Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.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/IDEAS 3.0.0-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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(IDEAS.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y") translateModel(IDEAS.Fluid.Movers.Validation.SpeedControlled_y,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.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 0.001615/0.001621, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001816/0.001816, allocations: 197.2 kB / 16.14 MB, free: 6.707 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.499/1.499, allocations: 222.9 MB / 239.8 MB, free: 4.543 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.9982/0.9982, allocations: 135.6 MB / 425.5 MB, free: 11.98 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001954/0.001954, allocations: 68.64 kB / 0.5052 GB, free: 5.297 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1886/0.1906, allocations: 81.01 MB / 0.5843 GB, free: 4.422 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Movers.Validation.SpeedControlled_y): time 1.082/1.273, allocations: 321.3 MB / 0.8981 GB, free: 32.39 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.02577/1.299, allocations: 20.35 MB / 0.918 GB, free: 32.11 MB / 0.67 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.003632/1.302, allocations: 80.06 kB / 0.9181 GB, free: 32.11 MB / 0.67 GB Notification: Performance of NFTyping.typeComponents: time 0.004174/1.307, allocations: 1.278 MB / 0.9193 GB, free: 32.07 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.01071/1.317, allocations: 3.934 MB / 0.9232 GB, free: 31.88 MB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.005629/1.323, allocations: 2.059 MB / 0.9252 GB, free: 31.82 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.01043/1.334, allocations: 7.842 MB / 0.9328 GB, free: 31.8 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004309/1.338, allocations: 1.92 MB / 0.9347 GB, free: 31.49 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.008665/1.347, allocations: 2.768 MB / 0.9374 GB, free: 31.45 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004693/1.351, allocations: 1.897 MB / 0.9393 GB, free: 31.2 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.0006452/1.352, allocations: 122.3 kB / 0.9394 GB, free: 31.2 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.008181/1.36, allocations: 4.167 MB / 0.9434 GB, free: 31.16 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.00121/1.361, allocations: 0.8346 MB / 0.9443 GB, free: 31.05 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.001858/1.363, allocations: 1.29 MB / 0.9455 GB, free: 30.66 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.007241/1.371, allocations: 5.171 MB / 0.9506 GB, free: 28.7 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 3.897e-06/1.371, allocations: 0 / 0.9506 GB, free: 28.7 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.032e-06/1.371, allocations: 2.594 kB / 0.9506 GB, free: 28.7 MB / 0.67 GB Notification: Performance of Transformations before backend: time 5.869e-05/1.371, allocations: 0 / 0.9506 GB, free: 28.7 MB / 0.67 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 0.005567/1.376, allocations: 3.128 MB / 0.9536 GB, free: 26.87 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 4.196e-05/1.376, allocations: 8.781 kB / 0.9536 GB, free: 26.87 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.00583/1.382, allocations: 0.8496 MB / 0.9545 GB, free: 26.5 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004462/1.387, allocations: 2.108 MB / 0.9565 GB, free: 25.51 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001059/1.387, allocations: 119.9 kB / 0.9566 GB, free: 25.5 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003385/1.387, allocations: 153.7 kB / 0.9568 GB, free: 25.5 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003017/1.39, allocations: 1.716 MB / 0.9585 GB, free: 25 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.236e-05/1.39, allocations: 0 / 0.9585 GB, free: 25 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001379/1.39, allocations: 60.19 kB / 0.9585 GB, free: 24.99 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.513e-05/1.39, allocations: 47.86 kB / 0.9586 GB, free: 24.99 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002648/1.393, allocations: 1.356 MB / 0.9599 GB, free: 24.37 MB / 0.67 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 0.008651/1.402, allocations: 7.708 MB / 0.9674 GB, free: 17.79 MB / 0.67 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002335/1.404, allocations: 0.9745 MB / 0.9684 GB, free: 17.3 MB / 0.67 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001062/1.405, allocations: 0.5473 MB / 0.9689 GB, free: 17.04 MB / 0.67 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001831/1.405, allocations: 113.9 kB / 0.969 GB, free: 16.93 MB / 0.67 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.614e-05/1.405, allocations: 37.81 kB / 0.969 GB, free: 16.89 MB / 0.67 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001072/1.406, allocations: 142.5 kB / 0.9692 GB, free: 16.8 MB / 0.67 GB Notification: Performance of pre-optimization done (n=81): time 3.217e-06/1.406, allocations: 0 / 0.9692 GB, free: 16.8 MB / 0.67 GB Notification: Performance of matching and sorting (n=81): time 0.004849/1.411, allocations: 1.824 MB / 0.971 GB, free: 15.79 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.458e-05/1.411, allocations: 60.03 kB / 0.971 GB, free: 15.73 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00214/1.414, allocations: 1.862 MB / 0.9728 GB, free: 14.69 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 0.0001302/1.414, allocations: 49.7 kB / 0.9729 GB, free: 14.64 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005501/1.414, allocations: 1.011 MB / 0.9739 GB, free: 13.62 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002292/1.414, allocations: 284.5 kB / 0.9741 GB, free: 13.34 MB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003226/1.415, allocations: 246.7 kB / 0.9744 GB, free: 13.1 MB / 0.67 GB Notification: Performance of setup shared object (initialization): time 7.445e-05/1.415, allocations: 353.9 kB / 0.9747 GB, free: 12.75 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001005/1.416, allocations: 0.5355 MB / 0.9752 GB, free: 12.21 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001193/1.417, allocations: 0.9488 MB / 0.9762 GB, free: 11.09 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002084/1.419, allocations: 1.421 MB / 0.9776 GB, free: 9.57 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.384e-06/1.419, allocations: 4 kB / 0.9776 GB, free: 9.566 MB / 0.67 GB Notification: Performance of matching and sorting (n=135) (initialization): time 0.003359/1.423, allocations: 1.792 MB / 0.9793 GB, free: 7.824 MB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 2.546e-05/1.423, allocations: 8 kB / 0.9793 GB, free: 7.816 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.195e-05/1.423, allocations: 8 kB / 0.9793 GB, free: 7.809 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008871/1.424, allocations: 281.9 kB / 0.9796 GB, free: 7.535 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001081/1.425, allocations: 251.2 kB / 0.9798 GB, free: 7.305 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001068/1.426, allocations: 1.869 MB / 0.9817 GB, free: 5.371 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001831/1.428, allocations: 128 kB / 0.9818 GB, free: 5.246 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001286/1.428, allocations: 67.97 kB / 0.9818 GB, free: 5.18 MB / 0.67 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001579/1.429, allocations: 0.9124 MB / 0.9827 GB, free: 4.266 MB / 0.67 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008868/1.43, allocations: 0.8695 MB / 0.9836 GB, free: 3.227 MB / 0.67 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001589/1.432, allocations: 1.281 MB / 0.9848 GB, free: 1.855 MB / 0.67 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.631e-06/1.432, allocations: 8 kB / 0.9848 GB, free: 1.848 MB / 0.67 GB Notification: Performance of matching and sorting (n=135) (initialization_lambda0): time 0.003138/1.435, allocations: 1.666 MB / 0.9865 GB, free: 228 kB / 0.67 GB Notification: Performance of prepare postOptimizeDAE: time 1.483e-05/1.435, allocations: 8 kB / 0.9865 GB, free: 220 kB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.153e-05/1.435, allocations: 14.42 kB / 0.9865 GB, free: 208 kB / 0.67 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001201/1.436, allocations: 304.2 kB / 0.9868 GB, free: 15.9 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009584/1.437, allocations: 231.2 kB / 0.987 GB, free: 15.69 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005535/1.443, allocations: 3.523 MB / 0.9904 GB, free: 11.95 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001759/1.445, allocations: 130.1 kB / 0.9906 GB, free: 11.82 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001196/1.445, allocations: 59.98 kB / 0.9906 GB, free: 11.77 MB / 0.6856 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 (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 0.0003731/1.445, allocations: 248.1 kB / 0.9909 GB, free: 11.53 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003291/1.445, allocations: 205.5 kB / 0.9911 GB, free: 11.33 MB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003414/1.449, allocations: 1.334 MB / 0.9924 GB, free: 9.984 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.016e-05/1.449, allocations: 8 kB / 0.9924 GB, free: 9.977 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.226e-06/1.449, allocations: 0 / 0.9924 GB, free: 9.977 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002578/1.451, allocations: 1.123 MB / 0.9935 GB, free: 8.828 MB / 0.6856 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 0.006665/1.458, allocations: 3.093 MB / 0.9965 GB, free: 5.664 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.45e-06/1.458, allocations: 0 / 0.9965 GB, free: 5.664 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001036/1.459, allocations: 187.6 kB / 0.9967 GB, free: 5.488 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005967/1.46, allocations: 190.1 kB / 0.9968 GB, free: 5.305 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.669e-05/1.46, allocations: 19.98 kB / 0.9969 GB, free: 5.285 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001455/1.461, allocations: 1.828 MB / 0.9987 GB, free: 3.387 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.458e-06/1.461, allocations: 4 kB / 0.9987 GB, free: 3.383 MB / 0.6856 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004317/1.466, allocations: 1.881 MB / 1 GB, free: 1.477 MB / 0.6856 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009571/1.467, allocations: 358.5 kB / 1.001 GB, free: 1.105 MB / 0.6856 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003234/1.467, allocations: 20 kB / 1.001 GB, free: 1.086 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001245/1.468, allocations: 119.7 kB / 1.001 GB, free: 0.9688 MB / 0.6856 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001377/1.468, allocations: 56.52 kB / 1.001 GB, free: 0.9141 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.068e-05/1.468, allocations: 35.97 kB / 1.001 GB, free: 0.8789 MB / 0.6856 GB Notification: Performance of sorting global known variables: time 0.00198/1.47, allocations: 1.269 MB / 1.002 GB, free: 15.59 MB / 0.7012 GB Notification: Performance of sort global known variables: time 2.31e-07/1.47, allocations: 0 / 1.002 GB, free: 15.59 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.003199/1.474, allocations: 1.107 MB / 1.003 GB, free: 14.48 MB / 0.7012 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 (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 0.001286/1.475, allocations: 471.7 kB / 1.004 GB, free: 14.06 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.005514/1.48, allocations: 2.027 MB / 1.006 GB, free: 12.09 MB / 0.7012 GB Notification: Performance of simCode: created event and clocks part: time 5.942e-06/1.481, allocations: 128 / 1.006 GB, free: 12.09 MB / 0.7012 GB Notification: Performance of simCode: created simulation system equations: time 0.001404/1.482, allocations: 0.5148 MB / 1.006 GB, free: 11.59 MB / 0.7012 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005482/1.487, allocations: 1.053 MB / 1.007 GB, free: 10.57 MB / 0.7012 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007618/1.495, allocations: 4.427 MB / 1.012 GB, free: 6.109 MB / 0.7012 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001509/1.497, allocations: 1.606 MB / 1.013 GB, free: 4.469 MB / 0.7012 GB Notification: Performance of simCode: alias equations: time 0.002522/1.499, allocations: 0.4898 MB / 1.014 GB, free: 3.977 MB / 0.7012 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004362/1.5, allocations: 151.4 kB / 1.014 GB, free: 3.832 MB / 0.7012 GB Notification: Performance of SimCode: time 8.81e-07/1.5, allocations: 0 / 1.014 GB, free: 3.832 MB / 0.7012 GB Notification: Performance of Templates: time 0.0781/1.578, allocations: 43.85 MB / 1.057 GB, free: 8.543 MB / 0.7481 GB make -j1 -f IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y.makefile (rm -f IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y.sim & ./IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.Movers.Validation.SpeedControlled_y.pipe 2>&1)