Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.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 7.0.3-maint.7.0.x/package.mo", uses=false) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.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.PumpCurveDerivatives,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives") translateModel(Buildings.Fluid.Movers.Validation.PumpCurveDerivatives,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001128/0.001128, allocations: 103.4 kB / 15.33 MB, free: 0.5078 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001199/0.001199, allocations: 186.6 kB / 16.25 MB, free: 6.621 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.548/1.548, allocations: 205.1 MB / 222.1 MB, free: 4.707 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.566/1.566, allocations: 251.6 MB / 0.5089 GB, free: 3.281 MB / 414.1 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 0.00203/0.002029, allocations: 67.91 kB / 0.6217 GB, free: 1.824 MB / 0.5137 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4766/0.4787, allocations: 104.7 MB / 0.724 GB, free: 13.09 MB / 0.545 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Validation.PumpCurveDerivatives): time 0.06873/0.5474, allocations: 77.52 MB / 0.7997 GB, free: 15.29 MB / 0.6231 GB Notification: Performance of NFInst.instExpressions: time 0.03749/0.585, allocations: 28.65 MB / 0.8277 GB, free: 2.574 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005624/0.5906, allocations: 107.3 kB / 0.8278 GB, free: 2.469 MB / 0.6387 GB Notification: Performance of NFTyping.typeComponents: time 0.005686/0.5965, allocations: 1.454 MB / 0.8292 GB, free: 1.008 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.01017/0.6067, allocations: 3.211 MB / 0.8323 GB, free: 13.79 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.007679/0.6144, allocations: 2.684 MB / 0.8349 GB, free: 11.12 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.009642/0.624, allocations: 7.07 MB / 0.8418 GB, free: 4.027 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003926/0.628, allocations: 2.64 MB / 0.8444 GB, free: 1.324 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006611/0.6346, allocations: 2.91 MB / 0.8473 GB, free: 14.41 MB / 0.67 GB Notification: Performance of NFSimplifyModel.simplify: time 0.004149/0.6388, allocations: 2.385 MB / 0.8496 GB, free: 12.02 MB / 0.67 GB Notification: Performance of NFPackage.collectConstants: time 0.001218/0.64, allocations: 312 kB / 0.8499 GB, free: 11.71 MB / 0.67 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005097/0.6451, allocations: 2.098 MB / 0.8519 GB, free: 9.609 MB / 0.67 GB Notification: Performance of NFScalarize.scalarize: time 0.001552/0.6467, allocations: 1.293 MB / 0.8532 GB, free: 8.312 MB / 0.67 GB Notification: Performance of NFVerifyModel.verify: time 0.003344/0.6501, allocations: 1.99 MB / 0.8552 GB, free: 6.312 MB / 0.67 GB Notification: Performance of NFConvertDAE.convert: time 0.007805/0.6579, allocations: 5.986 MB / 0.861 GB, free: 316 kB / 0.67 GB Notification: Performance of FrontEnd - DAE generated: time 5.199e-06/0.6579, allocations: 4 kB / 0.861 GB, free: 312 kB / 0.67 GB Notification: Performance of FrontEnd: time 1.253e-06/0.6579, allocations: 0 / 0.861 GB, free: 312 kB / 0.67 GB Notification: Performance of Transformations before backend: time 0.0001215/0.6581, allocations: 3.938 kB / 0.861 GB, free: 308 kB / 0.67 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 397 * Number of variables: 397 Notification: Performance of Generate backend data structure: time 0.01169/0.6698, allocations: 4.475 MB / 0.8654 GB, free: 11.75 MB / 0.6856 GB Notification: Performance of prepare preOptimizeDAE: time 5.637e-05/0.6699, allocations: 8.031 kB / 0.8654 GB, free: 11.75 MB / 0.6856 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005317/0.6752, allocations: 0.9172 MB / 0.8663 GB, free: 10.82 MB / 0.6856 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.007123/0.6823, allocations: 3.752 MB / 0.8699 GB, free: 7.016 MB / 0.6856 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0009621/0.6833, allocations: 311.6 kB / 0.8702 GB, free: 6.711 MB / 0.6856 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004848/0.6838, allocations: 179.9 kB / 0.8704 GB, free: 6.535 MB / 0.6856 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004755/0.6886, allocations: 2.404 MB / 0.8728 GB, free: 4.047 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.45e-05/0.6887, allocations: 3.938 kB / 0.8728 GB, free: 4.043 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001844/0.6888, allocations: 68 kB / 0.8728 GB, free: 3.977 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.029e-05/0.6889, allocations: 40 kB / 0.8729 GB, free: 3.938 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00469/0.6936, allocations: 1.924 MB / 0.8747 GB, free: 2.008 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 preOpt removeSimpleEquations (simulation): time 0.01639/0.71, allocations: 10.45 MB / 0.8849 GB, free: 6.98 MB / 0.7012 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00454/0.7146, allocations: 1.651 MB / 0.8866 GB, free: 5.32 MB / 0.7012 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001912/0.7165, allocations: 0.7878 MB / 0.8873 GB, free: 4.531 MB / 0.7012 GB Notification: Performance of preOpt evalFunc (simulation): time 0.006095/0.7226, allocations: 3.706 MB / 0.891 GB, free: 0.5547 MB / 0.7012 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.598e-05/0.7227, allocations: 39.22 kB / 0.891 GB, free: 0.5078 MB / 0.7012 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001266/0.724, allocations: 146.7 kB / 0.8911 GB, free: 372 kB / 0.7012 GB Notification: Performance of pre-optimization done (n=79): time 3.687e-06/0.724, allocations: 0 / 0.8911 GB, free: 372 kB / 0.7012 GB Notification: Performance of matching and sorting (n=79): time 0.008242/0.7322, allocations: 2.693 MB / 0.8938 GB, free: 13.64 MB / 0.7169 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.01e-05/0.7323, allocations: 64.05 kB / 0.8938 GB, free: 13.56 MB / 0.7169 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005899/0.7382, allocations: 3.665 MB / 0.8974 GB, free: 9.871 MB / 0.7169 GB Notification: Performance of collectPreVariables (initialization): time 0.0004713/0.7387, allocations: 53.64 kB / 0.8974 GB, free: 9.812 MB / 0.7169 GB Notification: Performance of collectInitialEqns (initialization): time 0.001525/0.7403, allocations: 1.572 MB / 0.899 GB, free: 8.227 MB / 0.7169 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004715/0.7408, allocations: 283.9 kB / 0.8993 GB, free: 7.945 MB / 0.7169 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006225/0.7414, allocations: 391.2 kB / 0.8996 GB, free: 7.559 MB / 0.7169 GB Notification: Performance of setup shared object (initialization): time 0.0001077/0.7415, allocations: 309.1 kB / 0.8999 GB, free: 7.254 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002502/0.744, allocations: 1.289 MB / 0.9012 GB, free: 5.961 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002897/0.7469, allocations: 2.001 MB / 0.9031 GB, free: 3.629 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005464/0.7524, allocations: 3.229 MB / 0.9063 GB, free: 108 kB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.757e-05/0.7525, allocations: 11.94 kB / 0.9063 GB, free: 96 kB / 0.7169 GB Notification: Performance of matching and sorting (n=202) (initialization): time 0.4352/1.188, allocations: 3.671 MB / 0.9099 GB, free: 171.5 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 4.015e-05/1.188, allocations: 14.55 kB / 0.9099 GB, free: 171.5 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.744e-05/1.188, allocations: 25 kB / 0.9099 GB, free: 171.5 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007563/1.189, allocations: 307.6 kB / 0.9102 GB, free: 171.4 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002004/1.191, allocations: 441.3 kB / 0.9106 GB, free: 171.4 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.000726/1.191, allocations: 0.819 MB / 0.9114 GB, free: 170.8 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002951/1.194, allocations: 217.8 kB / 0.9116 GB, free: 170.7 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003103/1.195, allocations: 133.6 kB / 0.9118 GB, free: 170.7 MB / 0.7169 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003558/1.198, allocations: 1.761 MB / 0.9135 GB, free: 170 MB / 0.7169 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002802/1.201, allocations: 1.775 MB / 0.9152 GB, free: 168.7 MB / 0.7169 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004721/1.206, allocations: 2.769 MB / 0.9179 GB, free: 167.2 MB / 0.7169 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.246e-05/1.206, allocations: 6.438 kB / 0.9179 GB, free: 167.2 MB / 0.7169 GB Notification: Performance of matching and sorting (n=202) (initialization_lambda0): time 0.006218/1.212, allocations: 3.239 MB / 0.9211 GB, free: 166.2 MB / 0.7169 GB Notification: Performance of prepare postOptimizeDAE: time 2.411e-05/1.212, allocations: 11.84 kB / 0.9211 GB, free: 166.2 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.69e-05/1.212, allocations: 23.78 kB / 0.9211 GB, free: 166.2 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009924/1.213, allocations: 392 kB / 0.9215 GB, free: 166.1 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001447/1.215, allocations: 414.5 kB / 0.9219 GB, free: 166.1 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.005722/1.22, allocations: 5.015 MB / 0.9268 GB, free: 163.2 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002836/1.223, allocations: 205.8 kB / 0.927 GB, free: 163.1 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002539/1.223, allocations: 120.7 kB / 0.9271 GB, free: 163.1 MB / 0.7169 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 95 * 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 (177): * Single equations (assignments): 173 * Array equations: 3 * 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 {(1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0005871/1.224, allocations: 291.8 kB / 0.9274 GB, free: 162.9 MB / 0.7169 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006016/1.225, allocations: 322.1 kB / 0.9277 GB, free: 162.7 MB / 0.7169 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006393/1.231, allocations: 2.36 MB / 0.93 GB, free: 161.9 MB / 0.7169 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.794e-05/1.231, allocations: 15.12 kB / 0.93 GB, free: 161.9 MB / 0.7169 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.58e-06/1.231, allocations: 4.125 kB / 0.93 GB, free: 161.9 MB / 0.7169 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.145e-05/1.231, allocations: 7.703 kB / 0.93 GB, free: 161.9 MB / 0.7169 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.008217/1.239, allocations: 4.484 MB / 0.9344 GB, free: 159.1 MB / 0.7169 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.463e-06/1.239, allocations: 0 / 0.9344 GB, free: 159.1 MB / 0.7169 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001302/1.241, allocations: 263.8 kB / 0.9347 GB, free: 158.9 MB / 0.7169 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003373/1.241, allocations: 136.8 kB / 0.9348 GB, free: 158.7 MB / 0.7169 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 8.854e-05/1.241, allocations: 35.97 kB / 0.9348 GB, free: 158.7 MB / 0.7169 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004292/1.242, allocations: 0.7395 MB / 0.9355 GB, free: 157.9 MB / 0.7169 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.204e-06/1.242, allocations: 0 / 0.9355 GB, free: 157.9 MB / 0.7169 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.006592/1.248, allocations: 3.26 MB / 0.9387 GB, free: 154.6 MB / 0.7169 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001309/1.25, allocations: 0.5619 MB / 0.9393 GB, free: 154.1 MB / 0.7169 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004375/1.25, allocations: 19.56 kB / 0.9393 GB, free: 154 MB / 0.7169 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001823/1.252, allocations: 195.6 kB / 0.9395 GB, free: 153.9 MB / 0.7169 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000128/1.252, allocations: 64.91 kB / 0.9395 GB, free: 153.8 MB / 0.7169 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001001/1.252, allocations: 55.95 kB / 0.9396 GB, free: 153.7 MB / 0.7169 GB Notification: Performance of sorting global known variables: time 0.002895/1.255, allocations: 2.526 MB / 0.9421 GB, free: 151.2 MB / 0.7169 GB Notification: Performance of sort global known variables: time 2.41e-07/1.255, allocations: 0 / 0.9421 GB, free: 151.2 MB / 0.7169 GB Notification: Performance of remove unused functions: time 0.003756/1.259, allocations: 1.48 MB / 0.9435 GB, free: 149.8 MB / 0.7169 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 3 (ddp_dm_flow.x,ddp_dNrpm.x,dm_flow_dNrpm.x) * 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 (95): * Single equations (assignments): 86 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 8 * 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 {(1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001227/1.26, allocations: 0.6059 MB / 0.9441 GB, free: 149.3 MB / 0.7169 GB Notification: Performance of simCode: created initialization part: time 0.007712/1.268, allocations: 4.114 MB / 0.9481 GB, free: 145.2 MB / 0.7169 GB Notification: Performance of simCode: created event and clocks part: time 4.92e-06/1.268, allocations: 0 / 0.9481 GB, free: 145.2 MB / 0.7169 GB Notification: Performance of simCode: created simulation system equations: time 0.001988/1.27, allocations: 0.9003 MB / 0.949 GB, free: 144.3 MB / 0.7169 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005784/1.276, allocations: 1.736 MB / 0.9507 GB, free: 142.6 MB / 0.7169 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008043/1.284, allocations: 6.875 MB / 0.9574 GB, free: 135.7 MB / 0.7169 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001146/1.285, allocations: 2.104 MB / 0.9595 GB, free: 133.6 MB / 0.7169 GB Notification: Performance of simCode: alias equations: time 0.003333/1.288, allocations: 0.8204 MB / 0.9603 GB, free: 132.8 MB / 0.7169 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000607/1.289, allocations: 247.3 kB / 0.9605 GB, free: 132.5 MB / 0.7169 GB Notification: Performance of SimCode: time 6.12e-07/1.289, allocations: 0 / 0.9605 GB, free: 132.5 MB / 0.7169 GB Notification: Performance of Templates: time 0.08691/1.376, allocations: 73.7 MB / 1.032 GB, free: 59.94 MB / 0.7169 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.makefile (rm -f Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.sim & ./Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Fluid.Movers.Validation.PumpCurveDerivatives.pipe 2>&1)