Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildSysPro_BuildSysPro.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/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: "" <> buildModelFMU(BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X,fileNamePrefix="BuildSysPro_BuildSysPro_IBPSA_Fluid_Humidifiers_Validation_SteamHumidifier_X",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X,fileNamePrefix="BuildSysPro_BuildSysPro_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 0.000812/0.0008121, allocations: 97.64 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.004553/0.004553, allocations: 169.1 kB / 16.26 MB, free: 6.328 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.165/1.165, allocations: 223.3 MB / 240.3 MB, free: 5.363 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 0.9247/0.9247, allocations: 143.2 MB / 434.6 MB, free: 13.61 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0002879/0.0002879, allocations: 12 kB / 0.5165 GB, free: 11.04 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1539/0.1542, allocations: 83.42 MB / 0.598 GB, free: 7.586 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X): time 0.4615/0.6157, allocations: 194.2 MB / 0.7876 GB, free: 9.688 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.006244/0.622, allocations: 3.738 MB / 0.7913 GB, free: 5.938 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0007585/0.6228, allocations: 23.81 kB / 0.7913 GB, free: 5.914 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.001085/0.6239, allocations: 378.3 kB / 0.7917 GB, free: 5.543 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.002909/0.6268, allocations: 1.159 MB / 0.7928 GB, free: 4.379 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.001703/0.6285, allocations: 0.6692 MB / 0.7935 GB, free: 3.715 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.001894/0.6304, allocations: 1.832 MB / 0.7953 GB, free: 1.879 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0005729/0.631, allocations: 428.2 kB / 0.7957 GB, free: 1.465 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002139/0.6332, allocations: 0.8883 MB / 0.7965 GB, free: 0.5781 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0005757/0.6338, allocations: 458.1 kB / 0.797 GB, free: 132 kB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 5.087e-05/0.6338, allocations: 20 kB / 0.797 GB, free: 112 kB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002026/0.6358, allocations: 1.325 MB / 0.7983 GB, free: 14.78 MB / 0.6231 GB Notification: Performance of NFScalarize.scalarize: time 0.0001764/0.636, allocations: 179.2 kB / 0.7985 GB, free: 14.61 MB / 0.6231 GB Notification: Performance of NFVerifyModel.verify: time 0.0002912/0.6363, allocations: 328 kB / 0.7988 GB, free: 14.28 MB / 0.6231 GB Notification: Performance of NFConvertDAE.convert: time 0.001394/0.6377, allocations: 1.234 MB / 0.8 GB, free: 13.04 MB / 0.6231 GB Notification: Performance of FrontEnd - DAE generated: time 3.807e-06/0.6378, allocations: 0 / 0.8 GB, free: 13.04 MB / 0.6231 GB Notification: Performance of FrontEnd: time 2.164e-06/0.6378, allocations: 0 / 0.8 GB, free: 13.04 MB / 0.6231 GB Notification: Performance of Transformations before backend: time 7.564e-06/0.6378, allocations: 0 / 0.8 GB, free: 13.04 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 0.002145/0.6399, allocations: 0.9388 MB / 0.8009 GB, free: 12.05 MB / 0.6231 GB Notification: Performance of prepare preOptimizeDAE: time 4.873e-05/0.64, allocations: 8.031 kB / 0.8009 GB, free: 12.05 MB / 0.6231 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001178/0.6401, allocations: 84.14 kB / 0.801 GB, free: 11.96 MB / 0.6231 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001338/0.6414, allocations: 231 kB / 0.8012 GB, free: 11.73 MB / 0.6231 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008592/0.6423, allocations: 0.5342 MB / 0.8017 GB, free: 11.16 MB / 0.6231 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.188e-05/0.6424, allocations: 33 kB / 0.8018 GB, free: 11.12 MB / 0.6231 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.155e-05/0.6424, allocations: 36 kB / 0.8018 GB, free: 11.09 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001011/0.6435, allocations: 0.5427 MB / 0.8023 GB, free: 10.53 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.217e-05/0.6435, allocations: 0 / 0.8023 GB, free: 10.53 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.519e-05/0.6435, allocations: 23.98 kB / 0.8023 GB, free: 10.5 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.055e-05/0.6436, allocations: 17 kB / 0.8024 GB, free: 10.49 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001122/0.6447, allocations: 0.5114 MB / 0.8029 GB, free: 9.973 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 0.003058/0.6478, allocations: 2.242 MB / 0.805 GB, free: 7.543 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007025/0.6485, allocations: 347.8 kB / 0.8054 GB, free: 7.176 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002191/0.6487, allocations: 136.8 kB / 0.8055 GB, free: 7.039 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001285/0.65, allocations: 0.8689 MB / 0.8064 GB, free: 6.004 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003146/0.6503, allocations: 196.9 kB / 0.8065 GB, free: 5.793 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=26): time 1.593e-06/0.6503, allocations: 0 / 0.8065 GB, free: 5.793 MB / 0.6231 GB Notification: Performance of matching and sorting (n=26): time 0.0009453/0.6513, allocations: 440.8 kB / 0.807 GB, free: 5.359 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.665e-05/0.6514, allocations: 85.11 kB / 0.807 GB, free: 5.258 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008209/0.6522, allocations: 0.6524 MB / 0.8077 GB, free: 4.598 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 3.092e-05/0.6522, allocations: 33.7 kB / 0.8077 GB, free: 4.559 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002267/0.6525, allocations: 319.7 kB / 0.808 GB, free: 4.242 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 7.252e-05/0.6525, allocations: 90.75 kB / 0.8081 GB, free: 4.152 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 5.32e-05/0.6526, allocations: 33.7 kB / 0.8081 GB, free: 4.113 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001344/0.6527, allocations: 366.8 kB / 0.8085 GB, free: 3.746 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003334/0.6531, allocations: 131.9 kB / 0.8086 GB, free: 3.617 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004431/0.6535, allocations: 280.9 kB / 0.8089 GB, free: 3.281 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006257/0.6542, allocations: 383.1 kB / 0.8092 GB, free: 2.852 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.728e-06/0.6542, allocations: 4 kB / 0.8092 GB, free: 2.848 MB / 0.6231 GB Notification: Performance of matching and sorting (n=43) (initialization): time 0.0009259/0.6551, allocations: 475.7 kB / 0.8097 GB, free: 2.379 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001293/0.6553, allocations: 207.7 kB / 0.8099 GB, free: 2.117 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.889e-06/0.6553, allocations: 4.75 kB / 0.8099 GB, free: 2.113 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.022e-05/0.6553, allocations: 11.92 kB / 0.8099 GB, free: 2.102 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003877/0.6557, allocations: 87.89 kB / 0.81 GB, free: 2.016 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.325e-05/0.6557, allocations: 9.266 kB / 0.81 GB, free: 2.008 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006022/0.6563, allocations: 88.25 kB / 0.8101 GB, free: 1.922 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.028e-05/0.6564, allocations: 19.98 kB / 0.8101 GB, free: 1.902 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 6.602e-06/0.6564, allocations: 4 kB / 0.8101 GB, free: 1.898 MB / 0.6231 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0008246/0.6572, allocations: 388.8 kB / 0.8105 GB, free: 1.52 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.259e-06/0.6572, allocations: 4 kB / 0.8105 GB, free: 1.516 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 7.734e-06/0.6572, allocations: 11.98 kB / 0.8105 GB, free: 1.504 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003809/0.6576, allocations: 83.83 kB / 0.8106 GB, free: 1.422 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.347e-06/0.6576, allocations: 8 kB / 0.8106 GB, free: 1.414 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004562/0.6581, allocations: 75.66 kB / 0.8107 GB, free: 1.34 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.378e-05/0.6581, allocations: 19.98 kB / 0.8107 GB, free: 1.32 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 0.0002815/0.6584, allocations: 290 kB / 0.811 GB, free: 1.027 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 7.03e-05/0.6585, allocations: 63.25 kB / 0.811 GB, free: 0.9648 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005689/0.6591, allocations: 319.2 kB / 0.8113 GB, free: 0.6367 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.779e-06/0.6591, allocations: 0 / 0.8113 GB, free: 0.6367 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.238e-06/0.6591, allocations: 4 kB / 0.8113 GB, free: 0.6328 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.859e-06/0.6591, allocations: 0 / 0.8113 GB, free: 0.6328 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001394/0.6605, allocations: 1.092 MB / 0.8124 GB, free: 15.45 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.719e-06/0.6605, allocations: 4 kB / 0.8124 GB, free: 15.45 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001691/0.6607, allocations: 36.67 kB / 0.8124 GB, free: 15.41 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 4.999e-06/0.6607, allocations: 4 kB / 0.8124 GB, free: 15.41 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.263e-05/0.6607, allocations: 15.94 kB / 0.8125 GB, free: 15.39 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.871e-06/0.6608, allocations: 8.047 kB / 0.8125 GB, free: 15.39 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 7.114e-06/0.6608, allocations: 8.531 kB / 0.8125 GB, free: 15.38 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005373/0.6613, allocations: 481.7 kB / 0.8129 GB, free: 14.86 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.000177/0.6615, allocations: 168.2 kB / 0.8131 GB, free: 14.68 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.826e-05/0.6616, allocations: 8 kB / 0.8131 GB, free: 14.67 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003542/0.6619, allocations: 35.81 kB / 0.8131 GB, free: 14.64 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.797e-05/0.662, allocations: 19.92 kB / 0.8131 GB, free: 14.62 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.339e-05/0.662, allocations: 16 kB / 0.8132 GB, free: 14.6 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.0006231/0.6627, allocations: 475 kB / 0.8136 GB, free: 14.14 MB / 0.6387 GB Notification: Performance of sort global known variables: time 1.51e-07/0.6627, allocations: 0 / 0.8136 GB, free: 14.14 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.0008348/0.6635, allocations: 271.6 kB / 0.8139 GB, free: 13.88 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 0.001897/0.6654, allocations: 1.419 MB / 0.8153 GB, free: 12.6 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.001119/0.6666, allocations: 0.5004 MB / 0.8157 GB, free: 12.1 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 3.507e-06/0.6666, allocations: 0 / 0.8157 GB, free: 12.1 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0002175/0.6668, allocations: 130.8 kB / 0.8159 GB, free: 11.98 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001501/0.6683, allocations: 257.8 kB / 0.8161 GB, free: 11.73 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007267/0.6756, allocations: 4.962 MB / 0.821 GB, free: 6.539 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004724/0.6761, allocations: 0.8902 MB / 0.8218 GB, free: 5.621 MB / 0.6387 GB Notification: Performance of simCode: alias equations: time 0.0006976/0.6768, allocations: 175.6 kB / 0.822 GB, free: 5.449 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002843/0.6771, allocations: 199.4 kB / 0.8222 GB, free: 5.254 MB / 0.6387 GB Notification: Performance of SimCode: time 7.01e-07/0.6771, allocations: 0 / 0.8222 GB, free: 5.254 MB / 0.6387 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02997/0.7071, allocations: 14.93 MB / 0.8368 GB, free: 6.629 MB / 0.6544 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002063/0.7073, allocations: 258.3 kB / 0.837 GB, free: 6.324 MB / 0.6544 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.044/2.752, allocations: 6.875 kB / 0.837 GB, free: 6.32 MB / 0.6544 GB (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_BuildSysPro_BuildSysPro_IBPSA_Fluid_Humidifiers_Validation_SteamHumidifier_X_fmu --startTime=0 --stopTime=1080 --timeout=50 --tolerance=1e-06 BuildSysPro_BuildSysPro_IBPSA_Fluid_Humidifiers_Validation_SteamHumidifier_X.fmu > BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe 2>&1)