Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_OpenIPSL.Tests.Machines.PSAT.Order3test2_AVR.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/Modelica 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/OpenIPSL 3.0.1/package.mo", uses=false) Using package OpenIPSL with version 3.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.0.1/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 Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 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: "" <> buildModelFMU(OpenIPSL.Tests.Machines.PSAT.Order3test2_AVR,fileNamePrefix="OpenIPSL_OpenIPSL_Tests_Machines_PSAT_Order3test2_AVR",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(OpenIPSL.Tests.Machines.PSAT.Order3test2_AVR,fileNamePrefix="OpenIPSL_OpenIPSL_Tests_Machines_PSAT_Order3test2_AVR",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001424/0.001424, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.334/1.334, allocations: 222.9 MB / 239.3 MB, free: 4.578 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001391/0.001391, allocations: 192.5 kB / 289.5 MB, free: 2.324 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.0.1/package.mo): time 0.447/0.447, allocations: 78.53 MB / 418.2 MB, free: 3.227 MB / 286.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001737/0.001738, allocations: 75.88 kB / 497.5 MB, free: 6.316 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1173/0.1191, allocations: 68.19 MB / 0.5525 GB, free: 2.09 MB / 430.1 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Machines.PSAT.Order3test2_AVR): time 0.2125/0.3317, allocations: 6.063 MB / 0.5584 GB, free: 35.66 MB / 430.1 MB Notification: Performance of NFInst.instExpressions: time 0.002814/0.3345, allocations: 1.855 MB / 0.5602 GB, free: 35.12 MB / 430.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004444/0.335, allocations: 11.81 kB / 0.5602 GB, free: 35.12 MB / 430.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0004254/0.3354, allocations: 215 kB / 0.5604 GB, free: 35.11 MB / 430.1 MB Notification: Performance of NFTyping.typeBindings: time 0.001349/0.3368, allocations: 0.7019 MB / 0.5611 GB, free: 34.96 MB / 430.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001124/0.3379, allocations: 0.6272 MB / 0.5617 GB, free: 34.88 MB / 430.1 MB Notification: Performance of NFFlatten.flatten: time 0.001004/0.3389, allocations: 1.342 MB / 0.563 GB, free: 34.79 MB / 430.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0003416/0.3393, allocations: 288.9 kB / 0.5633 GB, free: 34.74 MB / 430.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0004992/0.3398, allocations: 0.563 MB / 0.5639 GB, free: 34.59 MB / 430.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0005731/0.3404, allocations: 0.6821 MB / 0.5645 GB, free: 34.41 MB / 430.1 MB Notification: Performance of NFPackage.collectConstants: time 0.0001419/0.3405, allocations: 98.88 kB / 0.5646 GB, free: 34.41 MB / 430.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0003958/0.3409, allocations: 241.2 kB / 0.5648 GB, free: 34.39 MB / 430.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0001628/0.3411, allocations: 263.2 kB / 0.5651 GB, free: 34.32 MB / 430.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0003871/0.3415, allocations: 0.5849 MB / 0.5657 GB, free: 34.11 MB / 430.1 MB Notification: Performance of NFConvertDAE.convert: time 0.001074/0.3426, allocations: 1.443 MB / 0.5671 GB, free: 33.76 MB / 430.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.397e-06/0.3426, allocations: 0 / 0.5671 GB, free: 33.76 MB / 430.1 MB Notification: Performance of FrontEnd: time 1.032e-06/0.3426, allocations: 2.031 kB / 0.5671 GB, free: 33.76 MB / 430.1 MB Notification: Performance of Transformations before backend: time 1.535e-05/0.3426, allocations: 1.156 kB / 0.5671 GB, free: 33.76 MB / 430.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 178 * Number of variables: 178 Notification: Performance of Generate backend data structure: time 0.007191/0.3498, allocations: 2.435 MB / 0.5695 GB, free: 32.91 MB / 430.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.63e-05/0.3499, allocations: 10.53 kB / 0.5695 GB, free: 32.91 MB / 430.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001256/0.35, allocations: 123.6 kB / 0.5696 GB, free: 32.87 MB / 430.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004781/0.3548, allocations: 0.7674 MB / 0.5703 GB, free: 32.79 MB / 430.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.000929/0.3557, allocations: 0.735 MB / 0.5711 GB, free: 32.42 MB / 430.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002318/0.356, allocations: 257 kB / 0.5713 GB, free: 32.23 MB / 430.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001448/0.3561, allocations: 79.75 kB / 0.5714 GB, free: 32.22 MB / 430.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00195/0.3581, allocations: 1.097 MB / 0.5724 GB, free: 32.14 MB / 430.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.711e-05/0.3581, allocations: 0 / 0.5724 GB, free: 32.14 MB / 430.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.076e-05/0.3582, allocations: 30.12 kB / 0.5725 GB, free: 32.14 MB / 430.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.166e-05/0.3582, allocations: 18.91 kB / 0.5725 GB, free: 32.14 MB / 430.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001995/0.3602, allocations: 1.023 MB / 0.5735 GB, free: 32.13 MB / 430.1 MB 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 0.004965/0.3652, allocations: 3.512 MB / 0.5769 GB, free: 31.09 MB / 430.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002187/0.3674, allocations: 1.446 MB / 0.5783 GB, free: 30.39 MB / 430.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001363/0.3688, allocations: 0.7392 MB / 0.5791 GB, free: 30.11 MB / 430.1 MB Notification: Performance of preOpt evalFunc (simulation): time 8.957e-05/0.3689, allocations: 16.91 kB / 0.5791 GB, free: 30.11 MB / 430.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.135e-05/0.3689, allocations: 47.44 kB / 0.5791 GB, free: 30.05 MB / 430.1 MB Notification: Performance of pre-optimization done (n=89): time 2.334e-06/0.3689, allocations: 4 kB / 0.5791 GB, free: 30.05 MB / 430.1 MB Notification: Performance of matching and sorting (n=89): time 0.02479/0.3937, allocations: 6.439 MB / 0.5854 GB, free: 28.81 MB / 430.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.865e-05/0.3938, allocations: 86.73 kB / 0.5855 GB, free: 28.72 MB / 430.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001123/0.3949, allocations: 0.8279 MB / 0.5863 GB, free: 28.36 MB / 430.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0001997/0.3951, allocations: 40.86 kB / 0.5863 GB, free: 28.32 MB / 430.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0002701/0.3954, allocations: 450.4 kB / 0.5868 GB, free: 27.96 MB / 430.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0002891/0.3957, allocations: 325 kB / 0.5871 GB, free: 27.71 MB / 430.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003775/0.3961, allocations: 198.1 kB / 0.5873 GB, free: 27.61 MB / 430.1 MB Notification: Performance of setup shared object (initialization): time 7.367e-05/0.3962, allocations: 349.6 kB / 0.5876 GB, free: 27.29 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001563/0.3978, allocations: 0.7043 MB / 0.5883 GB, free: 27.02 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001577/0.3993, allocations: 0.8273 MB / 0.5891 GB, free: 26.66 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.003066/0.4024, allocations: 1.499 MB / 0.5906 GB, free: 25.96 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.873e-06/0.4024, allocations: 1.625 kB / 0.5906 GB, free: 25.96 MB / 430.1 MB Notification: Performance of matching and sorting (n=142) (initialization): time 0.01417/0.4166, allocations: 4.222 MB / 0.5947 GB, free: 24.94 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 2.571e-05/0.4167, allocations: 6.297 kB / 0.5947 GB, free: 24.94 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.252e-05/0.4167, allocations: 2.75 kB / 0.5947 GB, free: 24.94 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0066/0.4233, allocations: 1.795 MB / 0.5964 GB, free: 24.62 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001015/0.4243, allocations: 187.5 kB / 0.5966 GB, free: 24.6 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02199/0.4463, allocations: 9.343 MB / 0.6058 GB, free: 20.16 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001616/0.448, allocations: 161.1 kB / 0.6059 GB, free: 20.1 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001401/0.4481, allocations: 43.86 kB / 0.6059 GB, free: 20.09 MB / 430.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001863/0.45, allocations: 0.8491 MB / 0.6068 GB, free: 19.7 MB / 430.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001639/0.4517, allocations: 0.8202 MB / 0.6076 GB, free: 19.34 MB / 430.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003005/0.4547, allocations: 1.48 MB / 0.609 GB, free: 18.65 MB / 430.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.059e-06/0.4547, allocations: 5.094 kB / 0.609 GB, free: 18.65 MB / 430.1 MB Notification: Performance of matching and sorting (n=142) (initialization_lambda0): time 0.01355/0.4683, allocations: 4.207 MB / 0.6131 GB, free: 16.42 MB / 430.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.676e-05/0.4683, allocations: 8 kB / 0.6131 GB, free: 16.41 MB / 430.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.067e-06/0.4683, allocations: 1.438 kB / 0.6131 GB, free: 16.41 MB / 430.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.006002/0.4743, allocations: 1.794 MB / 0.6149 GB, free: 14.62 MB / 430.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009088/0.4753, allocations: 179.8 kB / 0.6151 GB, free: 14.44 MB / 430.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0196/0.4949, allocations: 9.324 MB / 0.6242 GB, free: 4.984 MB / 430.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001526/0.4964, allocations: 155.8 kB / 0.6243 GB, free: 4.832 MB / 430.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.73e-05/0.4965, allocations: 36 kB / 0.6244 GB, free: 4.797 MB / 430.1 MB Notification: Model statistics after passing the back-end for initialization: * 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 initialization (106): * Single equations (assignments): 105 * 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 {(25,12)} Notification: Performance of prepare postOptimizeDAE: time 0.0003159/0.4969, allocations: 240 kB / 0.6246 GB, free: 4.555 MB / 430.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001936/0.4971, allocations: 110.7 kB / 0.6247 GB, free: 4.445 MB / 430.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01242/0.5095, allocations: 3.904 MB / 0.6285 GB, free: 0.5273 MB / 430.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.437e-05/0.5095, allocations: 8 kB / 0.6285 GB, free: 0.5195 MB / 430.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.078e-06/0.5096, allocations: 3.938 kB / 0.6285 GB, free: 0.5156 MB / 430.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.051e-05/0.5096, allocations: 3.984 kB / 0.6285 GB, free: 0.5117 MB / 430.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01581/0.5254, allocations: 5.618 MB / 0.634 GB, free: 10.75 MB / 446.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.49e-05/0.5254, allocations: 8.062 kB / 0.634 GB, free: 10.75 MB / 446.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006534/0.5261, allocations: 107.8 kB / 0.6341 GB, free: 10.64 MB / 446.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.006083/0.5322, allocations: 1.75 MB / 0.6358 GB, free: 8.891 MB / 446.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001495/0.5324, allocations: 19.98 kB / 0.6358 GB, free: 8.871 MB / 446.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01896/0.5513, allocations: 8.097 MB / 0.6438 GB, free: 0.6211 MB / 446.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.747e-06/0.5514, allocations: 1.734 kB / 0.6438 GB, free: 0.6211 MB / 446.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01525/0.5666, allocations: 4.817 MB / 0.6485 GB, free: 11.77 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0005282/0.5672, allocations: 191.6 kB / 0.6486 GB, free: 11.57 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00019/0.5674, allocations: 20 kB / 0.6487 GB, free: 11.55 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001023/0.5684, allocations: 99.83 kB / 0.6488 GB, free: 11.45 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0006402/0.5691, allocations: 208.6 kB / 0.649 GB, free: 11.25 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.005e-05/0.5692, allocations: 24 kB / 0.649 GB, free: 11.22 MB / 462.1 MB Notification: Performance of sorting global known variables: time 0.0007046/0.5699, allocations: 0.5549 MB / 0.6495 GB, free: 10.66 MB / 462.1 MB Notification: Performance of sort global known variables: time 1.3e-07/0.5699, allocations: 4 kB / 0.6495 GB, free: 10.65 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.001998/0.5719, allocations: 0.6866 MB / 0.6502 GB, free: 9.965 MB / 462.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 6 (order3_Inputs_Outputs1.delta,order3_Inputs_Outputs1.w,order3_Inputs_Outputs1.e1q,AVRtypeIII1.vm,AVRtypeIII1.vr,AVRtypeIII1.vf1) * 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 (56): * Single equations (assignments): 55 * 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 {(26,10)} Notification: Performance of Backend phase and start with SimCode phase: time 0.01535/0.5873, allocations: 5.396 MB / 0.6555 GB, free: 4.527 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.01288/0.6002, allocations: 4.215 MB / 0.6596 GB, free: 308 kB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 7.484e-06/0.6002, allocations: 0 / 0.6596 GB, free: 308 kB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 0.004967/0.6052, allocations: 1.552 MB / 0.6611 GB, free: 14.73 MB / 478.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001102/0.6063, allocations: 90.58 kB / 0.6612 GB, free: 14.64 MB / 478.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0397/0.6461, allocations: 15.44 MB / 0.6763 GB, free: 14.86 MB / 494.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007486/0.6469, allocations: 1.085 MB / 0.6773 GB, free: 13.74 MB / 494.1 MB Notification: Performance of simCode: alias equations: time 0.0006276/0.6475, allocations: 104.9 kB / 0.6774 GB, free: 13.64 MB / 494.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000588/0.6481, allocations: 411.3 kB / 0.6778 GB, free: 13.24 MB / 494.1 MB Notification: Performance of SimCode: time 9.22e-07/0.6481, allocations: 0 / 0.6778 GB, free: 13.24 MB / 494.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.09072/0.7388, allocations: 40.33 MB / 0.7172 GB, free: 5.219 MB / 0.5137 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.66/12.4, allocations: 4.156 kB / 0.7172 GB, free: 5.215 MB / 0.5137 GB (rm -f OpenIPSL_OpenIPSL.Tests.Machines.PSAT.Order3test2_AVR.pipe ; mkfifo OpenIPSL_OpenIPSL.Tests.Machines.PSAT.Order3test2_AVR.pipe ; head -c 1048576 < OpenIPSL_OpenIPSL.Tests.Machines.PSAT.Order3test2_AVR.pipe >> ../files/OpenIPSL_OpenIPSL.Tests.Machines.PSAT.Order3test2_AVR.sim & python3 -m fmpy simulate --output-file OpenIPSL_OpenIPSL.Tests.Machines.PSAT.Order3test2_AVR_res.csv --start-time 0 --stop-time 20 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.008 OpenIPSL_OpenIPSL_Tests_Machines_PSAT_Order3test2_AVR.fmu > OpenIPSL_OpenIPSL.Tests.Machines.PSAT.Order3test2_AVR.pipe 2>&1)