Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Movers.Validation.PumpCurveDerivatives.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-master/package.mo", uses=false)
Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/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.Movers.Validation.PumpCurveDerivatives,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Movers.Validation.PumpCurveDerivatives")
translateModel(IDEAS.Fluid.Movers.Validation.PumpCurveDerivatives,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_dev_IDEAS.Fluid.Movers.Validation.PumpCurveDerivatives")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001077/0.001076, allocations: 102.4 kB / 16.35 MB, free: 5.875 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001287/0.001287, allocations: 191 kB / 17.29 MB, free: 5.516 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.274/1.274, allocations: 222.9 MB / 241 MB, free: 14.98 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.7467/0.7467, allocations: 135.1 MB / 426.3 MB, free: 4.133 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001248/0.001248, allocations: 63.88 kB / 0.5067 GB, free: 7.691 MB / 430.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2967/0.298, allocations: 80.91 MB / 0.5858 GB, free: 25.66 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Movers.Validation.PumpCurveDerivatives): time 0.06107/0.3591, allocations: 78.02 MB / 0.662 GB, free: 12.35 MB / 0.4981 GB
Notification: Performance of NFInst.instExpressions: time 0.03108/0.3902, allocations: 25.9 MB / 0.6872 GB, free: 2.383 MB / 0.5137 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.003342/0.3936, allocations: 119.4 kB / 0.6874 GB, free: 2.266 MB / 0.5137 GB
Notification: Performance of NFTyping.typeComponents: time 0.00388/0.3975, allocations: 1.658 MB / 0.689 GB, free: 0.6016 MB / 0.5137 GB
Notification: Performance of NFTyping.typeBindings: time 0.007701/0.4053, allocations: 3.471 MB / 0.6924 GB, free: 13.12 MB / 0.5294 GB
Notification: Performance of NFTyping.typeClassSections: time 0.006591/0.4119, allocations: 2.964 MB / 0.6953 GB, free: 10.18 MB / 0.5294 GB
Notification: Performance of NFFlatten.flatten: time 0.009333/0.4212, allocations: 6.99 MB / 0.7021 GB, free: 3.172 MB / 0.5294 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003665/0.4249, allocations: 2.644 MB / 0.7047 GB, free: 476 kB / 0.5294 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.005588/0.4305, allocations: 2.961 MB / 0.7076 GB, free: 13.5 MB / 0.545 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002744/0.4333, allocations: 2.221 MB / 0.7097 GB, free: 11.27 MB / 0.545 GB
Notification: Performance of NFPackage.collectConstants: time 0.0004463/0.4337, allocations: 312 kB / 0.71 GB, free: 10.97 MB / 0.545 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.003818/0.4375, allocations: 2.157 MB / 0.7121 GB, free: 8.809 MB / 0.545 GB
Notification: Performance of NFScalarize.scalarize: time 0.001008/0.4386, allocations: 1.281 MB / 0.7134 GB, free: 7.523 MB / 0.545 GB
Notification: Performance of NFVerifyModel.verify: time 0.001826/0.4404, allocations: 1.99 MB / 0.7153 GB, free: 5.523 MB / 0.545 GB
Notification: Performance of NFConvertDAE.convert: time 0.006295/0.4467, allocations: 6.099 MB / 0.7213 GB, free: 15.41 MB / 0.5606 GB
Notification: Performance of FrontEnd - DAE generated: time 3.437e-06/0.4467, allocations: 0 / 0.7213 GB, free: 15.41 MB / 0.5606 GB
Notification: Performance of FrontEnd: time 1.352e-06/0.4467, allocations: 4 kB / 0.7213 GB, free: 15.4 MB / 0.5606 GB
Notification: Performance of Transformations before backend: time 5.128e-05/0.4468, allocations: 0 / 0.7213 GB, free: 15.4 MB / 0.5606 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 397
 * Number of variables: 397
Notification: Performance of Generate backend data structure: time 0.007315/0.4541, allocations: 4.475 MB / 0.7257 GB, free: 10.86 MB / 0.5606 GB
Notification: Performance of prepare preOptimizeDAE: time 3.357e-05/0.4542, allocations: 9.109 kB / 0.7257 GB, free: 10.85 MB / 0.5606 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004291/0.4585, allocations: 0.9326 MB / 0.7266 GB, free: 9.91 MB / 0.5606 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.006385/0.4649, allocations: 3.76 MB / 0.7302 GB, free: 6.094 MB / 0.5606 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000124/0.465, allocations: 139.1 kB / 0.7304 GB, free: 5.957 MB / 0.5606 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003173/0.4653, allocations: 176 kB / 0.7305 GB, free: 5.785 MB / 0.5606 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.004261/0.4696, allocations: 2.383 MB / 0.7329 GB, free: 3.309 MB / 0.5606 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.944e-05/0.4696, allocations: 3.938 kB / 0.7329 GB, free: 3.305 MB / 0.5606 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000164/0.4698, allocations: 68 kB / 0.7329 GB, free: 3.238 MB / 0.5606 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.445e-05/0.4698, allocations: 40 kB / 0.733 GB, free: 3.199 MB / 0.5606 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004429/0.4743, allocations: 1.869 MB / 0.7348 GB, free: 1.324 MB / 0.5606 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 0.01465/0.4889, allocations: 10.62 MB / 0.7452 GB, free: 6.105 MB / 0.5762 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.003984/0.4929, allocations: 1.56 MB / 0.7467 GB, free: 4.543 MB / 0.5762 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001713/0.4947, allocations: 0.7372 MB / 0.7474 GB, free: 3.801 MB / 0.5762 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.2291/0.7238, allocations: 3.651 MB / 0.751 GB, free: 153.6 MB / 0.5762 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.851e-05/0.7239, allocations: 41.81 kB / 0.751 GB, free: 153.6 MB / 0.5762 GB
Notification: Performance of pre-optimization done (n=76): time 2.965e-06/0.7239, allocations: 0 / 0.751 GB, free: 153.6 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=76): time 0.007279/0.7312, allocations: 2.561 MB / 0.7535 GB, free: 153.3 MB / 0.5762 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.353e-05/0.7312, allocations: 66.33 kB / 0.7536 GB, free: 153.2 MB / 0.5762 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005344/0.7366, allocations: 3.732 MB / 0.7572 GB, free: 151.9 MB / 0.5762 GB
Notification: Performance of collectPreVariables (initialization): time 0.0002344/0.7368, allocations: 49.45 kB / 0.7573 GB, free: 151.9 MB / 0.5762 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0009884/0.7378, allocations: 1.584 MB / 0.7588 GB, free: 150.9 MB / 0.5762 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0002539/0.7381, allocations: 266.9 kB / 0.7591 GB, free: 150.7 MB / 0.5762 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0006274/0.7387, allocations: 385.7 kB / 0.7595 GB, free: 150.6 MB / 0.5762 GB
Notification: Performance of setup shared object (initialization): time 3.513e-05/0.7388, allocations: 308.6 kB / 0.7598 GB, free: 150.3 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002221/0.741, allocations: 1.258 MB / 0.761 GB, free: 149.9 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.002355/0.7434, allocations: 1.974 MB / 0.7629 GB, free: 148.6 MB / 0.5762 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.003994/0.7474, allocations: 3.158 MB / 0.766 GB, free: 146.9 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.338e-06/0.7474, allocations: 3.938 kB / 0.766 GB, free: 146.9 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=202) (initialization): time 0.005719/0.7531, allocations: 3.624 MB / 0.7695 GB, free: 145.4 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 2.156e-05/0.7531, allocations: 12.5 kB / 0.7695 GB, free: 145.4 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.964e-05/0.7532, allocations: 19.66 kB / 0.7696 GB, free: 145.4 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0005851/0.7538, allocations: 313.2 kB / 0.7699 GB, free: 145.2 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001505/0.7553, allocations: 436.1 kB / 0.7703 GB, free: 145.1 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005075/0.7558, allocations: 0.8198 MB / 0.7711 GB, free: 144.4 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002044/0.7578, allocations: 285.5 kB / 0.7714 GB, free: 144.3 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001621/0.758, allocations: 131.2 kB / 0.7715 GB, free: 144.3 MB / 0.5762 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002413/0.7604, allocations: 1.73 MB / 0.7732 GB, free: 143.3 MB / 0.5762 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.001707/0.7622, allocations: 1.735 MB / 0.7749 GB, free: 141.4 MB / 0.5762 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.003121/0.7653, allocations: 2.698 MB / 0.7775 GB, free: 138.5 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 8.065e-06/0.7653, allocations: 14.83 kB / 0.7775 GB, free: 138.5 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=202) (initialization_lambda0): time 0.004622/0.7699, allocations: 3.17 MB / 0.7806 GB, free: 135.3 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 1.462e-05/0.77, allocations: 12 kB / 0.7806 GB, free: 135.3 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.438e-05/0.77, allocations: 24 kB / 0.7806 GB, free: 135.3 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0008025/0.7708, allocations: 389.9 kB / 0.781 GB, free: 134.9 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001285/0.7721, allocations: 416.1 kB / 0.7814 GB, free: 134.5 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004931/0.777, allocations: 4.999 MB / 0.7863 GB, free: 129.3 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001981/0.779, allocations: 207.6 kB / 0.7865 GB, free: 129.1 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001471/0.7792, allocations: 123.8 kB / 0.7866 GB, free: 129 MB / 0.5762 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 95
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (177):
 * Single equations (assignments): 173
 * Array equations: 3
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 1
 * 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): 1 system
   {(1,4)}
Notification: Performance of prepare postOptimizeDAE: time 0.0003624/0.7795, allocations: 291.5 kB / 0.7869 GB, free: 128.7 MB / 0.5762 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003481/0.7799, allocations: 315.8 kB / 0.7872 GB, free: 128.4 MB / 0.5762 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004491/0.7844, allocations: 2.262 MB / 0.7894 GB, free: 126.2 MB / 0.5762 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.327e-05/0.7844, allocations: 13.42 kB / 0.7894 GB, free: 126.1 MB / 0.5762 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.474e-06/0.7844, allocations: 0 / 0.7894 GB, free: 126.1 MB / 0.5762 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 9.758e-06/0.7844, allocations: 7.984 kB / 0.7894 GB, free: 126.1 MB / 0.5762 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006487/0.7909, allocations: 4.395 MB / 0.7937 GB, free: 121.7 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.36e-06/0.791, allocations: 4 kB / 0.7937 GB, free: 121.7 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001156/0.7921, allocations: 251.7 kB / 0.794 GB, free: 121.4 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0002696/0.7924, allocations: 140.7 kB / 0.7941 GB, free: 121.3 MB / 0.5762 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.09e-05/0.7925, allocations: 31.97 kB / 0.7941 GB, free: 121.3 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0003524/0.7928, allocations: 0.728 MB / 0.7948 GB, free: 120.5 MB / 0.5762 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.844e-06/0.7929, allocations: 4.062 kB / 0.7948 GB, free: 120.5 MB / 0.5762 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005549/0.7984, allocations: 3.101 MB / 0.7979 GB, free: 117.4 MB / 0.5762 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001051/0.7995, allocations: 0.5667 MB / 0.7984 GB, free: 116.8 MB / 0.5762 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005211/0.8, allocations: 16 kB / 0.7984 GB, free: 116.8 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001688/0.8017, allocations: 127.9 kB / 0.7985 GB, free: 116.6 MB / 0.5762 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001242/0.8018, allocations: 72.73 kB / 0.7986 GB, free: 116.6 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001021/0.802, allocations: 51.95 kB / 0.7987 GB, free: 116.5 MB / 0.5762 GB
Notification: Performance of sorting global known variables: time 0.003447/0.8054, allocations: 2.57 MB / 0.8012 GB, free: 113.9 MB / 0.5762 GB
Notification: Performance of sort global known variables: time 1.7e-07/0.8054, allocations: 4 kB / 0.8012 GB, free: 113.9 MB / 0.5762 GB
Notification: Performance of remove unused functions: time 0.003988/0.8094, allocations: 1.506 MB / 0.8027 GB, free: 112.5 MB / 0.5762 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 3 (ddp_dm_flow.x,ddp_dNrpm.x,dm_flow_dNrpm.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 (90):
 * Single equations (assignments): 81
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 8
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 1
 * 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): 1 system
   {(1,5)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.001334/0.8108, allocations: 0.6646 MB / 0.8033 GB, free: 111.9 MB / 0.5762 GB
Notification: Performance of simCode: created initialization part: time 0.006677/0.8175, allocations: 3.939 MB / 0.8071 GB, free: 108 MB / 0.5762 GB
Notification: Performance of simCode: created event and clocks part: time 5.901e-06/0.8175, allocations: 448 / 0.8071 GB, free: 108 MB / 0.5762 GB
Notification: Performance of simCode: created simulation system equations: time 0.001863/0.8194, allocations: 0.8451 MB / 0.808 GB, free: 107.1 MB / 0.5762 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005554/0.8249, allocations: 1.747 MB / 0.8097 GB, free: 105.5 MB / 0.5762 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.0073/0.8323, allocations: 5.653 MB / 0.8152 GB, free: 99.79 MB / 0.5762 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001163/0.8334, allocations: 2.106 MB / 0.8173 GB, free: 97.66 MB / 0.5762 GB
Notification: Performance of simCode: alias equations: time 0.002547/0.836, allocations: 0.8008 MB / 0.818 GB, free: 96.85 MB / 0.5762 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005576/0.8366, allocations: 251.3 kB / 0.8183 GB, free: 96.61 MB / 0.5762 GB
Notification: Performance of SimCode: time 5.31e-07/0.8366, allocations: 0 / 0.8183 GB, free: 96.61 MB / 0.5762 GB
Notification: Performance of Templates: time 0.08185/0.9184, allocations: 71.2 MB / 0.8878 GB, free: 26.21 MB / 0.5762 GB
make -j1 -f IDEAS_dev_IDEAS.Fluid.Movers.Validation.PumpCurveDerivatives.makefile
(rm -f IDEAS_dev_IDEAS.Fluid.Movers.Validation.PumpCurveDerivatives.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Movers.Validation.PumpCurveDerivatives.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Movers.Validation.PumpCurveDerivatives.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Movers.Validation.PumpCurveDerivatives.sim & ./IDEAS_dev_IDEAS.Fluid.Movers.Validation.PumpCurveDerivatives  -abortSlowSimulation -alarm=480 -s gbode -lv LOG_STATS > IDEAS_dev_IDEAS.Fluid.Movers.Validation.PumpCurveDerivatives.pipe 2>&1)