Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_3.0.0_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow.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 12.0.0-master/package.mo", uses=false)
Using package Buildings with version 12.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-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: translateModel(Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow")
translateModel(Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_3.0.0_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009975/0.0009977, allocations: 98.27 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 0.006493/0.006493, allocations: 170.6 kB / 16.27 MB, free: 6.652 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.426/1.426, allocations: 223.3 MB / 240.3 MB, free: 5.363 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 12.0.0-master/package.mo): time 3.015/3.015, allocations: 473.4 MB / 0.7469 GB, free: 6.094 MB / 0.5919 GB
Notification: Performance of FrontEnd - loaded program: time 0.0003916/0.0003914, allocations: 8.406 kB / 0.9159 GB, free: 32.97 MB / 0.7169 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.4109/0.4113, allocations: 162.2 MB / 1.074 GB, free: 7.41 MB / 0.8262 GB
Notification: Performance of NFInst.instantiate(Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow): time 0.003201/0.4145, allocations: 1.608 MB / 1.076 GB, free: 5.801 MB / 0.8262 GB
Notification: Performance of NFInst.instExpressions: time 0.003379/0.418, allocations: 1.334 MB / 1.077 GB, free: 4.453 MB / 0.8262 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0007821/0.4188, allocations: 4 kB / 1.077 GB, free: 4.449 MB / 0.8262 GB
Notification: Performance of NFTyping.typeComponents: time 0.0004359/0.4192, allocations: 47.52 kB / 1.077 GB, free: 4.402 MB / 0.8262 GB
Notification: Performance of NFTyping.typeBindings: time 0.0004696/0.4197, allocations: 51.64 kB / 1.077 GB, free: 4.352 MB / 0.8262 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0007458/0.4205, allocations: 183.8 kB / 1.077 GB, free: 4.172 MB / 0.8262 GB
Notification: Performance of NFFlatten.flatten: time 0.001028/0.4216, allocations: 0.5009 MB / 1.078 GB, free: 3.668 MB / 0.8262 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0005892/0.4222, allocations: 288.5 kB / 1.078 GB, free: 3.383 MB / 0.8262 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0002067/0.4224, allocations: 123.2 kB / 1.078 GB, free: 3.262 MB / 0.8262 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0002188/0.4226, allocations: 154.9 kB / 1.078 GB, free: 3.109 MB / 0.8262 GB
Notification: Performance of NFPackage.collectConstants: time 5.628e-05/0.4227, allocations: 15.94 kB / 1.078 GB, free: 3.094 MB / 0.8262 GB
Notification: Performance of NFFlatten.collectFunctions: time 3.794e-05/0.4227, allocations: 12 kB / 1.078 GB, free: 3.082 MB / 0.8262 GB
Notification: Performance of NFScalarize.scalarize: time 8.969e-05/0.4228, allocations: 63.64 kB / 1.079 GB, free: 3.02 MB / 0.8262 GB
Notification: Performance of NFVerifyModel.verify: time 0.0001928/0.423, allocations: 204.4 kB / 1.079 GB, free: 2.812 MB / 0.8262 GB
Notification: Performance of NFConvertDAE.convert: time 0.0007134/0.4237, allocations: 0.763 MB / 1.079 GB, free: 2.047 MB / 0.8262 GB
Notification: Performance of FrontEnd - DAE generated: time 7.293e-06/0.4238, allocations: 0 / 1.079 GB, free: 2.047 MB / 0.8262 GB
Notification: Performance of FrontEnd: time 3.267e-06/0.4238, allocations: 0 / 1.079 GB, free: 2.047 MB / 0.8262 GB
Notification: Performance of Transformations before backend: time 9.117e-06/0.4238, allocations: 0 / 1.079 GB, free: 2.047 MB / 0.8262 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 110
 * Number of variables: 110
Notification: Performance of Generate backend data structure: time 0.001405/0.4252, allocations: 0.6783 MB / 1.08 GB, free: 1.316 MB / 0.8262 GB
Notification: Performance of prepare preOptimizeDAE: time 5.61e-05/0.4253, allocations: 12.03 kB / 1.08 GB, free: 1.305 MB / 0.8262 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000123/0.4254, allocations: 52.28 kB / 1.08 GB, free: 1.254 MB / 0.8262 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0005377/0.4259, allocations: 376.2 kB / 1.081 GB, free: 0.8477 MB / 0.8262 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.718e-05/0.426, allocations: 29.38 kB / 1.081 GB, free: 0.8203 MB / 0.8262 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 8.607e-05/0.4261, allocations: 44.38 kB / 1.081 GB, free: 0.7773 MB / 0.8262 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0009258/0.427, allocations: 474.6 kB / 1.081 GB, free: 312 kB / 0.8262 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.596e-05/0.4271, allocations: 8.125 kB / 1.081 GB, free: 304 kB / 0.8262 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.924e-05/0.4271, allocations: 19.94 kB / 1.081 GB, free: 284 kB / 0.8262 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.535e-05/0.4271, allocations: 12 kB / 1.081 GB, free: 272 kB / 0.8262 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007725/0.4279, allocations: 355.8 kB / 1.081 GB, free: 15.92 MB / 0.8419 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.002104/0.43, allocations: 1.455 MB / 1.083 GB, free: 14.4 MB / 0.8419 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0007542/0.4308, allocations: 306.9 kB / 1.083 GB, free: 14.09 MB / 0.8419 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003024/0.4311, allocations: 144.8 kB / 1.083 GB, free: 13.95 MB / 0.8419 GB
Notification: Performance of preOpt evalFunc (simulation): time 3.859e-05/0.4312, allocations: 8 kB / 1.083 GB, free: 13.94 MB / 0.8419 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004159/0.4316, allocations: 202.5 kB / 1.083 GB, free: 13.72 MB / 0.8419 GB
Notification: Performance of pre-optimization done (n=25): time 2.134e-06/0.4316, allocations: 0 / 1.083 GB, free: 13.72 MB / 0.8419 GB
Notification: Performance of matching and sorting (n=25): time 0.0009118/0.4325, allocations: 399.6 kB / 1.084 GB, free: 13.33 MB / 0.8419 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 7.758e-05/0.4326, allocations: 132.5 kB / 1.084 GB, free: 13.17 MB / 0.8419 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004999/0.4331, allocations: 441.8 kB / 1.084 GB, free: 12.73 MB / 0.8419 GB
Notification: Performance of collectPreVariables (initialization): time 3.32e-05/0.4332, allocations: 33.7 kB / 1.084 GB, free: 12.69 MB / 0.8419 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0001732/0.4333, allocations: 236.2 kB / 1.085 GB, free: 12.45 MB / 0.8419 GB
Notification: Performance of collectInitialBindings (initialization): time 7.139e-05/0.4334, allocations: 86.75 kB / 1.085 GB, free: 12.37 MB / 0.8419 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 6.04e-05/0.4335, allocations: 33.7 kB / 1.085 GB, free: 12.33 MB / 0.8419 GB
Notification: Performance of setup shared object (initialization): time 0.0001675/0.4337, allocations: 346.8 kB / 1.085 GB, free: 11.98 MB / 0.8419 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002495/0.4339, allocations: 112.5 kB / 1.085 GB, free: 11.87 MB / 0.8419 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.000283/0.4342, allocations: 188.7 kB / 1.085 GB, free: 11.66 MB / 0.8419 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.000512/0.4347, allocations: 265.8 kB / 1.086 GB, free: 11.38 MB / 0.8419 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.506e-06/0.4347, allocations: 0 / 1.086 GB, free: 11.38 MB / 0.8419 GB
Notification: Performance of matching and sorting (n=33) (initialization): time 0.0006653/0.4354, allocations: 353 kB / 1.086 GB, free: 11.03 MB / 0.8419 GB
Notification: Performance of prepare postOptimizeDAE: time 7.778e-05/0.4355, allocations: 120.6 kB / 1.086 GB, free: 10.89 MB / 0.8419 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.414e-06/0.4355, allocations: 0 / 1.086 GB, free: 10.89 MB / 0.8419 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.767e-05/0.4355, allocations: 8.031 kB / 1.086 GB, free: 10.89 MB / 0.8419 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002534/0.4358, allocations: 63.91 kB / 1.086 GB, free: 10.82 MB / 0.8419 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.029e-05/0.4358, allocations: 7.938 kB / 1.086 GB, free: 10.82 MB / 0.8419 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002667/0.4361, allocations: 68.06 kB / 1.086 GB, free: 10.75 MB / 0.8419 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.416e-05/0.4361, allocations: 15.92 kB / 1.086 GB, free: 10.73 MB / 0.8419 GB
Notification: Performance of prepare postOptimizeDAE: time 6.492e-06/0.4361, allocations: 4 kB / 1.086 GB, free: 10.73 MB / 0.8419 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0004597/0.4366, allocations: 251.8 kB / 1.087 GB, free: 10.48 MB / 0.8419 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.294e-06/0.4366, allocations: 0 / 1.087 GB, free: 10.48 MB / 0.8419 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.424e-06/0.4366, allocations: 4 kB / 1.087 GB, free: 10.48 MB / 0.8419 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002053/0.4368, allocations: 55.91 kB / 1.087 GB, free: 10.43 MB / 0.8419 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.715e-06/0.4368, allocations: 128 / 1.087 GB, free: 10.43 MB / 0.8419 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001975/0.437, allocations: 55.58 kB / 1.087 GB, free: 10.37 MB / 0.8419 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.919e-05/0.4371, allocations: 15.98 kB / 1.087 GB, free: 10.36 MB / 0.8419 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 5
 * Number of states: 0 ()
 * Number of discrete variables: 7 ($whenCondition1,damLim.conInt1.y,damLim.conInt.y,damLim.intLesEqu.y,damLim.intEqu.y,damLim.and2.y,damLim.not1.y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (33):
 * Single equations (assignments): 33
 * 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 0.0002737/0.4373, allocations: 241.1 kB / 1.087 GB, free: 10.11 MB / 0.8419 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 5.207e-05/0.4374, allocations: 43.47 kB / 1.087 GB, free: 10.07 MB / 0.8419 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.000673/0.4381, allocations: 345.1 kB / 1.087 GB, free: 9.723 MB / 0.8419 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.097e-06/0.4381, allocations: 4 kB / 1.087 GB, free: 9.719 MB / 0.8419 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.46e-06/0.4381, allocations: 0 / 1.087 GB, free: 9.719 MB / 0.8419 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.214e-06/0.4381, allocations: 4 kB / 1.087 GB, free: 9.715 MB / 0.8419 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001257/0.4394, allocations: 0.9187 MB / 1.088 GB, free: 8.719 MB / 0.8419 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5e-06/0.4394, allocations: 4 kB / 1.088 GB, free: 8.715 MB / 0.8419 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002386/0.4396, allocations: 60.12 kB / 1.088 GB, free: 8.656 MB / 0.8419 GB
Notification: Performance of postOpt tearingSystem (simulation): time 3.666e-06/0.4397, allocations: 0 / 1.088 GB, free: 8.656 MB / 0.8419 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.054e-05/0.4397, allocations: 8 kB / 1.088 GB, free: 8.648 MB / 0.8419 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.355e-06/0.4397, allocations: 4 kB / 1.088 GB, free: 8.645 MB / 0.8419 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.789e-06/0.4397, allocations: 7.938 kB / 1.088 GB, free: 8.637 MB / 0.8419 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0009559/0.4407, allocations: 0.5944 MB / 1.089 GB, free: 8.004 MB / 0.8419 GB
Notification: Performance of postOpt removeConstants (simulation): time 9.373e-05/0.4408, allocations: 132.6 kB / 1.089 GB, free: 7.855 MB / 0.8419 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.666e-05/0.4408, allocations: 12 kB / 1.089 GB, free: 7.844 MB / 0.8419 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002381/0.4411, allocations: 37.03 kB / 1.089 GB, free: 7.809 MB / 0.8419 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 6.345e-05/0.4411, allocations: 15.98 kB / 1.089 GB, free: 7.793 MB / 0.8419 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.099e-05/0.4412, allocations: 12 kB / 1.089 GB, free: 7.781 MB / 0.8419 GB
Notification: Performance of sorting global known variables: time 0.0003553/0.4415, allocations: 311.1 kB / 1.089 GB, free: 7.477 MB / 0.8419 GB
Notification: Performance of sort global known variables: time 2e-07/0.4415, allocations: 0 / 1.089 GB, free: 7.477 MB / 0.8419 GB
Notification: Performance of remove unused functions: time 0.000494/0.442, allocations: 135.5 kB / 1.089 GB, free: 7.344 MB / 0.8419 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 8
 * Number of states: 1 (damLim.damLimCon.I.y)
 * Number of discrete variables: 2 ($whenCondition1,damLim.not1.y)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (27):
 * Single equations (assignments): 27
 * 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 Backend phase and start with SimCode phase: time 0.0001457/0.4422, allocations: 115.2 kB / 1.09 GB, free: 7.223 MB / 0.8419 GB
Notification: Performance of simCode: created initialization part: time 0.0009128/0.4431, allocations: 412.9 kB / 1.09 GB, free: 6.82 MB / 0.8419 GB
Notification: Performance of simCode: created event and clocks part: time 1.602e-05/0.4431, allocations: 4 kB / 1.09 GB, free: 6.816 MB / 0.8419 GB
Notification: Performance of simCode: created simulation system equations: time 0.0002997/0.4434, allocations: 141.1 kB / 1.09 GB, free: 6.68 MB / 0.8419 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0008586/0.4443, allocations: 132.3 kB / 1.09 GB, free: 6.555 MB / 0.8419 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001533/0.4458, allocations: 0.8918 MB / 1.091 GB, free: 5.613 MB / 0.8419 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003815/0.4462, allocations: 0.8077 MB / 1.092 GB, free: 4.781 MB / 0.8419 GB
Notification: Performance of simCode: alias equations: time 0.0002114/0.4465, allocations: 59.22 kB / 1.092 GB, free: 4.723 MB / 0.8419 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000133/0.4466, allocations: 35.44 kB / 1.092 GB, free: 4.688 MB / 0.8419 GB
Notification: Performance of SimCode: time 1.072e-06/0.4466, allocations: 4 kB / 1.092 GB, free: 4.684 MB / 0.8419 GB
Notification: Performance of Templates: time 0.009463/0.4561, allocations: 4.289 MB / 1.096 GB, free: 484 kB / 0.8419 GB
make -j1 -f Buildings_3.0.0_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow.makefile
(rm -f Buildings_3.0.0_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow.pipe ; mkfifo Buildings_3.0.0_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow.pipe ; head -c 1048576 < Buildings_3.0.0_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow.pipe >> ../files/Buildings_3.0.0_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow.sim & ./Buildings_3.0.0_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_3.0.0_Buildings.Obsolete.Controls.OBC.ASHRAE.G36_PR1.AHUs.MultiZone.VAV.Economizers.Subsequences.Validation.Limits_VOut_flow.pipe 2>&1)