Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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(IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal") translateModel(IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.01048/0.01048, allocations: 100.6 kB / 15.73 MB, free: 6.453 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002242/0.002242, allocations: 199.1 kB / 16.68 MB, free: 6.355 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.44/1.44, allocations: 222.9 MB / 240.4 MB, free: 4.328 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7817/0.7817, allocations: 132.2 MB / 422.7 MB, free: 1.699 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001211/0.001211, allocations: 67.89 kB / 0.5813 GB, free: 7.574 MB / 494.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4667/0.4679, allocations: 80.21 MB / 0.6597 GB, free: 10.29 MB / 0.4981 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Blocks/Math.mo:543:5-544:48:writable] Warning: Parameter pump.gaiSpe.k has no value, and is fixed during initialization (fixed=true), using available start value (start=1) as default value. Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal): time 0.086/0.554, allocations: 80.55 MB / 0.7383 GB, free: 5.484 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.03364/0.5877, allocations: 19.22 MB / 0.7571 GB, free: 2.215 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005068/0.5928, allocations: 107.4 kB / 0.7572 GB, free: 2.109 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.004211/0.597, allocations: 1.165 MB / 0.7583 GB, free: 0.9414 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.009411/0.6065, allocations: 2.855 MB / 0.7611 GB, free: 14.08 MB / 0.5919 GB Notification: Performance of NFTyping.typeClassSections: time 0.007053/0.6136, allocations: 2.416 MB / 0.7635 GB, free: 11.68 MB / 0.5919 GB Notification: Performance of NFFlatten.flatten: time 0.02214/0.6357, allocations: 15.53 MB / 0.7786 GB, free: 12.09 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.01117/0.6469, allocations: 7.217 MB / 0.7857 GB, free: 4.777 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0132/0.6602, allocations: 5.974 MB / 0.7915 GB, free: 14.82 MB / 0.6231 GB Notification: Performance of NFSimplifyModel.simplify: time 0.01017/0.6704, allocations: 5.054 MB / 0.7964 GB, free: 9.75 MB / 0.6231 GB Notification: Performance of NFPackage.collectConstants: time 0.002765/0.6732, allocations: 0.5391 MB / 0.797 GB, free: 9.211 MB / 0.6231 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007598/0.6808, allocations: 1.806 MB / 0.7987 GB, free: 7.402 MB / 0.6231 GB Notification: Performance of NFScalarize.scalarize: time 0.003823/0.6846, allocations: 1.612 MB / 0.8003 GB, free: 5.785 MB / 0.6231 GB Notification: Performance of NFVerifyModel.verify: time 0.009368/0.694, allocations: 3.294 MB / 0.8035 GB, free: 2.477 MB / 0.6231 GB Notification: Performance of NFConvertDAE.convert: time 0.01687/0.7109, allocations: 9.081 MB / 0.8124 GB, free: 9.371 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 7.644e-06/0.711, allocations: 0 / 0.8124 GB, free: 9.371 MB / 0.6387 GB Notification: Performance of FrontEnd: time 2.074e-06/0.711, allocations: 0 / 0.8124 GB, free: 9.371 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 0.00036/0.7114, allocations: 0 / 0.8124 GB, free: 9.371 MB / 0.6387 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 834 * Number of variables: 834 Notification: Performance of Generate backend data structure: time 0.01711/0.7285, allocations: 6.485 MB / 0.8187 GB, free: 2.793 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 4.011e-05/0.7285, allocations: 8.031 kB / 0.8187 GB, free: 2.785 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004355/0.7329, allocations: 0.8244 MB / 0.8195 GB, free: 1.953 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01182/0.7447, allocations: 5.351 MB / 0.8248 GB, free: 12.52 MB / 0.6544 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002455/0.745, allocations: 262.5 kB / 0.825 GB, free: 12.27 MB / 0.6544 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.001106/0.7461, allocations: 336 kB / 0.8253 GB, free: 11.94 MB / 0.6544 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.01195/0.7581, allocations: 5.703 MB / 0.8309 GB, free: 5.988 MB / 0.6544 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.424e-05/0.7582, allocations: 7.938 kB / 0.8309 GB, free: 5.98 MB / 0.6544 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0008117/0.759, allocations: 147.9 kB / 0.8311 GB, free: 5.836 MB / 0.6544 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001129/0.7592, allocations: 122 kB / 0.8312 GB, free: 5.715 MB / 0.6544 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0126/0.7718, allocations: 5.518 MB / 0.8366 GB, free: 188 kB / 0.6544 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 0.0416/0.8134, allocations: 23.67 MB / 0.8597 GB, free: 7.438 MB / 0.6856 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00554/0.819, allocations: 2.754 MB / 0.8624 GB, free: 4.691 MB / 0.6856 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003138/0.8222, allocations: 1.901 MB / 0.8642 GB, free: 2.789 MB / 0.6856 GB Notification: Performance of preOpt evalFunc (simulation): time 0.3808/1.203, allocations: 7.074 MB / 0.8711 GB, free: 181.2 MB / 0.6856 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003636/1.207, allocations: 1.919 MB / 0.873 GB, free: 180.6 MB / 0.6856 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.003705/1.21, allocations: 0.7022 MB / 0.8737 GB, free: 180.5 MB / 0.6856 GB Notification: Performance of pre-optimization done (n=155): time 1.337e-05/1.21, allocations: 4.656 kB / 0.8737 GB, free: 180.5 MB / 0.6856 GB Notification: Performance of matching and sorting (n=155): time 0.02582/1.236, allocations: 7.927 MB / 0.8814 GB, free: 178.1 MB / 0.6856 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.358e-05/1.236, allocations: 68.44 kB / 0.8815 GB, free: 178 MB / 0.6856 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.009851/1.246, allocations: 5.005 MB / 0.8864 GB, free: 175.6 MB / 0.6856 GB Notification: Performance of collectPreVariables (initialization): time 0.001372/1.248, allocations: 70.91 kB / 0.8865 GB, free: 175.5 MB / 0.6856 GB Notification: Performance of collectInitialEqns (initialization): time 0.003271/1.251, allocations: 2.46 MB / 0.8889 GB, free: 173.8 MB / 0.6856 GB Notification: Performance of collectInitialBindings (initialization): time 0.001735/1.253, allocations: 0.5446 MB / 0.8894 GB, free: 173.3 MB / 0.6856 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001427/1.254, allocations: 0.6638 MB / 0.89 GB, free: 172.9 MB / 0.6856 GB Notification: Performance of setup shared object (initialization): time 9.602e-05/1.254, allocations: 305.1 kB / 0.8903 GB, free: 172.6 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003106/1.257, allocations: 1.718 MB / 0.892 GB, free: 171.7 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004115/1.262, allocations: 2.911 MB / 0.8949 GB, free: 169.3 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.007352/1.269, allocations: 4.683 MB / 0.8994 GB, free: 166 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.885e-05/1.269, allocations: 13.25 kB / 0.8994 GB, free: 166 MB / 0.6856 GB Notification: Performance of matching and sorting (n=336) (initialization): time 0.01249/1.281, allocations: 6.29 MB / 0.9056 GB, free: 162.7 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 5.99e-05/1.282, allocations: 49.48 kB / 0.9056 GB, free: 162.6 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.499e-05/1.282, allocations: 39.56 kB / 0.9057 GB, free: 162.6 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.07833/1.36, allocations: 13.54 MB / 0.9189 GB, free: 154.2 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002866/1.363, allocations: 0.6474 MB / 0.9195 GB, free: 153.5 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008809/1.372, allocations: 5.479 MB / 0.9249 GB, free: 148 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005121/1.377, allocations: 224.3 kB / 0.9251 GB, free: 147.8 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006393/1.378, allocations: 191.8 kB / 0.9253 GB, free: 147.6 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004693/1.382, allocations: 2.956 MB / 0.9282 GB, free: 144.6 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002729/1.385, allocations: 2.859 MB / 0.931 GB, free: 141.2 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004882/1.39, allocations: 4.534 MB / 0.9354 GB, free: 136.2 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.539e-05/1.39, allocations: 12 kB / 0.9354 GB, free: 136.2 MB / 0.6856 GB Notification: Performance of matching and sorting (n=336) (initialization_lambda0): time 0.00906/1.399, allocations: 5.994 MB / 0.9412 GB, free: 130.2 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 4.086e-05/1.399, allocations: 50.69 kB / 0.9413 GB, free: 130.1 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.53e-05/1.399, allocations: 32 kB / 0.9413 GB, free: 130.1 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.07468/1.474, allocations: 13.31 MB / 0.9543 GB, free: 116.8 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002704/1.477, allocations: 0.6396 MB / 0.955 GB, free: 116.1 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01134/1.488, allocations: 8.9 MB / 0.9636 GB, free: 106.9 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00466/1.493, allocations: 220.8 kB / 0.9639 GB, free: 106.7 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004762/1.493, allocations: 187.8 kB / 0.964 GB, free: 106.5 MB / 0.6856 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 150 * Number of states: 0 () * Number of discrete variables: 7 (pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,$whenCondition1,nRes.y,allowFlowReversal.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (283): * Single equations (assignments): 278 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(11,15), (10,11), (2,5)} Notification: Performance of prepare postOptimizeDAE: time 0.0009007/1.494, allocations: 371.3 kB / 0.9644 GB, free: 106.2 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001173/1.495, allocations: 462.3 kB / 0.9648 GB, free: 105.7 MB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.007257/1.502, allocations: 4.573 MB / 0.9693 GB, free: 101.1 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.884e-05/1.502, allocations: 16 kB / 0.9693 GB, free: 101.1 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.18e-06/1.502, allocations: 4.094 kB / 0.9693 GB, free: 101.1 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.009174/1.512, allocations: 5.621 MB / 0.9748 GB, free: 95.23 MB / 0.6856 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02534/1.537, allocations: 10.72 MB / 0.9853 GB, free: 84.48 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.527e-05/1.537, allocations: 4.062 kB / 0.9853 GB, free: 84.48 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002124/1.539, allocations: 367.4 kB / 0.9856 GB, free: 84.12 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.06666/1.606, allocations: 11.7 MB / 0.997 GB, free: 72.48 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.000502/1.606, allocations: 51.97 kB / 0.9971 GB, free: 72.43 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005542/1.612, allocations: 3.561 MB / 1.001 GB, free: 68.8 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.088e-06/1.612, allocations: 4 kB / 1.001 GB, free: 68.8 MB / 0.6856 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.02225/1.634, allocations: 8.407 MB / 1.009 GB, free: 60.36 MB / 0.6856 GB Notification: Performance of postOpt removeConstants (simulation): time 0.002682/1.637, allocations: 0.9325 MB / 1.01 GB, free: 59.4 MB / 0.6856 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0009882/1.638, allocations: 32 kB / 1.01 GB, free: 59.37 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003006/1.641, allocations: 135.7 kB / 1.01 GB, free: 59.24 MB / 0.6856 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003417/1.641, allocations: 113.7 kB / 1.01 GB, free: 59.12 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0002167/1.642, allocations: 83.92 kB / 1.01 GB, free: 59.04 MB / 0.6856 GB Notification: Performance of sorting global known variables: time 0.00453/1.646, allocations: 3.436 MB / 1.013 GB, free: 55.62 MB / 0.6856 GB Notification: Performance of sort global known variables: time 1.51e-07/1.646, allocations: 0 / 1.013 GB, free: 55.62 MB / 0.6856 GB Notification: Performance of remove unused functions: time 0.007126/1.653, allocations: 2.635 MB / 1.016 GB, free: 53.02 MB / 0.6856 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 4 (pump.vol.dynBal.U,hea.outCon.T,val.filter.s[1],val.filter.s[2]) * Number of discrete variables: 3 ($whenCondition1,pulse.T_start,pulse.count) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (135): * Single equations (assignments): 126 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 3 systems {(11,5), (2,5), (10,11)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001271/1.655, allocations: 0.5255 MB / 1.016 GB, free: 52.56 MB / 0.6856 GB Notification: Performance of simCode: created initialization part: time 0.01617/1.671, allocations: 7.4 MB / 1.024 GB, free: 45.12 MB / 0.6856 GB Notification: Performance of simCode: created event and clocks part: time 8.335e-06/1.671, allocations: 5.812 kB / 1.024 GB, free: 45.12 MB / 0.6856 GB Notification: Performance of simCode: created simulation system equations: time 0.005425/1.676, allocations: 2.291 MB / 1.026 GB, free: 42.84 MB / 0.6856 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01149/1.688, allocations: 2.708 MB / 1.029 GB, free: 40.27 MB / 0.6856 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01373/1.701, allocations: 9.965 MB / 1.038 GB, free: 30.29 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002028/1.704, allocations: 3.248 MB / 1.042 GB, free: 27.01 MB / 0.6856 GB Notification: Performance of simCode: alias equations: time 0.004824/1.708, allocations: 1.647 MB / 1.043 GB, free: 25.38 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001188/1.71, allocations: 351.3 kB / 1.043 GB, free: 25.04 MB / 0.6856 GB Notification: Performance of SimCode: time 9.82e-07/1.71, allocations: 3.938 kB / 1.043 GB, free: 25.03 MB / 0.6856 GB Notification: Performance of Templates: time 0.1531/1.863, allocations: 111.6 MB / 1.152 GB, free: 10.21 MB / 0.7794 GB make -j1 -f IDEAS_IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal.makefile (rm -f IDEAS_IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal.pipe ; mkfifo IDEAS_IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal.pipe >> ../files/IDEAS_IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal.sim & ./IDEAS_IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal.pipe 2>&1)