Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput.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 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/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 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: "" <> buildModelFMU(Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput,fileNamePrefix="Buildings_8_Buildings_Controls_OBC_CDL_Continuous_Validation_PIDInitialDerivativeOutput",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput,fileNamePrefix="Buildings_8_Buildings_Controls_OBC_CDL_Continuous_Validation_PIDInitialDerivativeOutput",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001397/0.001397, allocations: 101.4 kB / 15.7 MB, free: 28 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001721/0.001721, allocations: 197 kB / 16.64 MB, free: 6.582 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.557/1.557, allocations: 205.1 MB / 222.5 MB, free: 4.562 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.746/1.746, allocations: 292.3 MB / 0.549 GB, free: 12.77 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001591/0.001591, allocations: 69.64 kB / 0.6718 GB, free: 26.42 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2327/0.2343, allocations: 114.6 MB / 0.7837 GB, free: 13.26 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput): time 0.003005/0.2374, allocations: 1.835 MB / 0.7855 GB, free: 11.41 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.001596/0.239, allocations: 1.249 MB / 0.7867 GB, free: 10.15 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0002071/0.2392, allocations: 8 kB / 0.7867 GB, free: 10.14 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.0002162/0.2395, allocations: 67.27 kB / 0.7867 GB, free: 10.07 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.0002575/0.2397, allocations: 67.39 kB / 0.7868 GB, free: 10.01 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.0002686/0.24, allocations: 159.7 kB / 0.787 GB, free: 9.852 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.0004344/0.2405, allocations: 488.9 kB / 0.7874 GB, free: 9.371 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0003685/0.2408, allocations: 230.3 kB / 0.7876 GB, free: 9.141 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0001418/0.241, allocations: 167.3 kB / 0.7878 GB, free: 8.977 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0001936/0.2412, allocations: 187 kB / 0.788 GB, free: 8.793 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 6.195e-05/0.2413, allocations: 48 kB / 0.788 GB, free: 8.746 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 4.773e-05/0.2413, allocations: 52 kB / 0.7881 GB, free: 8.695 MB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 7.264e-05/0.2414, allocations: 99.67 kB / 0.7882 GB, free: 8.598 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.000135/0.2415, allocations: 202.8 kB / 0.7884 GB, free: 8.398 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.0004457/0.242, allocations: 0.5529 MB / 0.7889 GB, free: 7.844 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 3.687e-06/0.242, allocations: 0 / 0.7889 GB, free: 7.844 MB / 0.6075 GB Notification: Performance of FrontEnd: time 1.303e-06/0.242, allocations: 0 / 0.7889 GB, free: 7.844 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 7.574e-06/0.242, allocations: 0 / 0.7889 GB, free: 7.844 MB / 0.6075 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 82 * Number of variables: 82 Notification: Performance of Generate backend data structure: time 0.001086/0.2431, allocations: 0.7248 MB / 0.7896 GB, free: 7.066 MB / 0.6075 GB Notification: Performance of prepare preOptimizeDAE: time 4.113e-05/0.2432, allocations: 8.031 kB / 0.7896 GB, free: 7.059 MB / 0.6075 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 6.811e-05/0.2432, allocations: 74.72 kB / 0.7897 GB, free: 6.977 MB / 0.6075 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 8.327e-05/0.2433, allocations: 52.38 kB / 0.7897 GB, free: 6.926 MB / 0.6075 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0004716/0.2438, allocations: 363.8 kB / 0.7901 GB, free: 6.531 MB / 0.6075 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.306e-05/0.2438, allocations: 25.03 kB / 0.7901 GB, free: 6.508 MB / 0.6075 GB Notification: Performance of preOpt expandDerOperator (simulation): time 5.159e-05/0.2439, allocations: 40.31 kB / 0.7902 GB, free: 6.469 MB / 0.6075 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0005672/0.2445, allocations: 350.5 kB / 0.7905 GB, free: 6.113 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.233e-05/0.2445, allocations: 3.938 kB / 0.7905 GB, free: 6.109 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.817e-05/0.2445, allocations: 16 kB / 0.7905 GB, free: 6.094 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.297e-05/0.2446, allocations: 8 kB / 0.7905 GB, free: 6.086 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0004938/0.245, allocations: 254.4 kB / 0.7908 GB, free: 5.832 MB / 0.6075 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001675/0.2467, allocations: 1.251 MB / 0.792 GB, free: 4.512 MB / 0.6075 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0004954/0.2472, allocations: 190.8 kB / 0.7922 GB, free: 4.316 MB / 0.6075 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.000189/0.2474, allocations: 96.81 kB / 0.7923 GB, free: 4.219 MB / 0.6075 GB Notification: Performance of preOpt evalFunc (simulation): time 2.123e-05/0.2475, allocations: 0 / 0.7923 GB, free: 4.219 MB / 0.6075 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.735e-05/0.2475, allocations: 42.5 kB / 0.7923 GB, free: 4.168 MB / 0.6075 GB Notification: Performance of pre-optimization done (n=15): time 1.072e-06/0.2475, allocations: 0 / 0.7923 GB, free: 4.168 MB / 0.6075 GB Notification: Performance of matching and sorting (n=15): time 0.0006056/0.2481, allocations: 257.1 kB / 0.7925 GB, free: 3.91 MB / 0.6075 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.064e-05/0.2482, allocations: 110.8 kB / 0.7926 GB, free: 3.777 MB / 0.6075 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0004271/0.2486, allocations: 405.7 kB / 0.793 GB, free: 3.375 MB / 0.6075 GB Notification: Performance of collectPreVariables (initialization): time 2.686e-05/0.2487, allocations: 29.7 kB / 0.7931 GB, free: 3.34 MB / 0.6075 GB Notification: Performance of collectInitialEqns (initialization): time 0.0001486/0.2488, allocations: 247.8 kB / 0.7933 GB, free: 3.094 MB / 0.6075 GB Notification: Performance of collectInitialBindings (initialization): time 3.941e-05/0.2489, allocations: 63.12 kB / 0.7934 GB, free: 3.031 MB / 0.6075 GB Notification: Performance of simplifyInitialFunctions (initialization): time 8.751e-05/0.249, allocations: 49.7 kB / 0.7934 GB, free: 2.977 MB / 0.6075 GB Notification: Performance of setup shared object (initialization): time 0.0001139/0.2491, allocations: 350.7 kB / 0.7937 GB, free: 2.625 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002367/0.2493, allocations: 112.8 kB / 0.7938 GB, free: 2.512 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002579/0.2496, allocations: 173.3 kB / 0.794 GB, free: 2.309 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0004096/0.25, allocations: 245.3 kB / 0.7942 GB, free: 2.051 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.946e-06/0.25, allocations: 0 / 0.7942 GB, free: 2.051 MB / 0.6075 GB Notification: Performance of matching and sorting (n=32) (initialization): time 0.0005635/0.2506, allocations: 317 kB / 0.7945 GB, free: 1.734 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 1.564e-05/0.2506, allocations: 4 kB / 0.7946 GB, free: 1.73 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.447e-06/0.2506, allocations: 7.984 kB / 0.7946 GB, free: 1.723 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.326e-05/0.2506, allocations: 0 / 0.7946 GB, free: 1.723 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002538/0.2509, allocations: 72.05 kB / 0.7946 GB, free: 1.652 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.457e-06/0.2509, allocations: 11.88 kB / 0.7946 GB, free: 1.641 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000222/0.2511, allocations: 43.58 kB / 0.7947 GB, free: 1.598 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.019e-05/0.2512, allocations: 8 kB / 0.7947 GB, free: 1.59 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002119/0.2514, allocations: 192.1 kB / 0.7949 GB, free: 1.398 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.000165/0.2516, allocations: 155 kB / 0.795 GB, free: 1.215 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002298/0.2518, allocations: 200.8 kB / 0.7952 GB, free: 1 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.683e-06/0.2518, allocations: 0 / 0.7952 GB, free: 1 MB / 0.6075 GB Notification: Performance of matching and sorting (n=32) (initialization_lambda0): time 0.0003723/0.2522, allocations: 273 kB / 0.7955 GB, free: 0.7266 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 1.018e-05/0.2522, allocations: 8 kB / 0.7955 GB, free: 0.7188 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.504e-06/0.2522, allocations: 0 / 0.7955 GB, free: 0.7188 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 5.591e-06/0.2522, allocations: 4 kB / 0.7955 GB, free: 0.7148 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001873/0.2524, allocations: 47.92 kB / 0.7955 GB, free: 0.668 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.919e-06/0.2524, allocations: 4 kB / 0.7955 GB, free: 0.6641 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001885/0.2526, allocations: 39.88 kB / 0.7956 GB, free: 0.625 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.543e-05/0.2526, allocations: 12 kB / 0.7956 GB, free: 0.6133 MB / 0.6075 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 7 * Number of states: 0 () * Number of discrete variables: 1 (limPID.con1.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (32): * Single equations (assignments): 32 * 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 0.0001126/0.2528, allocations: 200.1 kB / 0.7958 GB, free: 420 kB / 0.6075 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.403e-05/0.2528, allocations: 31.62 kB / 0.7958 GB, free: 388 kB / 0.6075 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 7.601e-05/0.2529, allocations: 35.25 kB / 0.7958 GB, free: 348 kB / 0.6075 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.575e-06/0.2529, allocations: 0 / 0.7958 GB, free: 348 kB / 0.6075 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.581e-06/0.2529, allocations: 4 kB / 0.7958 GB, free: 344 kB / 0.6075 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.246e-06/0.2529, allocations: 0 / 0.7958 GB, free: 344 kB / 0.6075 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001125/0.2541, allocations: 0.6939 MB / 0.7965 GB, free: 15.58 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.305e-06/0.2541, allocations: 0 / 0.7965 GB, free: 15.58 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001736/0.2543, allocations: 39.91 kB / 0.7966 GB, free: 15.54 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 2.735e-06/0.2543, allocations: 0 / 0.7966 GB, free: 15.54 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.858e-05/0.2543, allocations: 12.06 kB / 0.7966 GB, free: 15.53 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.174e-06/0.2543, allocations: 0 / 0.7966 GB, free: 15.53 MB / 0.6231 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.575e-06/0.2543, allocations: 3.938 kB / 0.7966 GB, free: 15.53 MB / 0.6231 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006033/0.2549, allocations: 392.6 kB / 0.7969 GB, free: 15.12 MB / 0.6231 GB Notification: Performance of postOpt removeConstants (simulation): time 8.235e-05/0.255, allocations: 112.8 kB / 0.7971 GB, free: 14.99 MB / 0.6231 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.995e-05/0.2551, allocations: 4 kB / 0.7971 GB, free: 14.99 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001784/0.2552, allocations: 15.98 kB / 0.7971 GB, free: 14.97 MB / 0.6231 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 2.586e-05/0.2553, allocations: 19.86 kB / 0.7971 GB, free: 14.95 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.216e-05/0.2553, allocations: 7.938 kB / 0.7971 GB, free: 14.95 MB / 0.6231 GB Notification: Performance of sorting global known variables: time 0.0002938/0.2556, allocations: 291.2 kB / 0.7974 GB, free: 14.66 MB / 0.6231 GB Notification: Performance of sort global known variables: time 1.7e-07/0.2556, allocations: 4 kB / 0.7974 GB, free: 14.66 MB / 0.6231 GB Notification: Performance of remove unused functions: time 0.0004709/0.2561, allocations: 115.5 kB / 0.7975 GB, free: 14.54 MB / 0.6231 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 3 (limPID.I.y,limPID.D.x,limPD.D.x) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (15): * Single equations (assignments): 15 * 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 0.000883/0.257, allocations: 0.9399 MB / 0.7984 GB, free: 13.57 MB / 0.6231 GB Notification: Performance of simCode: created initialization part: time 0.0006432/0.2576, allocations: 326.9 kB / 0.7987 GB, free: 13.26 MB / 0.6231 GB Notification: Performance of simCode: created event and clocks part: time 5.089e-06/0.2576, allocations: 4.125 kB / 0.7987 GB, free: 13.25 MB / 0.6231 GB Notification: Performance of simCode: created simulation system equations: time 0.0001643/0.2578, allocations: 79.83 kB / 0.7988 GB, free: 13.18 MB / 0.6231 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0005336/0.2584, allocations: 69.45 kB / 0.7989 GB, free: 13.11 MB / 0.6231 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004384/0.2627, allocations: 3.303 MB / 0.8021 GB, free: 9.676 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003345/0.2631, allocations: 0.7879 MB / 0.8029 GB, free: 8.863 MB / 0.6231 GB Notification: Performance of simCode: alias equations: time 0.0001639/0.2633, allocations: 39.19 kB / 0.8029 GB, free: 8.828 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001757/0.2635, allocations: 127.4 kB / 0.803 GB, free: 8.703 MB / 0.6231 GB Notification: Performance of SimCode: time 6.32e-07/0.2635, allocations: 4 kB / 0.803 GB, free: 8.699 MB / 0.6231 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02374/0.2872, allocations: 6.598 MB / 0.8095 GB, free: 2.281 MB / 0.6231 GB Notification: Performance of buildModelFMU: Generate platform static: time 8.018/8.305, allocations: 3.5 kB / 0.8095 GB, free: 2.281 MB / 0.6231 GB (rm -f Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput.pipe ; mkfifo Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput.pipe ; head -c 1048576 < Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput.pipe >> ../files/Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Controls_OBC_CDL_Continuous_Validation_PIDInitialDerivativeOutput_fmu --startTime=0 --stopTime=0.2 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Controls_OBC_CDL_Continuous_Validation_PIDInitialDerivativeOutput.fmu > Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Validation.PIDInitialDerivativeOutput.pipe 2>&1)