Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.FixedResistances.Validation.PressureDropsParallel.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/package.mo", uses=false)
Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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: "" <> buildModelFMU(IDEAS.Fluid.FixedResistances.Validation.PressureDropsParallel,fileNamePrefix="IDEAS_IDEAS_Fluid_FixedResistances_Validation_PressureDropsParallel",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IDEAS.Fluid.FixedResistances.Validation.PressureDropsParallel,fileNamePrefix="IDEAS_IDEAS_Fluid_FixedResistances_Validation_PressureDropsParallel",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 0.005026/0.005026, allocations: 95.39 kB / 15.73 MB, free: 6.039 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001114/0.001114, allocations: 201.5 kB / 16.68 MB, free: 5.969 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.281/1.281, allocations: 222.9 MB / 240.4 MB, free: 4.355 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7185/0.7185, allocations: 132.2 MB / 422.7 MB, free: 1.738 MB / 350.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001368/0.001368, allocations: 67.08 kB / 0.5809 GB, free: 1.004 MB / 430.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.164/0.1654, allocations: 80.22 MB / 0.6592 GB, free: 13.93 MB / 0.4981 GB
Notification: Performance of NFInst.instantiate(IDEAS.Fluid.FixedResistances.Validation.PressureDropsParallel): time 0.01873/0.1841, allocations: 18.97 MB / 0.6777 GB, free: 10.89 MB / 0.5137 GB
Notification: Performance of NFInst.instExpressions: time 0.006146/0.1903, allocations: 4.997 MB / 0.6826 GB, free: 5.875 MB / 0.5137 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0005995/0.191, allocations: 15.94 kB / 0.6826 GB, free: 5.859 MB / 0.5137 GB
Notification: Performance of NFTyping.typeComponents: time 0.000729/0.1917, allocations: 230.4 kB / 0.6828 GB, free: 5.633 MB / 0.5137 GB
Notification: Performance of NFTyping.typeBindings: time 0.001367/0.1931, allocations: 0.5579 MB / 0.6834 GB, free: 5.074 MB / 0.5137 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00153/0.1947, allocations: 0.5446 MB / 0.6839 GB, free: 4.535 MB / 0.5137 GB
Notification: Performance of NFFlatten.flatten: time 0.00126/0.1959, allocations: 1.048 MB / 0.6849 GB, free: 3.48 MB / 0.5137 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.000466/0.1964, allocations: 344.2 kB / 0.6853 GB, free: 3.141 MB / 0.5137 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0008442/0.1973, allocations: 0.498 MB / 0.6857 GB, free: 2.641 MB / 0.5137 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0003129/0.1976, allocations: 290.6 kB / 0.686 GB, free: 2.355 MB / 0.5137 GB
Notification: Performance of NFPackage.collectConstants: time 4.366e-05/0.1976, allocations: 24 kB / 0.686 GB, free: 2.332 MB / 0.5137 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0009054/0.1986, allocations: 0.5459 MB / 0.6866 GB, free: 1.785 MB / 0.5137 GB
Notification: Performance of NFScalarize.scalarize: time 9.558e-05/0.1987, allocations: 79.67 kB / 0.6867 GB, free: 1.707 MB / 0.5137 GB
Notification: Performance of NFVerifyModel.verify: time 0.0001754/0.1988, allocations: 202.9 kB / 0.6868 GB, free: 1.508 MB / 0.5137 GB
Notification: Performance of NFConvertDAE.convert: time 0.0008253/0.1997, allocations: 0.6305 MB / 0.6875 GB, free: 0.875 MB / 0.5137 GB
Notification: Performance of FrontEnd - DAE generated: time 4.128e-06/0.1997, allocations: 3.938 kB / 0.6875 GB, free: 0.8711 MB / 0.5137 GB
Notification: Performance of FrontEnd: time 1.263e-06/0.1997, allocations: 0 / 0.6875 GB, free: 0.8711 MB / 0.5137 GB
Notification: Performance of Transformations before backend: time 1.256e-05/0.1997, allocations: 4 kB / 0.6875 GB, free: 0.8672 MB / 0.5137 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 54
 * Number of variables: 54
Notification: Performance of Generate backend data structure: time 0.0009862/0.2007, allocations: 0.7277 MB / 0.6882 GB, free: 92 kB / 0.5137 GB
Notification: Performance of prepare preOptimizeDAE: time 4.4e-05/0.2008, allocations: 12.03 kB / 0.6882 GB, free: 80 kB / 0.5137 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 6.875e-05/0.2008, allocations: 62.72 kB / 0.6883 GB, free: 8 kB / 0.5137 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001219/0.201, allocations: 50.16 kB / 0.6883 GB, free: 15.96 MB / 0.5294 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006052/0.2016, allocations: 381.6 kB / 0.6887 GB, free: 15.55 MB / 0.5294 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.828e-05/0.2017, allocations: 50.14 kB / 0.6887 GB, free: 15.5 MB / 0.5294 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 4.343e-05/0.2017, allocations: 24 kB / 0.6887 GB, free: 15.47 MB / 0.5294 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004607/0.2022, allocations: 227.2 kB / 0.6889 GB, free: 15.24 MB / 0.5294 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.62e-05/0.2022, allocations: 3.938 kB / 0.689 GB, free: 15.24 MB / 0.5294 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.856e-05/0.2022, allocations: 12 kB / 0.689 GB, free: 15.23 MB / 0.5294 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.035e-06/0.2023, allocations: 4 kB / 0.689 GB, free: 15.22 MB / 0.5294 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0003346/0.2026, allocations: 157.6 kB / 0.6891 GB, free: 15.07 MB / 0.5294 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 0.001331/0.2039, allocations: 1.088 MB / 0.6902 GB, free: 13.86 MB / 0.5294 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0002355/0.2042, allocations: 102.6 kB / 0.6903 GB, free: 13.75 MB / 0.5294 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001436/0.2043, allocations: 68.81 kB / 0.6903 GB, free: 13.68 MB / 0.5294 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002765/0.2046, allocations: 332.4 kB / 0.6907 GB, free: 13.28 MB / 0.5294 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.65e-05/0.2047, allocations: 38.5 kB / 0.6907 GB, free: 13.23 MB / 0.5294 GB
Notification: Performance of pre-optimization done (n=10): time 1.503e-06/0.2047, allocations: 4 kB / 0.6907 GB, free: 13.23 MB / 0.5294 GB
Notification: Performance of matching and sorting (n=10): time 0.0005357/0.2052, allocations: 201.3 kB / 0.6909 GB, free: 13.02 MB / 0.5294 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 3.951e-05/0.2053, allocations: 63.39 kB / 0.691 GB, free: 12.95 MB / 0.5294 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002981/0.2056, allocations: 325.7 kB / 0.6913 GB, free: 12.63 MB / 0.5294 GB
Notification: Performance of collectPreVariables (initialization): time 2.576e-05/0.2056, allocations: 33.7 kB / 0.6913 GB, free: 12.59 MB / 0.5294 GB
Notification: Performance of collectInitialEqns (initialization): time 0.000121/0.2057, allocations: 196.3 kB / 0.6915 GB, free: 12.39 MB / 0.5294 GB
Notification: Performance of collectInitialBindings (initialization): time 3.117e-05/0.2058, allocations: 39.69 kB / 0.6915 GB, free: 12.35 MB / 0.5294 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 5.816e-05/0.2058, allocations: 33.7 kB / 0.6916 GB, free: 12.31 MB / 0.5294 GB
Notification: Performance of setup shared object (initialization): time 0.0001142/0.206, allocations: 338.8 kB / 0.6919 GB, free: 11.97 MB / 0.5294 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001301/0.2061, allocations: 49.12 kB / 0.6919 GB, free: 11.92 MB / 0.5294 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001653/0.2063, allocations: 102 kB / 0.692 GB, free: 11.8 MB / 0.5294 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.000258/0.2065, allocations: 122.4 kB / 0.6921 GB, free: 11.67 MB / 0.5294 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.667e-06/0.2065, allocations: 4 kB / 0.6921 GB, free: 11.67 MB / 0.5294 GB
Notification: Performance of matching and sorting (n=11) (initialization): time 0.0003504/0.2069, allocations: 181.3 kB / 0.6923 GB, free: 11.48 MB / 0.5294 GB
Notification: Performance of prepare postOptimizeDAE: time 1.722e-05/0.2069, allocations: 8 kB / 0.6923 GB, free: 11.48 MB / 0.5294 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.511e-06/0.2069, allocations: 0 / 0.6923 GB, free: 11.48 MB / 0.5294 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.538e-05/0.207, allocations: 0 / 0.6923 GB, free: 11.48 MB / 0.5294 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001382/0.2071, allocations: 27.98 kB / 0.6923 GB, free: 11.45 MB / 0.5294 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.585e-06/0.2071, allocations: 0 / 0.6923 GB, free: 11.45 MB / 0.5294 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002026/0.2073, allocations: 31.8 kB / 0.6924 GB, free: 11.42 MB / 0.5294 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.097e-05/0.2074, allocations: 8.188 kB / 0.6924 GB, free: 11.41 MB / 0.5294 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002008/0.2076, allocations: 152.1 kB / 0.6925 GB, free: 11.26 MB / 0.5294 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001527/0.2077, allocations: 101.7 kB / 0.6926 GB, free: 11.14 MB / 0.5294 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002338/0.208, allocations: 118.4 kB / 0.6927 GB, free: 11.02 MB / 0.5294 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.52e-07/0.208, allocations: 4 kB / 0.6927 GB, free: 11.01 MB / 0.5294 GB
Notification: Performance of matching and sorting (n=11) (initialization_lambda0): time 0.0003258/0.2083, allocations: 169.3 kB / 0.6929 GB, free: 10.84 MB / 0.5294 GB
Notification: Performance of prepare postOptimizeDAE: time 9.107e-06/0.2083, allocations: 9.875 kB / 0.6929 GB, free: 10.83 MB / 0.5294 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.643e-06/0.2083, allocations: 0 / 0.6929 GB, free: 10.83 MB / 0.5294 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.655e-06/0.2083, allocations: 0 / 0.6929 GB, free: 10.83 MB / 0.5294 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000101/0.2084, allocations: 23.98 kB / 0.6929 GB, free: 10.81 MB / 0.5294 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.803e-06/0.2085, allocations: 4.031 kB / 0.6929 GB, free: 10.8 MB / 0.5294 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001727/0.2086, allocations: 19.98 kB / 0.693 GB, free: 10.79 MB / 0.5294 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.45e-05/0.2087, allocations: 7.984 kB / 0.693 GB, free: 10.78 MB / 0.5294 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 3
 * 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 (11):
 * Single equations (assignments): 11
 * 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 0.0001051/0.2088, allocations: 192.1 kB / 0.6932 GB, free: 10.58 MB / 0.5294 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 5.87e-05/0.2088, allocations: 35.7 kB / 0.6932 GB, free: 10.55 MB / 0.5294 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0004363/0.2093, allocations: 211.6 kB / 0.6934 GB, free: 10.34 MB / 0.5294 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 9.968e-06/0.2093, allocations: 7.984 kB / 0.6934 GB, free: 10.33 MB / 0.5294 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.198e-06/0.2093, allocations: 0 / 0.6934 GB, free: 10.33 MB / 0.5294 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.737e-06/0.2093, allocations: 0 / 0.6934 GB, free: 10.33 MB / 0.5294 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.000823/0.2101, allocations: 0.6256 MB / 0.694 GB, free: 9.637 MB / 0.5294 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.627e-06/0.2101, allocations: 4 kB / 0.694 GB, free: 9.633 MB / 0.5294 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 8.853e-05/0.2102, allocations: 24.08 kB / 0.694 GB, free: 9.609 MB / 0.5294 GB
Notification: Performance of postOpt tearingSystem (simulation): time 2.725e-06/0.2103, allocations: 0 / 0.694 GB, free: 9.609 MB / 0.5294 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.162e-05/0.2103, allocations: 4 kB / 0.694 GB, free: 9.605 MB / 0.5294 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.996e-06/0.2103, allocations: 0 / 0.694 GB, free: 9.605 MB / 0.5294 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.898e-06/0.2103, allocations: 11.88 kB / 0.6941 GB, free: 9.594 MB / 0.5294 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0003989/0.2107, allocations: 313.4 kB / 0.6943 GB, free: 9.266 MB / 0.5294 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001154/0.2108, allocations: 128.8 kB / 0.6945 GB, free: 9.121 MB / 0.5294 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.931e-05/0.2109, allocations: 4 kB / 0.6945 GB, free: 9.117 MB / 0.5294 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002326/0.2111, allocations: 19.97 kB / 0.6945 GB, free: 9.098 MB / 0.5294 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 5.434e-05/0.2112, allocations: 15.88 kB / 0.6945 GB, free: 9.082 MB / 0.5294 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.699e-05/0.2112, allocations: 15.98 kB / 0.6945 GB, free: 9.066 MB / 0.5294 GB
Notification: Performance of sorting global known variables: time 0.0002248/0.2114, allocations: 235.2 kB / 0.6947 GB, free: 8.84 MB / 0.5294 GB
Notification: Performance of sort global known variables: time 1.4e-07/0.2114, allocations: 0 / 0.6947 GB, free: 8.84 MB / 0.5294 GB
Notification: Performance of remove unused functions: time 0.0005374/0.212, allocations: 175.6 kB / 0.6949 GB, free: 8.668 MB / 0.5294 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 4
 * 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 simulation (12):
 * Single equations (assignments): 10
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 2
 * 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 0.0009671/0.2129, allocations: 0.9445 MB / 0.6958 GB, free: 7.691 MB / 0.5294 GB
Notification: Performance of simCode: created initialization part: time 0.0004852/0.2134, allocations: 184 kB / 0.696 GB, free: 7.512 MB / 0.5294 GB
Notification: Performance of simCode: created event and clocks part: time 2.475e-06/0.2134, allocations: 3.938 kB / 0.696 GB, free: 7.508 MB / 0.5294 GB
Notification: Performance of simCode: created simulation system equations: time 0.0001628/0.2136, allocations: 76.2 kB / 0.6961 GB, free: 7.434 MB / 0.5294 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0007406/0.2144, allocations: 138.6 kB / 0.6962 GB, free: 7.301 MB / 0.5294 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002957/0.2173, allocations: 2.665 MB / 0.6988 GB, free: 4.531 MB / 0.5294 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002987/0.2176, allocations: 0.7912 MB / 0.6996 GB, free: 3.715 MB / 0.5294 GB
Notification: Performance of simCode: alias equations: time 0.0001994/0.2179, allocations: 69.28 kB / 0.6997 GB, free: 3.652 MB / 0.5294 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000129/0.218, allocations: 107.4 kB / 0.6998 GB, free: 3.547 MB / 0.5294 GB
Notification: Performance of SimCode: time 5.81e-07/0.218, allocations: 0 / 0.6998 GB, free: 3.547 MB / 0.5294 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02574/0.2437, allocations: 9.54 MB / 0.7091 GB, free: 10.29 MB / 0.545 GB
Notification: Performance of buildModelFMU: Generate platform static: time 7.749/7.993, allocations: 15.38 kB / 0.7091 GB, free: 10.27 MB / 0.545 GB
(rm -f IDEAS_IDEAS.Fluid.FixedResistances.Validation.PressureDropsParallel.pipe ; mkfifo IDEAS_IDEAS.Fluid.FixedResistances.Validation.PressureDropsParallel.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.FixedResistances.Validation.PressureDropsParallel.pipe >> ../files/IDEAS_IDEAS.Fluid.FixedResistances.Validation.PressureDropsParallel.sim & python3 -m fmpy simulate  --output-file IDEAS_IDEAS.Fluid.FixedResistances.Validation.PressureDropsParallel_res.csv --start-time 0 --stop-time 1 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.0004 IDEAS_IDEAS_Fluid_FixedResistances_Validation_PressureDropsParallel.fmu > IDEAS_IDEAS.Fluid.FixedResistances.Validation.PressureDropsParallel.pipe 2>&1)