Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer.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 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false)
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/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)
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(IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer")
translateModel(IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001146/0.001146, allocations: 107.6 kB / 16.52 MB, free: 6.27 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001288/0.001288, allocations: 197 kB / 17.44 MB, free: 5.887 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.362/1.362, allocations: 222.9 MB / 241.1 MB, free: 15.49 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7587/0.7587, allocations: 115.3 MB / 406.6 MB, free: 6.441 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001524/0.001524, allocations: 79.88 kB / 493.6 MB, free: 0.8398 MB / 398.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3377/0.3393, allocations: 76.15 MB / 0.5564 GB, free: 36.38 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer): time 0.005783/0.3451, allocations: 5.12 MB / 0.5614 GB, free: 32.87 MB / 446.1 MB
Notification: Performance of NFInst.instExpressions: time 0.005359/0.3505, allocations: 4.063 MB / 0.5653 GB, free: 30.15 MB / 446.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.000329/0.3508, allocations: 15.75 kB / 0.5654 GB, free: 30.14 MB / 446.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.001338/0.3522, allocations: 0.532 MB / 0.5659 GB, free: 29.83 MB / 446.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.001358/0.3535, allocations: 0.6237 MB / 0.5665 GB, free: 29.5 MB / 446.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.001192/0.3548, allocations: 423.4 kB / 0.5669 GB, free: 29.3 MB / 446.1 MB
Notification: Performance of NFFlatten.flatten: time 0.001611/0.3564, allocations: 1.416 MB / 0.5683 GB, free: 28.82 MB / 446.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0007218/0.3571, allocations: 405.2 kB / 0.5687 GB, free: 28.68 MB / 446.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0004657/0.3576, allocations: 354.3 kB / 0.569 GB, free: 28.54 MB / 446.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.0006608/0.3583, allocations: 0.4915 MB / 0.5695 GB, free: 28.36 MB / 446.1 MB
Notification: Performance of NFPackage.collectConstants: time 9.48e-05/0.3584, allocations: 41.84 kB / 0.5695 GB, free: 28.35 MB / 446.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.001716/0.3601, allocations: 0.989 MB / 0.5705 GB, free: 28.01 MB / 446.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.0003094/0.3604, allocations: 277.4 kB / 0.5708 GB, free: 27.92 MB / 446.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.0003681/0.3608, allocations: 353.4 kB / 0.5711 GB, free: 27.72 MB / 446.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.001343/0.3621, allocations: 0.9874 MB / 0.5721 GB, free: 27.45 MB / 446.1 MB
Notification: Performance of FrontEnd - DAE generated: time 5.11e-06/0.3621, allocations: 1.969 kB / 0.5721 GB, free: 27.45 MB / 446.1 MB
Notification: Performance of FrontEnd: time 7.11e-07/0.3621, allocations: 0 / 0.5721 GB, free: 27.45 MB / 446.1 MB
Notification: Performance of Transformations before backend: time 1.037e-05/0.3622, allocations: 0.8125 kB / 0.5721 GB, free: 27.45 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: 181
 * Number of variables: 181
Notification: Performance of Generate backend data structure: time 0.00197/0.3641, allocations: 1.073 MB / 0.5731 GB, free: 26.7 MB / 446.1 MB
Notification: Performance of prepare preOptimizeDAE: time 3.957e-05/0.3642, allocations: 14.38 kB / 0.5731 GB, free: 26.7 MB / 446.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.009018/0.3732, allocations: 1.614 MB / 0.5747 GB, free: 26.64 MB / 446.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.00104/0.3743, allocations: 0.5382 MB / 0.5752 GB, free: 26.27 MB / 446.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.299e-05/0.3743, allocations: 52.66 kB / 0.5753 GB, free: 26.25 MB / 446.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001615/0.3745, allocations: 64.89 kB / 0.5753 GB, free: 26.23 MB / 446.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.004683/0.3792, allocations: 1.827 MB / 0.5771 GB, free: 25.64 MB / 446.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 2.501e-05/0.3792, allocations: 7.344 kB / 0.5771 GB, free: 25.64 MB / 446.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001103/0.3793, allocations: 27.8 kB / 0.5771 GB, free: 25.62 MB / 446.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.000219/0.3796, allocations: 106.1 kB / 0.5773 GB, free: 25.61 MB / 446.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00671/0.3863, allocations: 2.467 MB / 0.5797 GB, free: 24.53 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 0.007557/0.3939, allocations: 6.348 MB / 0.5859 GB, free: 19.12 MB / 446.1 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.00316/0.397, allocations: 1.367 MB / 0.5872 GB, free: 18.35 MB / 446.1 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.002224/0.3993, allocations: 0.8926 MB / 0.5881 GB, free: 17.89 MB / 446.1 MB
Notification: Performance of preOpt evalFunc (simulation): time 0.002348/0.4016, allocations: 2.141 MB / 0.5902 GB, free: 15.99 MB / 446.1 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.099e-05/0.4017, allocations: 54.11 kB / 0.5902 GB, free: 15.93 MB / 446.1 MB
Notification: Performance of pre-optimization done (n=69): time 2.815e-06/0.4017, allocations: 1.312 kB / 0.5902 GB, free: 15.93 MB / 446.1 MB
Notification: Performance of matching and sorting (n=93): time 0.01976/0.4215, allocations: 6.465 MB / 0.5965 GB, free: 10.86 MB / 446.1 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.784e-05/0.4216, allocations: 195.9 kB / 0.5967 GB, free: 10.63 MB / 446.1 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006494/0.4222, allocations: 0.5173 MB / 0.5972 GB, free: 10.1 MB / 446.1 MB
Notification: Performance of collectPreVariables (initialization): time 0.0001659/0.4224, allocations: 37.7 kB / 0.5973 GB, free: 10.05 MB / 446.1 MB
Notification: Performance of collectInitialEqns (initialization): time 0.000202/0.4226, allocations: 394.7 kB / 0.5976 GB, free: 9.66 MB / 446.1 MB
Notification: Performance of collectInitialBindings (initialization): time 0.0002659/0.4229, allocations: 323.3 kB / 0.5979 GB, free: 9.34 MB / 446.1 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0004135/0.4233, allocations: 258.5 kB / 0.5982 GB, free: 9.082 MB / 446.1 MB
Notification: Performance of setup shared object (initialization): time 9.554e-05/0.4234, allocations: 382.7 kB / 0.5985 GB, free: 8.699 MB / 446.1 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002322/0.4257, allocations: 0.9972 MB / 0.5995 GB, free: 7.699 MB / 446.1 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0024/0.4282, allocations: 1.279 MB / 0.6008 GB, free: 6.305 MB / 446.1 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.004631/0.4328, allocations: 2.257 MB / 0.603 GB, free: 3.934 MB / 446.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.081e-06/0.4328, allocations: 0 / 0.603 GB, free: 3.934 MB / 446.1 MB
Notification: Performance of matching and sorting (n=152) (initialization): time 0.008389/0.4412, allocations: 3.302 MB / 0.6062 GB, free: 0.6055 MB / 446.1 MB
Notification: Performance of prepare postOptimizeDAE: time 2.391e-05/0.4413, allocations: 8 kB / 0.6062 GB, free: 0.5977 MB / 446.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.753e-05/0.4413, allocations: 8.438 kB / 0.6062 GB, free: 0.5898 MB / 446.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.004066/0.4453, allocations: 1.049 MB / 0.6072 GB, free: 15.52 MB / 462.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002023/0.4474, allocations: 459.2 kB / 0.6077 GB, free: 15.07 MB / 462.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01175/0.4592, allocations: 8.929 MB / 0.6164 GB, free: 5.621 MB / 462.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002283/0.4615, allocations: 291.5 kB / 0.6167 GB, free: 5.336 MB / 462.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001405/0.4616, allocations: 59.97 kB / 0.6167 GB, free: 5.277 MB / 462.1 MB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003078/0.4647, allocations: 1.177 MB / 0.6179 GB, free: 4.094 MB / 462.1 MB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002864/0.4676, allocations: 1.271 MB / 0.6191 GB, free: 2.711 MB / 462.1 MB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.005344/0.473, allocations: 2.238 MB / 0.6213 GB, free: 368 kB / 462.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.683e-06/0.473, allocations: 4 kB / 0.6213 GB, free: 364 kB / 462.1 MB
Notification: Performance of matching and sorting (n=152) (initialization_lambda0): time 0.008887/0.4819, allocations: 3.052 MB / 0.6243 GB, free: 13.29 MB / 478.1 MB
Notification: Performance of prepare postOptimizeDAE: time 1.995e-05/0.4819, allocations: 8 kB / 0.6243 GB, free: 13.28 MB / 478.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.499e-05/0.4819, allocations: 8 kB / 0.6243 GB, free: 13.27 MB / 478.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 0.003023/0.485, allocations: 0.7524 MB / 0.625 GB, free: 12.51 MB / 478.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002186/0.4872, allocations: 479.2 kB / 0.6255 GB, free: 12.04 MB / 478.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008171/0.4954, allocations: 6.658 MB / 0.632 GB, free: 4.98 MB / 478.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002141/0.4975, allocations: 303.5 kB / 0.6323 GB, free: 4.684 MB / 478.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000142/0.4977, allocations: 59.95 kB / 0.6323 GB, free: 4.625 MB / 478.1 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 37
 * 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 (124):
 * Single equations (assignments): 120
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 4
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 3 systems
   {(2,6,100.0%), (2,6,100.0%), (2,6,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(2,6)}
Notification: Performance of prepare postOptimizeDAE: time 0.0005168/0.4982, allocations: 251.8 kB / 0.6326 GB, free: 4.371 MB / 478.1 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002648/0.4985, allocations: 75.16 kB / 0.6327 GB, free: 4.297 MB / 478.1 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.009521/0.508, allocations: 3.047 MB / 0.6356 GB, free: 1.219 MB / 478.1 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.196e-05/0.5081, allocations: 11.98 kB / 0.6356 GB, free: 1.207 MB / 478.1 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.271e-05/0.5081, allocations: 8 kB / 0.6357 GB, free: 1.199 MB / 478.1 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.424e-05/0.5081, allocations: 3.984 kB / 0.6357 GB, free: 1.195 MB / 478.1 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01158/0.5197, allocations: 4.985 MB / 0.6405 GB, free: 12.07 MB / 494.1 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.478e-06/0.5197, allocations: 4.625 kB / 0.6405 GB, free: 12.07 MB / 494.1 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001582/0.5213, allocations: 355.4 kB / 0.6409 GB, free: 11.72 MB / 494.1 MB
Notification: Performance of postOpt tearingSystem (simulation): time 0.003702/0.525, allocations: 0.9552 MB / 0.6418 GB, free: 10.75 MB / 494.1 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001175/0.5252, allocations: 35.97 kB / 0.6418 GB, free: 10.71 MB / 494.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.01061/0.5358, allocations: 8.634 MB / 0.6503 GB, free: 1.543 MB / 494.1 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.332e-06/0.5358, allocations: 4 kB / 0.6503 GB, free: 1.539 MB / 494.1 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.008985/0.5448, allocations: 3.215 MB / 0.6534 GB, free: 14.23 MB / 0.4981 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0006273/0.5455, allocations: 304 kB / 0.6537 GB, free: 13.91 MB / 0.4981 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002463/0.5457, allocations: 31.83 kB / 0.6537 GB, free: 13.88 MB / 0.4981 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001836/0.5476, allocations: 283.5 kB / 0.654 GB, free: 13.61 MB / 0.4981 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002953/0.5479, allocations: 91.77 kB / 0.6541 GB, free: 13.52 MB / 0.4981 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001071/0.548, allocations: 35.97 kB / 0.6541 GB, free: 13.48 MB / 0.4981 GB
Notification: Performance of sorting global known variables: time 0.0006138/0.5486, allocations: 366.8 kB / 0.6545 GB, free: 13.12 MB / 0.4981 GB
Notification: Performance of sort global known variables: time 1.31e-07/0.5486, allocations: 0 / 0.6545 GB, free: 13.12 MB / 0.4981 GB
Notification: Performance of remove unused functions: time 0.002409/0.5511, allocations: 0.5156 MB / 0.655 GB, free: 12.61 MB / 0.4981 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 23
 * 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 simulation (66):
 * Single equations (assignments): 62
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 4
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 3 systems
   {(2,6,100.0%), (2,6,100.0%), (2,6,100.0%)}
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(2,6)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.0002796/0.5513, allocations: 131.1 kB / 0.6551 GB, free: 12.47 MB / 0.4981 GB
Notification: Performance of simCode: created initialization part: time 0.01152/0.5629, allocations: 4.634 MB / 0.6596 GB, free: 7.746 MB / 0.4981 GB
Notification: Performance of simCode: created event and clocks part: time 9.308e-06/0.5629, allocations: 0 / 0.6596 GB, free: 7.746 MB / 0.4981 GB
Notification: Performance of simCode: created simulation system equations: time 0.004017/0.5669, allocations: 1.738 MB / 0.6613 GB, free: 5.957 MB / 0.4981 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001321/0.5683, allocations: 124.9 kB / 0.6614 GB, free: 5.836 MB / 0.4981 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01037/0.5787, allocations: 3.624 MB / 0.665 GB, free: 2.113 MB / 0.4981 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008361/0.5795, allocations: 1.032 MB / 0.666 GB, free: 1.047 MB / 0.4981 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005636/0.5801, allocations: 107.3 kB / 0.6661 GB, free: 0.9414 MB / 0.4981 GB
Notification: Performance of SimCode: time 1.122e-06/0.5801, allocations: 0 / 0.6661 GB, free: 0.9414 MB / 0.4981 GB
Notification: Performance of Templates: time 0.03506/0.6152, allocations: 25.72 MB / 0.6912 GB, free: 7.219 MB / 0.5294 GB
make -j1 -f IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer.makefile
(rm -f IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer.pipe ; mkfifo IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer.pipe >> ../files/IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer.sim & ./IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Electrical.AC.OnePhase.Conversion.Examples.ACACTransformer.pipe 2>&1)