Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.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/BuildSysPro 3.6.0/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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(BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y") translateModel(BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.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 0.001044/0.001044, allocations: 103.6 kB / 16.41 MB, free: 6.496 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009902/0.0009902, allocations: 191 kB / 17.34 MB, free: 5.766 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.225/1.225, allocations: 222.9 MB / 241 MB, free: 15.14 MB / 206.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 0.8108/0.8108, allocations: 143.1 MB / 434.3 MB, free: 12 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001108/0.001108, allocations: 72.2 kB / 0.5962 GB, free: 12.38 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1407/0.1418, allocations: 82.02 MB / 0.6763 GB, free: 10.46 MB / 0.5137 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y): time 0.5935/0.7353, allocations: 325.7 MB / 0.9944 GB, free: 7.863 MB / 0.7637 GB Notification: Performance of NFInst.instExpressions: time 0.02888/0.7642, allocations: 22.36 MB / 1.016 GB, free: 1.445 MB / 0.7794 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003051/0.7673, allocations: 95.44 kB / 1.016 GB, free: 1.352 MB / 0.7794 GB Notification: Performance of NFTyping.typeComponents: time 0.005774/0.7731, allocations: 2.342 MB / 1.019 GB, free: 15 MB / 0.795 GB Notification: Performance of NFTyping.typeBindings: time 0.01039/0.7835, allocations: 4.52 MB / 1.023 GB, free: 10.46 MB / 0.795 GB Notification: Performance of NFTyping.typeClassSections: time 0.005699/0.7893, allocations: 2.412 MB / 1.025 GB, free: 8.074 MB / 0.795 GB Notification: Performance of NFFlatten.flatten: time 0.02345/0.8127, allocations: 17.69 MB / 1.043 GB, free: 6.359 MB / 0.8106 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003646/0.8164, allocations: 2.309 MB / 1.045 GB, free: 4.008 MB / 0.8106 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007817/0.8242, allocations: 3.343 MB / 1.048 GB, free: 0.6523 MB / 0.8106 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004086/0.8284, allocations: 2.06 MB / 1.05 GB, free: 14.59 MB / 0.8262 GB Notification: Performance of NFPackage.collectConstants: time 0.001007/0.8294, allocations: 276 kB / 1.05 GB, free: 14.32 MB / 0.8262 GB Notification: Performance of NFFlatten.collectFunctions: time 0.00806/0.8375, allocations: 4.151 MB / 1.055 GB, free: 10.16 MB / 0.8262 GB Notification: Performance of NFScalarize.scalarize: time 0.001718/0.8392, allocations: 1.254 MB / 1.056 GB, free: 8.898 MB / 0.8262 GB Notification: Performance of NFVerifyModel.verify: time 0.002514/0.8418, allocations: 1.784 MB / 1.057 GB, free: 7.105 MB / 0.8262 GB Notification: Performance of NFConvertDAE.convert: time 0.009615/0.8514, allocations: 6.501 MB / 1.064 GB, free: 0.5859 MB / 0.8262 GB Notification: Performance of FrontEnd - DAE generated: time 5.229e-06/0.8514, allocations: 0 / 1.064 GB, free: 0.5859 MB / 0.8262 GB Notification: Performance of FrontEnd: time 1.533e-06/0.8514, allocations: 4 kB / 1.064 GB, free: 0.582 MB / 0.8262 GB Notification: Performance of Transformations before backend: time 6.798e-05/0.8515, allocations: 0 / 1.064 GB, free: 0.582 MB / 0.8262 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 357 * Number of variables: 357 Notification: Performance of Generate backend data structure: time 0.3058/1.157, allocations: 3.906 MB / 1.068 GB, free: 321.9 MB / 0.8262 GB Notification: Performance of prepare preOptimizeDAE: time 4.22e-05/1.157, allocations: 8.812 kB / 1.068 GB, free: 321.9 MB / 0.8262 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.008228/1.166, allocations: 1.22 MB / 1.069 GB, free: 321.7 MB / 0.8262 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01061/1.176, allocations: 3.902 MB / 1.073 GB, free: 320 MB / 0.8262 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002518/1.177, allocations: 120.3 kB / 1.073 GB, free: 319.9 MB / 0.8262 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007534/1.177, allocations: 155.6 kB / 1.073 GB, free: 319.9 MB / 0.8262 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004742/1.182, allocations: 2 MB / 1.075 GB, free: 319.1 MB / 0.8262 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.513e-05/1.182, allocations: 5.25 kB / 1.075 GB, free: 319 MB / 0.8262 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001624/1.182, allocations: 57.25 kB / 1.075 GB, free: 319 MB / 0.8262 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.223e-05/1.182, allocations: 51.39 kB / 1.075 GB, free: 319 MB / 0.8262 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003816/1.186, allocations: 1.697 MB / 1.077 GB, free: 318.5 MB / 0.8262 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 0.01229/1.199, allocations: 9.146 MB / 1.086 GB, free: 312.3 MB / 0.8262 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003208/1.202, allocations: 1.274 MB / 1.087 GB, free: 311.9 MB / 0.8262 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001446/1.203, allocations: 0.6908 MB / 1.087 GB, free: 311.7 MB / 0.8262 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001785/1.203, allocations: 110.3 kB / 1.088 GB, free: 311.6 MB / 0.8262 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.491e-05/1.204, allocations: 45.69 kB / 1.088 GB, free: 311.5 MB / 0.8262 GB Notification: Performance of pre-optimization done (n=81): time 3.046e-06/1.204, allocations: 0 / 1.088 GB, free: 311.5 MB / 0.8262 GB Notification: Performance of matching and sorting (n=81): time 0.00627/1.21, allocations: 2.335 MB / 1.09 GB, free: 310.3 MB / 0.8262 GB Notification: Performance of inlineWhenForInitialization (initialization): time 2.582e-05/1.21, allocations: 60.88 kB / 1.09 GB, free: 310.3 MB / 0.8262 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004169/1.214, allocations: 3.018 MB / 1.093 GB, free: 308.7 MB / 0.8262 GB Notification: Performance of collectPreVariables (initialization): time 0.0003112/1.214, allocations: 48.58 kB / 1.093 GB, free: 308.6 MB / 0.8262 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007811/1.215, allocations: 1.273 MB / 1.094 GB, free: 307.5 MB / 0.8262 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003374/1.215, allocations: 299 kB / 1.094 GB, free: 307.3 MB / 0.8262 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006112/1.216, allocations: 465.6 kB / 1.095 GB, free: 307 MB / 0.8262 GB Notification: Performance of setup shared object (initialization): time 3.448e-05/1.216, allocations: 305.1 kB / 1.095 GB, free: 306.7 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001885/1.218, allocations: 1.315 MB / 1.097 GB, free: 306.1 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002092/1.22, allocations: 1.814 MB / 1.098 GB, free: 304.9 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.003427/1.224, allocations: 2.871 MB / 1.101 GB, free: 303.3 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.948e-06/1.224, allocations: 3.969 kB / 1.101 GB, free: 303.3 MB / 0.8262 GB Notification: Performance of matching and sorting (n=263) (initialization): time 0.00506/1.229, allocations: 3.606 MB / 1.105 GB, free: 301.5 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 2.061e-05/1.229, allocations: 11.88 kB / 1.105 GB, free: 301.5 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.407e-05/1.229, allocations: 11.25 kB / 1.105 GB, free: 301.5 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008085/1.23, allocations: 344.2 kB / 1.105 GB, free: 301.4 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001413/1.231, allocations: 380.6 kB / 1.105 GB, free: 301.3 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001034/1.232, allocations: 1.914 MB / 1.107 GB, free: 299.5 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002358/1.234, allocations: 231.2 kB / 1.107 GB, free: 299.3 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001638/1.235, allocations: 104.7 kB / 1.108 GB, free: 299.3 MB / 0.8262 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002305/1.237, allocations: 1.789 MB / 1.109 GB, free: 297.5 MB / 0.8262 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001609/1.238, allocations: 1.589 MB / 1.111 GB, free: 295.8 MB / 0.8262 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.00281/1.241, allocations: 2.465 MB / 1.113 GB, free: 293.2 MB / 0.8262 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.4e-06/1.241, allocations: 5.406 kB / 1.113 GB, free: 293.2 MB / 0.8262 GB Notification: Performance of matching and sorting (n=263) (initialization_lambda0): time 0.004851/1.246, allocations: 3.225 MB / 1.116 GB, free: 290 MB / 0.8262 GB Notification: Performance of prepare postOptimizeDAE: time 1.602e-05/1.246, allocations: 12 kB / 1.116 GB, free: 289.9 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.262e-05/1.246, allocations: 11.98 kB / 1.116 GB, free: 289.9 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001092/1.247, allocations: 361.8 kB / 1.117 GB, free: 289.6 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001238/1.249, allocations: 351.5 kB / 1.117 GB, free: 289.2 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004205/1.253, allocations: 4.191 MB / 1.121 GB, free: 284.8 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002623/1.255, allocations: 197.1 kB / 1.121 GB, free: 284.6 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002249/1.256, allocations: 91.97 kB / 1.121 GB, free: 284.5 MB / 0.8262 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 (184): * Single equations (assignments): 177 * 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 0.0004426/1.256, allocations: 265.6 kB / 1.122 GB, free: 284.3 MB / 0.8262 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005391/1.257, allocations: 268.4 kB / 1.122 GB, free: 284 MB / 0.8262 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003525/1.26, allocations: 1.71 MB / 1.124 GB, free: 282.3 MB / 0.8262 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.224e-06/1.26, allocations: 12 kB / 1.124 GB, free: 282.3 MB / 0.8262 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.997e-06/1.26, allocations: 0 / 1.124 GB, free: 282.3 MB / 0.8262 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002599/1.263, allocations: 1.426 MB / 1.125 GB, free: 280.8 MB / 0.8262 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006827/1.27, allocations: 3.766 MB / 1.129 GB, free: 277 MB / 0.8262 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.532e-06/1.27, allocations: 4 kB / 1.129 GB, free: 277 MB / 0.8262 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001115/1.271, allocations: 215.8 kB / 1.129 GB, free: 276.8 MB / 0.8262 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004943/1.271, allocations: 185.3 kB / 1.129 GB, free: 276.6 MB / 0.8262 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.322e-05/1.271, allocations: 35.91 kB / 1.129 GB, free: 276.5 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007962/1.272, allocations: 1.866 MB / 1.131 GB, free: 274.6 MB / 0.8262 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.646e-06/1.272, allocations: 12.03 kB / 1.131 GB, free: 274.6 MB / 0.8262 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004744/1.277, allocations: 2.446 MB / 1.133 GB, free: 272.1 MB / 0.8262 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001515/1.279, allocations: 481.2 kB / 1.134 GB, free: 271.6 MB / 0.8262 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0008548/1.279, allocations: 23.98 kB / 1.134 GB, free: 271.6 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001849/1.281, allocations: 75.92 kB / 1.134 GB, free: 271.5 MB / 0.8262 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001231/1.281, allocations: 56.52 kB / 1.134 GB, free: 271.5 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.874e-05/1.282, allocations: 52.03 kB / 1.134 GB, free: 271.4 MB / 0.8262 GB Notification: Performance of sorting global known variables: time 0.002912/1.284, allocations: 2.016 MB / 1.136 GB, free: 269.4 MB / 0.8262 GB Notification: Performance of sort global known variables: time 4.11e-07/1.284, allocations: 4 kB / 1.136 GB, free: 269.4 MB / 0.8262 GB Notification: Performance of remove unused functions: time 0.003363/1.288, allocations: 1.427 MB / 1.137 GB, free: 268 MB / 0.8262 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 (73): * Single equations (assignments): 70 * 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 0.001272/1.289, allocations: 0.6474 MB / 1.138 GB, free: 267.4 MB / 0.8262 GB Notification: Performance of simCode: created initialization part: time 0.005958/1.295, allocations: 3.948 MB / 1.142 GB, free: 263.4 MB / 0.8262 GB Notification: Performance of simCode: created event and clocks part: time 5.26e-06/1.295, allocations: 0 / 1.142 GB, free: 263.4 MB / 0.8262 GB Notification: Performance of simCode: created simulation system equations: time 0.001429/1.297, allocations: 0.661 MB / 1.143 GB, free: 262.8 MB / 0.8262 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005373/1.302, allocations: 1.508 MB / 1.144 GB, free: 261.3 MB / 0.8262 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006987/1.309, allocations: 5.099 MB / 1.149 GB, free: 256.2 MB / 0.8262 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00108/1.31, allocations: 1.95 MB / 1.151 GB, free: 254.2 MB / 0.8262 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008005/1.311, allocations: 219.3 kB / 1.151 GB, free: 254 MB / 0.8262 GB Notification: Performance of SimCode: time 1.132e-06/1.311, allocations: 0 / 1.151 GB, free: 254 MB / 0.8262 GB Notification: Performance of Templates: time 0.0732/1.384, allocations: 88.63 MB / 1.238 GB, free: 165.6 MB / 0.8262 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y.pipe 2>&1)