Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Movers.Validation.SpeedControlled_Nrpm.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.Movers.Validation.SpeedControlled_Nrpm,fileNamePrefix="IDEAS_IDEAS_Fluid_Movers_Validation_SpeedControlled_Nrpm",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Movers.Validation.SpeedControlled_Nrpm,fileNamePrefix="IDEAS_IDEAS_Fluid_Movers_Validation_SpeedControlled_Nrpm",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 0.0009533/0.0009533, allocations: 90.52 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.005941/0.005941, allocations: 171.1 kB / 16.26 MB, free: 6.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.327/1.327, allocations: 223.3 MB / 240.3 MB, free: 5.332 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7422/0.7422, allocations: 132.3 MB / 423.8 MB, free: 1.945 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.000303/0.000303, allocations: 11.94 kB / 0.5041 GB, free: 3.773 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3865/0.3868, allocations: 81.57 MB / 0.5837 GB, free: 4.02 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Movers.Validation.SpeedControlled_Nrpm): time 0.6289/1.016, allocations: 317 MB / 0.8933 GB, free: 37.04 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.02247/1.038, allocations: 20.12 MB / 0.913 GB, free: 36.61 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002982/1.041, allocations: 73.59 kB / 0.913 GB, free: 36.61 MB / 0.6387 GB Notification: Performance of NFTyping.typeComponents: time 0.00324/1.045, allocations: 1.271 MB / 0.9143 GB, free: 36.57 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.008941/1.054, allocations: 3.933 MB / 0.9181 GB, free: 35.75 MB / 0.6387 GB Notification: Performance of NFTyping.typeClassSections: time 0.004572/1.058, allocations: 2.067 MB / 0.9202 GB, free: 35.34 MB / 0.6387 GB Notification: Performance of NFFlatten.flatten: time 0.007075/1.065, allocations: 7.849 MB / 0.9278 GB, free: 32.74 MB / 0.6387 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002347/1.068, allocations: 1.858 MB / 0.9296 GB, free: 31.69 MB / 0.6387 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005292/1.073, allocations: 2.699 MB / 0.9323 GB, free: 30.86 MB / 0.6387 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003319/1.076, allocations: 1.821 MB / 0.934 GB, free: 29.9 MB / 0.6387 GB Notification: Performance of NFPackage.collectConstants: time 0.0004579/1.077, allocations: 100 kB / 0.9341 GB, free: 29.8 MB / 0.6387 GB Notification: Performance of NFFlatten.collectFunctions: time 0.006594/1.083, allocations: 4.146 MB / 0.9382 GB, free: 26.35 MB / 0.6387 GB Notification: Performance of NFScalarize.scalarize: time 0.0008641/1.084, allocations: 0.7892 MB / 0.939 GB, free: 25.58 MB / 0.6387 GB Notification: Performance of NFVerifyModel.verify: time 0.001518/1.086, allocations: 1.256 MB / 0.9402 GB, free: 24.34 MB / 0.6387 GB Notification: Performance of NFConvertDAE.convert: time 0.005607/1.091, allocations: 5.085 MB / 0.9452 GB, free: 19.57 MB / 0.6387 GB Notification: Performance of FrontEnd - DAE generated: time 3.908e-06/1.091, allocations: 0 / 0.9452 GB, free: 19.57 MB / 0.6387 GB Notification: Performance of FrontEnd: time 1.793e-06/1.091, allocations: 0 / 0.9452 GB, free: 19.57 MB / 0.6387 GB Notification: Performance of Transformations before backend: time 3.223e-05/1.091, allocations: 0 / 0.9452 GB, free: 19.57 MB / 0.6387 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 349 * Number of variables: 349 Notification: Performance of Generate backend data structure: time 0.003655/1.095, allocations: 2.664 MB / 0.9478 GB, free: 16.88 MB / 0.6387 GB Notification: Performance of prepare preOptimizeDAE: time 3.711e-05/1.095, allocations: 12.03 kB / 0.9478 GB, free: 16.87 MB / 0.6387 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001964/1.095, allocations: 202.8 kB / 0.948 GB, free: 16.66 MB / 0.6387 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004954/1.1, allocations: 0.8884 MB / 0.9488 GB, free: 15.78 MB / 0.6387 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.003339/1.104, allocations: 2.108 MB / 0.9509 GB, free: 13.68 MB / 0.6387 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 7.751e-05/1.104, allocations: 119.1 kB / 0.951 GB, free: 13.56 MB / 0.6387 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001894/1.104, allocations: 152 kB / 0.9511 GB, free: 13.41 MB / 0.6387 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002485/1.106, allocations: 1.72 MB / 0.9528 GB, free: 11.64 MB / 0.6387 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.182e-05/1.106, allocations: 0 / 0.9528 GB, free: 11.64 MB / 0.6387 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001271/1.107, allocations: 59.28 kB / 0.9529 GB, free: 11.59 MB / 0.6387 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.61e-05/1.107, allocations: 50.67 kB / 0.9529 GB, free: 11.54 MB / 0.6387 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002424/1.109, allocations: 1.358 MB / 0.9543 GB, free: 10.18 MB / 0.6387 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 0.007253/1.116, allocations: 7.711 MB / 0.9618 GB, free: 2.02 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002122/1.118, allocations: 0.9866 MB / 0.9627 GB, free: 1.035 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001008/1.119, allocations: 0.558 MB / 0.9633 GB, free: 488 kB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0001672/1.12, allocations: 109 kB / 0.9634 GB, free: 364 kB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.236e-05/1.12, allocations: 39.22 kB / 0.9634 GB, free: 316 kB / 0.6387 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0006814/1.12, allocations: 143 kB / 0.9636 GB, free: 172 kB / 0.6387 GB Notification: Performance of pre-optimization done (n=81): time 2.535e-06/1.12, allocations: 3 kB / 0.9636 GB, free: 172 kB / 0.6387 GB Notification: Performance of matching and sorting (n=81): time 0.004672/1.125, allocations: 1.846 MB / 0.9654 GB, free: 14.28 MB / 0.6544 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.603e-05/1.125, allocations: 64 kB / 0.9654 GB, free: 14.2 MB / 0.6544 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002162/1.127, allocations: 1.86 MB / 0.9673 GB, free: 12.31 MB / 0.6544 GB Notification: Performance of collectPreVariables (initialization): time 9.033e-05/1.127, allocations: 48.52 kB / 0.9673 GB, free: 12.26 MB / 0.6544 GB Notification: Performance of collectInitialEqns (initialization): time 0.0007582/1.128, allocations: 1.007 MB / 0.9683 GB, free: 11.25 MB / 0.6544 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002296/1.128, allocations: 287 kB / 0.9686 GB, free: 10.97 MB / 0.6544 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001415/1.128, allocations: 105.7 kB / 0.9687 GB, free: 10.86 MB / 0.6544 GB Notification: Performance of setup shared object (initialization): time 0.0001144/1.129, allocations: 349.9 kB / 0.969 GB, free: 10.51 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00106/1.13, allocations: 0.5374 MB / 0.9695 GB, free: 9.973 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0013/1.131, allocations: 0.9501 MB / 0.9704 GB, free: 8.848 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.002341/1.133, allocations: 1.436 MB / 0.9718 GB, free: 7.316 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.104e-06/1.133, allocations: 4 kB / 0.9718 GB, free: 7.312 MB / 0.6544 GB Notification: Performance of matching and sorting (n=135) (initialization): time 0.003269/1.137, allocations: 1.789 MB / 0.9736 GB, free: 5.57 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 0.000207/1.137, allocations: 388.6 kB / 0.974 GB, free: 5.055 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.365e-05/1.137, allocations: 8 kB / 0.974 GB, free: 5.047 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0008343/1.138, allocations: 269.2 kB / 0.9742 GB, free: 4.781 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001077/1.139, allocations: 258.4 kB / 0.9745 GB, free: 4.543 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001276/1.14, allocations: 1.867 MB / 0.9763 GB, free: 2.609 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001476/1.142, allocations: 131.9 kB / 0.9764 GB, free: 2.48 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0001109/1.142, allocations: 70.78 kB / 0.9765 GB, free: 2.414 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 6.512e-06/1.142, allocations: 8 kB / 0.9765 GB, free: 2.406 MB / 0.6544 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.002902/1.145, allocations: 1.466 MB / 0.9779 GB, free: 1.004 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.165e-05/1.145, allocations: 8 kB / 0.9779 GB, free: 0.9961 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001084/1.146, allocations: 305.8 kB / 0.9782 GB, free: 0.6914 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008449/1.147, allocations: 226.8 kB / 0.9784 GB, free: 496 kB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004451/1.151, allocations: 3.529 MB / 0.9819 GB, free: 12.73 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001438/1.152, allocations: 123.9 kB / 0.982 GB, free: 12.61 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 9.32e-05/1.153, allocations: 59.98 kB / 0.9821 GB, free: 12.55 MB / 0.67 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 43 * 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 (120): * Single equations (assignments): 115 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems 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 {(1,7), (1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0009938/1.154, allocations: 0.6149 MB / 0.9827 GB, free: 11.94 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002321/1.154, allocations: 197.5 kB / 0.9829 GB, free: 11.74 MB / 0.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002889/1.157, allocations: 1.345 MB / 0.9842 GB, free: 10.39 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.787e-06/1.157, allocations: 8 kB / 0.9842 GB, free: 10.38 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.026e-06/1.157, allocations: 0 / 0.9842 GB, free: 10.38 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.002242/1.159, allocations: 1.133 MB / 0.9853 GB, free: 9.223 MB / 0.67 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 postOpt removeSimpleEquations (simulation): time 0.005235/1.164, allocations: 3.111 MB / 0.9883 GB, free: 6.039 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.198e-06/1.164, allocations: 0 / 0.9883 GB, free: 6.039 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009253/1.165, allocations: 191.7 kB / 0.9885 GB, free: 5.859 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005038/1.166, allocations: 175.2 kB / 0.9887 GB, free: 5.688 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.625e-05/1.166, allocations: 23.98 kB / 0.9887 GB, free: 5.664 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000989/1.167, allocations: 1.834 MB / 0.9905 GB, free: 3.758 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.087e-06/1.167, allocations: 6.844 kB / 0.9905 GB, free: 3.754 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003563/1.17, allocations: 1.894 MB / 0.9923 GB, free: 1.832 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005478/1.171, allocations: 366.3 kB / 0.9927 GB, free: 1.453 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000221/1.171, allocations: 20.06 kB / 0.9927 GB, free: 1.434 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001165/1.172, allocations: 124.4 kB / 0.9928 GB, free: 1.312 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001089/1.172, allocations: 55.41 kB / 0.9929 GB, free: 1.262 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 7.243e-05/1.173, allocations: 43.84 kB / 0.9929 GB, free: 1.219 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.001623/1.174, allocations: 1.265 MB / 0.9942 GB, free: 15.94 MB / 0.6856 GB Notification: Performance of sort global known variables: time 1.4e-07/1.174, allocations: 0 / 0.9942 GB, free: 15.94 MB / 0.6856 GB Notification: Performance of remove unused functions: time 0.002624/1.177, allocations: 1.103 MB / 0.9952 GB, free: 14.83 MB / 0.6856 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 6 * Number of states: 3 (floMacDyn.vol.dynBal.U,floMacDyn.vol.dynBal.m,floMacDyn.vol.dynBal.mXi[1]) * 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 (73): * Single equations (assignments): 70 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details (not torn): * Constant Jacobian (size): 0 systems * Linear Jacobian (size,density): 0 systems * Non-linear Jacobian (size): 1 system {1} * Without analytic Jacobian (size): 0 systems 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 {(1,5), (2,6)} Notification: Performance of Backend phase and start with SimCode phase: time 0.004588/1.181, allocations: 2.762 MB / 0.9979 GB, free: 12.07 MB / 0.6856 GB Notification: Performance of simCode: created initialization part: time 0.004172/1.186, allocations: 2.046 MB / 0.9999 GB, free: 10.09 MB / 0.6856 GB Notification: Performance of simCode: created event and clocks part: time 3.126e-06/1.186, allocations: 0 / 0.9999 GB, free: 10.09 MB / 0.6856 GB Notification: Performance of simCode: created simulation system equations: time 0.001173/1.187, allocations: 0.5256 MB / 1 GB, free: 9.582 MB / 0.6856 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.004642/1.191, allocations: 1.05 MB / 1.001 GB, free: 8.562 MB / 0.6856 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.03128/1.223, allocations: 17.66 MB / 1.019 GB, free: 5.773 MB / 0.7012 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001265/1.224, allocations: 1.613 MB / 1.02 GB, free: 4.125 MB / 0.7012 GB Notification: Performance of simCode: alias equations: time 0.002141/1.226, allocations: 497.6 kB / 1.021 GB, free: 3.637 MB / 0.7012 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001066/1.227, allocations: 0.8702 MB / 1.022 GB, free: 2.766 MB / 0.7012 GB Notification: Performance of SimCode: time 6.81e-07/1.227, allocations: 0 / 1.022 GB, free: 2.766 MB / 0.7012 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 3.373/4.6, allocations: 58.46 MB / 1.079 GB, free: 9.098 MB / 0.7637 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0003532/4.601, allocations: 278.3 kB / 1.079 GB, free: 8.734 MB / 0.7637 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.287/7.888, allocations: 4 kB / 1.079 GB, free: 8.73 MB / 0.7637 GB (rm -f IDEAS_IDEAS.Fluid.Movers.Validation.SpeedControlled_Nrpm.pipe ; mkfifo IDEAS_IDEAS.Fluid.Movers.Validation.SpeedControlled_Nrpm.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Movers.Validation.SpeedControlled_Nrpm.pipe >> ../files/IDEAS_IDEAS.Fluid.Movers.Validation.SpeedControlled_Nrpm.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_IDEAS_Fluid_Movers_Validation_SpeedControlled_Nrpm_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-08 IDEAS_IDEAS_Fluid_Movers_Validation_SpeedControlled_Nrpm.fmu > IDEAS_IDEAS.Fluid.Movers.Validation.SpeedControlled_Nrpm.pipe 2>&1)