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/Complex 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) 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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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 IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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) 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/Complex 4.0.0+maint.om/package.mo): time 0.001613/0.001613, allocations: 183.1 kB / 15.98 MB, free: 5.77 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7095/0.7095, allocations: 132.2 MB / 148.9 MB, free: 12.14 MB / 122.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.365/1.365, allocations: 222.9 MB / 403.3 MB, free: 7.062 MB / 314.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001038/0.001038, allocations: 94.77 kB / 484.3 MB, free: 8.684 MB / 394.7 MB Notification: Performance of FrontEnd - loaded program: time 0.001035/0.001035, allocations: 59.91 kB / 0.5618 GB, free: 71.04 MB / 426.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.138/0.139, allocations: 80.19 MB / 0.6402 GB, free: 6.777 MB / 442.7 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Examples.ResistanceVolumeFlowReversal): time 0.3482/0.4872, allocations: 80 MB / 0.7183 GB, free: 16.69 MB / 490.7 MB Notification: Performance of NFInst.instExpressions: time 0.02315/0.5104, allocations: 19.35 MB / 0.7372 GB, free: 7.891 MB / 490.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003886/0.5143, allocations: 98.41 kB / 0.7373 GB, free: 7.852 MB / 490.7 MB Notification: Performance of NFTyping.typeComponents: time 0.003048/0.5174, allocations: 0.9839 MB / 0.7382 GB, free: 7.32 MB / 490.7 MB Notification: Performance of NFTyping.typeBindings: time 0.007046/0.5245, allocations: 2.58 MB / 0.7407 GB, free: 5.84 MB / 490.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.006173/0.5307, allocations: 2.166 MB / 0.7429 GB, free: 4.621 MB / 490.7 MB Notification: Performance of NFFlatten.flatten: time 0.02376/0.5544, allocations: 20.85 MB / 0.7632 GB, free: 7.195 MB / 0.4948 GB Notification: Performance of NFFlatten.resolveConnections: time 0.009356/0.5638, allocations: 6.132 MB / 0.7692 GB, free: 0.9727 MB / 0.4948 GB Notification: Performance of NFEvalConstants.evaluate: time 0.009323/0.5732, allocations: 4.871 MB / 0.774 GB, free: 12.08 MB / 0.5105 GB Notification: Performance of NFSimplifyModel.simplify: time 0.007976/0.5812, allocations: 5.022 MB / 0.7789 GB, free: 7.039 MB / 0.5105 GB Notification: Performance of NFPackage.collectConstants: time 0.001525/0.5827, allocations: 320 kB / 0.7792 GB, free: 6.727 MB / 0.5105 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005329/0.5881, allocations: 1.56 MB / 0.7807 GB, free: 5.164 MB / 0.5105 GB Notification: Performance of NFScalarize.scalarize: time 0.002297/0.5904, allocations: 1.358 MB / 0.782 GB, free: 3.801 MB / 0.5105 GB Notification: Performance of NFVerifyModel.verify: time 0.005366/0.5958, allocations: 3 MB / 0.785 GB, free: 0.7852 MB / 0.5105 GB Notification: Performance of NFConvertDAE.convert: time 0.01106/0.6069, allocations: 8.744 MB / 0.7935 GB, free: 8.016 MB / 0.5261 GB Notification: Performance of FrontEnd - DAE generated: time 6.272e-06/0.6069, allocations: 0 / 0.7935 GB, free: 8.016 MB / 0.5261 GB Notification: Performance of FrontEnd: time 1.432e-06/0.6069, allocations: 0 / 0.7935 GB, free: 8.016 MB / 0.5261 GB Notification: Performance of Transformations before backend: time 0.0002971/0.6072, allocations: 0 / 0.7935 GB, free: 8.016 MB / 0.5261 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 0.01457/0.6218, allocations: 6.482 MB / 0.7998 GB, free: 1.441 MB / 0.5261 GB Notification: Performance of prepare preOptimizeDAE: time 3.716e-05/0.6219, allocations: 8.031 kB / 0.7998 GB, free: 1.434 MB / 0.5261 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.003543/0.6254, allocations: 0.825 MB / 0.8006 GB, free: 0.6016 MB / 0.5261 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01103/0.6364, allocations: 5.266 MB / 0.8058 GB, free: 11.25 MB / 0.5417 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0002063/0.6367, allocations: 255.1 kB / 0.806 GB, free: 11 MB / 0.5417 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0008091/0.6375, allocations: 352 kB / 0.8064 GB, free: 10.66 MB / 0.5417 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.009149/0.6467, allocations: 5.693 MB / 0.8119 GB, free: 4.727 MB / 0.5417 GB Notification: Performance of preOpt findStateOrder (simulation): time 5.905e-05/0.6467, allocations: 7.938 kB / 0.8119 GB, free: 4.719 MB / 0.5417 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000421/0.6472, allocations: 148 kB / 0.8121 GB, free: 4.574 MB / 0.5417 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 9.676e-05/0.6473, allocations: 121.9 kB / 0.8122 GB, free: 4.453 MB / 0.5417 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00871/0.656, allocations: 5.526 MB / 0.8176 GB, free: 14.91 MB / 0.5573 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 0.0318/0.6878, allocations: 23.77 MB / 0.8408 GB, free: 6.008 MB / 0.573 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004781/0.6926, allocations: 2.746 MB / 0.8435 GB, free: 3.258 MB / 0.573 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.00279/0.6954, allocations: 1.897 MB / 0.8453 GB, free: 1.355 MB / 0.573 GB Notification: Performance of preOpt evalFunc (simulation): time 0.01309/0.7085, allocations: 7.034 MB / 0.8522 GB, free: 10.01 MB / 0.5886 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003013/0.7116, allocations: 1.926 MB / 0.8541 GB, free: 8.066 MB / 0.5886 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.003999/0.7156, allocations: 1.192 MB / 0.8552 GB, free: 6.871 MB / 0.5886 GB Notification: Performance of pre-optimization done (n=156): time 6.302e-06/0.7156, allocations: 0 / 0.8552 GB, free: 6.871 MB / 0.5886 GB Notification: Performance of matching and sorting (n=156): time 0.02122/0.7369, allocations: 7.354 MB / 0.8624 GB, free: 15.44 MB / 0.6042 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.92e-05/0.7369, allocations: 80.59 kB / 0.8625 GB, free: 15.35 MB / 0.6042 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007307/0.7443, allocations: 4.894 MB / 0.8673 GB, free: 10.47 MB / 0.6042 GB Notification: Performance of collectPreVariables (initialization): time 0.000544/0.7448, allocations: 69.7 kB / 0.8673 GB, free: 10.39 MB / 0.6042 GB Notification: Performance of collectInitialEqns (initialization): time 0.002142/0.747, allocations: 2.451 MB / 0.8697 GB, free: 7.918 MB / 0.6042 GB Notification: Performance of collectInitialBindings (initialization): time 0.0008812/0.7479, allocations: 0.5547 MB / 0.8703 GB, free: 7.355 MB / 0.6042 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009447/0.7488, allocations: 0.5983 MB / 0.8709 GB, free: 6.75 MB / 0.6042 GB Notification: Performance of setup shared object (initialization): time 8.978e-05/0.7489, allocations: 309.1 kB / 0.8712 GB, free: 6.445 MB / 0.6042 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002707/0.7516, allocations: 1.671 MB / 0.8728 GB, free: 4.766 MB / 0.6042 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003484/0.7551, allocations: 2.862 MB / 0.8756 GB, free: 1.352 MB / 0.6042 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00662/0.7618, allocations: 4.574 MB / 0.88 GB, free: 12.31 MB / 0.6198 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.504e-05/0.7618, allocations: 8 kB / 0.8801 GB, free: 12.3 MB / 0.6198 GB Notification: Performance of matching and sorting (n=336) (initialization): time 0.01213/0.774, allocations: 6.059 MB / 0.886 GB, free: 6.211 MB / 0.6198 GB Notification: Performance of prepare postOptimizeDAE: time 6.703e-05/0.7741, allocations: 51.09 kB / 0.886 GB, free: 6.156 MB / 0.6198 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.589e-05/0.7741, allocations: 39.94 kB / 0.8861 GB, free: 6.117 MB / 0.6198 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.07481/0.8489, allocations: 12.02 MB / 0.8978 GB, free: 10.08 MB / 0.6355 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002988/0.852, allocations: 0.6474 MB / 0.8984 GB, free: 9.43 MB / 0.6355 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008453/0.8604, allocations: 5.032 MB / 0.9033 GB, free: 4.316 MB / 0.6355 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004707/0.8652, allocations: 328 kB / 0.9037 GB, free: 3.996 MB / 0.6355 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005748/0.8658, allocations: 163.9 kB / 0.9038 GB, free: 3.836 MB / 0.6355 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004937/0.8707, allocations: 2.921 MB / 0.9067 GB, free: 0.9062 MB / 0.6355 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003473/0.8742, allocations: 2.8 MB / 0.9094 GB, free: 13.55 MB / 0.6511 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.006218/0.8805, allocations: 4.429 MB / 0.9137 GB, free: 8.656 MB / 0.6511 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.727e-05/0.8805, allocations: 16 kB / 0.9137 GB, free: 8.641 MB / 0.6511 GB Notification: Performance of matching and sorting (n=336) (initialization_lambda0): time 0.01115/0.8917, allocations: 5.751 MB / 0.9194 GB, free: 2.859 MB / 0.6511 GB Notification: Performance of prepare postOptimizeDAE: time 7.043e-05/0.8918, allocations: 45.7 kB / 0.9194 GB, free: 2.809 MB / 0.6511 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.011e-05/0.8919, allocations: 40 kB / 0.9194 GB, free: 2.77 MB / 0.6511 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.07444/0.9663, allocations: 11.8 MB / 0.931 GB, free: 6.941 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002906/0.9693, allocations: 0.6397 MB / 0.9316 GB, free: 6.301 MB / 0.6667 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01173/0.981, allocations: 8.035 MB / 0.9394 GB, free: 13.96 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004712/0.9858, allocations: 324.4 kB / 0.9398 GB, free: 13.65 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00053/0.9863, allocations: 159.9 kB / 0.9399 GB, free: 13.49 MB / 0.6823 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 149 * 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 (285): * Single equations (assignments): 280 * 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 {(11,13), (10,11), (2,5)} Notification: Performance of prepare postOptimizeDAE: time 0.001066/0.9874, allocations: 363.4 kB / 0.9402 GB, free: 13.13 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001526/0.9889, allocations: 470.2 kB / 0.9407 GB, free: 12.66 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.008842/0.9978, allocations: 4.821 MB / 0.9454 GB, free: 7.816 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.696e-05/0.9979, allocations: 20 kB / 0.9454 GB, free: 7.797 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.017e-06/0.9979, allocations: 0 / 0.9454 GB, free: 7.797 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0208/1.019, allocations: 6.868 MB / 0.9521 GB, free: 0.6602 MB / 0.6823 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 postOpt removeSimpleEquations (simulation): time 0.3107/1.329, allocations: 12.95 MB / 0.9648 GB, free: 243.1 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.179e-05/1.329, allocations: 0 / 0.9648 GB, free: 243.1 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002435/1.332, allocations: 360.5 kB / 0.9651 GB, free: 243.1 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.07359/1.405, allocations: 12.03 MB / 0.9769 GB, free: 241.7 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005037/1.406, allocations: 52.56 kB / 0.9769 GB, free: 241.6 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.005964/1.412, allocations: 4.325 MB / 0.9811 GB, free: 238.7 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.256e-06/1.412, allocations: 0.9062 kB / 0.9811 GB, free: 238.7 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.7618/2.174, allocations: 148.4 MB / 1.126 GB, free: 95.09 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.003092/2.177, allocations: 0.9938 MB / 1.127 GB, free: 94.07 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.001178/2.178, allocations: 32.47 kB / 1.127 GB, free: 94.04 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003646/2.182, allocations: 256.8 kB / 1.127 GB, free: 93.8 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000429/2.182, allocations: 101.2 kB / 1.127 GB, free: 93.7 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003495/2.183, allocations: 87.92 kB / 1.128 GB, free: 93.61 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.005865/2.188, allocations: 3.354 MB / 1.131 GB, free: 90.27 MB / 0.6823 GB Notification: Performance of sort global known variables: time 2.51e-07/2.189, allocations: 0 / 1.131 GB, free: 90.27 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.01725/2.206, allocations: 4.519 MB / 1.135 GB, free: 85.93 MB / 0.6823 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 (128): * Single equations (assignments): 119 * 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 {(10,3), (2,5), (10,11)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001968/2.208, allocations: 0.5998 MB / 1.136 GB, free: 85.39 MB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.01535/2.223, allocations: 7.444 MB / 1.143 GB, free: 77.91 MB / 0.6823 GB Notification: Performance of simCode: created event and clocks part: time 7.684e-06/2.223, allocations: 3.938 kB / 1.143 GB, free: 77.9 MB / 0.6823 GB Notification: Performance of simCode: created simulation system equations: time 0.005348/2.229, allocations: 2.468 MB / 1.145 GB, free: 75.43 MB / 0.6823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01368/2.242, allocations: 2.733 MB / 1.148 GB, free: 72.74 MB / 0.6823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02432/2.267, allocations: 13.61 MB / 1.161 GB, free: 59.05 MB / 0.6823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.003103/2.27, allocations: 3.312 MB / 1.165 GB, free: 55.71 MB / 0.6823 GB Notification: Performance of simCode: alias equations: time 0.006145/2.276, allocations: 1.743 MB / 1.166 GB, free: 53.96 MB / 0.6823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00146/2.277, allocations: 363.2 kB / 1.167 GB, free: 53.6 MB / 0.6823 GB Notification: Performance of SimCode: time 5.41e-07/2.277, allocations: 0 / 1.167 GB, free: 53.6 MB / 0.6823 GB Notification: Performance of Templates: time 0.4245/2.702, allocations: 146.8 MB / 1.31 GB, free: 159.8 MB / 0.6823 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)