Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/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 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.Movers.Validation.SpeedControlled_y,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Movers.Validation.SpeedControlled_y") translateModel(Buildings.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.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 0.001503/0.001502, 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 0.001954/0.001954, allocations: 191.8 kB / 16.25 MB, free: 6.629 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.614/1.614, allocations: 205.1 MB / 222.1 MB, free: 4.727 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.689/1.689, allocations: 292.2 MB / 0.5485 GB, free: 13.65 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001452/0.001452, allocations: 66.55 kB / 0.671 GB, free: 26.35 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2573/0.2588, allocations: 114.5 MB / 0.7828 GB, free: 13.9 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.SpeedControlled_y): time 0.7906/1.049, allocations: 320 MB / 1.095 GB, free: 3.133 MB / 0.795 GB Notification: Performance of NFInst.instExpressions: time 0.03334/1.083, allocations: 22.83 MB / 1.118 GB, free: 12.24 MB / 0.8262 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.006375/1.089, allocations: 79.44 kB / 1.118 GB, free: 12.16 MB / 0.8262 GB Notification: Performance of NFTyping.typeComponents: time 0.005236/1.095, allocations: 1.33 MB / 1.119 GB, free: 10.83 MB / 0.8262 GB Notification: Performance of NFTyping.typeBindings: time 0.0146/1.109, allocations: 3.928 MB / 1.123 GB, free: 6.891 MB / 0.8262 GB Notification: Performance of NFTyping.typeClassSections: time 0.007179/1.116, allocations: 2.096 MB / 1.125 GB, free: 4.809 MB / 0.8262 GB Notification: Performance of NFFlatten.flatten: time 0.008849/1.125, allocations: 5.757 MB / 1.131 GB, free: 15.04 MB / 0.8419 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004236/1.129, allocations: 2.198 MB / 1.133 GB, free: 12.8 MB / 0.8419 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007494/1.137, allocations: 3.094 MB / 1.136 GB, free: 9.691 MB / 0.8419 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004214/1.141, allocations: 1.967 MB / 1.138 GB, free: 7.723 MB / 0.8419 GB Notification: Performance of NFPackage.collectConstants: time 0.0009005/1.142, allocations: 240 kB / 1.138 GB, free: 7.488 MB / 0.8419 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007789/1.15, allocations: 3.928 MB / 1.142 GB, free: 3.551 MB / 0.8419 GB Notification: Performance of NFScalarize.scalarize: time 0.001814/1.152, allocations: 0.9465 MB / 1.143 GB, free: 2.602 MB / 0.8419 GB Notification: Performance of NFVerifyModel.verify: time 0.003293/1.155, allocations: 1.411 MB / 1.144 GB, free: 1.184 MB / 0.8419 GB Notification: Performance of NFConvertDAE.convert: time 0.01215/1.167, allocations: 5.27 MB / 1.149 GB, free: 11.9 MB / 0.8575 GB Notification: Performance of FrontEnd - DAE generated: time 3.937e-06/1.167, allocations: 3.938 kB / 1.149 GB, free: 11.89 MB / 0.8575 GB Notification: Performance of FrontEnd: time 9.82e-07/1.167, allocations: 0 / 1.149 GB, free: 11.89 MB / 0.8575 GB Notification: Performance of Transformations before backend: time 9.167e-05/1.167, allocations: 0 / 1.149 GB, free: 11.89 MB / 0.8575 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 0.006398/1.174, allocations: 3.112 MB / 1.152 GB, free: 8.719 MB / 0.8575 GB Notification: Performance of prepare preOptimizeDAE: time 4.603e-05/1.174, allocations: 8.031 kB / 1.152 GB, free: 8.711 MB / 0.8575 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005826/1.18, allocations: 0.8398 MB / 1.153 GB, free: 7.867 MB / 0.8575 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005089/1.185, allocations: 2.093 MB / 1.155 GB, free: 5.699 MB / 0.8575 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001615/1.185, allocations: 119.1 kB / 1.155 GB, free: 5.582 MB / 0.8575 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003626/1.185, allocations: 159.9 kB / 1.155 GB, free: 5.426 MB / 0.8575 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004406/1.19, allocations: 1.707 MB / 1.157 GB, free: 3.664 MB / 0.8575 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.138e-05/1.19, allocations: 0 / 1.157 GB, free: 3.664 MB / 0.8575 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001927/1.19, allocations: 60 kB / 1.157 GB, free: 3.605 MB / 0.8575 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.219e-05/1.19, allocations: 46.67 kB / 1.157 GB, free: 3.559 MB / 0.8575 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004188/1.194, allocations: 1.349 MB / 1.158 GB, free: 2.203 MB / 0.8575 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 0.01648/1.211, allocations: 7.701 MB / 1.166 GB, free: 9.91 MB / 0.8731 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003628/1.215, allocations: 0.9786 MB / 1.167 GB, free: 8.926 MB / 0.8731 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001718/1.216, allocations: 0.5454 MB / 1.167 GB, free: 8.379 MB / 0.8731 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0002843/1.217, allocations: 105.7 kB / 1.168 GB, free: 8.258 MB / 0.8731 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.479e-05/1.217, allocations: 43.22 kB / 1.168 GB, free: 8.203 MB / 0.8731 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001395/1.218, allocations: 127.1 kB / 1.168 GB, free: 8.078 MB / 0.8731 GB Notification: Performance of pre-optimization done (n=81): time 5.901e-06/1.218, allocations: 0 / 1.168 GB, free: 8.078 MB / 0.8731 GB Notification: Performance of matching and sorting (n=81): time 0.007275/1.225, allocations: 1.834 MB / 1.169 GB, free: 6.195 MB / 0.8731 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.881e-05/1.226, allocations: 72 kB / 1.17 GB, free: 6.113 MB / 0.8731 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004503/1.23, allocations: 1.835 MB / 1.171 GB, free: 4.246 MB / 0.8731 GB Notification: Performance of collectPreVariables (initialization): time 0.0002323/1.23, allocations: 49.7 kB / 1.171 GB, free: 4.191 MB / 0.8731 GB Notification: Performance of collectInitialEqns (initialization): time 0.001275/1.232, allocations: 0.9961 MB / 1.172 GB, free: 3.184 MB / 0.8731 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004321/1.232, allocations: 291.9 kB / 1.173 GB, free: 2.895 MB / 0.8731 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006107/1.233, allocations: 246.7 kB / 1.173 GB, free: 2.645 MB / 0.8731 GB Notification: Performance of setup shared object (initialization): time 0.0003002/1.233, allocations: 353.9 kB / 1.173 GB, free: 2.293 MB / 0.8731 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001639/1.235, allocations: 0.5447 MB / 1.174 GB, free: 1.746 MB / 0.8731 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002101/1.237, allocations: 0.9431 MB / 1.175 GB, free: 0.625 MB / 0.8731 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003773/1.241, allocations: 1.428 MB / 1.176 GB, free: 15.06 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.314e-05/1.241, allocations: 8 kB / 1.176 GB, free: 15.05 MB / 0.8887 GB Notification: Performance of matching and sorting (n=135) (initialization): time 0.005626/1.246, allocations: 1.801 MB / 1.178 GB, free: 13.24 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 4.014e-05/1.246, allocations: 12 kB / 1.178 GB, free: 13.23 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.87e-05/1.246, allocations: 8 kB / 1.178 GB, free: 13.22 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.00129/1.248, allocations: 281.8 kB / 1.178 GB, free: 12.94 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001562/1.249, allocations: 267.5 kB / 1.178 GB, free: 12.68 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002235/1.251, allocations: 1.855 MB / 1.18 GB, free: 10.75 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002697/1.254, allocations: 131.7 kB / 1.18 GB, free: 10.62 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002664/1.254, allocations: 67.97 kB / 1.18 GB, free: 10.55 MB / 0.8887 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003191/1.258, allocations: 0.9164 MB / 1.181 GB, free: 9.633 MB / 0.8887 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00201/1.26, allocations: 0.8806 MB / 1.182 GB, free: 8.574 MB / 0.8887 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002841/1.263, allocations: 1.288 MB / 1.183 GB, free: 7.156 MB / 0.8887 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.003e-05/1.263, allocations: 4 kB / 1.183 GB, free: 7.152 MB / 0.8887 GB Notification: Performance of matching and sorting (n=135) (initialization_lambda0): time 0.004018/1.267, allocations: 1.68 MB / 1.185 GB, free: 5.457 MB / 0.8887 GB Notification: Performance of prepare postOptimizeDAE: time 2.358e-05/1.267, allocations: 8 kB / 1.185 GB, free: 5.449 MB / 0.8887 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.945e-05/1.267, allocations: 12 kB / 1.185 GB, free: 5.438 MB / 0.8887 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001384/1.268, allocations: 305.7 kB / 1.185 GB, free: 5.133 MB / 0.8887 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009551/1.269, allocations: 223.7 kB / 1.186 GB, free: 4.914 MB / 0.8887 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005833/1.275, allocations: 3.775 MB / 1.189 GB, free: 0.8828 MB / 0.8887 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001916/1.277, allocations: 127.9 kB / 1.189 GB, free: 0.7578 MB / 0.8887 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000213/1.277, allocations: 68.12 kB / 1.189 GB, free: 0.6914 MB / 0.8887 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 (120): * Single equations (assignments): 115 * Array equations: 2 * 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 {(1,7), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0006457/1.278, allocations: 252.6 kB / 1.19 GB, free: 452 kB / 0.8887 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006094/1.278, allocations: 201.5 kB / 1.19 GB, free: 248 kB / 0.8887 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003703/1.282, allocations: 1.363 MB / 1.191 GB, free: 14.86 MB / 0.9044 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.21e-05/1.282, allocations: 8 kB / 1.191 GB, free: 14.86 MB / 0.9044 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.618e-06/1.282, allocations: 0 / 1.191 GB, free: 14.86 MB / 0.9044 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002381/1.284, allocations: 1.138 MB / 1.192 GB, free: 13.68 MB / 0.9044 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007158/1.292, allocations: 3.017 MB / 1.195 GB, free: 10.57 MB / 0.9044 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.711e-06/1.292, allocations: 3.938 kB / 1.195 GB, free: 10.56 MB / 0.9044 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009846/1.293, allocations: 195.9 kB / 1.195 GB, free: 10.37 MB / 0.9044 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005639/1.293, allocations: 169.6 kB / 1.196 GB, free: 10.2 MB / 0.9044 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.163e-05/1.293, allocations: 27.97 kB / 1.196 GB, free: 10.17 MB / 0.9044 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001365/1.295, allocations: 1.835 MB / 1.197 GB, free: 8.262 MB / 0.9044 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.529e-06/1.295, allocations: 4.031 kB / 1.197 GB, free: 8.258 MB / 0.9044 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004152/1.299, allocations: 1.932 MB / 1.199 GB, free: 6.289 MB / 0.9044 GB Notification: Performance of postOpt removeConstants (simulation): time 0.00114/1.3, allocations: 366.4 kB / 1.2 GB, free: 5.91 MB / 0.9044 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005292/1.301, allocations: 16 kB / 1.2 GB, free: 5.895 MB / 0.9044 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001445/1.302, allocations: 107.8 kB / 1.2 GB, free: 5.789 MB / 0.9044 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000148/1.302, allocations: 52.92 kB / 1.2 GB, free: 5.738 MB / 0.9044 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.716e-05/1.302, allocations: 43.84 kB / 1.2 GB, free: 5.695 MB / 0.9044 GB Notification: Performance of sorting global known variables: time 0.001907/1.304, allocations: 1.252 MB / 1.201 GB, free: 4.426 MB / 0.9044 GB Notification: Performance of sort global known variables: time 2.71e-07/1.304, allocations: 0 / 1.201 GB, free: 4.426 MB / 0.9044 GB Notification: Performance of remove unused functions: time 0.003385/1.308, allocations: 1.111 MB / 1.202 GB, free: 3.312 MB / 0.9044 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * 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 (75): * Single equations (assignments): 72 * 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 0.001351/1.309, allocations: 472.7 kB / 1.203 GB, free: 2.852 MB / 0.9044 GB Notification: Performance of simCode: created initialization part: time 0.005449/1.314, allocations: 2.145 MB / 1.205 GB, free: 0.6953 MB / 0.9044 GB Notification: Performance of simCode: created event and clocks part: time 7.194e-06/1.314, allocations: 4.125 kB / 1.205 GB, free: 0.6914 MB / 0.9044 GB Notification: Performance of simCode: created simulation system equations: time 0.00133/1.316, allocations: 0.5329 MB / 1.205 GB, free: 168 kB / 0.9044 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005351/1.321, allocations: 1.108 MB / 1.206 GB, free: 15.08 MB / 0.92 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007906/1.329, allocations: 4.447 MB / 1.211 GB, free: 10.6 MB / 0.92 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001395/1.33, allocations: 1.606 MB / 1.212 GB, free: 8.957 MB / 0.92 GB Notification: Performance of simCode: alias equations: time 0.002534/1.333, allocations: 0.5091 MB / 1.213 GB, free: 8.445 MB / 0.92 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004201/1.333, allocations: 151.4 kB / 1.213 GB, free: 8.297 MB / 0.92 GB Notification: Performance of SimCode: time 8.12e-07/1.333, allocations: 0 / 1.213 GB, free: 8.297 MB / 0.92 GB Notification: Performance of Templates: time 0.07465/1.408, allocations: 45.06 MB / 1.257 GB, free: 11.79 MB / 0.9669 GB make -j1 -f Buildings_8_Buildings.Fluid.Movers.Validation.SpeedControlled_y.makefile (rm -f Buildings_8_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe ; mkfifo Buildings_8_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe >> ../files/Buildings_8_Buildings.Fluid.Movers.Validation.SpeedControlled_y.sim & ./Buildings_8_Buildings.Fluid.Movers.Validation.SpeedControlled_y -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.Movers.Validation.SpeedControlled_y.pipe 2>&1)