / 1.231 GB, free: 11.18 MB / 0.8731 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005408/1.535, allocations: 1.505 MB / 1.233 GB, free: 9.723 MB / 0.8731 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008794/1.544, allocations: 5.036 MB / 1.238 GB, free: 4.641 MB / 0.8731 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001915/1.545, allocations: 1.93 MB / 1.239 GB, free: 2.684 MB / 0.8731 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007023/1.546, allocations: 211.4 kB / 1.24 GB, free: 2.477 MB / 0.8731 GB Notification: Performance of SimCode: time 4.91e-07/1.546, allocations: 4 kB / 1.24 GB, free: 2.473 MB / 0.8731 GB Notification: Performance of Templates: time 0.4645/2.011, allocations: 86.77 MB / 1.324 GB, free: 407.2 MB / 0.9512 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y.sim & ./BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y.pipe 2>&1)