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 0.001455/0.001456, allocations: 104.5 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 0.001658/0.001659, allocations: 193.2 kB / 17.34 MB, free: 5.719 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.332/1.332, allocations: 222.9 MB / 241 MB, free: 15.06 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7242/0.7242, allocations: 115.3 MB / 406.5 MB, free: 6.125 MB / 318.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001176/0.001176, allocations: 59.66 kB / 0.5572 GB, free: 32.42 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.145/0.1462, allocations: 76.18 MB / 0.6316 GB, free: 4.895 MB / 478.1 MB Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X): time 0.5522/0.6984, allocations: 198.9 MB / 0.8259 GB, free: 8.281 MB / 0.5919 GB Notification: Performance of NFInst.instExpressions: time 0.006282/0.7048, allocations: 3.751 MB / 0.8295 GB, free: 6.484 MB / 0.5919 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001039/0.7059, allocations: 26.66 kB / 0.8295 GB, free: 6.473 MB / 0.5919 GB Notification: Performance of NFTyping.typeComponents: time 0.001348/0.7073, allocations: 428.7 kB / 0.83 GB, free: 6.168 MB / 0.5919 GB Notification: Performance of NFTyping.typeBindings: time 0.003585/0.7109, allocations: 1.251 MB / 0.8312 GB, free: 5.406 MB / 0.5919 GB Notification: Performance of NFTyping.typeClassSections: time 0.00219/0.7131, allocations: 0.7568 MB / 0.8319 GB, free: 4.926 MB / 0.5919 GB Notification: Performance of NFFlatten.flatten: time 0.002106/0.7152, allocations: 1.348 MB / 0.8332 GB, free: 4.195 MB / 0.5919 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008866/0.7161, allocations: 496 kB / 0.8337 GB, free: 3.906 MB / 0.5919 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002733/0.7189, allocations: 0.9902 MB / 0.8347 GB, free: 3.383 MB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008375/0.7197, allocations: 462.9 kB / 0.8351 GB, free: 3.156 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.0001203/0.7198, allocations: 42 kB / 0.8352 GB, free: 3.156 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002459/0.7223, allocations: 1.189 MB / 0.8363 GB, free: 2.609 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.0002886/0.7226, allocations: 197.6 kB / 0.8365 GB, free: 2.48 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.0005507/0.7232, allocations: 325.6 kB / 0.8368 GB, free: 2.273 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.002626/0.7258, allocations: 1.201 MB / 0.838 GB, free: 1.59 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 5.11e-06/0.7258, allocations: 0 / 0.838 GB, free: 1.59 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.643e-06/0.7258, allocations: 0 / 0.838 GB, free: 1.59 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 2.561e-05/0.7259, allocations: 4 kB / 0.838 GB, free: 1.586 MB / 0.5919 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 0.002499/0.7284, allocations: 1.048 MB / 0.839 GB, free: 0.7305 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 4.783e-05/0.7284, allocations: 9.781 kB / 0.839 GB, free: 0.7305 MB / 0.5919 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001103/0.7285, allocations: 79.36 kB / 0.8391 GB, free: 0.6562 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001345/0.7299, allocations: 216.7 kB / 0.8393 GB, free: 0.5586 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001042/0.731, allocations: 0.5631 MB / 0.8399 GB, free: 96 kB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.887e-05/0.731, allocations: 33.36 kB / 0.8399 GB, free: 84 kB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.391e-05/0.7311, allocations: 40.19 kB / 0.8399 GB, free: 72 kB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001083/0.7322, allocations: 0.5362 MB / 0.8404 GB, free: 15.73 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.859e-05/0.7322, allocations: 0 / 0.8404 GB, free: 15.73 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.548e-05/0.7323, allocations: 20.84 kB / 0.8405 GB, free: 15.71 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.273e-05/0.7323, allocations: 27.55 kB / 0.8405 GB, free: 15.7 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001169/0.7335, allocations: 0.504 MB / 0.841 GB, free: 15.46 MB / 0.6075 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 0.003543/0.737, allocations: 2.218 MB / 0.8432 GB, free: 13.54 MB / 0.6075 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007353/0.7378, allocations: 356.8 kB / 0.8435 GB, free: 13.3 MB / 0.6075 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002168/0.738, allocations: 140.9 kB / 0.8436 GB, free: 13.23 MB / 0.6075 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001285/0.7393, allocations: 0.8355 MB / 0.8444 GB, free: 12.32 MB / 0.6075 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003124/0.7396, allocations: 202.3 kB / 0.8446 GB, free: 12.17 MB / 0.6075 GB Notification: Performance of pre-optimization done (n=26): time 1.983e-06/0.7396, allocations: 0 / 0.8446 GB, free: 12.17 MB / 0.6075 GB Notification: Performance of matching and sorting (n=26): time 0.001024/0.7407, allocations: 439.5 kB / 0.8451 GB, free: 11.95 MB / 0.6075 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.139e-05/0.7408, allocations: 79.83 kB / 0.8451 GB, free: 11.86 MB / 0.6075 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009722/0.7417, allocations: 0.6573 MB / 0.8458 GB, free: 11.49 MB / 0.6075 GB Notification: Performance of collectPreVariables (initialization): time 3.686e-05/0.7418, allocations: 36.36 kB / 0.8458 GB, free: 11.45 MB / 0.6075 GB Notification: Performance of collectInitialEqns (initialization): time 0.000228/0.742, allocations: 315 kB / 0.8461 GB, free: 11.17 MB / 0.6075 GB Notification: Performance of collectInitialBindings (initialization): time 8.008e-05/0.7421, allocations: 94.11 kB / 0.8462 GB, free: 11.09 MB / 0.6075 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001375/0.7423, allocations: 78.12 kB / 0.8463 GB, free: 11.04 MB / 0.6075 GB Notification: Performance of setup shared object (initialization): time 0.0002183/0.7425, allocations: 370.3 kB / 0.8466 GB, free: 10.69 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003544/0.7429, allocations: 139.1 kB / 0.8468 GB, free: 10.62 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004421/0.7433, allocations: 274 kB / 0.847 GB, free: 10.38 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006145/0.7439, allocations: 394.8 kB / 0.8474 GB, free: 10.08 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.09e-06/0.7439, allocations: 3.938 kB / 0.8474 GB, free: 10.08 MB / 0.6075 GB Notification: Performance of matching and sorting (n=43) (initialization): time 0.001023/0.745, allocations: 480.4 kB / 0.8479 GB, free: 9.832 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 2.044e-05/0.745, allocations: 6.844 kB / 0.8479 GB, free: 9.832 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.018e-05/0.745, allocations: 2.781 kB / 0.8479 GB, free: 9.832 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.175e-05/0.745, allocations: 7.719 kB / 0.8479 GB, free: 9.832 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003869/0.7454, allocations: 85.23 kB / 0.848 GB, free: 9.812 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.26e-05/0.7455, allocations: 8.891 kB / 0.848 GB, free: 9.809 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005914/0.7461, allocations: 78.75 kB / 0.848 GB, free: 9.766 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.368e-05/0.7461, allocations: 23.42 kB / 0.8481 GB, free: 9.758 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0004828/0.7466, allocations: 293.2 kB / 0.8483 GB, free: 9.57 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004362/0.747, allocations: 282.5 kB / 0.8486 GB, free: 9.324 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005862/0.7476, allocations: 388 kB / 0.849 GB, free: 9.031 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 4.178e-06/0.7477, allocations: 2.844 kB / 0.849 GB, free: 9.031 MB / 0.6075 GB Notification: Performance of matching and sorting (n=43) (initialization_lambda0): time 0.0009551/0.7486, allocations: 473.5 kB / 0.8494 GB, free: 8.789 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 1.042e-05/0.7486, allocations: 5.344 kB / 0.8494 GB, free: 8.789 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.853e-06/0.7487, allocations: 5.062 kB / 0.8494 GB, free: 8.789 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.454e-06/0.7487, allocations: 4.938 kB / 0.8494 GB, free: 8.789 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003669/0.749, allocations: 89.41 kB / 0.8495 GB, free: 8.766 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.174e-05/0.7491, allocations: 12.8 kB / 0.8495 GB, free: 8.762 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005534/0.7496, allocations: 61.48 kB / 0.8496 GB, free: 8.73 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.792e-05/0.7497, allocations: 23.5 kB / 0.8496 GB, free: 8.723 MB / 0.6075 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 0.0001494/0.7498, allocations: 202.3 kB / 0.8498 GB, free: 8.527 MB / 0.6075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 9.23e-05/0.7499, allocations: 62.84 kB / 0.8499 GB, free: 8.492 MB / 0.6075 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005877/0.7505, allocations: 323.7 kB / 0.8502 GB, free: 8.289 MB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.202e-06/0.7505, allocations: 4 kB / 0.8502 GB, free: 8.285 MB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.813e-06/0.7505, allocations: 0 / 0.8502 GB, free: 8.285 MB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.04e-06/0.7506, allocations: 0 / 0.8502 GB, free: 8.285 MB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001596/0.7522, allocations: 1.09 MB / 0.8513 GB, free: 7.113 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.012e-05/0.7522, allocations: 4.312 kB / 0.8513 GB, free: 7.109 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001833/0.7524, allocations: 48.61 kB / 0.8513 GB, free: 7.062 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (simulation): time 5.32e-06/0.7524, allocations: 144 / 0.8513 GB, free: 7.062 MB / 0.6075 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.439e-05/0.7524, allocations: 12 kB / 0.8513 GB, free: 7.051 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 1.513e-05/0.7524, allocations: 7.938 kB / 0.8513 GB, free: 7.043 MB / 0.6075 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.069e-06/0.7525, allocations: 11.91 kB / 0.8513 GB, free: 7.031 MB / 0.6075 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006295/0.7531, allocations: 475.1 kB / 0.8518 GB, free: 6.52 MB / 0.6075 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000239/0.7533, allocations: 157.5 kB / 0.8519 GB, free: 6.348 MB / 0.6075 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.565e-05/0.7534, allocations: 12 kB / 0.852 GB, free: 6.336 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000327/0.7538, allocations: 11.98 kB / 0.852 GB, free: 6.324 MB / 0.6075 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.271e-05/0.7539, allocations: 27.91 kB / 0.852 GB, free: 6.297 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.24e-05/0.7539, allocations: 12 kB / 0.852 GB, free: 6.285 MB / 0.6075 GB Notification: Performance of sorting global known variables: time 0.0006875/0.7546, allocations: 479 kB / 0.8525 GB, free: 5.824 MB / 0.6075 GB Notification: Performance of sort global known variables: time 1.8e-07/0.7546, allocations: 3.938 kB / 0.8525 GB, free: 5.82 MB / 0.6075 GB Notification: Performance of remove unused functions: time 0.0009358/0.7555, allocations: 263.6 kB / 0.8527 GB, free: 5.562 MB / 0.6075 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 0.001933/0.7575, allocations: 1.427 MB / 0.8541 GB, free: 4.262 MB / 0.6075 GB Notification: Performance of simCode: created initialization part: time 0.001183/0.7587, allocations: 0.4964 MB / 0.8546 GB, free: 3.766 MB / 0.6075 GB Notification: Performance of simCode: created event and clocks part: time 6.312e-06/0.7587, allocations: 4 kB / 0.8546 GB, free: 3.762 MB / 0.6075 GB Notification: Performance of simCode: created simulation system equations: time 0.0002091/0.7589, allocations: 125.1 kB / 0.8547 GB, free: 3.641 MB / 0.6075 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001347/0.7603, allocations: 279.2 kB / 0.855 GB, free: 3.375 MB / 0.6075 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006754/0.767, allocations: 4.652 MB / 0.8595 GB, free: 14.49 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004573/0.7675, allocations: 0.8899 MB / 0.8604 GB, free: 13.57 MB / 0.6231 GB Notification: Performance of simCode: alias equations: time 0.0006246/0.7682, allocations: 176.8 kB / 0.8606 GB, free: 13.39 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002749/0.7684, allocations: 191.4 kB / 0.8607 GB, free: 13.21 MB / 0.6231 GB Notification: Performance of SimCode: time 9.21e-07/0.7684, allocations: 0 / 0.8607 GB, free: 13.21 MB / 0.6231 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.03835/0.8068, allocations: 16.05 MB / 0.8764 GB, free: 13.36 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.45/9.256, allocations: 3.5 kB / 0.8764 GB, free: 13.36 MB / 0.6387 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 & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IBPSA_latest_IBPSA_Fluid_Humidifiers_Validation_SteamHumidifier_X_fmu --startTime=0 --stopTime=1080 --timeout=50 --tolerance=1e-06 IBPSA_latest_IBPSA_Fluid_Humidifiers_Validation_SteamHumidifier_X.fmu > IBPSA_latest_IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe 2>&1)