Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.7.0.x_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo) Running command: translateModel(Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed") translateModel(Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.7.0.x_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.3-maint.7.0.x/package.mo): time 1.51/1.51, allocations: 252 MB / 267.6 MB, free: 10.89 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.000999/0.000999, allocations: 181.2 kB / 327.3 MB, free: 2.176 MB / 250.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.895/1.895, allocations: 205.4 MB / 0.5783 GB, free: 20.16 MB / 426.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008547/0.0008546, allocations: 81.5 kB / 0.6829 GB, free: 12.84 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 0.0003605/0.0003605, allocations: 12.41 kB / 0.797 GB, free: 135.2 MB / 0.6042 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2276/0.228, allocations: 106.3 MB / 0.9008 GB, free: 63.86 MB / 0.6042 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed): time 0.04436/0.2724, allocations: 64.51 MB / 0.9638 GB, free: 15.17 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.02144/0.2939, allocations: 13.78 MB / 0.9773 GB, free: 1.367 MB / 0.6198 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.00503/0.299, allocations: 59.62 kB / 0.9773 GB, free: 1.309 MB / 0.6198 GB Notification: Performance of NFTyping.typeComponents: time 0.003944/0.303, allocations: 0.6366 MB / 0.978 GB, free: 0.668 MB / 0.6198 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Fluid/Sources.mo:788:36-789:54:writable] Warning: 'each' used when modifying non-array element m_flow. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Fluid/Sources.mo:786:36-787:54:writable] Warning: 'each' used when modifying non-array element m_flow. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Fluid/Sources.mo:788:36-789:54:writable] Warning: 'each' used when modifying non-array element m_flow. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/Fluid/Sources.mo:786:36-787:54:writable] Warning: 'each' used when modifying non-array element m_flow. Notification: Performance of NFTyping.typeBindings: time 0.008009/0.3111, allocations: 2.002 MB / 0.9799 GB, free: 14.66 MB / 0.6355 GB Notification: Performance of NFTyping.typeClassSections: time 0.005258/0.3163, allocations: 1.454 MB / 0.9813 GB, free: 13.22 MB / 0.6355 GB Notification: Performance of NFFlatten.flatten: time 0.007673/0.324, allocations: 5.089 MB / 0.9863 GB, free: 8.121 MB / 0.6355 GB Notification: Performance of NFFlatten.resolveConnections: time 0.00245/0.3265, allocations: 1.148 MB / 0.9874 GB, free: 6.941 MB / 0.6355 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003818/0.3304, allocations: 1.384 MB / 0.9888 GB, free: 5.551 MB / 0.6355 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00239/0.3328, allocations: 1.136 MB / 0.9899 GB, free: 4.41 MB / 0.6355 GB Notification: Performance of NFPackage.collectConstants: time 0.0002743/0.3331, allocations: 68 kB / 0.99 GB, free: 4.344 MB / 0.6355 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004349/0.3374, allocations: 1.516 MB / 0.9914 GB, free: 2.828 MB / 0.6355 GB Notification: Performance of NFScalarize.scalarize: time 0.0005587/0.338, allocations: 314.6 kB / 0.9917 GB, free: 2.52 MB / 0.6355 GB Notification: Performance of NFVerifyModel.verify: time 0.001036/0.339, allocations: 396.8 kB / 0.9921 GB, free: 2.125 MB / 0.6355 GB Notification: Performance of NFConvertDAE.convert: time 0.004588/0.3436, allocations: 2.646 MB / 0.9947 GB, free: 15.47 MB / 0.6511 GB Notification: Performance of FrontEnd - DAE generated: time 7.243e-06/0.3437, allocations: 4 kB / 0.9947 GB, free: 15.47 MB / 0.6511 GB Notification: Performance of FrontEnd: time 2.064e-06/0.3437, allocations: 0 / 0.9947 GB, free: 15.47 MB / 0.6511 GB Notification: Performance of Transformations before backend: time 5.494e-05/0.3437, allocations: 0 / 0.9947 GB, free: 15.47 MB / 0.6511 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 296 * Number of variables: 296 Notification: Performance of Generate backend data structure: time 0.004421/0.3482, allocations: 2.04 MB / 0.9967 GB, free: 13.36 MB / 0.6511 GB Notification: Performance of prepare preOptimizeDAE: time 4.816e-05/0.3482, allocations: 8.031 kB / 0.9967 GB, free: 13.35 MB / 0.6511 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005156/0.3534, allocations: 0.6925 MB / 0.9974 GB, free: 12.65 MB / 0.6511 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003011/0.3564, allocations: 1.499 MB / 0.9988 GB, free: 11.1 MB / 0.6511 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001541/0.3566, allocations: 128 kB / 0.999 GB, free: 10.96 MB / 0.6511 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001983/0.3568, allocations: 124 kB / 0.9991 GB, free: 10.84 MB / 0.6511 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00395/0.3608, allocations: 1.636 MB / 1.001 GB, free: 9.117 MB / 0.6511 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.378e-05/0.3608, allocations: 11.92 kB / 1.001 GB, free: 9.105 MB / 0.6511 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001379/0.361, allocations: 48 kB / 1.001 GB, free: 9.059 MB / 0.6511 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.453e-05/0.361, allocations: 35.94 kB / 1.001 GB, free: 9.023 MB / 0.6511 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004501/0.3655, allocations: 1.492 MB / 1.002 GB, free: 7.523 MB / 0.6511 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 0.01077/0.3763, allocations: 6.984 MB / 1.009 GB, free: 204 kB / 0.6511 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002373/0.3787, allocations: 0.7874 MB / 1.01 GB, free: 15.4 MB / 0.6667 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001611/0.3804, allocations: 0.5022 MB / 1.01 GB, free: 14.89 MB / 0.6667 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001422/0.3818, allocations: 1.274 MB / 1.012 GB, free: 13.34 MB / 0.6667 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001961/0.3838, allocations: 0.648 MB / 1.012 GB, free: 12.66 MB / 0.6667 GB Notification: Performance of pre-optimization done (n=69): time 2.685e-06/0.3838, allocations: 0 / 1.012 GB, free: 12.66 MB / 0.6667 GB Notification: Performance of matching and sorting (n=69): time 0.01057/0.3944, allocations: 2.166 MB / 1.014 GB, free: 10.46 MB / 0.6667 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001801/0.3946, allocations: 324.9 kB / 1.015 GB, free: 10.07 MB / 0.6667 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002361/0.397, allocations: 1.364 MB / 1.016 GB, free: 8.695 MB / 0.6667 GB Notification: Performance of collectPreVariables (initialization): time 0.0002128/0.3972, allocations: 45.7 kB / 1.016 GB, free: 8.645 MB / 0.6667 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006674/0.3979, allocations: 0.6958 MB / 1.017 GB, free: 7.941 MB / 0.6667 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002989/0.3982, allocations: 248.5 kB / 1.017 GB, free: 7.695 MB / 0.6667 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.464e-05/0.3983, allocations: 16 kB / 1.017 GB, free: 7.68 MB / 0.6667 GB Notification: Performance of setup shared object (initialization): time 0.0001548/0.3984, allocations: 345.9 kB / 1.017 GB, free: 7.336 MB / 0.6667 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001957/0.4004, allocations: 0.525 MB / 1.018 GB, free: 6.812 MB / 0.6667 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002211/0.4026, allocations: 0.8337 MB / 1.019 GB, free: 5.852 MB / 0.6667 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002005/0.4046, allocations: 0.6025 MB / 1.019 GB, free: 5.25 MB / 0.6667 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.7e-06/0.4046, allocations: 4 kB / 1.019 GB, free: 5.246 MB / 0.6667 GB Notification: Performance of matching and sorting (n=117) (initialization): time 0.00788/0.4125, allocations: 1.833 MB / 1.021 GB, free: 3.395 MB / 0.6667 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002935/0.4129, allocations: 314.1 kB / 1.021 GB, free: 2.988 MB / 0.6667 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.704e-05/0.4129, allocations: 7.984 kB / 1.021 GB, free: 2.98 MB / 0.6667 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001355/0.4143, allocations: 345.1 kB / 1.022 GB, free: 2.645 MB / 0.6667 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001523/0.4158, allocations: 279.5 kB / 1.022 GB, free: 2.371 MB / 0.6667 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001217/0.417, allocations: 0.9001 MB / 1.023 GB, free: 1.445 MB / 0.6667 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002693/0.4197, allocations: 290.5 kB / 1.023 GB, free: 1.16 MB / 0.6667 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001333/0.4199, allocations: 55.94 kB / 1.023 GB, free: 1.105 MB / 0.6667 GB Notification: Performance of prepare postOptimizeDAE: time 1.18e-05/0.4199, allocations: 4 kB / 1.023 GB, free: 1.102 MB / 0.6667 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.007123/0.427, allocations: 1.684 MB / 1.025 GB, free: 15.41 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.92e-05/0.4271, allocations: 4 kB / 1.025 GB, free: 15.4 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001172/0.4283, allocations: 349.4 kB / 1.025 GB, free: 15.07 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001494/0.4298, allocations: 279.5 kB / 1.025 GB, free: 14.79 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001198/0.431, allocations: 0.9001 MB / 1.026 GB, free: 13.87 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002428/0.4334, allocations: 264.9 kB / 1.026 GB, free: 13.61 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001159/0.4336, allocations: 51.95 kB / 1.026 GB, free: 13.56 MB / 0.6823 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 28 * Number of states: 0 () * Number of discrete variables: 7 ($whenCondition1,$PRE.heaPum.com.isOn,heaPum.com.isOn,$PRE.N.T_start,N.T_start,$PRE.N.count,N.count) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (98): * Single equations (assignments): 96 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {2 17} Notification: Performance of prepare postOptimizeDAE: time 0.0009058/0.4345, allocations: 460.8 kB / 1.027 GB, free: 13.1 MB / 0.6823 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003018/0.4348, allocations: 150.2 kB / 1.027 GB, free: 12.95 MB / 0.6823 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004019/0.4388, allocations: 1.277 MB / 1.028 GB, free: 11.66 MB / 0.6823 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.544e-05/0.4388, allocations: 8.094 kB / 1.028 GB, free: 11.65 MB / 0.6823 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.867e-06/0.4389, allocations: 4.25 kB / 1.028 GB, free: 11.64 MB / 0.6823 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003429/0.4423, allocations: 1.088 MB / 1.029 GB, free: 10.52 MB / 0.6823 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007429/0.4497, allocations: 3.31 MB / 1.033 GB, free: 7.086 MB / 0.6823 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.036e-05/0.4498, allocations: 4.375 kB / 1.033 GB, free: 7.082 MB / 0.6823 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001014/0.4508, allocations: 171.7 kB / 1.033 GB, free: 6.914 MB / 0.6823 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.001199/0.452, allocations: 346.7 kB / 1.033 GB, free: 6.578 MB / 0.6823 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.575e-05/0.4521, allocations: 23.97 kB / 1.033 GB, free: 6.555 MB / 0.6823 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001138/0.4532, allocations: 0.8923 MB / 1.034 GB, free: 5.637 MB / 0.6823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.969e-06/0.4533, allocations: 8 kB / 1.034 GB, free: 5.629 MB / 0.6823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005847/0.4591, allocations: 1.972 MB / 1.036 GB, free: 3.582 MB / 0.6823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001005/0.4602, allocations: 383 kB / 1.036 GB, free: 3.188 MB / 0.6823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002227/0.4604, allocations: 19.98 kB / 1.036 GB, free: 3.168 MB / 0.6823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001716/0.4621, allocations: 166.2 kB / 1.037 GB, free: 3.008 MB / 0.6823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001899/0.4623, allocations: 72.23 kB / 1.037 GB, free: 2.934 MB / 0.6823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.866e-05/0.4624, allocations: 39.97 kB / 1.037 GB, free: 2.895 MB / 0.6823 GB Notification: Performance of sorting global known variables: time 0.001688/0.4641, allocations: 0.9782 MB / 1.038 GB, free: 1.918 MB / 0.6823 GB Notification: Performance of sort global known variables: time 1.71e-07/0.4641, allocations: 0 / 1.038 GB, free: 1.918 MB / 0.6823 GB Notification: Performance of remove unused functions: time 0.002707/0.4668, allocations: 0.9359 MB / 1.038 GB, free: 0.9805 MB / 0.6823 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 19 * Number of states: 2 (heaPum.con.vol.dynBal.U,heaPum.eva.vol.dynBal.U) * Number of discrete variables: 4 ($whenCondition1,heaPum.com.isOn,N.T_start,N.count) * Number of discrete states: 2 (N.count,heaPum.com.isOn) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (51): * Single equations (assignments): 46 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 2 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {2 17} Notification: Performance of Backend phase and start with SimCode phase: time 0.001272/0.4681, allocations: 0.5852 MB / 1.039 GB, free: 408 kB / 0.6823 GB Notification: Performance of simCode: created initialization part: time 0.006584/0.4747, allocations: 2.008 MB / 1.041 GB, free: 14.37 MB / 0.698 GB Notification: Performance of simCode: created event and clocks part: time 8.125e-06/0.4748, allocations: 64 / 1.041 GB, free: 14.37 MB / 0.698 GB Notification: Performance of simCode: created simulation system equations: time 0.00191/0.4767, allocations: 0.5521 MB / 1.042 GB, free: 13.82 MB / 0.698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004325/0.481, allocations: 0.7971 MB / 1.042 GB, free: 13.03 MB / 0.698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006297/0.4873, allocations: 3.205 MB / 1.045 GB, free: 9.734 MB / 0.698 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009366/0.4883, allocations: 1.199 MB / 1.047 GB, free: 8.508 MB / 0.698 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000632/0.489, allocations: 155.3 kB / 1.047 GB, free: 8.355 MB / 0.698 GB Notification: Performance of SimCode: time 1.272e-06/0.489, allocations: 0 / 1.047 GB, free: 8.355 MB / 0.698 GB Notification: Performance of Templates: time 0.4453/0.9343, allocations: 36.64 MB / 1.083 GB, free: 133.6 MB / 0.698 GB make -j1 -f Buildings_maint.7.0.x_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.makefile (rm -f Buildings_maint.7.0.x_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.pipe ; mkfifo Buildings_maint.7.0.x_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.pipe ; head -c 1048576 < Buildings_maint.7.0.x_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.pipe >> ../files/Buildings_maint.7.0.x_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.sim & ./Buildings_maint.7.0.x_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.7.0.x_Buildings.Fluid.HeatPumps.Validation.ReciprocatingWaterToWater_VariableSpeed.pipe 2>&1)