Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1.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: translateModel(OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1")
translateModel(OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001646/0.001646, allocations: 110.9 kB / 16.41 MB, free: 6.496 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.382/1.382, allocations: 222.9 MB / 240.1 MB, free: 4.402 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001522/0.001522, allocations: 188.5 kB / 290.4 MB, free: 2.125 MB / 238.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.0.1/package.mo): time 0.4721/0.4721, allocations: 78.53 MB / 419.1 MB, free: 3.105 MB / 286.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001823/0.001823, allocations: 83.88 kB / 0.5543 GB, free: 0.9609 MB / 430.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3458/0.3477, allocations: 68.16 MB / 0.6208 GB, free: 9.621 MB / 430.1 MB
Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1): time 0.004912/0.3526, allocations: 5.214 MB / 0.6259 GB, free: 4.973 MB / 430.1 MB
Notification: Performance of NFInst.instExpressions: time 0.002944/0.3556, allocations: 1.544 MB / 0.6274 GB, free: 3.426 MB / 430.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0004938/0.3561, allocations: 12 kB / 0.6274 GB, free: 3.414 MB / 430.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.000417/0.3566, allocations: 170.5 kB / 0.6276 GB, free: 3.246 MB / 430.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.0006446/0.3572, allocations: 321.6 kB / 0.6279 GB, free: 2.93 MB / 430.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.001334/0.3586, allocations: 0.7425 MB / 0.6286 GB, free: 2.191 MB / 430.1 MB
Notification: Performance of NFFlatten.flatten: time 0.0009116/0.3595, allocations: 1.141 MB / 0.6298 GB, free: 1.043 MB / 430.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0003477/0.3599, allocations: 268.9 kB / 0.63 GB, free: 0.7617 MB / 430.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0004015/0.3603, allocations: 485.9 kB / 0.6305 GB, free: 292 kB / 430.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.0006808/0.361, allocations: 0.5835 MB / 0.631 GB, free: 15.7 MB / 446.1 MB
Notification: Performance of NFPackage.collectConstants: time 0.0001461/0.3611, allocations: 92 kB / 0.6311 GB, free: 15.61 MB / 446.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.0003426/0.3615, allocations: 163.8 kB / 0.6313 GB, free: 15.45 MB / 446.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.0002008/0.3617, allocations: 239.1 kB / 0.6315 GB, free: 15.21 MB / 446.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.0003895/0.3621, allocations: 497.2 kB / 0.632 GB, free: 14.73 MB / 446.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.001186/0.3633, allocations: 1.22 MB / 0.6332 GB, free: 13.51 MB / 446.1 MB
Notification: Performance of FrontEnd - DAE generated: time 3.627e-06/0.3633, allocations: 0 / 0.6332 GB, free: 13.51 MB / 446.1 MB
Notification: Performance of FrontEnd: time 1.363e-06/0.3633, allocations: 0 / 0.6332 GB, free: 13.51 MB / 446.1 MB
Notification: Performance of Transformations before backend: time 1.263e-05/0.3633, allocations: 0 / 0.6332 GB, free: 13.51 MB / 446.1 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 152
 * Number of variables: 152
Notification: Performance of Generate backend data structure: time 0.005447/0.3688, allocations: 1.842 MB / 0.635 GB, free: 11.61 MB / 446.1 MB
Notification: Performance of prepare preOptimizeDAE: time 4.01e-05/0.3688, allocations: 12.03 kB / 0.635 GB, free: 11.6 MB / 446.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002687/0.3715, allocations: 447.2 kB / 0.6354 GB, free: 11.16 MB / 446.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001123/0.3726, allocations: 0.6662 MB / 0.6361 GB, free: 10.45 MB / 446.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003739/0.373, allocations: 332.6 kB / 0.6364 GB, free: 10.07 MB / 446.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001266/0.3732, allocations: 60 kB / 0.6364 GB, free: 10.02 MB / 446.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0019/0.3751, allocations: 0.8954 MB / 0.6373 GB, free: 9.098 MB / 446.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 1.719e-05/0.3751, allocations: 0 / 0.6373 GB, free: 9.098 MB / 446.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.046e-05/0.3752, allocations: 28 kB / 0.6373 GB, free: 9.07 MB / 446.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.734e-05/0.3752, allocations: 12 kB / 0.6374 GB, free: 9.059 MB / 446.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001812/0.377, allocations: 0.8014 MB / 0.6381 GB, free: 8.25 MB / 446.1 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 0.005534/0.3826, allocations: 2.973 MB / 0.641 GB, free: 5.137 MB / 446.1 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.007366/0.39, allocations: 2.165 MB / 0.6432 GB, free: 2.879 MB / 446.1 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.00145/0.3915, allocations: 0.5601 MB / 0.6437 GB, free: 2.316 MB / 446.1 MB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001125/0.3916, allocations: 16.55 kB / 0.6437 GB, free: 2.301 MB / 446.1 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.12e-05/0.3917, allocations: 47.06 kB / 0.6438 GB, free: 2.246 MB / 446.1 MB
Notification: Performance of pre-optimization done (n=71): time 3.196e-06/0.3917, allocations: 0 / 0.6438 GB, free: 2.246 MB / 446.1 MB
Notification: Performance of matching and sorting (n=71): time 0.02252/0.4142, allocations: 5.344 MB / 0.649 GB, free: 12.87 MB / 462.1 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.376e-05/0.4144, allocations: 119.4 kB / 0.6491 GB, free: 12.73 MB / 462.1 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001225/0.4156, allocations: 0.7195 MB / 0.6498 GB, free: 12 MB / 462.1 MB
Notification: Performance of collectPreVariables (initialization): time 0.000188/0.4158, allocations: 37.7 kB / 0.6498 GB, free: 11.95 MB / 462.1 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0002929/0.4161, allocations: 376.7 kB / 0.6502 GB, free: 11.58 MB / 462.1 MB
Notification: Performance of collectInitialBindings (initialization): time 0.0003658/0.4165, allocations: 256.2 kB / 0.6504 GB, free: 11.33 MB / 462.1 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002946/0.4168, allocations: 114.7 kB / 0.6505 GB, free: 11.21 MB / 462.1 MB
Notification: Performance of setup shared object (initialization): time 0.0001361/0.4169, allocations: 334 kB / 0.6509 GB, free: 10.88 MB / 462.1 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.00122/0.4182, allocations: 476.6 kB / 0.6513 GB, free: 10.41 MB / 462.1 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001254/0.4194, allocations: 0.5765 MB / 0.6519 GB, free: 9.793 MB / 462.1 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.002442/0.4219, allocations: 1.038 MB / 0.6529 GB, free: 8.715 MB / 462.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.781e-06/0.4219, allocations: 4 kB / 0.6529 GB, free: 8.711 MB / 462.1 MB
Notification: Performance of matching and sorting (n=85) (initialization): time 0.01088/0.4328, allocations: 3.024 MB / 0.6559 GB, free: 5.672 MB / 462.1 MB
Notification: Performance of prepare postOptimizeDAE: time 3.753e-05/0.4329, allocations: 14.28 kB / 0.6559 GB, free: 5.66 MB / 462.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.366e-05/0.4329, allocations: 4 kB / 0.6559 GB, free: 5.656 MB / 462.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.005134/0.4381, allocations: 1.403 MB / 0.6572 GB, free: 4.25 MB / 462.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004915/0.4386, allocations: 95.83 kB / 0.6573 GB, free: 4.156 MB / 462.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.02134/0.4599, allocations: 8.403 MB / 0.6655 GB, free: 11.61 MB / 478.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001194/0.4612, allocations: 127.5 kB / 0.6657 GB, free: 11.48 MB / 478.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000145/0.4613, allocations: 24 kB / 0.6657 GB, free: 11.46 MB / 478.1 MB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001462/0.4628, allocations: 0.5799 MB / 0.6662 GB, free: 10.87 MB / 478.1 MB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001191/0.464, allocations: 0.5609 MB / 0.6668 GB, free: 10.27 MB / 478.1 MB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002275/0.4663, allocations: 0.9916 MB / 0.6678 GB, free: 9.234 MB / 478.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 7.504e-06/0.4664, allocations: 4 kB / 0.6678 GB, free: 9.23 MB / 478.1 MB
Notification: Performance of matching and sorting (n=85) (initialization_lambda0): time 0.01038/0.4768, allocations: 2.876 MB / 0.6706 GB, free: 6.34 MB / 478.1 MB
Notification: Performance of prepare postOptimizeDAE: time 2.339e-05/0.4768, allocations: 11.94 kB / 0.6706 GB, free: 6.328 MB / 478.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.757e-06/0.4768, allocations: 4 kB / 0.6706 GB, free: 6.324 MB / 478.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.004825/0.4817, allocations: 1.329 MB / 0.6719 GB, free: 4.992 MB / 478.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005254/0.4822, allocations: 95.89 kB / 0.672 GB, free: 4.898 MB / 478.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01928/0.5015, allocations: 7.86 MB / 0.6797 GB, free: 12.88 MB / 494.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001144/0.5027, allocations: 115.5 kB / 0.6798 GB, free: 12.77 MB / 494.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001455/0.5029, allocations: 28 kB / 0.6798 GB, free: 12.74 MB / 494.1 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 13
 * Number of states: 0 ()
 * Number of discrete variables: 1 (wT4G1.K.local_reset)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (51):
 * Single equations (assignments): 50
 * 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
   {(18,17)}
Notification: Performance of prepare postOptimizeDAE: time 0.0003408/0.5032, allocations: 212.1 kB / 0.68 GB, free: 12.52 MB / 494.1 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003313/0.5036, allocations: 90.95 kB / 0.6801 GB, free: 12.43 MB / 494.1 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01079/0.5144, allocations: 3.038 MB / 0.683 GB, free: 9.379 MB / 494.1 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.22e-05/0.5144, allocations: 8 kB / 0.6831 GB, free: 9.371 MB / 494.1 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.731e-06/0.5145, allocations: 3.984 kB / 0.6831 GB, free: 9.367 MB / 494.1 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.254e-05/0.5145, allocations: 0 / 0.6831 GB, free: 9.367 MB / 494.1 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 postOpt removeSimpleEquations (simulation): time 0.01334/0.5278, allocations: 4.257 MB / 0.6872 GB, free: 5.02 MB / 494.1 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.411e-05/0.5279, allocations: 0 / 0.6872 GB, free: 5.02 MB / 494.1 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004711/0.5284, allocations: 75.91 kB / 0.6873 GB, free: 4.945 MB / 494.1 MB
Notification: Performance of postOpt tearingSystem (simulation): time 0.004821/0.5332, allocations: 1.335 MB / 0.6886 GB, free: 3.605 MB / 494.1 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001524/0.5334, allocations: 12 kB / 0.6886 GB, free: 3.594 MB / 494.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02086/0.5543, allocations: 8.335 MB / 0.6967 GB, free: 11.1 MB / 0.4981 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.627e-06/0.5543, allocations: 0 / 0.6967 GB, free: 11.1 MB / 0.4981 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0122/0.5665, allocations: 3.796 MB / 0.7005 GB, free: 7.273 MB / 0.4981 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0003985/0.567, allocations: 187.8 kB / 0.7006 GB, free: 7.07 MB / 0.4981 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000261/0.5672, allocations: 12 kB / 0.7006 GB, free: 7.059 MB / 0.4981 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001055/0.5683, allocations: 91.89 kB / 0.7007 GB, free: 6.969 MB / 0.4981 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0005474/0.5689, allocations: 152.4 kB / 0.7009 GB, free: 6.82 MB / 0.4981 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.905e-05/0.569, allocations: 20 kB / 0.7009 GB, free: 6.801 MB / 0.4981 GB
Notification: Performance of sorting global known variables: time 0.0008196/0.5698, allocations: 0.5068 MB / 0.7014 GB, free: 6.297 MB / 0.4981 GB
Notification: Performance of sort global known variables: time 2.51e-07/0.5698, allocations: 4 kB / 0.7014 GB, free: 6.293 MB / 0.4981 GB
Notification: Performance of remove unused functions: time 0.002033/0.5719, allocations: 0.5031 MB / 0.7019 GB, free: 5.789 MB / 0.4981 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 2
 * Number of states: 6 (gENCLS2_1.delta,gENCLS2_1.eq,wT4G1.K1.state,wT4G1.K.y,wT4G1.K2.state,gENCLS2_1.omega)
 * 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 (39):
 * Single equations (assignments): 38
 * 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
   {(18,19)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0002652/0.5721, allocations: 111.7 kB / 0.702 GB, free: 5.672 MB / 0.4981 GB
Notification: Performance of simCode: created initialization part: time 0.008997/0.5811, allocations: 2.968 MB / 0.7049 GB, free: 2.68 MB / 0.4981 GB
Notification: Performance of simCode: created event and clocks part: time 7.014e-06/0.5812, allocations: 0 / 0.7049 GB, free: 2.68 MB / 0.4981 GB
Notification: Performance of simCode: created simulation system equations: time 0.003841/0.585, allocations: 1.246 MB / 0.7061 GB, free: 1.418 MB / 0.4981 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001186/0.5863, allocations: 111.1 kB / 0.7062 GB, free: 1.316 MB / 0.4981 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003943/0.5902, allocations: 1.728 MB / 0.7079 GB, free: 15.56 MB / 0.5137 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0006861/0.5909, allocations: 0.999 MB / 0.7089 GB, free: 14.53 MB / 0.5137 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002652/0.5912, allocations: 55.42 kB / 0.7089 GB, free: 14.47 MB / 0.5137 GB
Notification: Performance of SimCode: time 8.02e-07/0.5912, allocations: 4 kB / 0.7089 GB, free: 14.47 MB / 0.5137 GB
Notification: Performance of Templates: time 0.0248/0.616, allocations: 16.11 MB / 0.7247 GB, free: 14.34 MB / 0.5294 GB
make -j1 -f OpenIPSL_OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1.makefile
(rm -f OpenIPSL_OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1.pipe ; mkfifo OpenIPSL_OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1.pipe ; head -c 1048576 < OpenIPSL_OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1.pipe >> ../files/OpenIPSL_OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1.sim & ./OpenIPSL_OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1  -abortSlowSimulation -alarm=480 -lv LOG_STATS > OpenIPSL_OpenIPSL.Tests.Wind.PSSE.WT4G.WT4G1.pipe 2>&1)