Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr PowerSystems_PowerSystems.Examples.PowerWorld.Test.HydroPlantTest2.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/PowerSystems 2.0.0/package.mo", uses=false) Using package PowerSystems with version 2.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems 2.0.0/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: "" <> buildModelFMU(PowerSystems.Examples.PowerWorld.Test.HydroPlantTest2,fileNamePrefix="PowerSystems_PowerSystems_Examples_PowerWorld_Test_HydroPlantTest2",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(PowerSystems.Examples.PowerWorld.Test.HydroPlantTest2,fileNamePrefix="PowerSystems_PowerSystems_Examples_PowerWorld_Test_HydroPlantTest2",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 0.001842/0.001842, allocations: 106.2 kB / 17.06 MB, free: 6.098 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001885/0.001885, allocations: 200.1 kB / 18 MB, free: 5.168 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 2.383/2.383, allocations: 222.9 MB / 241.7 MB, free: 15.08 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/PowerSystems 2.0.0/package.mo): time 0.368/0.368, allocations: 38.04 MB / 329.9 MB, free: 8.688 MB / 270.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002809/0.002809, allocations: 63.91 kB / 457.6 MB, free: 7.359 MB / 334.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.6149/0.6177, allocations: 58.06 MB / 0.5036 GB, free: 7.488 MB / 382.1 MB Notification: Performance of NFInst.instantiate(PowerSystems.Examples.PowerWorld.Test.HydroPlantTest2): time 0.01337/0.6312, allocations: 5.618 MB / 0.5091 GB, free: 3.543 MB / 382.1 MB Notification: Performance of NFInst.instExpressions: time 0.007305/0.6385, allocations: 2.6 MB / 0.5116 GB, free: 1.703 MB / 382.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.00146/0.6401, allocations: 24.28 kB / 0.5117 GB, free: 1.695 MB / 382.1 MB Notification: Performance of NFTyping.typeComponents: time 0.001893/0.642, allocations: 375.3 kB / 0.512 GB, free: 1.461 MB / 382.1 MB Notification: Performance of NFTyping.typeBindings: time 0.002339/0.6443, allocations: 469.4 kB / 0.5125 GB, free: 1.195 MB / 382.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.001929/0.6463, allocations: 463.1 kB / 0.5129 GB, free: 0.9375 MB / 382.1 MB Notification: Performance of NFFlatten.flatten: time 0.002335/0.6487, allocations: 1.063 MB / 0.5139 GB, free: 440 kB / 382.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.001507/0.6502, allocations: 0.5643 MB / 0.5145 GB, free: 160 kB / 382.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001531/0.6517, allocations: 433.6 kB / 0.5149 GB, free: 15.94 MB / 398.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001107/0.6529, allocations: 426.2 kB / 0.5153 GB, free: 15.74 MB / 398.1 MB Notification: Performance of NFPackage.collectConstants: time 0.000195/0.6531, allocations: 73.81 kB / 0.5154 GB, free: 15.74 MB / 398.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001797/0.6549, allocations: 0.4974 MB / 0.5159 GB, free: 15.56 MB / 398.1 MB Notification: Performance of NFScalarize.scalarize: time 0.0005397/0.6554, allocations: 231.2 kB / 0.5161 GB, free: 15.44 MB / 398.1 MB Notification: Performance of NFVerifyModel.verify: time 0.000798/0.6563, allocations: 373.3 kB / 0.5165 GB, free: 15.2 MB / 398.1 MB Notification: Performance of NFConvertDAE.convert: time 0.003673/0.66, allocations: 1.082 MB / 0.5175 GB, free: 14.76 MB / 398.1 MB Notification: Performance of FrontEnd - DAE generated: time 9.187e-06/0.66, allocations: 0 / 0.5175 GB, free: 14.76 MB / 398.1 MB Notification: Performance of FrontEnd: time 3.767e-06/0.66, allocations: 4.703 kB / 0.5175 GB, free: 14.76 MB / 398.1 MB Notification: Performance of Transformations before backend: time 3.472e-05/0.6601, allocations: 1.062 kB / 0.5175 GB, free: 14.76 MB / 398.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 146 * Number of variables: 146 Notification: Performance of Generate backend data structure: time 0.0045/0.6646, allocations: 1.128 MB / 0.5186 GB, free: 13.95 MB / 398.1 MB Notification: Performance of prepare preOptimizeDAE: time 7.691e-05/0.6647, allocations: 9.906 kB / 0.5186 GB, free: 13.95 MB / 398.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002302/0.6649, allocations: 106.1 kB / 0.5187 GB, free: 13.87 MB / 398.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002375/0.6673, allocations: 185 kB / 0.5189 GB, free: 13.82 MB / 398.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00203/0.6694, allocations: 0.5568 MB / 0.5194 GB, free: 13.44 MB / 398.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.653e-05/0.6695, allocations: 53 kB / 0.5195 GB, free: 13.41 MB / 398.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001924/0.6697, allocations: 59.27 kB / 0.5196 GB, free: 13.39 MB / 398.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0029/0.6726, allocations: 0.7855 MB / 0.5203 GB, free: 13.03 MB / 398.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.62e-05/0.6727, allocations: 6.172 kB / 0.5203 GB, free: 13.02 MB / 398.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001044/0.6728, allocations: 22.62 kB / 0.5203 GB, free: 13.01 MB / 398.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001095/0.6729, allocations: 32.67 kB / 0.5204 GB, free: 13.01 MB / 398.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002916/0.6758, allocations: 0.7345 MB / 0.5211 GB, free: 12.77 MB / 398.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.009067/0.6849, allocations: 2.9 MB / 0.5239 GB, free: 10.88 MB / 398.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002387/0.6874, allocations: 0.5814 MB / 0.5245 GB, free: 10.66 MB / 398.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001376/0.6888, allocations: 361.3 kB / 0.5248 GB, free: 10.52 MB / 398.1 MB Notification: Performance of preOpt evalFunc (simulation): time 8.287e-05/0.6889, allocations: 11.92 kB / 0.5249 GB, free: 10.51 MB / 398.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.00149/0.6904, allocations: 416.7 kB / 0.5252 GB, free: 10.33 MB / 398.1 MB Notification: Performance of pre-optimization done (n=56): time 4.879e-06/0.6905, allocations: 3.938 kB / 0.5253 GB, free: 10.33 MB / 398.1 MB Notification: Performance of matching and sorting (n=58): time 0.007867/0.6983, allocations: 2.144 MB / 0.5273 GB, free: 9.199 MB / 398.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001114/0.6985, allocations: 111.5 kB / 0.5275 GB, free: 9.074 MB / 398.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001247/0.6998, allocations: 480.8 kB / 0.5279 GB, free: 8.855 MB / 398.1 MB Notification: Performance of collectPreVariables (initialization): time 9.599e-05/0.6999, allocations: 38.02 kB / 0.5279 GB, free: 8.816 MB / 398.1 MB Notification: Performance of collectInitialEqns (initialization): time 0.0003997/0.7003, allocations: 318.6 kB / 0.5283 GB, free: 8.559 MB / 398.1 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003168/0.7006, allocations: 211.6 kB / 0.5285 GB, free: 8.391 MB / 398.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003223/0.701, allocations: 108.6 kB / 0.5286 GB, free: 8.336 MB / 398.1 MB Notification: Performance of setup shared object (initialization): time 0.0002543/0.7012, allocations: 367 kB / 0.5289 GB, free: 8 MB / 398.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001094/0.7023, allocations: 292.7 kB / 0.5292 GB, free: 7.895 MB / 398.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001201/0.7035, allocations: 401.9 kB / 0.5296 GB, free: 7.672 MB / 398.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.002405/0.706, allocations: 0.7297 MB / 0.5303 GB, free: 7.277 MB / 398.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.468e-06/0.706, allocations: 1.344 kB / 0.5303 GB, free: 7.277 MB / 398.1 MB Notification: Performance of matching and sorting (n=74) (initialization): time 0.004048/0.7101, allocations: 1.015 MB / 0.5313 GB, free: 6.785 MB / 398.1 MB Notification: Performance of prepare postOptimizeDAE: time 6.767e-05/0.7102, allocations: 36.86 kB / 0.5313 GB, free: 6.75 MB / 398.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.661e-05/0.7102, allocations: 3.406 kB / 0.5313 GB, free: 6.75 MB / 398.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.001107/0.7113, allocations: 184.9 kB / 0.5315 GB, free: 6.652 MB / 398.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009202/0.7122, allocations: 118.7 kB / 0.5316 GB, free: 6.617 MB / 398.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008282/0.7205, allocations: 4.132 MB / 0.5356 GB, free: 2.883 MB / 398.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001272/0.7219, allocations: 63.78 kB / 0.5357 GB, free: 2.848 MB / 398.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001954/0.7221, allocations: 26.14 kB / 0.5357 GB, free: 2.84 MB / 398.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001707/0.7238, allocations: 443.6 kB / 0.5361 GB, free: 2.574 MB / 398.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001265/0.7251, allocations: 391.5 kB / 0.5365 GB, free: 2.301 MB / 398.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.002423/0.7276, allocations: 0.6982 MB / 0.5372 GB, free: 1.852 MB / 398.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.042e-05/0.7276, allocations: 1.094 kB / 0.5372 GB, free: 1.852 MB / 398.1 MB Notification: Performance of matching and sorting (n=74) (initialization_lambda0): time 0.004035/0.7317, allocations: 0.9284 MB / 0.5381 GB, free: 1.336 MB / 398.1 MB Notification: Performance of prepare postOptimizeDAE: time 6.105e-05/0.7317, allocations: 33.89 kB / 0.5381 GB, free: 1.305 MB / 398.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.532e-05/0.7318, allocations: 2.219 kB / 0.5381 GB, free: 1.305 MB / 398.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0009733/0.7328, allocations: 173.8 kB / 0.5383 GB, free: 1.215 MB / 398.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009214/0.7337, allocations: 119 kB / 0.5384 GB, free: 1.18 MB / 398.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.006606/0.7403, allocations: 3.941 MB / 0.5423 GB, free: 13.53 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001329/0.7417, allocations: 49.88 kB / 0.5423 GB, free: 13.5 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000256/0.742, allocations: 30.17 kB / 0.5423 GB, free: 13.49 MB / 414.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 13 * Number of states: 0 () * Number of discrete variables: 7 (system.initime,secondary.count,$PRE.secondary.count,secondary.T_start,$PRE.secondary.T_start,$whenCondition1,hydroPlant.reservoirLevel.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (59): * Single equations (assignments): 56 * Array equations: 0 * Algorithm blocks: 1 * 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): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,13)} Notification: Performance of prepare postOptimizeDAE: time 0.0006155/0.7427, allocations: 215.7 kB / 0.5426 GB, free: 13.29 MB / 414.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003476/0.743, allocations: 64.56 kB / 0.5426 GB, free: 13.25 MB / 414.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.003277/0.7463, allocations: 0.8176 MB / 0.5434 GB, free: 12.79 MB / 414.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.714e-05/0.7464, allocations: 6.75 kB / 0.5434 GB, free: 12.79 MB / 414.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.695e-05/0.7464, allocations: 5.094 kB / 0.5434 GB, free: 12.78 MB / 414.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.907e-05/0.7464, allocations: 5.156 kB / 0.5434 GB, free: 12.78 MB / 414.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.005741/0.7522, allocations: 1.669 MB / 0.5451 GB, free: 11.63 MB / 414.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.195e-05/0.7522, allocations: 1.812 kB / 0.5451 GB, free: 11.63 MB / 414.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001141/0.7534, allocations: 140.8 kB / 0.5452 GB, free: 11.58 MB / 414.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004328/0.7538, allocations: 64.23 kB / 0.5453 GB, free: 11.54 MB / 414.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001062/0.754, allocations: 13.78 kB / 0.5453 GB, free: 11.54 MB / 414.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.00356/0.7575, allocations: 2.896 MB / 0.5481 GB, free: 8.57 MB / 414.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.768e-06/0.7576, allocations: 6.688 kB / 0.5481 GB, free: 8.566 MB / 414.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004774/0.7624, allocations: 1.309 MB / 0.5494 GB, free: 7.773 MB / 414.1 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0007512/0.7632, allocations: 190.7 kB / 0.5496 GB, free: 7.602 MB / 414.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002732/0.7635, allocations: 13.5 kB / 0.5496 GB, free: 7.594 MB / 414.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001041/0.7645, allocations: 59.8 kB / 0.5496 GB, free: 7.562 MB / 414.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002609/0.7648, allocations: 47.53 kB / 0.5497 GB, free: 7.539 MB / 414.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.18e-05/0.7649, allocations: 19.06 kB / 0.5497 GB, free: 7.535 MB / 414.1 MB Notification: Performance of sorting global known variables: time 0.001039/0.766, allocations: 344.5 kB / 0.55 GB, free: 7.328 MB / 414.1 MB Notification: Performance of sort global known variables: time 5.41e-07/0.766, allocations: 1.062 kB / 0.55 GB, free: 7.328 MB / 414.1 MB Notification: Performance of remove unused functions: time 0.002285/0.7683, allocations: 265.8 kB / 0.5503 GB, free: 7.227 MB / 414.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 4 (hydroPlant.reservoirLevel.y,hydroPlant.rotor.phi,hydroPlant.rotor.w,hydroPlant.controlDynamics.x_scaled[1]) * Number of discrete variables: 4 (system.initime,$whenCondition1,secondary.T_start,secondary.count) * Number of discrete states: 1 (secondary.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (62): * Single equations (assignments): 57 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 3 * 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): 2 systems {(1,2,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.00454/0.7728, allocations: 1.867 MB / 0.5521 GB, free: 5.301 MB / 414.1 MB Notification: Performance of simCode: created initialization part: time 0.005461/0.7783, allocations: 1.754 MB / 0.5538 GB, free: 3.469 MB / 414.1 MB Notification: Performance of simCode: created event and clocks part: time 1.205e-05/0.7784, allocations: 4 kB / 0.5538 GB, free: 3.465 MB / 414.1 MB Notification: Performance of simCode: created simulation system equations: time 0.001708/0.7801, allocations: 0.6064 MB / 0.5544 GB, free: 2.836 MB / 414.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001569/0.7817, allocations: 129.8 kB / 0.5545 GB, free: 2.715 MB / 414.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01954/0.8013, allocations: 6.365 MB / 0.5608 GB, free: 12.11 MB / 430.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009493/0.8023, allocations: 0.9509 MB / 0.5617 GB, free: 11.13 MB / 430.1 MB Notification: Performance of simCode: alias equations: time 0.0008453/0.8031, allocations: 152.5 kB / 0.5618 GB, free: 10.98 MB / 430.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005748/0.8037, allocations: 235.3 kB / 0.5621 GB, free: 10.75 MB / 430.1 MB Notification: Performance of SimCode: time 9.82e-07/0.8038, allocations: 0 / 0.5621 GB, free: 10.75 MB / 430.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.8759/1.68, allocations: 16.28 MB / 0.5779 GB, free: 10.66 MB / 446.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 22.52/24.2, allocations: 7.938 kB / 0.578 GB, free: 10.66 MB / 446.1 MB (rm -f PowerSystems_PowerSystems.Examples.PowerWorld.Test.HydroPlantTest2.pipe ; mkfifo PowerSystems_PowerSystems.Examples.PowerWorld.Test.HydroPlantTest2.pipe ; head -c 1048576 < PowerSystems_PowerSystems.Examples.PowerWorld.Test.HydroPlantTest2.pipe >> ../files/PowerSystems_PowerSystems.Examples.PowerWorld.Test.HydroPlantTest2.sim & python3 -m fmpy simulate --output-file PowerSystems_PowerSystems.Examples.PowerWorld.Test.HydroPlantTest2_res.csv --start-time 0 --stop-time 86400 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 34.56 PowerSystems_PowerSystems_Examples_PowerWorld_Test_HydroPlantTest2.fmu > PowerSystems_PowerSystems.Examples.PowerWorld.Test.HydroPlantTest2.pipe 2>&1)