Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Fluid.Movers.Validation.PowerSimplified.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo", uses=false) 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 3.0.0/package.mo", uses=false) Using package Buildings with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 3.0.0/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) Using package Modelica_StateGraph2 with version 2.0.2 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo) Running command: translateModel(Buildings.Fluid.Movers.Validation.PowerSimplified,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Movers.Validation.PowerSimplified") translateModel(Buildings.Fluid.Movers.Validation.PowerSimplified,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Fluid.Movers.Validation.PowerSimplified") [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:257:38-257:110:writable] Warning: The file was not encoded in UTF-8: "

An important practical aspect of state machines is the abilit...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:761:36-761:108:writable] Warning: The file was not encoded in UTF-8: "

The Modelica_StateGraph2 library is described in detail in (O...". Defaulting to 7-bit ASCII with unknown characters replaced by '?'. To change encoding when loading a file: loadFile(encoding="ISO-XXXX-YY"). To change it in a package: add a file package.encoding at the top-level. Note: The Modelica Language Specification only allows files encoded in UTF-8. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica_StateGraph2 2.0.2/package.mo:1435:36-1435:108:writable] Warning: The file was not encoded in UTF-8: "

Main Authors:
SCode: time 0.2757/0.2779, allocations: 80.83 MB / 0.6706 GB, free: 2.016 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.PowerSimplified): time 0.08617/0.3642, allocations: 73.86 MB / 0.7428 GB, free: 7.898 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.5959/0.9602, allocations: 25.17 MB / 0.7673 GB, free: 3.234 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.007034/0.9672, allocations: 123.3 kB / 0.7675 GB, free: 3.23 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.007608/0.9749, allocations: 1.682 MB / 0.7691 GB, free: 3.199 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.01976/0.9947, allocations: 3.757 MB / 0.7728 GB, free: 3.035 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.01206/1.007, allocations: 3.266 MB / 0.776 GB, free: 2.973 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.0191/1.026, allocations: 8.566 MB / 0.7843 GB, free: 2.457 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.006355/1.032, allocations: 2.753 MB / 0.787 GB, free: 1.191 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.01135/1.044, allocations: 3.212 MB / 0.7901 GB, free: 0 / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.008865/1.053, allocations: 2.672 MB / 0.7928 GB, free: 14.99 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.002217/1.055, allocations: 371.2 kB / 0.7931 GB, free: 14.99 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.01174/1.067, allocations: 2.364 MB / 0.7954 GB, free: 14.34 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.003294/1.07, allocations: 1.27 MB / 0.7967 GB, free: 13.77 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.006904/1.077, allocations: 2.167 MB / 0.7988 GB, free: 12.43 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.01745/1.094, allocations: 6.935 MB / 0.8055 GB, free: 8.289 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 7.955e-06/1.094, allocations: 6.781 kB / 0.8056 GB, free: 8.285 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.653e-06/1.094, allocations: 3.938 kB / 0.8056 GB, free: 8.281 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 0.0002512/1.095, allocations: 0 / 0.8056 GB, free: 8.281 MB / 0.5919 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 450 * Number of variables: 450 Notification: Performance of Generate backend data structure: time 0.01551/1.11, allocations: 5.16 MB / 0.8106 GB, free: 4.703 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 5.408e-05/1.11, allocations: 10.44 kB / 0.8106 GB, free: 4.703 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003914/1.114, allocations: 0.6656 MB / 0.8113 GB, free: 4.363 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01005/1.124, allocations: 4.025 MB / 0.8152 GB, free: 1.664 MB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001509/1.124, allocations: 142 kB / 0.8153 GB, free: 1.605 MB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000423/1.125, allocations: 199.7 kB / 0.8155 GB, free: 1.543 MB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.005068/1.13, allocations: 2.428 MB / 0.8179 GB, free: 15.99 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 4.731e-05/1.13, allocations: 4.438 kB / 0.8179 GB, free: 15.99 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001655/1.13, allocations: 76.78 kB / 0.818 GB, free: 15.93 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.39e-05/1.13, allocations: 53.16 kB / 0.818 GB, free: 15.93 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004238/1.135, allocations: 1.76 MB / 0.8197 GB, free: 15.06 MB / 0.6075 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 0.01718/1.152, allocations: 11.41 MB / 0.8309 GB, free: 4.578 MB / 0.6075 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003462/1.155, allocations: 1.373 MB / 0.8322 GB, free: 3.195 MB / 0.6075 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001211/1.156, allocations: 0.6232 MB / 0.8328 GB, free: 2.566 MB / 0.6075 GB Notification: Performance of preOpt evalFunc (simulation): time 0.006132/1.163, allocations: 3.37 MB / 0.8361 GB, free: 15.03 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.92e-05/1.163, allocations: 43.75 kB / 0.8362 GB, free: 14.98 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=85): time 3.045e-06/1.163, allocations: 3.938 kB / 0.8362 GB, free: 14.97 MB / 0.6231 GB Notification: Performance of matching and sorting (n=97): time 0.01866/1.181, allocations: 5.518 MB / 0.8416 GB, free: 9.391 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 7.401e-05/1.181, allocations: 111.8 kB / 0.8417 GB, free: 9.258 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005675/1.187, allocations: 3.551 MB / 0.8451 GB, free: 5.727 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 0.0004457/1.188, allocations: 57.7 kB / 0.8452 GB, free: 5.664 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.001508/1.189, allocations: 1.603 MB / 0.8467 GB, free: 4.059 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004237/1.19, allocations: 355 kB / 0.8471 GB, free: 3.715 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000692/1.19, allocations: 422.6 kB / 0.8475 GB, free: 3.293 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.000125/1.19, allocations: 301.1 kB / 0.8478 GB, free: 2.996 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002544/1.193, allocations: 1.568 MB / 0.8493 GB, free: 1.422 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.00301/1.196, allocations: 2.078 MB / 0.8513 GB, free: 15.14 MB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.004633/1.201, allocations: 3.058 MB / 0.8543 GB, free: 11.93 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.303e-06/1.201, allocations: 4 kB / 0.8543 GB, free: 11.92 MB / 0.6387 GB Notification: Performance of matching and sorting (n=219) (initialization): time 0.008038/1.209, allocations: 4.6 MB / 0.8588 GB, free: 7.281 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 0.000192/1.209, allocations: 201 kB / 0.859 GB, free: 7.066 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.879e-05/1.209, allocations: 12 kB / 0.859 GB, free: 7.055 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001326/1.21, allocations: 0.6037 MB / 0.8596 GB, free: 6.441 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001737/1.212, allocations: 363.4 kB / 0.86 GB, free: 6.086 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004513/1.216, allocations: 4.453 MB / 0.8643 GB, free: 1.395 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003216/1.22, allocations: 155.9 kB / 0.8645 GB, free: 1.242 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003371/1.22, allocations: 155.9 kB / 0.8646 GB, free: 1.09 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003435/1.223, allocations: 2.101 MB / 0.8667 GB, free: 14.98 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002318/1.226, allocations: 1.882 MB / 0.8685 GB, free: 12.9 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003554/1.229, allocations: 2.706 MB / 0.8711 GB, free: 10.04 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.662e-06/1.229, allocations: 4 kB / 0.8711 GB, free: 10.04 MB / 0.6544 GB Notification: Performance of matching and sorting (n=219) (initialization_lambda0): time 0.007357/1.237, allocations: 4.315 MB / 0.8754 GB, free: 5.684 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001962/1.237, allocations: 209.1 kB / 0.8756 GB, free: 5.461 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.922e-05/1.237, allocations: 12 kB / 0.8756 GB, free: 5.449 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001983/1.239, allocations: 0.7995 MB / 0.8763 GB, free: 4.637 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009184/1.24, allocations: 259.6 kB / 0.8766 GB, free: 4.383 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01589/1.256, allocations: 9.913 MB / 0.8863 GB, free: 10.07 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003351/1.259, allocations: 140.1 kB / 0.8864 GB, free: 9.93 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000462/1.26, allocations: 148 kB / 0.8865 GB, free: 9.785 MB / 0.67 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 53 * 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 (139): * Single equations (assignments): 131 * Array equations: 0 * Algorithm blocks: 3 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 4 * 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): 4 systems {(1,5), (1,5), (1,5), (1,5)} Notification: Performance of prepare postOptimizeDAE: time 0.000729/1.26, allocations: 271.9 kB / 0.8868 GB, free: 9.512 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000902/1.261, allocations: 341.7 kB / 0.8871 GB, free: 9.176 MB / 0.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0051/1.266, allocations: 2.204 MB / 0.8893 GB, free: 6.965 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.158e-05/1.266, allocations: 19.98 kB / 0.8893 GB, free: 6.945 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.939e-06/1.267, allocations: 3.938 kB / 0.8893 GB, free: 6.941 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003528/1.27, allocations: 1.911 MB / 0.8912 GB, free: 4.945 MB / 0.67 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.011/1.281, allocations: 4.715 MB / 0.8958 GB, free: 172 kB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.134e-05/1.281, allocations: 4 kB / 0.8958 GB, free: 168 kB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001793/1.283, allocations: 307.8 kB / 0.8961 GB, free: 15.86 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006813/1.284, allocations: 204.7 kB / 0.8963 GB, free: 15.66 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001044/1.284, allocations: 39.97 kB / 0.8963 GB, free: 15.62 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.003609/1.287, allocations: 2.411 MB / 0.8987 GB, free: 13.05 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.365e-06/1.287, allocations: 0 / 0.8987 GB, free: 13.05 MB / 0.6856 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.007443/1.295, allocations: 2.962 MB / 0.9016 GB, free: 10.04 MB / 0.6856 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002702/1.298, allocations: 0.565 MB / 0.9021 GB, free: 9.457 MB / 0.6856 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001482/1.299, allocations: 20 kB / 0.9021 GB, free: 9.438 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002358/1.301, allocations: 83.84 kB / 0.9022 GB, free: 9.355 MB / 0.6856 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002028/1.302, allocations: 72.84 kB / 0.9023 GB, free: 9.281 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001498/1.302, allocations: 59.95 kB / 0.9023 GB, free: 9.223 MB / 0.6856 GB Notification: Performance of sorting global known variables: time 0.004121/1.306, allocations: 2.437 MB / 0.9047 GB, free: 6.805 MB / 0.6856 GB Notification: Performance of sort global known variables: time 1.31e-07/1.306, allocations: 0 / 0.9047 GB, free: 6.805 MB / 0.6856 GB Notification: Performance of remove unused functions: time 0.006618/1.313, allocations: 1.534 MB / 0.9062 GB, free: 5.27 MB / 0.6856 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 7 * Number of states: 3 (pump_Nrpm.vol.dynBal.medium.T,pump_dp.vol.dynBal.medium.T,pump_m_flow.vol.dynBal.medium.T) * 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 (114): * Single equations (assignments): 103 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 9 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * 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): 1 system {(1,4)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002191/1.315, allocations: 0.7867 MB / 0.907 GB, free: 4.539 MB / 0.6856 GB Notification: Performance of simCode: created initialization part: time 0.01271/1.327, allocations: 8.47 MB / 0.9153 GB, free: 11.99 MB / 0.7012 GB Notification: Performance of simCode: created event and clocks part: time 1.194e-05/1.328, allocations: 0 / 0.9153 GB, free: 11.99 MB / 0.7012 GB Notification: Performance of simCode: created simulation system equations: time 0.00299/1.331, allocations: 0.8737 MB / 0.9161 GB, free: 11.12 MB / 0.7012 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01072/1.341, allocations: 1.865 MB / 0.9179 GB, free: 9.281 MB / 0.7012 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01133/1.353, allocations: 5.873 MB / 0.9237 GB, free: 3.371 MB / 0.7012 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.00218/1.355, allocations: 2.176 MB / 0.9258 GB, free: 1.168 MB / 0.7012 GB Notification: Performance of simCode: alias equations: time 0.003448/1.358, allocations: 0.6792 MB / 0.9265 GB, free: 496 kB / 0.7012 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006512/1.359, allocations: 243.3 kB / 0.9267 GB, free: 252 kB / 0.7012 GB Notification: Performance of SimCode: time 1.743e-06/1.359, allocations: 0 / 0.9267 GB, free: 252 kB / 0.7012 GB Notification: Performance of Templates: time 0.1439/1.503, allocations: 85.87 MB / 1.011 GB, free: 10.88 MB / 0.795 GB make -j1 -f Buildings_3.0.0_Buildings.Fluid.Movers.Validation.PowerSimplified.makefile (rm -f Buildings_3.0.0_Buildings.Fluid.Movers.Validation.PowerSimplified.pipe ; mkfifo Buildings_3.0.0_Buildings.Fluid.Movers.Validation.PowerSimplified.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Fluid.Movers.Validation.PowerSimplified.pipe >> ../files/Buildings_3.0.0_Buildings.Fluid.Movers.Validation.PowerSimplified.sim & ./Buildings_3.0.0_Buildings.Fluid.Movers.Validation.PowerSimplified -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Fluid.Movers.Validation.PowerSimplified.pipe 2>&1)