Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y_linear.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_linear,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y_linear") translateModel(BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y_linear,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y_linear") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001554/0.001554, allocations: 101.9 kB / 16.27 MB, free: 5.988 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00148/0.00148, allocations: 188.9 kB / 17.2 MB, free: 5.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.319/1.319, allocations: 222.9 MB / 240.9 MB, free: 15.21 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.002543/0.002543, allocations: 293 kB / 291.3 MB, free: 14.54 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 1.165/1.165, allocations: 178.5 MB / 0.5079 GB, free: 12.84 MB / 382.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002624/0.002624, allocations: 99.84 kB / 0.6071 GB, free: 9.309 MB / 462.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1864/0.1891, allocations: 89.13 MB / 0.6941 GB, free: 96 kB / 0.5294 GB Notification: Performance of NFInst.instantiate(BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y_linear): time 0.3214/0.5105, allocations: 58.54 MB / 0.7513 GB, free: 15.2 MB / 0.545 GB Notification: Performance of NFInst.instExpressions: time 0.02242/0.533, allocations: 19.94 MB / 0.7708 GB, free: 1.074 MB / 0.545 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003547/0.5366, allocations: 88.69 kB / 0.7709 GB, free: 1.043 MB / 0.545 GB Notification: Performance of NFTyping.typeComponents: time 0.0167/0.5533, allocations: 9.829 MB / 0.7805 GB, free: 14.15 MB / 0.5606 GB Notification: Performance of NFTyping.typeBindings: time 0.008428/0.5618, allocations: 2.855 MB / 0.7833 GB, free: 12.51 MB / 0.5606 GB Notification: Performance of NFTyping.typeClassSections: time 0.006408/0.5682, allocations: 2.305 MB / 0.7855 GB, free: 11.29 MB / 0.5606 GB Notification: Performance of NFFlatten.flatten: time 0.02353/0.5918, allocations: 14.19 MB / 0.7994 GB, free: 6.648 MB / 0.5606 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003328/0.5951, allocations: 1.761 MB / 0.8011 GB, free: 5.82 MB / 0.5606 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005074/0.6002, allocations: 2.032 MB / 0.8031 GB, free: 4.844 MB / 0.5606 GB Notification: Performance of NFSimplifyModel.simplify: time 0.002839/0.6031, allocations: 1.512 MB / 0.8045 GB, free: 4.117 MB / 0.5606 GB Notification: Performance of NFPackage.collectConstants: time 0.0005978/0.6037, allocations: 198.6 kB / 0.8047 GB, free: 4.117 MB / 0.5606 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00544/0.6091, allocations: 2.329 MB / 0.807 GB, free: 3.055 MB / 0.5606 GB Notification: Performance of NFScalarize.scalarize: time 0.001326/0.6105, allocations: 0.8712 MB / 0.8079 GB, free: 2.465 MB / 0.5606 GB Notification: Performance of NFVerifyModel.verify: time 0.00246/0.613, allocations: 1.4 MB / 0.8092 GB, free: 1.5 MB / 0.5606 GB Notification: Performance of NFConvertDAE.convert: time 0.008145/0.6211, allocations: 4.562 MB / 0.8137 GB, free: 14.42 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 5.921e-06/0.6212, allocations: 0 / 0.8137 GB, free: 14.42 MB / 0.5762 GB Notification: Performance of FrontEnd: time 3.447e-06/0.6212, allocations: 7.312 kB / 0.8137 GB, free: 14.42 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 8.847e-05/0.6213, allocations: 3.938 kB / 0.8137 GB, free: 14.41 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: 266 * Number of variables: 266 Notification: Performance of Generate backend data structure: time 0.006821/0.6281, allocations: 3.206 MB / 0.8168 GB, free: 12.02 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.328e-05/0.6282, allocations: 12.91 kB / 0.8168 GB, free: 12.01 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005289/0.6334, allocations: 0.941 MB / 0.8177 GB, free: 11.58 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007794/0.6413, allocations: 3.41 MB / 0.8211 GB, free: 8.324 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001675/0.6415, allocations: 94.08 kB / 0.8212 GB, free: 8.23 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002965/0.6418, allocations: 120 kB / 0.8213 GB, free: 8.113 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003164/0.6449, allocations: 1.514 MB / 0.8228 GB, free: 6.527 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.762e-05/0.645, allocations: 7.938 kB / 0.8228 GB, free: 6.52 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001209/0.6451, allocations: 44 kB / 0.8228 GB, free: 6.477 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.461e-05/0.6452, allocations: 31.98 kB / 0.8228 GB, free: 6.445 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003384/0.6486, allocations: 1.339 MB / 0.8241 GB, free: 5.105 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 0.01143/0.66, allocations: 7.185 MB / 0.8312 GB, free: 13.48 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003286/0.6633, allocations: 1.085 MB / 0.8322 GB, free: 12.39 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001297/0.6646, allocations: 0.5061 MB / 0.8327 GB, free: 11.88 MB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.004725/0.6694, allocations: 3.005 MB / 0.8357 GB, free: 8.59 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.355e-05/0.6694, allocations: 39.06 kB / 0.8357 GB, free: 8.543 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=58): time 2.485e-06/0.6694, allocations: 4 kB / 0.8357 GB, free: 8.539 MB / 0.5919 GB Notification: Performance of matching and sorting (n=58): time 0.005139/0.6746, allocations: 1.72 MB / 0.8374 GB, free: 6.789 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.043e-05/0.6746, allocations: 59.97 kB / 0.8374 GB, free: 6.719 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00395/0.6786, allocations: 2.635 MB / 0.84 GB, free: 4.066 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.0001624/0.6788, allocations: 41.7 kB / 0.84 GB, free: 4.02 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009873/0.6798, allocations: 1.048 MB / 0.8411 GB, free: 2.961 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002518/0.68, allocations: 217 kB / 0.8413 GB, free: 2.746 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006308/0.6807, allocations: 439.1 kB / 0.8417 GB, free: 2.312 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001243/0.6808, allocations: 309.1 kB / 0.842 GB, free: 2.008 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00213/0.6829, allocations: 1.145 MB / 0.8431 GB, free: 0.8594 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002586/0.6855, allocations: 1.578 MB / 0.8446 GB, free: 15.13 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.004414/0.69, allocations: 2.473 MB / 0.8471 GB, free: 12.55 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.097e-06/0.69, allocations: 0 / 0.8471 GB, free: 12.55 MB / 0.6075 GB Notification: Performance of matching and sorting (n=234) (initialization): time 0.006007/0.696, allocations: 3.053 MB / 0.85 GB, free: 9.48 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 2.918e-05/0.6961, allocations: 8 kB / 0.8501 GB, free: 9.473 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.64e-05/0.6961, allocations: 8 kB / 0.8501 GB, free: 9.465 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004448/0.6965, allocations: 117.2 kB / 0.8502 GB, free: 9.348 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001465/0.698, allocations: 351.5 kB / 0.8505 GB, free: 9.004 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005834/0.6986, allocations: 0.6203 MB / 0.8511 GB, free: 8.359 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001981/0.7006, allocations: 232 kB / 0.8513 GB, free: 8.133 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001807/0.7008, allocations: 99.95 kB / 0.8514 GB, free: 8.035 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002836/0.7036, allocations: 1.519 MB / 0.8529 GB, free: 6.512 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002312/0.706, allocations: 1.372 MB / 0.8542 GB, free: 4.988 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003696/0.7097, allocations: 2.098 MB / 0.8563 GB, free: 2.777 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.804e-06/0.7097, allocations: 4 kB / 0.8563 GB, free: 2.773 MB / 0.6075 GB Notification: Performance of matching and sorting (n=234) (initialization_lambda0): time 0.005487/0.7152, allocations: 2.686 MB / 0.8589 GB, free: 76 kB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 2.239e-05/0.7152, allocations: 11.94 kB / 0.8589 GB, free: 64 kB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.334e-05/0.7153, allocations: 9.406 kB / 0.8589 GB, free: 56 kB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005581/0.7158, allocations: 121 kB / 0.8591 GB, free: 15.93 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00128/0.7171, allocations: 339.5 kB / 0.8594 GB, free: 15.6 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004512/0.7216, allocations: 2.835 MB / 0.8622 GB, free: 12.55 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002247/0.7239, allocations: 189.7 kB / 0.8623 GB, free: 12.37 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002224/0.7241, allocations: 83.97 kB / 0.8624 GB, free: 12.29 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 37 * 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 (164): * Single equations (assignments): 159 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * 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 0.0004396/0.7246, allocations: 257.5 kB / 0.8627 GB, free: 12.04 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005082/0.7251, allocations: 236.9 kB / 0.8629 GB, free: 11.8 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004309/0.7294, allocations: 1.593 MB / 0.8644 GB, free: 10.21 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.88e-05/0.7295, allocations: 15.98 kB / 0.8645 GB, free: 10.19 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.753e-06/0.7295, allocations: 0 / 0.8645 GB, free: 10.19 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.55e-05/0.7295, allocations: 11.92 kB / 0.8645 GB, free: 10.18 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007154/0.7367, allocations: 3.137 MB / 0.8675 GB, free: 6.949 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.063e-06/0.7367, allocations: 4 kB / 0.8675 GB, free: 6.945 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009183/0.7376, allocations: 172 kB / 0.8677 GB, free: 6.777 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002589/0.7379, allocations: 68.73 kB / 0.8678 GB, free: 6.707 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.827e-05/0.738, allocations: 31.97 kB / 0.8678 GB, free: 6.676 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0005147/0.7385, allocations: 0.5992 MB / 0.8684 GB, free: 6.051 MB / 0.6231 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.749e-06/0.7385, allocations: 3.938 kB / 0.8684 GB, free: 6.047 MB / 0.6231 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0039/0.7424, allocations: 1.532 MB / 0.8699 GB, free: 4.465 MB / 0.6231 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001181/0.7436, allocations: 437.6 kB / 0.8703 GB, free: 4.016 MB / 0.6231 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003193/0.744, allocations: 12 kB / 0.8703 GB, free: 4.004 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001112/0.7451, allocations: 75.83 kB / 0.8704 GB, free: 3.93 MB / 0.6231 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001331/0.7452, allocations: 68.3 kB / 0.8704 GB, free: 3.863 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001006/0.7453, allocations: 52.03 kB / 0.8705 GB, free: 3.812 MB / 0.6231 GB Notification: Performance of sorting global known variables: time 0.002924/0.7483, allocations: 1.753 MB / 0.8722 GB, free: 2.059 MB / 0.6231 GB Notification: Performance of sort global known variables: time 1.91e-07/0.7483, allocations: 0 / 0.8722 GB, free: 2.059 MB / 0.6231 GB Notification: Performance of remove unused functions: time 0.004029/0.7523, allocations: 1.248 MB / 0.8734 GB, free: 0.8086 MB / 0.6231 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * 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 simulation (69): * Single equations (assignments): 60 * 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 0.002044/0.7544, allocations: 0.7868 MB / 0.8742 GB, free: 24 kB / 0.6231 GB Notification: Performance of simCode: created initialization part: time 0.007854/0.7623, allocations: 3.522 MB / 0.8776 GB, free: 12.5 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 7.574e-06/0.7623, allocations: 1.375 kB / 0.8776 GB, free: 12.5 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.001622/0.7639, allocations: 0.5892 MB / 0.8782 GB, free: 11.91 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005549/0.7695, allocations: 1.241 MB / 0.8794 GB, free: 10.72 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007999/0.7775, allocations: 4.237 MB / 0.8836 GB, free: 6.422 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001657/0.7792, allocations: 1.709 MB / 0.8852 GB, free: 4.676 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0009048/0.7802, allocations: 211.3 kB / 0.8854 GB, free: 4.469 MB / 0.6387 GB Notification: Performance of SimCode: time 1.332e-06/0.7802, allocations: 4 kB / 0.8854 GB, free: 4.465 MB / 0.6387 GB Notification: Performance of Templates: time 0.08487/0.865, allocations: 55.15 MB / 0.9393 GB, free: 13.66 MB / 0.7012 GB make -j1 -f BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y_linear.makefile (rm -f BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe ; mkfifo BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe >> ../files/BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y_linear.sim & ./BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y_linear -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildingSystems_BuildingSystems.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe 2>&1)