Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.conf.json 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 4.0.0+maint.om/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/OpenIPSL 3.1.0-master/package.mo", uses=false) Using package OpenIPSL with version 3.1.0-dev (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/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 with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+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) Running command: translateModel(OpenIPSL.Tests.Controls.PSSE.ES.ESST1A,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A") translateModel(OpenIPSL.Tests.Controls.PSSE.ES.ESST1A,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001625/0.001625, allocations: 183.3 kB / 15.98 MB, free: 5.77 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.26/1.26, allocations: 222.9 MB / 239.7 MB, free: 10.99 MB / 202.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001084/0.001083, allocations: 113.7 kB / 289.9 MB, free: 10.92 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/package.mo): time 0.4418/0.4418, allocations: 78.48 MB / 418.5 MB, free: 8.789 MB / 298.7 MB Notification: Performance of FrontEnd - loaded program: time 0.001182/0.001182, allocations: 64.09 kB / 497.4 MB, free: 10.7 MB / 378.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2582/0.2594, allocations: 68.13 MB / 0.5523 GB, free: 20.23 MB / 378.7 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Tests.Controls.PSSE.ES.ESST1A): time 0.006601/0.2661, allocations: 9.346 MB / 0.5614 GB, free: 10.83 MB / 378.7 MB Notification: Performance of NFInst.instExpressions: time 0.005013/0.2711, allocations: 2.992 MB / 0.5644 GB, free: 7.836 MB / 378.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.001104/0.2722, allocations: 16 kB / 0.5644 GB, free: 7.82 MB / 378.7 MB Notification: Performance of NFTyping.typeComponents: time 0.0007732/0.273, allocations: 282.2 kB / 0.5647 GB, free: 7.543 MB / 378.7 MB Notification: Performance of NFTyping.typeBindings: time 0.002369/0.2754, allocations: 1.13 MB / 0.5658 GB, free: 6.414 MB / 378.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.001427/0.2769, allocations: 0.8489 MB / 0.5666 GB, free: 5.574 MB / 378.7 MB Notification: Performance of NFFlatten.flatten: time 0.002002/0.2789, allocations: 2.662 MB / 0.5692 GB, free: 2.906 MB / 378.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0005354/0.2794, allocations: 0.4908 MB / 0.5697 GB, free: 2.383 MB / 378.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0007891/0.2802, allocations: 0.9373 MB / 0.5706 GB, free: 1.441 MB / 378.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0008862/0.2811, allocations: 1.213 MB / 0.5718 GB, free: 228 kB / 378.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0002267/0.2814, allocations: 124 kB / 0.5719 GB, free: 104 kB / 378.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0006156/0.282, allocations: 291.8 kB / 0.5722 GB, free: 15.82 MB / 394.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0003646/0.2824, allocations: 453.9 kB / 0.5726 GB, free: 15.37 MB / 394.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0008115/0.2832, allocations: 0.9668 MB / 0.5735 GB, free: 14.4 MB / 394.7 MB Notification: Performance of NFConvertDAE.convert: time 0.002104/0.2853, allocations: 2.573 MB / 0.5761 GB, free: 11.82 MB / 394.7 MB Notification: Performance of FrontEnd - DAE generated: time 5.51e-06/0.2853, allocations: 8 kB / 0.5761 GB, free: 11.81 MB / 394.7 MB Notification: Performance of FrontEnd: time 1.042e-06/0.2853, allocations: 0 / 0.5761 GB, free: 11.81 MB / 394.7 MB Notification: Performance of Transformations before backend: time 2.675e-05/0.2854, allocations: 0 / 0.5761 GB, free: 11.81 MB / 394.7 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 0.0151/0.3005, allocations: 4.231 MB / 0.5802 GB, free: 7.516 MB / 394.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.1e-05/0.3005, allocations: 8.031 kB / 0.5802 GB, free: 7.508 MB / 394.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004435/0.305, allocations: 0.778 MB / 0.581 GB, free: 6.727 MB / 394.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002334/0.3073, allocations: 1.314 MB / 0.5822 GB, free: 5.363 MB / 394.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0004688/0.3078, allocations: 496.7 kB / 0.5827 GB, free: 4.797 MB / 394.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002202/0.308, allocations: 128 kB / 0.5828 GB, free: 4.672 MB / 394.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003304/0.3114, allocations: 1.668 MB / 0.5845 GB, free: 2.957 MB / 394.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 2.184e-05/0.3114, allocations: 0 / 0.5845 GB, free: 2.957 MB / 394.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000132/0.3115, allocations: 48 kB / 0.5845 GB, free: 2.91 MB / 394.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.244e-05/0.3116, allocations: 28 kB / 0.5845 GB, free: 2.883 MB / 394.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003478/0.315, allocations: 1.574 MB / 0.5861 GB, free: 1.301 MB / 394.7 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 0.009457/0.3245, allocations: 5.518 MB / 0.5915 GB, free: 11.57 MB / 410.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.00927/0.3338, allocations: 3.205 MB / 0.5946 GB, free: 8.234 MB / 410.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.00229/0.3361, allocations: 1.014 MB / 0.5956 GB, free: 7.207 MB / 410.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0001511/0.3363, allocations: 25.3 kB / 0.5956 GB, free: 7.184 MB / 410.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.002541/0.3388, allocations: 1.18 MB / 0.5968 GB, free: 5.98 MB / 410.7 MB Notification: Performance of pre-optimization done (n=143): time 3.827e-06/0.3388, allocations: 0 / 0.5968 GB, free: 5.98 MB / 410.7 MB Notification: Performance of matching and sorting (n=143): time 0.04709/0.3859, allocations: 10.97 MB / 0.6075 GB, free: 10.94 MB / 426.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 9.585e-05/0.3861, allocations: 171.5 kB / 0.6076 GB, free: 10.73 MB / 426.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00274/0.3888, allocations: 1.674 MB / 0.6093 GB, free: 9.059 MB / 426.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0002772/0.3891, allocations: 53.7 kB / 0.6093 GB, free: 9 MB / 426.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0005088/0.3896, allocations: 0.7029 MB / 0.61 GB, free: 8.285 MB / 426.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0005042/0.3902, allocations: 0.5084 MB / 0.6105 GB, free: 7.77 MB / 426.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006821/0.3908, allocations: 387.7 kB / 0.6109 GB, free: 7.383 MB / 426.7 MB Notification: Performance of setup shared object (initialization): time 9.55e-05/0.3909, allocations: 301.1 kB / 0.6112 GB, free: 7.086 MB / 426.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002503/0.3935, allocations: 1.106 MB / 0.6122 GB, free: 5.969 MB / 426.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002653/0.3961, allocations: 1.329 MB / 0.6135 GB, free: 4.578 MB / 426.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.004919/0.4011, allocations: 2.312 MB / 0.6158 GB, free: 2.219 MB / 426.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.022e-06/0.4011, allocations: 0 / 0.6158 GB, free: 2.219 MB / 426.7 MB Notification: Performance of matching and sorting (n=268) (initialization): time 0.01053/0.4116, allocations: 4.122 MB / 0.6198 GB, free: 14.08 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 2.056e-05/0.4116, allocations: 4 kB / 0.6198 GB, free: 14.07 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.367e-05/0.4117, allocations: 4 kB / 0.6198 GB, free: 14.07 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01087/0.4225, allocations: 3.198 MB / 0.623 GB, free: 10.86 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001477/0.424, allocations: 299.6 kB / 0.6232 GB, free: 10.57 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008325/0.4324, allocations: 3.422 MB / 0.6266 GB, free: 7.133 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002704/0.4351, allocations: 298 kB / 0.6269 GB, free: 6.84 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001946/0.4353, allocations: 79.97 kB / 0.6269 GB, free: 6.762 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003056/0.4384, allocations: 1.312 MB / 0.6282 GB, free: 5.441 MB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00263/0.441, allocations: 1.29 MB / 0.6295 GB, free: 4.09 MB / 442.7 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.00503/0.4461, allocations: 2.242 MB / 0.6317 GB, free: 1.805 MB / 442.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 5.12e-06/0.4461, allocations: 8 kB / 0.6317 GB, free: 1.797 MB / 442.7 MB Notification: Performance of matching and sorting (n=268) (initialization_lambda0): time 0.01162/0.4577, allocations: 4.195 MB / 0.6358 GB, free: 13.58 MB / 458.7 MB Notification: Performance of prepare postOptimizeDAE: time 1.926e-05/0.4578, allocations: 9.406 kB / 0.6358 GB, free: 13.57 MB / 458.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.237e-06/0.4578, allocations: 4 kB / 0.6358 GB, free: 13.57 MB / 458.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01074/0.4685, allocations: 3.136 MB / 0.6389 GB, free: 10.43 MB / 458.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001452/0.47, allocations: 307.5 kB / 0.6391 GB, free: 10.12 MB / 458.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.007532/0.4775, allocations: 3.209 MB / 0.6423 GB, free: 6.891 MB / 458.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002577/0.4801, allocations: 262.5 kB / 0.6425 GB, free: 6.633 MB / 458.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001768/0.4803, allocations: 71.98 kB / 0.6426 GB, free: 6.562 MB / 458.7 MB 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 0.0004487/0.4808, allocations: 278.5 kB / 0.6429 GB, free: 6.285 MB / 458.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003523/0.4811, allocations: 185.7 kB / 0.643 GB, free: 6.102 MB / 458.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01836/0.4995, allocations: 5.217 MB / 0.6481 GB, free: 0.8594 MB / 458.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.8e-05/0.4996, allocations: 12 kB / 0.6481 GB, free: 0.8477 MB / 458.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.109e-05/0.4996, allocations: 7.938 kB / 0.6482 GB, free: 0.8398 MB / 458.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.207e-05/0.4996, allocations: 7.984 kB / 0.6482 GB, free: 0.832 MB / 458.7 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 0.02127/0.5209, allocations: 7.544 MB / 0.6555 GB, free: 9.148 MB / 474.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.15e-05/0.5209, allocations: 0 / 0.6555 GB, free: 9.148 MB / 474.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001045/0.522, allocations: 163.8 kB / 0.6557 GB, free: 8.988 MB / 474.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.008521/0.5305, allocations: 2.314 MB / 0.6579 GB, free: 6.668 MB / 474.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0002206/0.5308, allocations: 35.92 kB / 0.658 GB, free: 6.633 MB / 474.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.02822/0.559, allocations: 11.56 MB / 0.6693 GB, free: 10.8 MB / 490.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.274e-06/0.559, allocations: 0 / 0.6693 GB, free: 10.8 MB / 490.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.4002/0.9592, allocations: 46.38 MB / 0.7146 GB, free: 95.26 MB / 490.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0004575/0.9597, allocations: 310.4 kB / 0.7149 GB, free: 94.95 MB / 490.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003986/0.9601, allocations: 31.98 kB / 0.7149 GB, free: 94.92 MB / 490.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001898/0.962, allocations: 167.8 kB / 0.7151 GB, free: 94.76 MB / 490.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0007905/0.9629, allocations: 269.3 kB / 0.7153 GB, free: 94.5 MB / 490.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001091/0.963, allocations: 43.92 kB / 0.7153 GB, free: 94.45 MB / 490.7 MB Notification: Performance of sorting global known variables: time 0.001543/0.9645, allocations: 1.136 MB / 0.7165 GB, free: 93.32 MB / 490.7 MB Notification: Performance of sort global known variables: time 3.41e-07/0.9645, allocations: 0 / 0.7165 GB, free: 93.32 MB / 490.7 MB Notification: Performance of remove unused functions: time 0.003266/0.9678, allocations: 1.511 MB / 0.7179 GB, free: 91.82 MB / 490.7 MB 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 0.0002658/0.9681, allocations: 156.5 kB / 0.7181 GB, free: 91.66 MB / 490.7 MB Notification: Performance of simCode: created initialization part: time 0.01524/0.9833, allocations: 5.307 MB / 0.7233 GB, free: 86.38 MB / 490.7 MB Notification: Performance of simCode: created event and clocks part: time 4.398e-06/0.9834, allocations: 0 / 0.7233 GB, free: 86.38 MB / 490.7 MB Notification: Performance of simCode: created simulation system equations: time 0.006102/0.9895, allocations: 2.173 MB / 0.7254 GB, free: 84.18 MB / 490.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001254/0.9908, allocations: 177.8 kB / 0.7256 GB, free: 84.01 MB / 490.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0105/1.001, allocations: 6.131 MB / 0.7315 GB, free: 77.82 MB / 490.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005653/1.002, allocations: 1.392 MB / 0.7329 GB, free: 76.4 MB / 490.7 MB Notification: Performance of simCode: alias equations: time 0.0008777/1.003, allocations: 223.5 kB / 0.7331 GB, free: 76.18 MB / 490.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004124/1.003, allocations: 111.4 kB / 0.7332 GB, free: 76.07 MB / 490.7 MB Notification: Performance of SimCode: time 5.61e-07/1.003, allocations: 0 / 0.7332 GB, free: 76.07 MB / 490.7 MB Notification: Performance of Templates: time 0.05843/1.062, allocations: 55.14 MB / 0.7871 GB, free: 21.01 MB / 490.7 MB make -j1 -f OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.makefile (rm -f OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.pipe ; mkfifo OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.pipe ; head -c 1048576 < OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.pipe >> ../files/OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.sim & ./OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A -abortSlowSimulation -alarm=480 -lv LOG_STATS > OpenIPSL_dev_OpenIPSL.Tests.Controls.PSSE.ES.ESST1A.pipe 2>&1)