Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.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: "" <> buildModelFMU(IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Humidifiers_Validation_SteamHumidifier_X",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Humidifiers_Validation_SteamHumidifier_X",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 0.001321/0.001321, allocations: 101.8 kB / 16.4 MB, free: 6.461 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00128/0.00128, allocations: 196 kB / 17.34 MB, free: 5.715 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.346/1.346, allocations: 222.9 MB / 241 MB, free: 15.09 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7868/0.7868, allocations: 126.7 MB / 417.9 MB, free: 12.29 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001833/0.001833, allocations: 71.8 kB / 0.5735 GB, free: 27 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1351/0.1369, allocations: 78.86 MB / 0.6505 GB, free: 3.625 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X): time 0.5129/0.6499, allocations: 199 MB / 0.8449 GB, free: 7.676 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.006628/0.6565, allocations: 3.741 MB / 0.8485 GB, free: 4.656 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007589/0.6573, allocations: 26.91 kB / 0.8485 GB, free: 4.645 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.001156/0.6585, allocations: 433.1 kB / 0.849 GB, free: 4.312 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.003165/0.6617, allocations: 1.242 MB / 0.8502 GB, free: 3.371 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.002028/0.6637, allocations: 0.7505 MB / 0.8509 GB, free: 2.82 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.001933/0.6657, allocations: 1.347 MB / 0.8522 GB, free: 2.039 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0007134/0.6664, allocations: 498.2 kB / 0.8527 GB, free: 1.746 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002865/0.6693, allocations: 1.117 MB / 0.8538 GB, free: 1.051 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0007058/0.67, allocations: 444 kB / 0.8542 GB, free: 0.8047 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 6.992e-05/0.6701, allocations: 46.97 kB / 0.8543 GB, free: 0.8008 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002138/0.6722, allocations: 1.185 MB / 0.8554 GB, free: 144 kB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 0.0002179/0.6725, allocations: 197.9 kB / 0.8556 GB, free: 8 kB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.0004087/0.6729, allocations: 324.1 kB / 0.8559 GB, free: 15.8 MB / 0.6231 GB Notification: Performance of NFConvertDAE.convert: time 0.002191/0.6751, allocations: 1.197 MB / 0.8571 GB, free: 15.05 MB / 0.6231 GB Notification: Performance of FrontEnd - DAE generated: time 4.268e-06/0.6751, allocations: 0 / 0.8571 GB, free: 15.05 MB / 0.6231 GB Notification: Performance of FrontEnd: time 1.513e-06/0.6751, allocations: 2.594 kB / 0.8571 GB, free: 15.05 MB / 0.6231 GB Notification: Performance of Transformations before backend: time 1.031e-05/0.6751, allocations: 0 / 0.8571 GB, free: 15.05 MB / 0.6231 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 98 * Number of variables: 98 Notification: Performance of Generate backend data structure: time 0.002063/0.6772, allocations: 1.08 MB / 0.8581 GB, free: 14.15 MB / 0.6231 GB Notification: Performance of prepare preOptimizeDAE: time 3.754e-05/0.6772, allocations: 10.09 kB / 0.8581 GB, free: 14.15 MB / 0.6231 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 9.072e-05/0.6773, allocations: 75.47 kB / 0.8582 GB, free: 14.08 MB / 0.6231 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001208/0.6786, allocations: 221.3 kB / 0.8584 GB, free: 13.98 MB / 0.6231 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008635/0.6794, allocations: 0.5771 MB / 0.859 GB, free: 13.49 MB / 0.6231 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.05e-05/0.6795, allocations: 28.34 kB / 0.859 GB, free: 13.48 MB / 0.6231 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.8e-05/0.6795, allocations: 39.66 kB / 0.8591 GB, free: 13.47 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001006/0.6805, allocations: 0.5372 MB / 0.8596 GB, free: 13.07 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.395e-05/0.6806, allocations: 0 / 0.8596 GB, free: 13.07 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.795e-05/0.6806, allocations: 19.98 kB / 0.8596 GB, free: 13.05 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.201e-05/0.6807, allocations: 20.94 kB / 0.8596 GB, free: 13.03 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001158/0.6818, allocations: 0.5036 MB / 0.8601 GB, free: 12.52 MB / 0.6231 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 preOpt removeSimpleEquations (simulation): time 0.003466/0.6853, allocations: 2.232 MB / 0.8623 GB, free: 10.11 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007738/0.6861, allocations: 349.1 kB / 0.8626 GB, free: 9.738 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002302/0.6863, allocations: 144.7 kB / 0.8628 GB, free: 9.594 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001378/0.6877, allocations: 0.8377 MB / 0.8636 GB, free: 8.59 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003323/0.6881, allocations: 196.9 kB / 0.8638 GB, free: 8.379 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=26): time 2.084e-06/0.6881, allocations: 0 / 0.8638 GB, free: 8.379 MB / 0.6231 GB Notification: Performance of matching and sorting (n=26): time 0.00101/0.6891, allocations: 440.4 kB / 0.8642 GB, free: 7.945 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.732e-05/0.6892, allocations: 85.11 kB / 0.8643 GB, free: 7.844 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009225/0.6901, allocations: 0.6485 MB / 0.8649 GB, free: 7.184 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 3.765e-05/0.6901, allocations: 33.7 kB / 0.8649 GB, free: 7.145 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002658/0.6904, allocations: 324.2 kB / 0.8652 GB, free: 6.824 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 8.405e-05/0.6905, allocations: 95.2 kB / 0.8653 GB, free: 6.73 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001505/0.6907, allocations: 85.62 kB / 0.8654 GB, free: 6.641 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001849/0.6909, allocations: 370.7 kB / 0.8658 GB, free: 6.27 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003841/0.6912, allocations: 136.8 kB / 0.8659 GB, free: 6.133 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004772/0.6917, allocations: 277 kB / 0.8662 GB, free: 5.801 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006627/0.6924, allocations: 380 kB / 0.8665 GB, free: 5.375 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.936e-06/0.6924, allocations: 0 / 0.8665 GB, free: 5.375 MB / 0.6231 GB Notification: Performance of matching and sorting (n=43) (initialization): time 0.001026/0.6935, allocations: 486 kB / 0.867 GB, free: 4.895 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 1.626e-05/0.6935, allocations: 4.469 kB / 0.867 GB, free: 4.891 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.987e-06/0.6935, allocations: 8 kB / 0.867 GB, free: 4.883 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.869e-05/0.6935, allocations: 8 kB / 0.867 GB, free: 4.875 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003947/0.6939, allocations: 80.77 kB / 0.8671 GB, free: 4.797 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.424e-05/0.6939, allocations: 11.94 kB / 0.8671 GB, free: 4.785 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005805/0.6945, allocations: 91.45 kB / 0.8672 GB, free: 4.695 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.078e-05/0.6946, allocations: 16 kB / 0.8672 GB, free: 4.68 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005471/0.6951, allocations: 300 kB / 0.8675 GB, free: 4.383 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004762/0.6956, allocations: 277.7 kB / 0.8677 GB, free: 4.051 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0006525/0.6963, allocations: 385 kB / 0.8681 GB, free: 3.621 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.084e-06/0.6963, allocations: 3.938 kB / 0.8681 GB, free: 3.617 MB / 0.6231 GB Notification: Performance of matching and sorting (n=43) (initialization_lambda0): time 0.0009814/0.6973, allocations: 473.5 kB / 0.8686 GB, free: 3.148 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 1.381e-05/0.6973, allocations: 8 kB / 0.8686 GB, free: 3.141 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.13e-06/0.6973, allocations: 4.406 kB / 0.8686 GB, free: 3.137 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.663e-06/0.6973, allocations: 8 kB / 0.8686 GB, free: 3.129 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003828/0.6977, allocations: 90.2 kB / 0.8687 GB, free: 3.043 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.095e-06/0.6977, allocations: 7.938 kB / 0.8687 GB, free: 3.035 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005453/0.6983, allocations: 67.8 kB / 0.8687 GB, free: 2.969 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.888e-05/0.6983, allocations: 19.98 kB / 0.8688 GB, free: 2.949 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 18 * Number of states: 0 () * Number of discrete variables: 5 ($PRE.XSet.nextTimeEvent,$whenCondition1,XSet.nextTimeEventScaled,$PRE.XSet.nextTimeEventScaled,XSet.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (43): * Single equations (assignments): 43 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0001681/0.6985, allocations: 208.1 kB / 0.869 GB, free: 2.738 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.487e-05/0.6986, allocations: 63.58 kB / 0.869 GB, free: 2.676 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006316/0.6992, allocations: 320.9 kB / 0.8693 GB, free: 2.348 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.324e-06/0.6993, allocations: 4 kB / 0.8693 GB, free: 2.344 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.571e-06/0.6993, allocations: 0 / 0.8693 GB, free: 2.344 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.765e-06/0.6993, allocations: 4.125 kB / 0.8693 GB, free: 2.34 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00151/0.7008, allocations: 1.094 MB / 0.8704 GB, free: 1.16 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.915e-06/0.7008, allocations: 0 / 0.8704 GB, free: 1.16 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001731/0.701, allocations: 43.92 kB / 0.8705 GB, free: 1.117 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 7.103e-06/0.701, allocations: 7.984 kB / 0.8705 GB, free: 1.109 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.025e-05/0.701, allocations: 5.125 kB / 0.8705 GB, free: 1.105 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.348e-06/0.701, allocations: 8.312 kB / 0.8705 GB, free: 1.098 MB / 0.6231 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.787e-06/0.701, allocations: 4 kB / 0.8705 GB, free: 1.094 MB / 0.6231 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005865/0.7016, allocations: 486.2 kB / 0.8709 GB, free: 0.5742 MB / 0.6231 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001749/0.7018, allocations: 168.6 kB / 0.8711 GB, free: 400 kB / 0.6231 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.029e-05/0.7019, allocations: 4 kB / 0.8711 GB, free: 396 kB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003004/0.7022, allocations: 23.98 kB / 0.8711 GB, free: 372 kB / 0.6231 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.882e-05/0.7023, allocations: 23.86 kB / 0.8711 GB, free: 348 kB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.156e-05/0.7023, allocations: 11.98 kB / 0.8712 GB, free: 336 kB / 0.6231 GB Notification: Performance of sorting global known variables: time 0.0006836/0.703, allocations: 483 kB / 0.8716 GB, free: 15.86 MB / 0.6387 GB Notification: Performance of sort global known variables: time 1.6e-07/0.703, allocations: 0 / 0.8716 GB, free: 15.86 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.0008469/0.7038, allocations: 267.5 kB / 0.8719 GB, free: 15.6 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,XSet.nextTimeEvent,XSet.nextTimeEventScaled) * Number of discrete states: 2 (XSet.nextTimeEvent,XSet.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (25): * Single equations (assignments): 23 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.002487/0.7063, allocations: 1.415 MB / 0.8733 GB, free: 14.29 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.001172/0.7075, allocations: 0.4989 MB / 0.8737 GB, free: 13.79 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 2.955e-06/0.7075, allocations: 0 / 0.8737 GB, free: 13.79 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0002204/0.7078, allocations: 131.8 kB / 0.8739 GB, free: 13.66 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001256/0.709, allocations: 278.4 kB / 0.8741 GB, free: 13.41 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00676/0.7158, allocations: 4.674 MB / 0.8787 GB, free: 8.48 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005449/0.7164, allocations: 0.8899 MB / 0.8796 GB, free: 7.562 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.0005981/0.717, allocations: 176.8 kB / 0.8797 GB, free: 7.391 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002807/0.7173, allocations: 191.4 kB / 0.8799 GB, free: 7.203 MB / 0.6387 GB Notification: Performance of SimCode: time 6.51e-07/0.7173, allocations: 8 kB / 0.8799 GB, free: 7.195 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.0408/0.7581, allocations: 15.82 MB / 0.8954 GB, free: 7.578 MB / 0.6544 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.982/9.741, allocations: 14.48 kB / 0.8954 GB, free: 7.57 MB / 0.6544 GB (rm -f IBPSA_latest_IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.sim & python3 -m fmpy simulate --output-file IBPSA_latest_IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X_res.csv --start-time 0 --stop-time 1080 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.432 IBPSA_latest_IBPSA_Fluid_Humidifiers_Validation_SteamHumidifier_X.fmu > IBPSA_latest_IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe 2>&1)