Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_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/BuildSysPro 3.6.0/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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: translateModel(BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_X,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_X") translateModel(BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_X,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_X") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.006815/0.006815, allocations: 101.9 kB / 15.73 MB, free: 6.484 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001305/0.001305, allocations: 190.1 kB / 16.67 MB, free: 6.379 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.316/1.316, allocations: 222.9 MB / 240.4 MB, free: 4.301 MB / 190.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/package.mo): time 0.9855/0.9855, allocations: 143 MB / 433.6 MB, free: 11.45 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001451/0.001451, allocations: 67.89 kB / 0.5955 GB, free: 8.387 MB / 0.4981 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4667/0.4682, allocations: 82.02 MB / 0.6756 GB, free: 1.434 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_X): time 0.1963/0.6645, allocations: 180.4 MB / 0.8518 GB, free: 1.406 MB / 0.67 GB Notification: Performance of NFInst.instExpressions: time 0.006319/0.6709, allocations: 3.753 MB / 0.8554 GB, free: 13.64 MB / 0.6856 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006066/0.6715, allocations: 31.81 kB / 0.8555 GB, free: 13.61 MB / 0.6856 GB Notification: Performance of NFTyping.typeComponents: time 0.001054/0.6725, allocations: 425.6 kB / 0.8559 GB, free: 13.2 MB / 0.6856 GB Notification: Performance of NFTyping.typeBindings: time 0.002962/0.6756, allocations: 1.256 MB / 0.8571 GB, free: 11.93 MB / 0.6856 GB Notification: Performance of NFTyping.typeClassSections: time 0.00183/0.6774, allocations: 0.7432 MB / 0.8578 GB, free: 11.2 MB / 0.6856 GB Notification: Performance of NFFlatten.flatten: time 0.00183/0.6793, allocations: 1.352 MB / 0.8591 GB, free: 9.836 MB / 0.6856 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0006911/0.68, allocations: 484.7 kB / 0.8596 GB, free: 9.359 MB / 0.6856 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002455/0.6824, allocations: 1 MB / 0.8606 GB, free: 8.359 MB / 0.6856 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0006113/0.6831, allocations: 462.1 kB / 0.861 GB, free: 7.906 MB / 0.6856 GB Notification: Performance of NFPackage.collectConstants: time 6.501e-05/0.6831, allocations: 40 kB / 0.861 GB, free: 7.867 MB / 0.6856 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002011/0.6851, allocations: 1.189 MB / 0.8622 GB, free: 6.676 MB / 0.6856 GB Notification: Performance of NFScalarize.scalarize: time 0.0002186/0.6854, allocations: 195.4 kB / 0.8624 GB, free: 6.484 MB / 0.6856 GB Notification: Performance of NFVerifyModel.verify: time 0.0003177/0.6857, allocations: 326.3 kB / 0.8627 GB, free: 6.164 MB / 0.6856 GB Notification: Performance of NFConvertDAE.convert: time 0.001612/0.6873, allocations: 1.231 MB / 0.8639 GB, free: 4.93 MB / 0.6856 GB Notification: Performance of FrontEnd - DAE generated: time 4.198e-06/0.6873, allocations: 0 / 0.8639 GB, free: 4.93 MB / 0.6856 GB Notification: Performance of FrontEnd: time 1.844e-06/0.6873, allocations: 0 / 0.8639 GB, free: 4.93 MB / 0.6856 GB Notification: Performance of Transformations before backend: time 8.666e-06/0.6874, allocations: 0 / 0.8639 GB, free: 4.93 MB / 0.6856 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 97 * Number of variables: 97 Notification: Performance of Generate backend data structure: time 0.001935/0.6893, allocations: 1.044 MB / 0.8649 GB, free: 3.836 MB / 0.6856 GB Notification: Performance of prepare preOptimizeDAE: time 3.688e-05/0.6893, allocations: 12.03 kB / 0.8649 GB, free: 3.824 MB / 0.6856 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001243/0.6906, allocations: 222.9 kB / 0.8652 GB, free: 3.605 MB / 0.6856 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008768/0.6915, allocations: 0.5692 MB / 0.8657 GB, free: 2.996 MB / 0.6856 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.989e-05/0.6915, allocations: 29 kB / 0.8657 GB, free: 2.965 MB / 0.6856 GB Notification: Performance of preOpt expandDerOperator (simulation): time 6.184e-05/0.6916, allocations: 40 kB / 0.8658 GB, free: 2.926 MB / 0.6856 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001012/0.6926, allocations: 0.5349 MB / 0.8663 GB, free: 2.371 MB / 0.6856 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.286e-05/0.6926, allocations: 0 / 0.8663 GB, free: 2.371 MB / 0.6856 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.344e-05/0.6927, allocations: 20 kB / 0.8663 GB, free: 2.352 MB / 0.6856 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.777e-05/0.6927, allocations: 17 kB / 0.8663 GB, free: 2.336 MB / 0.6856 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001127/0.6938, allocations: 0.5074 MB / 0.8668 GB, free: 1.828 MB / 0.6856 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 0.3635/1.057, allocations: 2.199 MB / 0.869 GB, free: 188.7 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001055/1.058, allocations: 346.4 kB / 0.8693 GB, free: 188.6 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003047/1.059, allocations: 150 kB / 0.8694 GB, free: 188.6 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001391/1.06, allocations: 0.8377 MB / 0.8703 GB, free: 187.8 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004252/1.061, allocations: 194.5 kB / 0.8705 GB, free: 187.7 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=26): time 3.436e-06/1.061, allocations: 0 / 0.8705 GB, free: 187.7 MB / 0.6856 GB Notification: Performance of matching and sorting (n=26): time 0.001144/1.062, allocations: 432 kB / 0.8709 GB, free: 187.5 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.049e-05/1.062, allocations: 84.42 kB / 0.8709 GB, free: 187.4 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001069/1.063, allocations: 0.6548 MB / 0.8716 GB, free: 187.2 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 3.651e-05/1.063, allocations: 32.14 kB / 0.8716 GB, free: 187.1 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.000212/1.063, allocations: 322.9 kB / 0.8719 GB, free: 186.9 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 6.521e-05/1.063, allocations: 93.44 kB / 0.872 GB, free: 186.9 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001408/1.063, allocations: 78.86 kB / 0.8721 GB, free: 186.8 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 9.749e-05/1.063, allocations: 372.7 kB / 0.8724 GB, free: 186.5 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003716/1.064, allocations: 133.5 kB / 0.8726 GB, free: 186.4 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004348/1.064, allocations: 288 kB / 0.8728 GB, free: 186.2 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006242/1.065, allocations: 387.4 kB / 0.8732 GB, free: 186 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 6.512e-06/1.065, allocations: 1.938 kB / 0.8732 GB, free: 186 MB / 0.6856 GB Notification: Performance of matching and sorting (n=43) (initialization): time 0.001034/1.066, allocations: 478.7 kB / 0.8737 GB, free: 185.8 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 1.975e-05/1.066, allocations: 6.812 kB / 0.8737 GB, free: 185.8 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.081e-05/1.066, allocations: 4.75 kB / 0.8737 GB, free: 185.8 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.29e-05/1.066, allocations: 6.375 kB / 0.8737 GB, free: 185.8 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004211/1.066, allocations: 85.53 kB / 0.8738 GB, free: 185.8 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.442e-05/1.067, allocations: 11.03 kB / 0.8738 GB, free: 185.8 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005741/1.067, allocations: 79.55 kB / 0.8739 GB, free: 185.8 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.469e-05/1.067, allocations: 20.48 kB / 0.8739 GB, free: 185.8 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005076/1.068, allocations: 295.1 kB / 0.8742 GB, free: 185.6 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004236/1.068, allocations: 275.7 kB / 0.8744 GB, free: 185.4 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0006083/1.069, allocations: 386.2 kB / 0.8748 GB, free: 185.2 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.915e-06/1.069, allocations: 1 kB / 0.8748 GB, free: 185.2 MB / 0.6856 GB Notification: Performance of matching and sorting (n=43) (initialization_lambda0): time 0.001026/1.07, allocations: 477.2 kB / 0.8752 GB, free: 185 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 1.623e-05/1.07, allocations: 7.188 kB / 0.8753 GB, free: 185 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.868e-06/1.07, allocations: 4.766 kB / 0.8753 GB, free: 185 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.197e-05/1.07, allocations: 6.156 kB / 0.8753 GB, free: 185 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004133/1.07, allocations: 88.67 kB / 0.8753 GB, free: 185 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.437e-06/1.07, allocations: 7.062 kB / 0.8754 GB, free: 185 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005455/1.071, allocations: 65.41 kB / 0.8754 GB, free: 184.9 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.086e-05/1.071, allocations: 23.31 kB / 0.8754 GB, free: 184.9 MB / 0.6856 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 0.000131/1.071, allocations: 205.7 kB / 0.8756 GB, free: 184.7 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.589e-05/1.071, allocations: 60.77 kB / 0.8757 GB, free: 184.7 MB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006093/1.072, allocations: 326.3 kB / 0.876 GB, free: 184.6 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.362e-06/1.072, allocations: 5.844 kB / 0.876 GB, free: 184.6 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.254e-06/1.072, allocations: 0.8438 kB / 0.876 GB, free: 184.6 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.272e-06/1.072, allocations: 6.328 kB / 0.876 GB, free: 184.6 MB / 0.6856 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001595/1.073, allocations: 1.085 MB / 0.8771 GB, free: 183.9 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.881e-06/1.073, allocations: 6.344 kB / 0.8771 GB, free: 183.9 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000187/1.074, allocations: 41.56 kB / 0.8771 GB, free: 183.9 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.142e-06/1.074, allocations: 4.328 kB / 0.8771 GB, free: 183.9 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.384e-05/1.074, allocations: 5.469 kB / 0.8771 GB, free: 183.9 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 6.492e-06/1.074, allocations: 4.594 kB / 0.8771 GB, free: 183.9 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.783e-06/1.074, allocations: 8.219 kB / 0.8771 GB, free: 183.8 MB / 0.6856 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005824/1.074, allocations: 477.6 kB / 0.8776 GB, free: 183.5 MB / 0.6856 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001806/1.074, allocations: 161.7 kB / 0.8778 GB, free: 183.4 MB / 0.6856 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.385e-05/1.074, allocations: 10.73 kB / 0.8778 GB, free: 183.4 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003221/1.075, allocations: 15.91 kB / 0.8778 GB, free: 183.4 MB / 0.6856 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.266e-05/1.075, allocations: 28.12 kB / 0.8778 GB, free: 183.4 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.738e-05/1.075, allocations: 15.75 kB / 0.8778 GB, free: 183.4 MB / 0.6856 GB Notification: Performance of sorting global known variables: time 0.0007014/1.076, allocations: 476 kB / 0.8783 GB, free: 183.2 MB / 0.6856 GB Notification: Performance of sort global known variables: time 2.21e-07/1.076, allocations: 0.8438 kB / 0.8783 GB, free: 183.2 MB / 0.6856 GB Notification: Performance of remove unused functions: time 0.001003/1.077, allocations: 260.2 kB / 0.8785 GB, free: 183.1 MB / 0.6856 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 0.00126/1.078, allocations: 0.5243 MB / 0.879 GB, free: 182.9 MB / 0.6856 GB Notification: Performance of simCode: created initialization part: time 0.001381/1.079, allocations: 0.5098 MB / 0.8795 GB, free: 182.8 MB / 0.6856 GB Notification: Performance of simCode: created event and clocks part: time 2.936e-06/1.079, allocations: 0.5625 kB / 0.8795 GB, free: 182.8 MB / 0.6856 GB Notification: Performance of simCode: created simulation system equations: time 0.0002531/1.08, allocations: 124 kB / 0.8797 GB, free: 182.8 MB / 0.6856 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001388/1.081, allocations: 282.4 kB / 0.8799 GB, free: 182.7 MB / 0.6856 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001896/1.083, allocations: 1.013 MB / 0.8809 GB, free: 182.1 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003326/1.083, allocations: 0.8975 MB / 0.8818 GB, free: 181.4 MB / 0.6856 GB Notification: Performance of simCode: alias equations: time 0.0005883/1.084, allocations: 173 kB / 0.882 GB, free: 181.3 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001369/1.084, allocations: 42.94 kB / 0.882 GB, free: 181.3 MB / 0.6856 GB Notification: Performance of SimCode: time 4.41e-07/1.084, allocations: 7.938 kB / 0.882 GB, free: 181.3 MB / 0.6856 GB Notification: Performance of Templates: time 0.01997/1.104, allocations: 10.66 MB / 0.8924 GB, free: 176.3 MB / 0.6856 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_X.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_X.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_X.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_X.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_X.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_X -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SprayAirWasher_X.pipe 2>&1)