Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Fluid.Movers.Validation.SpeedControlled_y.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo)
Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo)
Using package Buildings with version 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo)
Running command: "" <> buildModelFMU(Buildings.Fluid.Movers.Validation.SpeedControlled_y,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Fluid_Movers_Validation_SpeedControlled_y",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(Buildings.Fluid.Movers.Validation.SpeedControlled_y,fileNamePrefix="Buildings_maint_8_0_x_Buildings_Fluid_Movers_Validation_SpeedControlled_y",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.65/1.65, allocations: 288.2 MB / 303.2 MB, free: 8.07 MB / 234.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001208/0.001208, allocations: 179.7 kB / 371.8 MB, free: 10.29 MB / 298.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.906/1.906, allocations: 205.4 MB / 0.6305 GB, free: 10.01 MB / 458.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001091/0.001091, allocations: 93.83 kB / 0.7439 GB, free: 5.961 MB / 0.5573 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004635/0.0004637, allocations: 12 kB / 0.8668 GB, free: 142.1 MB / 0.6198 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2512/0.2517, allocations: 115.3 MB / 0.9795 GB, free: 27.61 MB / 0.6198 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.SpeedControlled_y): time 0.9422/1.194, allocations: 262.4 MB / 1.236 GB, free: 1.875 MB / 0.7605 GB
Notification: Performance of NFInst.instExpressions: time 0.03586/1.23, allocations: 21.06 MB / 1.256 GB, free: 12.79 MB / 0.7917 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.004135/1.234, allocations: 71.5 kB / 1.256 GB, free: 12.71 MB / 0.7917 GB
Notification: Performance of NFTyping.typeComponents: time 0.004927/1.239, allocations: 1.264 MB / 1.258 GB, free: 11.45 MB / 0.7917 GB
Notification: Performance of NFTyping.typeBindings: time 0.01384/1.253, allocations: 3.771 MB / 1.261 GB, free: 7.668 MB / 0.7917 GB
Notification: Performance of NFTyping.typeClassSections: time 0.01131/1.264, allocations: 3.111 MB / 1.264 GB, free: 4.59 MB / 0.7917 GB
Notification: Performance of NFFlatten.flatten: time 0.008725/1.273, allocations: 3.379 MB / 1.268 GB, free: 1.207 MB / 0.7917 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.004775/1.278, allocations: 1.638 MB / 1.269 GB, free: 15.54 MB / 0.8073 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.007629/1.285, allocations: 2.27 MB / 1.271 GB, free: 13.26 MB / 0.8073 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003198/1.289, allocations: 1.171 MB / 1.273 GB, free: 12.09 MB / 0.8073 GB
Notification: Performance of NFPackage.collectConstants: time 0.0009009/1.29, allocations: 92 kB / 1.273 GB, free: 12 MB / 0.8073 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.006302/1.296, allocations: 1.923 MB / 1.274 GB, free: 10.07 MB / 0.8073 GB
Notification: Performance of NFScalarize.scalarize: time 0.00157/1.298, allocations: 0.7049 MB / 1.275 GB, free: 9.363 MB / 0.8073 GB
Notification: Performance of NFVerifyModel.verify: time 0.001759/1.299, allocations: 0.5277 MB / 1.276 GB, free: 8.828 MB / 0.8073 GB
Notification: Performance of NFConvertDAE.convert: time 0.006653/1.306, allocations: 3.343 MB / 1.279 GB, free: 5.477 MB / 0.8073 GB
Notification: Performance of FrontEnd - DAE generated: time 7.855e-06/1.306, allocations: 8 kB / 1.279 GB, free: 5.469 MB / 0.8073 GB
Notification: Performance of FrontEnd: time 5.09e-06/1.306, allocations: 0 / 1.279 GB, free: 5.469 MB / 0.8073 GB
Notification: Performance of Transformations before backend: time 0.000235/1.306, allocations: 0 / 1.279 GB, free: 5.469 MB / 0.8073 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 349
 * Number of variables: 349
Notification: Performance of Generate backend data structure: time 0.00919/1.315, allocations: 2.614 MB / 1.282 GB, free: 2.793 MB / 0.8073 GB
Notification: Performance of prepare preOptimizeDAE: time 6.41e-05/1.316, allocations: 8.031 kB / 1.282 GB, free: 2.785 MB / 0.8073 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0007568/1.316, allocations: 202.8 kB / 1.282 GB, free: 2.578 MB / 0.8073 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.006064/1.322, allocations: 0.8865 MB / 1.283 GB, free: 1.688 MB / 0.8073 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006862/1.329, allocations: 2.075 MB / 1.285 GB, free: 15.54 MB / 0.823 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001967/1.33, allocations: 115.1 kB / 1.285 GB, free: 15.43 MB / 0.823 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0006965/1.33, allocations: 152 kB / 1.285 GB, free: 15.28 MB / 0.823 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.005038/1.335, allocations: 1.683 MB / 1.287 GB, free: 13.54 MB / 0.823 GB
Notification: Performance of preOpt findStateOrder (simulation): time 4.447e-05/1.335, allocations: 3.938 kB / 1.287 GB, free: 13.54 MB / 0.823 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002698/1.336, allocations: 55.98 kB / 1.287 GB, free: 13.48 MB / 0.823 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.772e-05/1.336, allocations: 58.66 kB / 1.287 GB, free: 13.42 MB / 0.823 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003516/1.339, allocations: 1.322 MB / 1.288 GB, free: 12.09 MB / 0.823 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 0.01373/1.353, allocations: 7.659 MB / 1.295 GB, free: 3.84 MB / 0.823 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.002725/1.356, allocations: 0.9436 MB / 1.296 GB, free: 2.891 MB / 0.823 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001064/1.356, allocations: 24.62 kB / 1.296 GB, free: 2.867 MB / 0.823 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.761e-05/1.356, allocations: 47.22 kB / 1.296 GB, free: 2.812 MB / 0.823 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.00121/1.357, allocations: 135 kB / 1.297 GB, free: 2.68 MB / 0.823 GB
Notification: Performance of pre-optimization done (n=81): time 7.704e-06/1.357, allocations: 0 / 1.297 GB, free: 2.68 MB / 0.823 GB
Notification: Performance of matching and sorting (n=81): time 0.005568/1.363, allocations: 1.8 MB / 1.298 GB, free: 0.8281 MB / 0.823 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 6.531e-05/1.363, allocations: 60.06 kB / 1.298 GB, free: 0.7578 MB / 0.823 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003788/1.367, allocations: 1.796 MB / 1.3 GB, free: 14.93 MB / 0.8386 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001797/1.367, allocations: 45.7 kB / 1.3 GB, free: 14.88 MB / 0.8386 GB
Notification: Performance of collectInitialEqns (initialization): time 0.001169/1.368, allocations: 0.9922 MB / 1.301 GB, free: 13.88 MB / 0.8386 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0004202/1.369, allocations: 279.9 kB / 1.301 GB, free: 13.6 MB / 0.8386 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001019/1.369, allocations: 24 kB / 1.301 GB, free: 13.57 MB / 0.8386 GB
Notification: Performance of setup shared object (initialization): time 0.0002357/1.369, allocations: 353.9 kB / 1.302 GB, free: 13.22 MB / 0.8386 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001154/1.37, allocations: 430.3 kB / 1.302 GB, free: 12.8 MB / 0.8386 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001611/1.372, allocations: 0.8345 MB / 1.303 GB, free: 11.79 MB / 0.8386 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001373/1.373, allocations: 0.526 MB / 1.303 GB, free: 11.26 MB / 0.8386 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.139e-05/1.373, allocations: 7.953 kB / 1.303 GB, free: 11.25 MB / 0.8386 GB
Notification: Performance of matching and sorting (n=135) (initialization): time 0.003779/1.377, allocations: 1.493 MB / 1.305 GB, free: 9.746 MB / 0.8386 GB
Notification: Performance of prepare postOptimizeDAE: time 0.002077/1.379, allocations: 3.961 MB / 1.309 GB, free: 5.367 MB / 0.8386 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.519e-05/1.379, allocations: 16 kB / 1.309 GB, free: 5.352 MB / 0.8386 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0009721/1.38, allocations: 197.4 kB / 1.309 GB, free: 5.152 MB / 0.8386 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00118/1.381, allocations: 255.7 kB / 1.309 GB, free: 4.902 MB / 0.8386 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001495/1.383, allocations: 1.87 MB / 1.311 GB, free: 2.957 MB / 0.8386 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002266/1.385, allocations: 128.9 kB / 1.311 GB, free: 2.832 MB / 0.8386 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002112/1.385, allocations: 75.95 kB / 1.311 GB, free: 2.758 MB / 0.8386 GB
Notification: Performance of prepare postOptimizeDAE: time 1.615e-05/1.385, allocations: 4 kB / 1.311 GB, free: 2.754 MB / 0.8386 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.003394/1.389, allocations: 1.423 MB / 1.313 GB, free: 1.324 MB / 0.8386 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.936e-05/1.389, allocations: 8 kB / 1.313 GB, free: 1.316 MB / 0.8386 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001228/1.39, allocations: 305.7 kB / 1.313 GB, free: 1.012 MB / 0.8386 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000912/1.391, allocations: 235.6 kB / 1.313 GB, free: 0.7812 MB / 0.8386 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005493/1.396, allocations: 3.585 MB / 1.317 GB, free: 12.95 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002143/1.399, allocations: 135.7 kB / 1.317 GB, free: 12.82 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002325/1.399, allocations: 59.98 kB / 1.317 GB, free: 12.76 MB / 0.8542 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 43
 * 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 (120):
 * Single equations (assignments): 115
 * Array equations: 2
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 1
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details:
 * Constant Jacobian: 0
 * Linear Jacobian (size,density): 0
 * Non-linear Jacobian: 1 {1}
 * Without analytic Jacobian: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 2 {1 7,1 4}
Notification: Performance of prepare postOptimizeDAE: time 0.001638/1.4, allocations: 0.6144 MB / 1.317 GB, free: 12.13 MB / 0.8542 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006756/1.401, allocations: 197.5 kB / 1.318 GB, free: 11.94 MB / 0.8542 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003708/1.405, allocations: 1.304 MB / 1.319 GB, free: 10.62 MB / 0.8542 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.329e-05/1.405, allocations: 8 kB / 1.319 GB, free: 10.61 MB / 0.8542 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 6.071e-06/1.405, allocations: 8 kB / 1.319 GB, free: 10.61 MB / 0.8542 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00245/1.407, allocations: 1.103 MB / 1.32 GB, free: 9.461 MB / 0.8542 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 0.008154/1.416, allocations: 3.084 MB / 1.323 GB, free: 6.254 MB / 0.8542 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.065e-06/1.416, allocations: 0 / 1.323 GB, free: 6.254 MB / 0.8542 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001008/1.417, allocations: 187.9 kB / 1.323 GB, free: 6.07 MB / 0.8542 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0006031/1.417, allocations: 185.4 kB / 1.323 GB, free: 5.883 MB / 0.8542 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.366e-05/1.417, allocations: 23.98 kB / 1.323 GB, free: 5.859 MB / 0.8542 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001227/1.419, allocations: 1.823 MB / 1.325 GB, free: 3.961 MB / 0.8542 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.917e-06/1.419, allocations: 224 / 1.325 GB, free: 3.961 MB / 0.8542 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004243/1.423, allocations: 1.946 MB / 1.327 GB, free: 1.949 MB / 0.8542 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001186/1.424, allocations: 358.5 kB / 1.327 GB, free: 1.578 MB / 0.8542 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005332/1.425, allocations: 16 kB / 1.327 GB, free: 1.562 MB / 0.8542 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001583/1.426, allocations: 127.7 kB / 1.328 GB, free: 1.438 MB / 0.8542 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00014/1.426, allocations: 60.58 kB / 1.328 GB, free: 1.379 MB / 0.8542 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001016/1.426, allocations: 32.05 kB / 1.328 GB, free: 1.348 MB / 0.8542 GB
Notification: Performance of sorting global known variables: time 0.002815/1.429, allocations: 1.217 MB / 1.329 GB, free: 116 kB / 0.8542 GB
Notification: Performance of sort global known variables: time 5.01e-07/1.429, allocations: 0 / 1.329 GB, free: 116 kB / 0.8542 GB
Notification: Performance of remove unused functions: time 0.004545/1.434, allocations: 1.095 MB / 1.33 GB, free: 15.02 MB / 0.8698 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 6
 * Number of states: 3 (floMacDyn.vol.dynBal.U,floMacDyn.vol.dynBal.m,floMacDyn.vol.dynBal.mXi[1])
 * 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 (73):
 * Single equations (assignments): 70
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 1
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details:
 * Constant Jacobian: 0
 * Linear Jacobian (size,density): 0
 * Non-linear Jacobian: 1 {1}
 * Without analytic Jacobian: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 2 {1 5,2 6}
Notification: Performance of Backend phase and start with SimCode phase: time 0.006109/1.44, allocations: 3.096 MB / 1.333 GB, free: 11.86 MB / 0.8698 GB
Notification: Performance of simCode: created initialization part: time 0.005033/1.445, allocations: 1.9 MB / 1.335 GB, free: 9.949 MB / 0.8698 GB
Notification: Performance of simCode: created event and clocks part: time 7.434e-06/1.445, allocations: 4.125 kB / 1.335 GB, free: 9.945 MB / 0.8698 GB
Notification: Performance of simCode: created simulation system equations: time 0.001306/1.446, allocations: 0.5114 MB / 1.335 GB, free: 9.43 MB / 0.8698 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005421/1.452, allocations: 1.041 MB / 1.336 GB, free: 8.402 MB / 0.8698 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01558/1.467, allocations: 11.9 MB / 1.348 GB, free: 12.23 MB / 0.8855 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002255/1.47, allocations: 1.648 MB / 1.35 GB, free: 10.55 MB / 0.8855 GB
Notification: Performance of simCode: alias equations: time 0.003182/1.473, allocations: 0.5013 MB / 1.35 GB, free: 10.04 MB / 0.8855 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001566/1.475, allocations: 0.8663 MB / 1.351 GB, free: 9.176 MB / 0.8855 GB
Notification: Performance of SimCode: time 1.603e-06/1.475, allocations: 3.938 kB / 1.351 GB, free: 9.172 MB / 0.8855 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.1124/1.587, allocations: 60.51 MB / 1.41 GB, free: 13.11 MB / 0.948 GB
Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002652/1.587, allocations: 266.8 kB / 1.41 GB, free: 12.75 MB / 0.948 GB
Notification: Performance of buildModelFMU: Generate platform static: time 4.199/5.786, allocations: 0 / 1.41 GB, free: 12.75 MB / 0.948 GB
(rm -f Buildings_maint.8.0.x_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe ; mkfifo Buildings_maint.8.0.x_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe ; head -c 1048576 < Buildings_maint.8.0.x_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe >> ../files/Buildings_maint.8.0.x_Buildings.Fluid.Movers.Validation.SpeedControlled_y.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator  --tempDir=temp_Buildings_maint_8_0_x_Buildings_Fluid_Movers_Validation_SpeedControlled_y_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-08 Buildings_maint_8_0_x_Buildings_Fluid_Movers_Validation_SpeedControlled_y.fmu > Buildings_maint.8.0.x_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe 2>&1)