Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.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.HeatPumps.Validation.Carnot_TCon_LowTemperature,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature") translateModel(Buildings.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001047/0.001047, allocations: 102.8 kB / 16.36 MB, free: 6.461 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00104/0.00104, allocations: 193.7 kB / 17.3 MB, free: 5.812 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.293/1.293, allocations: 205.1 MB / 223.2 MB, free: 12.27 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.757/1.757, allocations: 292.3 MB / 0.5496 GB, free: 17.48 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 0.002639/0.002639, allocations: 67.19 kB / 0.6729 GB, free: 5.859 MB / 0.545 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2073/0.21, allocations: 114.5 MB / 0.7848 GB, free: 3.195 MB / 0.6544 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature): time 0.3967/0.6067, allocations: 61.29 MB / 0.8446 GB, free: 8.863 MB / 0.6544 GB Notification: Performance of NFInst.instExpressions: time 0.0157/0.6224, allocations: 11.92 MB / 0.8563 GB, free: 348 kB / 0.6544 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00285/0.6253, allocations: 60.38 kB / 0.8563 GB, free: 324 kB / 0.6544 GB Notification: Performance of NFTyping.typeComponents: time 0.002424/0.6278, allocations: 0.6865 MB / 0.857 GB, free: 15.88 MB / 0.67 GB Notification: Performance of NFTyping.typeBindings: time 0.006733/0.6346, allocations: 1.949 MB / 0.8589 GB, free: 14.71 MB / 0.67 GB Notification: Performance of NFTyping.typeClassSections: time 0.003803/0.6384, allocations: 1.226 MB / 0.8601 GB, free: 14.04 MB / 0.67 GB Notification: Performance of NFFlatten.flatten: time 0.004933/0.6433, allocations: 3.085 MB / 0.8631 GB, free: 12.53 MB / 0.67 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001748/0.6451, allocations: 1.122 MB / 0.8642 GB, free: 12.02 MB / 0.67 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003124/0.6482, allocations: 1.351 MB / 0.8655 GB, free: 11.36 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001573/0.6498, allocations: 0.9198 MB / 0.8664 GB, free: 10.92 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.0002197/0.6501, allocations: 118.4 kB / 0.8665 GB, free: 10.92 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003434/0.6535, allocations: 1.443 MB / 0.8679 GB, free: 10.43 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.000347/0.6539, allocations: 295.6 kB / 0.8682 GB, free: 10.24 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.0009477/0.6548, allocations: 0.7051 MB / 0.8689 GB, free: 9.801 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.003994/0.6588, allocations: 2.335 MB / 0.8712 GB, free: 8.531 MB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 5.28e-06/0.6589, allocations: 0.9688 kB / 0.8712 GB, free: 8.531 MB / 0.67 GB Notification: Performance of FrontEnd: time 1.864e-06/0.6589, allocations: 0 / 0.8712 GB, free: 8.531 MB / 0.67 GB Notification: Performance of Transformations before backend: time 2.411e-05/0.6589, allocations: 0 / 0.8712 GB, free: 8.531 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: 194 * Number of variables: 194 Notification: Performance of Generate backend data structure: time 0.003553/0.6625, allocations: 1.755 MB / 0.8729 GB, free: 7.184 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 3.652e-05/0.6625, allocations: 9.406 kB / 0.8729 GB, free: 7.184 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002329/0.6648, allocations: 415.6 kB / 0.8733 GB, free: 6.992 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002325/0.6672, allocations: 1.111 MB / 0.8744 GB, free: 6.09 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003619/0.6676, allocations: 126.2 kB / 0.8745 GB, free: 6.035 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001346/0.6677, allocations: 80.59 kB / 0.8746 GB, free: 6.012 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002178/0.6699, allocations: 1.025 MB / 0.8756 GB, free: 5.34 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.261e-05/0.6699, allocations: 4.75 kB / 0.8756 GB, free: 5.336 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.374e-05/0.67, allocations: 32.94 kB / 0.8756 GB, free: 5.312 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.094e-05/0.67, allocations: 18.47 kB / 0.8756 GB, free: 5.312 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002431/0.6725, allocations: 0.9132 MB / 0.8765 GB, free: 4.867 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 0.007234/0.6797, allocations: 4.97 MB / 0.8814 GB, free: 460 kB / 0.67 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003685/0.6834, allocations: 0.8496 MB / 0.8822 GB, free: 20 kB / 0.67 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008565/0.6843, allocations: 336.9 kB / 0.8825 GB, free: 15.86 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0008218/0.6851, allocations: 0.9111 MB / 0.8834 GB, free: 14.79 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.546e-05/0.6852, allocations: 37.34 kB / 0.8835 GB, free: 14.75 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=48): time 2.886e-06/0.6852, allocations: 0 / 0.8835 GB, free: 14.75 MB / 0.6856 GB Notification: Performance of matching and sorting (n=48): time 0.008915/0.6941, allocations: 2.012 MB / 0.8854 GB, free: 13.72 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.174e-05/0.6942, allocations: 56.91 kB / 0.8855 GB, free: 13.66 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001936/0.6961, allocations: 1.085 MB / 0.8866 GB, free: 13.05 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 8.428e-05/0.6962, allocations: 34.45 kB / 0.8866 GB, free: 13.02 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004679/0.6967, allocations: 0.5337 MB / 0.8871 GB, free: 12.55 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001536/0.6969, allocations: 171.4 kB / 0.8873 GB, free: 12.4 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002568/0.6971, allocations: 142.5 kB / 0.8874 GB, free: 12.31 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 0.0001244/0.6973, allocations: 331.4 kB / 0.8877 GB, free: 11.99 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009948/0.6983, allocations: 339 kB / 0.888 GB, free: 11.82 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001247/0.6995, allocations: 0.5644 MB / 0.8886 GB, free: 11.36 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001859/0.7014, allocations: 0.7634 MB / 0.8893 GB, free: 10.87 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.531e-06/0.7014, allocations: 0.9375 kB / 0.8893 GB, free: 10.87 MB / 0.6856 GB Notification: Performance of matching and sorting (n=76) (initialization): time 0.004173/0.7056, allocations: 1.25 MB / 0.8906 GB, free: 10.25 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 2.271e-05/0.7056, allocations: 7.031 kB / 0.8906 GB, free: 10.25 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.374e-05/0.7057, allocations: 4.969 kB / 0.8906 GB, free: 10.25 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001255/0.7069, allocations: 308.9 kB / 0.8909 GB, free: 10.11 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006396/0.7076, allocations: 149.8 kB / 0.891 GB, free: 10.07 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001481/0.7091, allocations: 0.9213 MB / 0.8919 GB, free: 9.336 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001483/0.7106, allocations: 157.1 kB / 0.8921 GB, free: 9.254 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.45e-05/0.7107, allocations: 30.7 kB / 0.8921 GB, free: 9.246 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001341/0.712, allocations: 0.5497 MB / 0.8926 GB, free: 8.918 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00114/0.7132, allocations: 0.5551 MB / 0.8932 GB, free: 8.473 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001823/0.715, allocations: 0.7563 MB / 0.8939 GB, free: 7.977 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.191e-06/0.715, allocations: 1.594 kB / 0.8939 GB, free: 7.977 MB / 0.6856 GB Notification: Performance of matching and sorting (n=76) (initialization_lambda0): time 0.003694/0.7187, allocations: 1.224 MB / 0.8951 GB, free: 7.371 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 1.34e-05/0.7187, allocations: 7.875 kB / 0.8951 GB, free: 7.371 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.712e-06/0.7187, allocations: 4.156 kB / 0.8951 GB, free: 7.371 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001057/0.7198, allocations: 309.1 kB / 0.8954 GB, free: 7.227 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005958/0.7204, allocations: 145.5 kB / 0.8955 GB, free: 7.184 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001427/0.7218, allocations: 0.9162 MB / 0.8964 GB, free: 6.453 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001325/0.7232, allocations: 152.2 kB / 0.8966 GB, free: 6.375 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.496e-05/0.7233, allocations: 30.27 kB / 0.8966 GB, free: 6.367 MB / 0.6856 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 21 * 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 (62): * Single equations (assignments): 61 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * 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 {(1,14)} Notification: Performance of prepare postOptimizeDAE: time 0.0002493/0.7235, allocations: 221.8 kB / 0.8968 GB, free: 6.156 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001875/0.7237, allocations: 112.7 kB / 0.8969 GB, free: 6.098 MB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003874/0.7276, allocations: 1.201 MB / 0.8981 GB, free: 5.309 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.635e-05/0.7276, allocations: 13.12 kB / 0.8981 GB, free: 5.297 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.881e-06/0.7276, allocations: 0 / 0.8981 GB, free: 5.297 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.127e-06/0.7276, allocations: 3.984 kB / 0.8981 GB, free: 5.293 MB / 0.6856 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00517/0.7328, allocations: 2.286 MB / 0.9004 GB, free: 2.922 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.783e-06/0.7328, allocations: 4.031 kB / 0.9004 GB, free: 2.918 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003466/0.7332, allocations: 75.88 kB / 0.9004 GB, free: 2.844 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0009527/0.7342, allocations: 305.3 kB / 0.9007 GB, free: 2.543 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.196e-05/0.7342, allocations: 17.61 kB / 0.9007 GB, free: 2.527 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001428/0.7356, allocations: 0.9398 MB / 0.9017 GB, free: 1.562 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.737e-06/0.7357, allocations: 4 kB / 0.9017 GB, free: 1.559 MB / 0.6856 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003758/0.7394, allocations: 1.251 MB / 0.9029 GB, free: 264 kB / 0.6856 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005375/0.74, allocations: 271.5 kB / 0.9031 GB, free: 15.97 MB / 0.7012 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001461/0.7401, allocations: 19.94 kB / 0.9032 GB, free: 15.95 MB / 0.7012 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008574/0.741, allocations: 75.91 kB / 0.9032 GB, free: 15.88 MB / 0.7012 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 9.971e-05/0.7411, allocations: 51.25 kB / 0.9033 GB, free: 15.83 MB / 0.7012 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.425e-05/0.7412, allocations: 23.98 kB / 0.9033 GB, free: 15.8 MB / 0.7012 GB Notification: Performance of sorting global known variables: time 0.001184/0.7424, allocations: 0.7555 MB / 0.904 GB, free: 15.04 MB / 0.7012 GB Notification: Performance of sort global known variables: time 1.4e-07/0.7424, allocations: 0 / 0.904 GB, free: 15.04 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.001625/0.744, allocations: 0.5771 MB / 0.9046 GB, free: 14.46 MB / 0.7012 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 10 * 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 (38): * Single equations (assignments): 33 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * 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 {(1,16)} Notification: Performance of Backend phase and start with SimCode phase: time 0.000791/0.7448, allocations: 386 kB / 0.905 GB, free: 14.09 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.003324/0.7481, allocations: 1.241 MB / 0.9062 GB, free: 12.86 MB / 0.7012 GB Notification: Performance of simCode: created event and clocks part: time 3.467e-06/0.7481, allocations: 0 / 0.9062 GB, free: 12.86 MB / 0.7012 GB Notification: Performance of simCode: created simulation system equations: time 0.0009803/0.7491, allocations: 394.8 kB / 0.9066 GB, free: 12.47 MB / 0.7012 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002136/0.7513, allocations: 0.542 MB / 0.9071 GB, free: 11.98 MB / 0.7012 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004805/0.7561, allocations: 2.06 MB / 0.9091 GB, free: 9.859 MB / 0.7012 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006045/0.7567, allocations: 1.07 MB / 0.9102 GB, free: 8.758 MB / 0.7012 GB Notification: Performance of simCode: alias equations: time 0.0007817/0.7575, allocations: 237.7 kB / 0.9104 GB, free: 8.539 MB / 0.7012 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001871/0.7577, allocations: 87.41 kB / 0.9105 GB, free: 8.453 MB / 0.7012 GB Notification: Performance of SimCode: time 3.81e-07/0.7577, allocations: 0 / 0.9105 GB, free: 8.453 MB / 0.7012 GB Notification: Performance of Templates: time 0.0382/0.7959, allocations: 25.92 MB / 0.9358 GB, free: 14.95 MB / 0.7325 GB make -j1 -f Buildings_8_Buildings.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.makefile (rm -f Buildings_8_Buildings.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.pipe ; mkfifo Buildings_8_Buildings.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.pipe >> ../files/Buildings_8_Buildings.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.sim & ./Buildings_8_Buildings.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > Buildings_8_Buildings.Fluid.HeatPumps.Validation.Carnot_TCon_LowTemperature.pipe 2>&1)