Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesAir.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/Buildings 11.0.0-master/package.mo", uses=false) Using package Buildings with version 11.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-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(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesAir,fileNamePrefix="Buildings_latest_Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesAir",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesAir,fileNamePrefix="Buildings_latest_Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesAir",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 0.001081/0.001081, allocations: 98.27 kB / 15.36 MB, free: 0.7305 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001453/0.001453, allocations: 172.9 kB / 16.27 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.371/1.371, allocations: 223.3 MB / 240.3 MB, free: 5.355 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 11.0.0-master/package.mo): time 2.703/2.703, allocations: 462.6 MB / 0.7364 GB, free: 15.6 MB / 0.5919 GB Notification: Performance of FrontEnd - loaded program: time 0.0003659/0.0003659, allocations: 16.12 kB / 0.9029 GB, free: 36.33 MB / 0.7169 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3579/0.3582, allocations: 159.6 MB / 1.059 GB, free: 4.891 MB / 0.8106 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesAir): time 0.1913/0.5496, allocations: 183.3 MB / 1.238 GB, free: 12.94 MB / 0.9981 GB Notification: Performance of NFInst.instExpressions: time 0.01063/0.5603, allocations: 6.321 MB / 1.244 GB, free: 6.602 MB / 0.9981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001441/0.5618, allocations: 31.75 kB / 1.244 GB, free: 6.57 MB / 0.9981 GB Notification: Performance of NFTyping.typeComponents: time 0.001469/0.5633, allocations: 449.7 kB / 1.244 GB, free: 6.129 MB / 0.9981 GB Notification: Performance of NFTyping.typeBindings: time 0.004763/0.5681, allocations: 1.689 MB / 1.246 GB, free: 4.434 MB / 0.9981 GB Notification: Performance of NFTyping.typeClassSections: time 0.002501/0.5706, allocations: 0.8728 MB / 1.247 GB, free: 3.566 MB / 0.9981 GB Notification: Performance of NFFlatten.flatten: time 0.00377/0.5744, allocations: 3.306 MB / 1.25 GB, free: 260 kB / 0.9981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.6475/1.222, allocations: 0.5852 MB / 1.251 GB, free: 4.555 MB / 0.9981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001726/1.224, allocations: 0.7712 MB / 1.251 GB, free: 4.555 MB / 0.9981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0016/1.225, allocations: 0.7112 MB / 1.252 GB, free: 4.555 MB / 0.9981 GB Notification: Performance of NFPackage.collectConstants: time 9.292e-05/1.225, allocations: 31 kB / 1.252 GB, free: 4.555 MB / 0.9981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.003358/1.229, allocations: 2.105 MB / 1.254 GB, free: 4.555 MB / 0.9981 GB Notification: Performance of NFScalarize.scalarize: time 0.0002823/1.229, allocations: 290.2 kB / 1.254 GB, free: 4.555 MB / 0.9981 GB Notification: Performance of NFVerifyModel.verify: time 0.0004448/1.23, allocations: 477.7 kB / 1.255 GB, free: 4.523 MB / 0.9981 GB Notification: Performance of NFConvertDAE.convert: time 0.002264/1.232, allocations: 1.959 MB / 1.257 GB, free: 4.477 MB / 0.9981 GB Notification: Performance of FrontEnd - DAE generated: time 4.639e-06/1.232, allocations: 0.6562 kB / 1.257 GB, free: 4.477 MB / 0.9981 GB Notification: Performance of FrontEnd: time 1.623e-06/1.232, allocations: 0 / 1.257 GB, free: 4.477 MB / 0.9981 GB Notification: Performance of Transformations before backend: time 1.314e-05/1.232, allocations: 0 / 1.257 GB, free: 4.477 MB / 0.9981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 148 * Number of variables: 148 Notification: Performance of Generate backend data structure: time 0.001714/1.234, allocations: 1.115 MB / 1.258 GB, free: 19.79 MB / 1.014 GB Notification: Performance of prepare preOptimizeDAE: time 3.498e-05/1.234, allocations: 16.53 kB / 1.258 GB, free: 19.79 MB / 1.014 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001174/1.234, allocations: 105.5 kB / 1.258 GB, free: 19.75 MB / 1.014 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001882/1.236, allocations: 305 kB / 1.258 GB, free: 19.7 MB / 1.014 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009484/1.237, allocations: 0.7108 MB / 1.259 GB, free: 19.39 MB / 1.014 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.889e-05/1.237, allocations: 43.25 kB / 1.259 GB, free: 19.39 MB / 1.014 GB Notification: Performance of preOpt expandDerOperator (simulation): time 8.665e-05/1.237, allocations: 67.42 kB / 1.259 GB, free: 19.39 MB / 1.014 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009604/1.238, allocations: 0.6282 MB / 1.26 GB, free: 19.34 MB / 1.014 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.932e-05/1.238, allocations: 1.219 kB / 1.26 GB, free: 19.34 MB / 1.014 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.633e-05/1.238, allocations: 23.25 kB / 1.26 GB, free: 19.34 MB / 1.014 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.701e-05/1.238, allocations: 29.44 kB / 1.26 GB, free: 19.34 MB / 1.014 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000814/1.239, allocations: 0.5455 MB / 1.26 GB, free: 19.33 MB / 1.014 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 0.00308/1.242, allocations: 2.778 MB / 1.263 GB, free: 17.91 MB / 1.014 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0006789/1.242, allocations: 473 kB / 1.264 GB, free: 17.88 MB / 1.014 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003135/1.243, allocations: 265.1 kB / 1.264 GB, free: 17.86 MB / 1.014 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001713/1.243, allocations: 103.8 kB / 1.264 GB, free: 17.77 MB / 1.014 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.393e-05/1.243, allocations: 41.28 kB / 1.264 GB, free: 17.73 MB / 1.014 GB Notification: Performance of pre-optimization done (n=46): time 1.864e-06/1.243, allocations: 0 / 1.264 GB, free: 17.73 MB / 1.014 GB Notification: Performance of matching and sorting (n=49): time 0.002555/1.245, allocations: 1.539 MB / 1.265 GB, free: 17.3 MB / 1.014 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.989e-05/1.246, allocations: 57.38 kB / 1.265 GB, free: 17.23 MB / 1.014 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006784/1.246, allocations: 0.5512 MB / 1.266 GB, free: 17.1 MB / 1.014 GB Notification: Performance of collectPreVariables (initialization): time 5.578e-05/1.246, allocations: 36.55 kB / 1.266 GB, free: 17.07 MB / 1.014 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002678/1.247, allocations: 360.1 kB / 1.266 GB, free: 16.91 MB / 1.014 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001594/1.247, allocations: 180.4 kB / 1.267 GB, free: 16.79 MB / 1.014 GB Notification: Performance of simplifyInitialFunctions (initialization): time 8.221e-05/1.247, allocations: 48.77 kB / 1.267 GB, free: 16.78 MB / 1.014 GB Notification: Performance of setup shared object (initialization): time 0.0001702/1.247, allocations: 371.9 kB / 1.267 GB, free: 16.46 MB / 1.014 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003195/1.247, allocations: 190.8 kB / 1.267 GB, free: 16.46 MB / 1.014 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003916/1.248, allocations: 291.5 kB / 1.267 GB, free: 16.38 MB / 1.014 GB Warning: It was not possible to determine if the initialization problem is consistent, because of not evaluable parameters/start values during compile time: vol.dynBal.medium.p = vol.dynBal.p_start (vol1.dynBal.p_start = vol.dynBal.p_start) Notification: Performance of analyzeInitialSystem (initialization): time 0.003064/1.251, allocations: 1.251 MB / 1.269 GB, free: 16.19 MB / 1.014 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.803e-06/1.251, allocations: 0 / 1.269 GB, free: 16.19 MB / 1.014 GB Notification: Performance of matching and sorting (n=60) (initialization): time 0.001042/1.252, allocations: 0.6007 MB / 1.269 GB, free: 16.11 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 9.486e-05/1.252, allocations: 150.2 kB / 1.269 GB, free: 15.95 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.047e-06/1.252, allocations: 6.281 kB / 1.269 GB, free: 15.95 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001594/1.252, allocations: 39.8 kB / 1.269 GB, free: 15.94 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0005706/1.253, allocations: 108.1 kB / 1.27 GB, free: 15.94 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001559/1.254, allocations: 2.1 MB / 1.272 GB, free: 14.02 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008185/1.255, allocations: 57.72 kB / 1.272 GB, free: 14.01 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.266e-05/1.255, allocations: 22.38 kB / 1.272 GB, free: 14 MB / 1.014 GB Notification: Performance of prepare postOptimizeDAE: time 6.793e-06/1.255, allocations: 4.312 kB / 1.272 GB, free: 14 MB / 1.014 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0009599/1.256, allocations: 0.5199 MB / 1.272 GB, free: 13.98 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.729e-06/1.256, allocations: 2.438 kB / 1.272 GB, free: 13.98 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001055/1.256, allocations: 37.47 kB / 1.272 GB, free: 13.98 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004058/1.257, allocations: 103 kB / 1.272 GB, free: 13.97 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001129/1.258, allocations: 1.507 MB / 1.274 GB, free: 12.64 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000794/1.259, allocations: 61.69 kB / 1.274 GB, free: 12.63 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.515e-05/1.259, allocations: 19.25 kB / 1.274 GB, free: 12.63 MB / 1.014 GB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization sytem: vol.dynBal.medium.p = vol.dynBal.p_start. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (57): * Single equations (assignments): 55 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,3,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0004878/1.259, allocations: 329 kB / 1.274 GB, free: 12.44 MB / 1.014 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000115/1.259, allocations: 70.19 kB / 1.274 GB, free: 12.41 MB / 1.014 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001064/1.26, allocations: 0.577 MB / 1.275 GB, free: 12.34 MB / 1.014 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.615e-06/1.26, allocations: 5.375 kB / 1.275 GB, free: 12.34 MB / 1.014 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.408e-06/1.26, allocations: 1.469 kB / 1.275 GB, free: 12.34 MB / 1.014 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.00098/1.261, allocations: 0.7973 MB / 1.276 GB, free: 11.88 MB / 1.014 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002531/1.264, allocations: 1.58 MB / 1.277 GB, free: 11.45 MB / 1.014 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.869e-06/1.264, allocations: 1.344 kB / 1.277 GB, free: 11.45 MB / 1.014 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005861/1.265, allocations: 123.8 kB / 1.277 GB, free: 11.45 MB / 1.014 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001136/1.265, allocations: 32.48 kB / 1.277 GB, free: 11.45 MB / 1.014 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.342e-05/1.265, allocations: 12.64 kB / 1.277 GB, free: 11.45 MB / 1.014 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001268/1.266, allocations: 1.957 MB / 1.279 GB, free: 9.598 MB / 1.014 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.695e-06/1.266, allocations: 5.828 kB / 1.279 GB, free: 9.598 MB / 1.014 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001204/1.267, allocations: 0.9036 MB / 1.28 GB, free: 9.375 MB / 1.014 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002927/1.268, allocations: 202.9 kB / 1.28 GB, free: 9.246 MB / 1.014 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.825e-05/1.268, allocations: 13.14 kB / 1.28 GB, free: 9.246 MB / 1.014 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006091/1.268, allocations: 47.59 kB / 1.28 GB, free: 9.238 MB / 1.014 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.507e-05/1.268, allocations: 28.22 kB / 1.28 GB, free: 9.238 MB / 1.014 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.595e-05/1.268, allocations: 22.56 kB / 1.28 GB, free: 9.234 MB / 1.014 GB Notification: Performance of sorting global known variables: time 0.000496/1.269, allocations: 396 kB / 1.281 GB, free: 9.145 MB / 1.014 GB Notification: Performance of sort global known variables: time 7.82e-07/1.269, allocations: 0 / 1.281 GB, free: 9.145 MB / 1.014 GB Notification: Performance of remove unused functions: time 0.001179/1.27, allocations: 384.9 kB / 1.281 GB, free: 9.137 MB / 1.014 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 5 (vol.dynBal.medium.Xi[1],vol.dynBal.U,vol1.dynBal.medium.Xi[1],vol1.dynBal.U,vol1.dynBal.m) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (47): * Single equations (assignments): 45 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(1,2,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001765/1.272, allocations: 1.552 MB / 1.283 GB, free: 8.371 MB / 1.014 GB Notification: Performance of simCode: created initialization part: time 0.001744/1.274, allocations: 1.006 MB / 1.284 GB, free: 8.133 MB / 1.014 GB Notification: Performance of simCode: created event and clocks part: time 4.148e-06/1.274, allocations: 0.9062 kB / 1.284 GB, free: 8.133 MB / 1.014 GB Notification: Performance of simCode: created simulation system equations: time 0.0005099/1.274, allocations: 386.9 kB / 1.284 GB, free: 8.016 MB / 1.014 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002558/1.277, allocations: 464.7 kB / 1.284 GB, free: 7.988 MB / 1.014 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00831/1.285, allocations: 6.078 MB / 1.29 GB, free: 5.402 MB / 1.014 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005852/1.286, allocations: 1.008 MB / 1.291 GB, free: 4.688 MB / 1.014 GB Notification: Performance of simCode: alias equations: time 0.001012/1.287, allocations: 216.7 kB / 1.292 GB, free: 4.645 MB / 1.014 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003289/1.287, allocations: 277.3 kB / 1.292 GB, free: 4.633 MB / 1.014 GB Notification: Performance of SimCode: time 8.61e-07/1.287, allocations: 0 / 1.292 GB, free: 4.633 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.08448/1.371, allocations: 20.5 MB / 1.312 GB, free: 3.34 MB / 1.014 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002297/1.372, allocations: 286.5 kB / 1.312 GB, free: 2.965 MB / 1.014 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.422/3.794, allocations: 4 kB / 1.312 GB, free: 2.961 MB / 1.014 GB (rm -f Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesAir.pipe ; mkfifo Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesAir.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesAir.pipe >> ../files/Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesAir.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator -r=Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesAir_res.mat --tempDir=temp_Buildings_latest_Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesAir_fmu --startTime=0 --stopTime=3600 --timeout=50 --tolerance=1e-06 Buildings_latest_Buildings_Fluid_MixingVolumes_Validation_CoupledVolumesAir.fmu > Buildings_latest_Buildings.Fluid.MixingVolumes.Validation.CoupledVolumesAir.pipe 2>&1)