Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/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/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 Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package Buildings with version 10.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo) Running command: translateModel(Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor") translateModel(Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 10.0.0-master/package.mo): time 2.318/2.318, allocations: 391.2 MB / 407 MB, free: 10.91 MB / 314.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001229/0.001229, allocations: 197.3 kB / 499.1 MB, free: 4.676 MB / 394.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.556/1.556, allocations: 222.9 MB / 0.7948 GB, free: 15.8 MB / 0.5573 GB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001057/0.001057, allocations: 110.6 kB / 0.9329 GB, free: 7.043 MB / 0.6823 GB Notification: Performance of FrontEnd - loaded program: time 0.001089/0.001089, allocations: 51.61 kB / 1.081 GB, free: 218.1 MB / 0.823 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2544/0.2555, allocations: 140.6 MB / 1.218 GB, free: 117.2 MB / 0.823 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor): time 0.08808/0.3437, allocations: 130 MB / 1.345 GB, free: 2.746 MB / 0.8386 GB Notification: Performance of NFInst.instExpressions: time 0.03567/0.3794, allocations: 25.22 MB / 1.37 GB, free: 9.461 MB / 0.8698 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.005554/0.385, allocations: 131.2 kB / 1.37 GB, free: 9.332 MB / 0.8698 GB Notification: Performance of NFTyping.typeComponents: time 0.005342/0.3904, allocations: 1.414 MB / 1.371 GB, free: 7.91 MB / 0.8698 GB Notification: Performance of NFTyping.typeBindings: time 0.01373/0.4042, allocations: 4.162 MB / 1.375 GB, free: 3.734 MB / 0.8698 GB Notification: Performance of NFTyping.typeClassSections: time 0.009621/0.4138, allocations: 3.19 MB / 1.378 GB, free: 0.5742 MB / 0.8698 GB Notification: Performance of NFFlatten.flatten: time 0.01469/0.4285, allocations: 11.5 MB / 1.39 GB, free: 5.051 MB / 0.8855 GB Notification: Performance of NFFlatten.resolveConnections: time 0.005516/0.4341, allocations: 2.601 MB / 1.392 GB, free: 2.387 MB / 0.8855 GB Notification: Performance of NFEvalConstants.evaluate: time 0.007048/0.4411, allocations: 2.89 MB / 1.395 GB, free: 15.48 MB / 0.9011 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00472/0.4459, allocations: 2.43 MB / 1.397 GB, free: 13.04 MB / 0.9011 GB Notification: Performance of NFPackage.collectConstants: time 0.001188/0.4471, allocations: 172 kB / 1.398 GB, free: 12.88 MB / 0.9011 GB Notification: Performance of NFFlatten.collectFunctions: time 0.007136/0.4543, allocations: 2.509 MB / 1.4 GB, free: 10.36 MB / 0.9011 GB Notification: Performance of NFScalarize.scalarize: time 0.001464/0.4558, allocations: 0.6924 MB / 1.401 GB, free: 9.668 MB / 0.9011 GB Notification: Performance of NFVerifyModel.verify: time 0.004033/0.4598, allocations: 1.78 MB / 1.402 GB, free: 7.879 MB / 0.9011 GB Notification: Performance of NFConvertDAE.convert: time 0.01077/0.4706, allocations: 6.19 MB / 1.408 GB, free: 1.672 MB / 0.9011 GB Notification: Performance of FrontEnd - DAE generated: time 6.572e-06/0.4706, allocations: 0 / 1.408 GB, free: 1.672 MB / 0.9011 GB Notification: Performance of FrontEnd: time 1.222e-06/0.4706, allocations: 3.938 kB / 1.408 GB, free: 1.668 MB / 0.9011 GB Notification: Performance of Transformations before backend: time 0.0001881/0.4708, allocations: 0 / 1.408 GB, free: 1.668 MB / 0.9011 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 581 * Number of variables: 581 Notification: Performance of Generate backend data structure: time 0.01177/0.4826, allocations: 4.083 MB / 1.412 GB, free: 13.48 MB / 0.9167 GB Notification: Performance of prepare preOptimizeDAE: time 5.58e-05/0.4827, allocations: 15.98 kB / 1.412 GB, free: 13.46 MB / 0.9167 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01127/0.494, allocations: 1.373 MB / 1.414 GB, free: 12.09 MB / 0.9167 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.006569/0.5006, allocations: 2.945 MB / 1.417 GB, free: 9.062 MB / 0.9167 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0003888/0.501, allocations: 248 kB / 1.417 GB, free: 8.805 MB / 0.9167 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0007883/0.5018, allocations: 243.9 kB / 1.417 GB, free: 8.566 MB / 0.9167 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.009187/0.511, allocations: 3.205 MB / 1.42 GB, free: 5.18 MB / 0.9167 GB Notification: Performance of preOpt findStateOrder (simulation): time 7.577e-05/0.5111, allocations: 7.938 kB / 1.42 GB, free: 5.172 MB / 0.9167 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0005393/0.5117, allocations: 104 kB / 1.42 GB, free: 5.07 MB / 0.9167 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.762e-05/0.5118, allocations: 67.98 kB / 1.42 GB, free: 5.004 MB / 0.9167 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.009733/0.5215, allocations: 2.839 MB / 1.423 GB, free: 2.148 MB / 0.9167 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 0.5146/1.036, allocations: 13.41 MB / 1.436 GB, free: 188.7 MB / 0.9167 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004348/1.041, allocations: 1.502 MB / 1.438 GB, free: 188.2 MB / 0.9167 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.003169/1.044, allocations: 0.9305 MB / 1.439 GB, free: 187.9 MB / 0.9167 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001421/1.045, allocations: 1.781 MB / 1.44 GB, free: 185.9 MB / 0.9167 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.003749/1.049, allocations: 1.211 MB / 1.442 GB, free: 185.4 MB / 0.9167 GB Notification: Performance of pre-optimization done (n=130): time 4.208e-06/1.049, allocations: 1.641 kB / 1.442 GB, free: 185.4 MB / 0.9167 GB Notification: Performance of matching and sorting (n=130): time 0.03929/1.088, allocations: 5.836 MB / 1.447 GB, free: 184.2 MB / 0.9167 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001294/1.088, allocations: 0.573 MB / 1.448 GB, free: 183.5 MB / 0.9167 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003979/1.092, allocations: 2.503 MB / 1.45 GB, free: 182.6 MB / 0.9167 GB Notification: Performance of collectPreVariables (initialization): time 0.0003232/1.093, allocations: 64.14 kB / 1.45 GB, free: 182.5 MB / 0.9167 GB Notification: Performance of collectInitialEqns (initialization): time 0.0009187/1.094, allocations: 1.342 MB / 1.452 GB, free: 181.5 MB / 0.9167 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003832/1.094, allocations: 460.8 kB / 1.452 GB, free: 181.2 MB / 0.9167 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007062/1.095, allocations: 465.6 kB / 1.453 GB, free: 181 MB / 0.9167 GB Notification: Performance of setup shared object (initialization): time 4.098e-05/1.095, allocations: 306.1 kB / 1.453 GB, free: 180.7 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.003443/1.098, allocations: 1.013 MB / 1.454 GB, free: 180.4 MB / 0.9167 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003715/1.102, allocations: 1.585 MB / 1.455 GB, free: 179.3 MB / 0.9167 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.006175/1.108, allocations: 2.271 MB / 1.458 GB, free: 177.8 MB / 0.9167 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.207e-06/1.108, allocations: 3.969 kB / 1.458 GB, free: 177.8 MB / 0.9167 GB Notification: Performance of matching and sorting (n=227) (initialization): time 0.02219/1.13, allocations: 4.116 MB / 1.462 GB, free: 175.8 MB / 0.9167 GB Notification: Performance of prepare postOptimizeDAE: time 5.819e-05/1.13, allocations: 37.14 kB / 1.462 GB, free: 175.7 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.965e-05/1.131, allocations: 11.5 kB / 1.462 GB, free: 175.7 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.003172/1.134, allocations: 0.9511 MB / 1.463 GB, free: 175.3 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002572/1.136, allocations: 498.1 kB / 1.463 GB, free: 175.2 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002803/1.139, allocations: 1.988 MB / 1.465 GB, free: 173.6 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004573/1.144, allocations: 0.4975 MB / 1.465 GB, free: 173.4 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002262/1.144, allocations: 106.1 kB / 1.466 GB, free: 173.3 MB / 0.9167 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004213/1.148, allocations: 1.507 MB / 1.467 GB, free: 172.5 MB / 0.9167 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003635/1.152, allocations: 1.565 MB / 1.469 GB, free: 171.3 MB / 0.9167 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.006813/1.159, allocations: 2.244 MB / 1.471 GB, free: 169.8 MB / 0.9167 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.3e-05/1.159, allocations: 3.594 kB / 1.471 GB, free: 169.8 MB / 0.9167 GB Notification: Performance of matching and sorting (n=227) (initialization_lambda0): time 0.0216/1.18, allocations: 4.083 MB / 1.475 GB, free: 167.2 MB / 0.9167 GB Notification: Performance of prepare postOptimizeDAE: time 4.774e-05/1.18, allocations: 39.11 kB / 1.475 GB, free: 167.1 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.526e-05/1.18, allocations: 12 kB / 1.475 GB, free: 167.1 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002974/1.183, allocations: 0.9478 MB / 1.476 GB, free: 166.2 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002665/1.186, allocations: 495.1 kB / 1.476 GB, free: 165.7 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002697/1.189, allocations: 1.982 MB / 1.478 GB, free: 163.7 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00498/1.194, allocations: 449.3 kB / 1.479 GB, free: 163.2 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002798/1.194, allocations: 107.9 kB / 1.479 GB, free: 163.1 MB / 0.9167 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 53 * Number of states: 0 () * Number of discrete variables: 10 (realToInteger.y,N.count,$PRE.N.count,N.T_start,$PRE.N.T_start,heaPum1.com.isOn,$PRE.heaPum1.com.isOn,heaPum.com.isOn,$PRE.heaPum.com.isOn,$whenCondition1) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (186): * Single equations (assignments): 183 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(2,19), (2,19)} Notification: Performance of prepare postOptimizeDAE: time 0.0006834/1.195, allocations: 303.7 kB / 1.479 GB, free: 162.8 MB / 0.9167 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006963/1.195, allocations: 272.7 kB / 1.479 GB, free: 162.6 MB / 0.9167 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01019/1.206, allocations: 2.529 MB / 1.482 GB, free: 160 MB / 0.9167 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.448e-05/1.206, allocations: 12 kB / 1.482 GB, free: 160 MB / 0.9167 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.066e-05/1.206, allocations: 4 kB / 1.482 GB, free: 160 MB / 0.9167 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.009148/1.215, allocations: 2.127 MB / 1.484 GB, free: 157.8 MB / 0.9167 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02492/1.24, allocations: 7.483 MB / 1.491 GB, free: 150.2 MB / 0.9167 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.357e-05/1.24, allocations: 8 kB / 1.491 GB, free: 150.2 MB / 0.9167 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001684/1.242, allocations: 284.2 kB / 1.491 GB, free: 149.9 MB / 0.9167 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.002884/1.245, allocations: 0.9243 MB / 1.492 GB, free: 149 MB / 0.9167 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001916/1.245, allocations: 55.94 kB / 1.492 GB, free: 148.9 MB / 0.9167 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002803/1.248, allocations: 1.97 MB / 1.494 GB, free: 146.9 MB / 0.9167 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.953e-06/1.248, allocations: 15.81 kB / 1.494 GB, free: 146.9 MB / 0.9167 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.2175/1.465, allocations: 48.45 MB / 1.542 GB, free: 97.46 MB / 0.9167 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001162/1.466, allocations: 0.5949 MB / 1.542 GB, free: 96.84 MB / 0.9167 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003998/1.467, allocations: 40 kB / 1.542 GB, free: 96.8 MB / 0.9167 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.003076/1.47, allocations: 283.5 kB / 1.542 GB, free: 96.53 MB / 0.9167 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001892/1.47, allocations: 112.7 kB / 1.543 GB, free: 96.42 MB / 0.9167 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001316/1.47, allocations: 75.92 kB / 1.543 GB, free: 96.34 MB / 0.9167 GB Notification: Performance of sorting global known variables: time 0.002431/1.473, allocations: 1.759 MB / 1.544 GB, free: 94.58 MB / 0.9167 GB Notification: Performance of sort global known variables: time 1.6e-07/1.473, allocations: 0 / 1.544 GB, free: 94.58 MB / 0.9167 GB Notification: Performance of remove unused functions: time 0.008007/1.481, allocations: 2.742 MB / 1.547 GB, free: 91.91 MB / 0.9167 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 33 * Number of states: 4 (heaPum.con.vol.dynBal.U,heaPum.eva.vol.dynBal.U,heaPum1.con.vol.dynBal.U,heaPum1.eva.vol.dynBal.U) * Number of discrete variables: 6 ($whenCondition1,heaPum.com.isOn,heaPum1.com.isOn,N.T_start,N.count,realToInteger.y) * Number of discrete states: 3 (N.count,heaPum1.com.isOn,heaPum.com.isOn) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (88): * Single equations (assignments): 82 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(2,19), (2,19)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002421/1.483, allocations: 0.9826 MB / 1.548 GB, free: 91.07 MB / 0.9167 GB Notification: Performance of simCode: created initialization part: time 0.01177/1.495, allocations: 3.689 MB / 1.552 GB, free: 87.36 MB / 0.9167 GB Notification: Performance of simCode: created event and clocks part: time 2.294e-05/1.495, allocations: 4.438 kB / 1.552 GB, free: 87.36 MB / 0.9167 GB Notification: Performance of simCode: created simulation system equations: time 0.003581/1.498, allocations: 1.076 MB / 1.553 GB, free: 86.29 MB / 0.9167 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006612/1.505, allocations: 1.391 MB / 1.554 GB, free: 84.92 MB / 0.9167 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01104/1.516, allocations: 7.356 MB / 1.561 GB, free: 77.41 MB / 0.9167 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001012/1.517, allocations: 1.769 MB / 1.563 GB, free: 75.61 MB / 0.9167 GB Notification: Performance of simCode: alias equations: time 0.003662/1.521, allocations: 0.7051 MB / 1.564 GB, free: 74.91 MB / 0.9167 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006611/1.522, allocations: 243.3 kB / 1.564 GB, free: 74.68 MB / 0.9167 GB Notification: Performance of SimCode: time 9.72e-07/1.522, allocations: 7.938 kB / 1.564 GB, free: 74.67 MB / 0.9167 GB Notification: Performance of Templates: time 0.1109/1.632, allocations: 89.83 MB / 1.652 GB, free: 1.469 MB / 0.9323 GB make -j1 -f Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor.makefile (rm -f Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor.pipe ; mkfifo Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor.pipe >> ../files/Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor.sim & ./Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_latest_Buildings.Fluid.HeatPumps.Validation.ScrollWaterToWater_ScalingFactor.pipe 2>&1)