Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.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.Controls.PSSE.ES.ESST1A,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A") translateModel(OpenIPSL.Tests.Controls.PSSE.ES.ESST1A,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00763/0.00763, allocations: 101.2 kB / 15.73 MB, free: 6.059 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.322/1.322, allocations: 222.9 MB / 239.4 MB, free: 4.535 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0012/0.0012, allocations: 200.4 kB / 289.7 MB, free: 2.242 MB / 238.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.0.1/package.mo): time 0.4296/0.4296, allocations: 78.53 MB / 418.4 MB, free: 3.078 MB / 286.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001404/0.001404, allocations: 79.88 kB / 0.5536 GB, free: 0.9258 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2804/0.2819, allocations: 68.15 MB / 0.6202 GB, free: 9.617 MB / 430.1 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Controls.PSSE.ES.ESST1A): time 0.00674/0.2886, allocations: 9.048 MB / 0.629 GB, free: 1.164 MB / 430.1 MB Notification: Performance of NFInst.instExpressions: time 0.005197/0.2939, allocations: 2.931 MB / 0.6319 GB, free: 14.22 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009335/0.2948, allocations: 19.94 kB / 0.6319 GB, free: 14.2 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0008872/0.2957, allocations: 360.9 kB / 0.6323 GB, free: 13.85 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 0.003124/0.2989, allocations: 1.329 MB / 0.6336 GB, free: 12.52 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.00198/0.3009, allocations: 0.9223 MB / 0.6345 GB, free: 11.61 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 0.00322/0.3041, allocations: 2.803 MB / 0.6372 GB, free: 8.793 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0006998/0.3048, allocations: 0.5266 MB / 0.6377 GB, free: 8.227 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001249/0.3061, allocations: 1.058 MB / 0.6387 GB, free: 7.164 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001347/0.3075, allocations: 1.292 MB / 0.64 GB, free: 5.867 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 0.000311/0.3078, allocations: 224 kB / 0.6402 GB, free: 5.648 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0006887/0.3085, allocations: 403.8 kB / 0.6406 GB, free: 5.254 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0004635/0.309, allocations: 0.5448 MB / 0.6411 GB, free: 4.707 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 0.000905/0.3099, allocations: 1.057 MB / 0.6422 GB, free: 3.645 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.002527/0.3124, allocations: 2.696 MB / 0.6448 GB, free: 0.9414 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.917e-06/0.3124, allocations: 0 / 0.6448 GB, free: 0.9414 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.613e-06/0.3124, allocations: 0 / 0.6448 GB, free: 0.9414 MB / 446.1 MB Notification: Performance of Transformations before backend: time 3.091e-05/0.3125, allocations: 0 / 0.6448 GB, free: 0.9414 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: 293 * Number of variables: 293 Notification: Performance of Generate backend data structure: time 0.01468/0.3272, allocations: 4.242 MB / 0.6489 GB, free: 12.63 MB / 462.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.853e-05/0.3272, allocations: 8.031 kB / 0.649 GB, free: 12.62 MB / 462.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004856/0.3321, allocations: 0.778 MB / 0.6497 GB, free: 11.84 MB / 462.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002487/0.3346, allocations: 1.322 MB / 0.651 GB, free: 10.47 MB / 462.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004923/0.3351, allocations: 0.489 MB / 0.6515 GB, free: 9.902 MB / 462.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002574/0.3354, allocations: 128 kB / 0.6516 GB, free: 9.777 MB / 462.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004587/0.34, allocations: 1.664 MB / 0.6532 GB, free: 8.066 MB / 462.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 3.509e-05/0.34, allocations: 0 / 0.6532 GB, free: 8.066 MB / 462.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002125/0.3402, allocations: 44 kB / 0.6533 GB, free: 8.023 MB / 462.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.098e-05/0.3403, allocations: 28 kB / 0.6533 GB, free: 7.996 MB / 462.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005036/0.3453, allocations: 1.571 MB / 0.6548 GB, free: 6.418 MB / 462.1 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 0.01315/0.3585, allocations: 5.499 MB / 0.6602 GB, free: 0.707 MB / 462.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.01327/0.3718, allocations: 3.191 MB / 0.6633 GB, free: 13.39 MB / 478.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.003487/0.3753, allocations: 1.01 MB / 0.6643 GB, free: 12.37 MB / 478.1 MB Notification: Performance of preOpt evalFunc (simulation): time 0.000217/0.3756, allocations: 33.27 kB / 0.6643 GB, free: 12.34 MB / 478.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00333/0.3789, allocations: 1.192 MB / 0.6655 GB, free: 11.12 MB / 478.1 MB Notification: Performance of pre-optimization done (n=143): time 3.196e-06/0.3789, allocations: 0 / 0.6655 GB, free: 11.12 MB / 478.1 MB Notification: Performance of matching and sorting (n=143): time 0.04406/0.423, allocations: 10.97 MB / 0.6762 GB, free: 88 kB / 478.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001043/0.4231, allocations: 175.5 kB / 0.6764 GB, free: 15.88 MB / 494.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002631/0.4258, allocations: 1.67 MB / 0.678 GB, free: 14.21 MB / 494.1 MB Notification: Performance of collectPreVariables (initialization): time 0.0003404/0.4261, allocations: 57.7 kB / 0.6781 GB, free: 14.14 MB / 494.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0005396/0.4267, allocations: 0.6991 MB / 0.6787 GB, free: 13.43 MB / 494.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0005411/0.4272, allocations: 0.5084 MB / 0.6792 GB, free: 12.92 MB / 494.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007117/0.428, allocations: 387.6 kB / 0.6796 GB, free: 12.53 MB / 494.1 MB Notification: Performance of setup shared object (initialization): time 9.137e-05/0.4281, allocations: 305.1 kB / 0.6799 GB, free: 12.23 MB / 494.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002388/0.4305, allocations: 1.102 MB / 0.681 GB, free: 11.12 MB / 494.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002586/0.4331, allocations: 1.333 MB / 0.6823 GB, free: 9.723 MB / 494.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.004818/0.4379, allocations: 2.308 MB / 0.6845 GB, free: 7.363 MB / 494.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 8.616e-06/0.4379, allocations: 4 kB / 0.6845 GB, free: 7.359 MB / 494.1 MB Notification: Performance of matching and sorting (n=268) (initialization): time 0.01013/0.4481, allocations: 4.118 MB / 0.6886 GB, free: 3.227 MB / 494.1 MB Notification: Performance of prepare postOptimizeDAE: time 3.384e-05/0.4481, allocations: 8 kB / 0.6886 GB, free: 3.219 MB / 494.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.719e-05/0.4482, allocations: 4 kB / 0.6886 GB, free: 3.215 MB / 494.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01052/0.4587, allocations: 3.198 MB / 0.6917 GB, free: 12 kB / 494.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001612/0.4603, allocations: 303.5 kB / 0.692 GB, free: 15.71 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008052/0.4684, allocations: 3.418 MB / 0.6953 GB, free: 12.27 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00273/0.4712, allocations: 302 kB / 0.6956 GB, free: 11.98 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002712/0.4715, allocations: 71.98 kB / 0.6957 GB, free: 11.91 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002941/0.4744, allocations: 1.316 MB / 0.697 GB, free: 10.58 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002518/0.477, allocations: 1.284 MB / 0.6982 GB, free: 9.238 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004674/0.4816, allocations: 2.257 MB / 0.7004 GB, free: 6.934 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.927e-06/0.4817, allocations: 4 kB / 0.7004 GB, free: 6.93 MB / 0.4981 GB Notification: Performance of matching and sorting (n=268) (initialization_lambda0): time 0.01063/0.4923, allocations: 4.192 MB / 0.7045 GB, free: 2.723 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 1.995e-05/0.4924, allocations: 12 kB / 0.7045 GB, free: 2.711 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.149e-05/0.4924, allocations: 4 kB / 0.7045 GB, free: 2.707 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.009864/0.5023, allocations: 3.132 MB / 0.7076 GB, free: 15.57 MB / 0.5137 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001519/0.5038, allocations: 307.6 kB / 0.7079 GB, free: 15.27 MB / 0.5137 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007135/0.511, allocations: 3.217 MB / 0.711 GB, free: 12.02 MB / 0.5137 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002417/0.5134, allocations: 262.5 kB / 0.7113 GB, free: 11.77 MB / 0.5137 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001802/0.5136, allocations: 67.98 kB / 0.7113 GB, free: 11.7 MB / 0.5137 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 15 * Number of states: 0 () * Number of discrete variables: 2 ($whenCondition2,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (174): * Single equations (assignments): 173 * 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 {(34,61)} Notification: Performance of prepare postOptimizeDAE: time 0.0004563/0.5141, allocations: 279.9 kB / 0.7116 GB, free: 11.42 MB / 0.5137 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003166/0.5144, allocations: 185.7 kB / 0.7118 GB, free: 11.23 MB / 0.5137 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01644/0.5308, allocations: 5.209 MB / 0.7169 GB, free: 6.004 MB / 0.5137 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.867e-05/0.5309, allocations: 12 kB / 0.7169 GB, free: 5.992 MB / 0.5137 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.044e-05/0.5309, allocations: 11.94 kB / 0.7169 GB, free: 5.98 MB / 0.5137 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.072e-05/0.5309, allocations: 7.969 kB / 0.7169 GB, free: 5.973 MB / 0.5137 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 postOpt removeSimpleEquations (simulation): time 0.01917/0.5501, allocations: 7.535 MB / 0.7243 GB, free: 14.3 MB / 0.5294 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.083e-05/0.5501, allocations: 0 / 0.7243 GB, free: 14.3 MB / 0.5294 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000908/0.5511, allocations: 163.7 kB / 0.7244 GB, free: 14.14 MB / 0.5294 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.00732/0.5584, allocations: 2.318 MB / 0.7267 GB, free: 11.82 MB / 0.5294 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001523/0.5586, allocations: 31.98 kB / 0.7267 GB, free: 11.79 MB / 0.5294 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0275/0.5861, allocations: 12.61 MB / 0.739 GB, free: 14.89 MB / 0.545 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.404e-06/0.5861, allocations: 4.062 kB / 0.739 GB, free: 14.88 MB / 0.545 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01886/0.605, allocations: 6.5 MB / 0.7454 GB, free: 8.344 MB / 0.545 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000658/0.6057, allocations: 310.4 kB / 0.7457 GB, free: 8.02 MB / 0.545 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002911/0.606, allocations: 24 kB / 0.7457 GB, free: 7.996 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001725/0.6077, allocations: 171.8 kB / 0.7459 GB, free: 7.828 MB / 0.545 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0008472/0.6086, allocations: 281.3 kB / 0.7461 GB, free: 7.555 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001226/0.6087, allocations: 43.98 kB / 0.7462 GB, free: 7.512 MB / 0.545 GB Notification: Performance of sorting global known variables: time 0.001791/0.6105, allocations: 1.129 MB / 0.7473 GB, free: 6.391 MB / 0.545 GB Notification: Performance of sort global known variables: time 1.7e-07/0.6105, allocations: 0 / 0.7473 GB, free: 6.391 MB / 0.545 GB Notification: Performance of remove unused functions: time 0.00215/0.6127, allocations: 0.9479 MB / 0.7482 GB, free: 5.441 MB / 0.545 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 14 (gENCLS.omega,gENCLS.delta,gENCLS.eq,gENROE.w,gENROE.delta,gENROE.Epd,gENROE.Epq,gENROE.PSIkd,gENROE.PSIkq,eSST1A.imDerivativeLag.x,eSST1A.imLeadLag.TF.x_scaled[1],eSST1A.imLeadLag1.TF.x_scaled[1],eSST1A.simpleLagLim.state,eSST1A.TransducerDelay.state) * Number of discrete variables: 2 ($whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (91): * Single equations (assignments): 89 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(1,9), (26,23)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0003047/0.613, allocations: 160.2 kB / 0.7483 GB, free: 5.273 MB / 0.545 GB Notification: Performance of simCode: created initialization part: time 0.01507/0.6281, allocations: 5.379 MB / 0.7536 GB, free: 15.89 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 4.338e-06/0.6281, allocations: 0 / 0.7536 GB, free: 15.89 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.006206/0.6343, allocations: 2.203 MB / 0.7557 GB, free: 13.67 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001579/0.6359, allocations: 194.7 kB / 0.7559 GB, free: 13.48 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006328/0.6422, allocations: 3.522 MB / 0.7594 GB, free: 9.934 MB / 0.5606 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008238/0.6431, allocations: 1.337 MB / 0.7607 GB, free: 8.562 MB / 0.5606 GB Notification: Performance of simCode: alias equations: time 0.0008244/0.6439, allocations: 203.5 kB / 0.7609 GB, free: 8.359 MB / 0.5606 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003614/0.6443, allocations: 111.4 kB / 0.761 GB, free: 8.25 MB / 0.5606 GB Notification: Performance of SimCode: time 5.81e-07/0.6443, allocations: 0 / 0.761 GB, free: 8.25 MB / 0.5606 GB Notification: Performance of Templates: time 0.3508/0.9951, allocations: 43.02 MB / 0.803 GB, free: 115.4 MB / 0.5606 GB make -j1 -f OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.makefile (rm -f OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.pipe ; mkfifo OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.pipe ; head -c 1048576 < OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.pipe >> ../files/OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.sim & ./OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A -abortSlowSimulation -alarm=480 -lv LOG_STATS > OpenIPSL_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.pipe 2>&1)