Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.FMI.Validation.HeaterFanPressureDriven.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: "" <> buildModelFMU(IDEAS.Fluid.FMI.Validation.HeaterFanPressureDriven,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_FMI_Validation_HeaterFanPressureDriven",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IDEAS.Fluid.FMI.Validation.HeaterFanPressureDriven,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_FMI_Validation_HeaterFanPressureDriven",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 0.0009048/0.0009049, allocations: 97.64 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.005432/0.005433, allocations: 170.1 kB / 16.27 MB, free: 6.652 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.269/1.269, allocations: 223.3 MB / 240.3 MB, free: 5.348 MB / 190.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.8684/0.8684, allocations: 135.3 MB / 426.7 MB, free: 14.14 MB / 350.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.0002897/0.0002897, allocations: 8 kB / 0.5077 GB, free: 4.691 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1286/0.1289, allocations: 82.31 MB / 0.5881 GB, free: 2.555 MB / 494.1 MB
Notification: Performance of NFInst.instantiate(IDEAS.Fluid.FMI.Validation.HeaterFanPressureDriven): time 0.7917/0.9207, allocations: 306.1 MB / 0.887 GB, free: 20.75 MB / 0.67 GB
Notification: Performance of NFInst.instExpressions: time 0.02337/0.9441, allocations: 27.32 MB / 0.9137 GB, free: 20.54 MB / 0.67 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001985/0.9461, allocations: 66.47 kB / 0.9137 GB, free: 20.54 MB / 0.67 GB
Notification: Performance of NFTyping.typeComponents: time 0.003071/0.9492, allocations: 1.338 MB / 0.915 GB, free: 20.51 MB / 0.67 GB
Notification: Performance of NFTyping.typeBindings: time 0.005626/0.9549, allocations: 2.802 MB / 0.9178 GB, free: 20.38 MB / 0.67 GB
Notification: Performance of NFTyping.typeClassSections: time 0.004992/0.9599, allocations: 2.362 MB / 0.9201 GB, free: 20.3 MB / 0.67 GB
Notification: Performance of NFFlatten.flatten: time 0.006511/0.9664, allocations: 5.994 MB / 0.9259 GB, free: 20.29 MB / 0.67 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.002468/0.9689, allocations: 1.618 MB / 0.9275 GB, free: 20.02 MB / 0.67 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.004269/0.9732, allocations: 1.97 MB / 0.9294 GB, free: 19.99 MB / 0.67 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.00297/0.9761, allocations: 1.337 MB / 0.9307 GB, free: 19.98 MB / 0.67 GB
Notification: Performance of NFPackage.collectConstants: time 0.0003308/0.9765, allocations: 71.53 kB / 0.9308 GB, free: 19.98 MB / 0.67 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.006223/0.9827, allocations: 3.618 MB / 0.9343 GB, free: 19.95 MB / 0.67 GB
Notification: Performance of NFScalarize.scalarize: time 0.0006947/0.9834, allocations: 0.4989 MB / 0.9348 GB, free: 19.95 MB / 0.67 GB
Notification: Performance of NFVerifyModel.verify: time 0.001626/0.985, allocations: 0.9981 MB / 0.9358 GB, free: 19.91 MB / 0.67 GB
Notification: Performance of NFConvertDAE.convert: time 0.004848/0.9899, allocations: 4.68 MB / 0.9404 GB, free: 19.68 MB / 0.67 GB
Notification: Performance of FrontEnd - DAE generated: time 3.527e-06/0.9899, allocations: 1.906 kB / 0.9404 GB, free: 19.68 MB / 0.67 GB
Notification: Performance of FrontEnd: time 1.453e-06/0.9899, allocations: 0 / 0.9404 GB, free: 19.68 MB / 0.67 GB
Notification: Performance of Transformations before backend: time 1.947e-05/0.9899, allocations: 0 / 0.9404 GB, free: 19.68 MB / 0.67 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 332
 * Number of variables: 332
Notification: Performance of Generate backend data structure: time 0.002595/0.9925, allocations: 2.109 MB / 0.9424 GB, free: 18.26 MB / 0.67 GB
Notification: Performance of prepare preOptimizeDAE: time 3.225e-05/0.9926, allocations: 9.688 kB / 0.9424 GB, free: 18.26 MB / 0.67 GB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000177/0.9928, allocations: 193 kB / 0.9426 GB, free: 18.19 MB / 0.67 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.004354/0.9971, allocations: 0.8592 MB / 0.9435 GB, free: 17.84 MB / 0.67 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.002287/0.9994, allocations: 2.007 MB / 0.9454 GB, free: 16.98 MB / 0.67 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0005882/1, allocations: 236.7 kB / 0.9457 GB, free: 16.94 MB / 0.67 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001613/1, allocations: 138.8 kB / 0.9458 GB, free: 16.93 MB / 0.67 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.002665/1.003, allocations: 1.679 MB / 0.9474 GB, free: 16.45 MB / 0.67 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.428e-05/1.003, allocations: 0 / 0.9474 GB, free: 16.45 MB / 0.67 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001155/1.003, allocations: 56.19 kB / 0.9475 GB, free: 16.45 MB / 0.67 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.638e-05/1.003, allocations: 48.44 kB / 0.9475 GB, free: 16.45 MB / 0.67 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003045/1.006, allocations: 1.523 MB / 0.949 GB, free: 16.2 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 preOpt removeSimpleEquations (simulation): time 0.006826/1.013, allocations: 7.544 MB / 0.9564 GB, free: 11.46 MB / 0.67 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.003288/1.016, allocations: 1.179 MB / 0.9575 GB, free: 11.04 MB / 0.67 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001115/1.017, allocations: 452.4 kB / 0.958 GB, free: 10.95 MB / 0.67 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0001943/1.018, allocations: 193.5 kB / 0.9581 GB, free: 10.75 MB / 0.67 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.513e-05/1.018, allocations: 42.06 kB / 0.9582 GB, free: 10.71 MB / 0.67 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.0004549/1.018, allocations: 148.4 kB / 0.9583 GB, free: 10.63 MB / 0.67 GB
Notification: Performance of pre-optimization done (n=38): time 1.423e-06/1.018, allocations: 0 / 0.9583 GB, free: 10.63 MB / 0.67 GB
Notification: Performance of matching and sorting (n=38): time 0.003455/1.022, allocations: 1.327 MB / 0.9596 GB, free: 10.29 MB / 0.67 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 2.066e-05/1.022, allocations: 58.34 kB / 0.9597 GB, free: 10.22 MB / 0.67 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001456/1.023, allocations: 1.598 MB / 0.9612 GB, free: 9.812 MB / 0.67 GB
Notification: Performance of collectPreVariables (initialization): time 5.349e-05/1.023, allocations: 39.39 kB / 0.9613 GB, free: 9.777 MB / 0.67 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0004434/1.024, allocations: 0.8327 MB / 0.9621 GB, free: 9.434 MB / 0.67 GB
Notification: Performance of collectInitialBindings (initialization): time 7.989e-05/1.024, allocations: 133.7 kB / 0.9622 GB, free: 9.336 MB / 0.67 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 7.918e-05/1.024, allocations: 55.28 kB / 0.9623 GB, free: 9.312 MB / 0.67 GB
Notification: Performance of setup shared object (initialization): time 4.399e-05/1.024, allocations: 332 kB / 0.9626 GB, free: 9 MB / 0.67 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001085/1.025, allocations: 438.9 kB / 0.963 GB, free: 8.918 MB / 0.67 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.001132/1.026, allocations: 0.6688 MB / 0.9637 GB, free: 8.535 MB / 0.67 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.002141/1.028, allocations: 1.019 MB / 0.9647 GB, free: 8.16 MB / 0.67 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.218e-06/1.028, allocations: 5.641 kB / 0.9647 GB, free: 8.16 MB / 0.67 GB
Notification: Performance of matching and sorting (n=74) (initialization): time 0.002521/1.031, allocations: 1.219 MB / 0.9659 GB, free: 7.859 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 8.237e-05/1.031, allocations: 285.1 kB / 0.9661 GB, free: 7.531 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.177e-06/1.031, allocations: 4.469 kB / 0.9661 GB, free: 7.531 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.563e-05/1.031, allocations: 10.34 kB / 0.9661 GB, free: 7.531 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001084/1.032, allocations: 240 kB / 0.9664 GB, free: 7.477 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002295/1.032, allocations: 0.62 MB / 0.967 GB, free: 6.875 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001184/1.033, allocations: 184.7 kB / 0.9671 GB, free: 6.812 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.999e-05/1.033, allocations: 33.36 kB / 0.9672 GB, free: 6.809 MB / 0.67 GB
Notification: Performance of prepare postOptimizeDAE: time 5.36e-06/1.033, allocations: 5.969 kB / 0.9672 GB, free: 6.809 MB / 0.67 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.00209/1.036, allocations: 0.9687 MB / 0.9681 GB, free: 6.641 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.172e-06/1.036, allocations: 5.281 kB / 0.9681 GB, free: 6.641 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (initialization): time 6.683e-06/1.036, allocations: 8.812 kB / 0.9681 GB, free: 6.641 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008263/1.036, allocations: 211.3 kB / 0.9683 GB, free: 6.598 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.547e-06/1.036, allocations: 18.48 kB / 0.9684 GB, free: 6.594 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001013/1.037, allocations: 174.6 kB / 0.9685 GB, free: 6.535 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.084e-05/1.037, allocations: 30.69 kB / 0.9686 GB, free: 6.535 MB / 0.67 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 28
 * 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 (73):
 * Single equations (assignments): 71
 * Array equations: 1
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 1
 * Torn equation systems: 0
 * 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: Performance of prepare postOptimizeDAE: time 0.0004859/1.038, allocations: 0.5277 MB / 0.9691 GB, free: 6.312 MB / 0.67 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001453/1.038, allocations: 159 kB / 0.9692 GB, free: 6.23 MB / 0.67 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002459/1.041, allocations: 0.9875 MB / 0.9702 GB, free: 5.965 MB / 0.67 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.458e-06/1.041, allocations: 2.812 kB / 0.9702 GB, free: 5.965 MB / 0.67 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.649e-06/1.041, allocations: 2.734 kB / 0.9702 GB, free: 5.965 MB / 0.67 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.49e-06/1.041, allocations: 7.703 kB / 0.9702 GB, free: 5.961 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 0.003855/1.044, allocations: 2.433 MB / 0.9726 GB, free: 5.043 MB / 0.67 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.585e-06/1.044, allocations: 0 / 0.9726 GB, free: 5.043 MB / 0.67 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007831/1.045, allocations: 165.3 kB / 0.9727 GB, free: 5 MB / 0.67 GB
Notification: Performance of postOpt tearingSystem (simulation): time 3.717e-06/1.045, allocations: 2.906 kB / 0.9727 GB, free: 5 MB / 0.67 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.827e-05/1.045, allocations: 16.36 kB / 0.9728 GB, free: 4.996 MB / 0.67 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0001412/1.045, allocations: 0.5925 MB / 0.9733 GB, free: 4.406 MB / 0.67 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.963e-06/1.045, allocations: 9.281 kB / 0.9733 GB, free: 4.402 MB / 0.67 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002198/1.048, allocations: 1.082 MB / 0.9744 GB, free: 3.969 MB / 0.67 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0003243/1.048, allocations: 321.9 kB / 0.9747 GB, free: 3.688 MB / 0.67 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001574/1.048, allocations: 10.33 kB / 0.9747 GB, free: 3.68 MB / 0.67 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001087/1.049, allocations: 160.7 kB / 0.9749 GB, free: 3.613 MB / 0.67 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 4.715e-05/1.049, allocations: 23.75 kB / 0.9749 GB, free: 3.602 MB / 0.67 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.676e-05/1.049, allocations: 24.56 kB / 0.9749 GB, free: 3.59 MB / 0.67 GB
Notification: Performance of sorting global known variables: time 0.001047/1.05, allocations: 1.121 MB / 0.976 GB, free: 2.867 MB / 0.67 GB
Notification: Performance of sort global known variables: time 2.4e-07/1.05, allocations: 2.531 kB / 0.976 GB, free: 2.867 MB / 0.67 GB
Notification: Performance of remove unused functions: time 0.001644/1.052, allocations: 0.7444 MB / 0.9767 GB, free: 2.121 MB / 0.67 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 7
 * 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 (39):
 * Single equations (assignments): 38
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 1
 * Torn equation systems: 0
 * 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: Performance of Backend phase and start with SimCode phase: time 0.002719/1.055, allocations: 1.83 MB / 0.9785 GB, free: 280 kB / 0.67 GB
Notification: Performance of simCode: created initialization part: time 0.003678/1.059, allocations: 1.459 MB / 0.98 GB, free: 14.86 MB / 0.6856 GB
Notification: Performance of simCode: created event and clocks part: time 2.916e-06/1.059, allocations: 0 / 0.98 GB, free: 14.86 MB / 0.6856 GB
Notification: Performance of simCode: created simulation system equations: time 0.001187/1.06, allocations: 431.6 kB / 0.9804 GB, free: 14.45 MB / 0.6856 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003788/1.064, allocations: 0.8988 MB / 0.9812 GB, free: 13.58 MB / 0.6856 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.02705/1.091, allocations: 13.68 MB / 0.9946 GB, free: 15.32 MB / 0.7012 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008014/1.091, allocations: 1.351 MB / 0.9959 GB, free: 13.94 MB / 0.7012 GB
Notification: Performance of simCode: alias equations: time 0.00166/1.093, allocations: 370.2 kB / 0.9963 GB, free: 13.57 MB / 0.7012 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008164/1.094, allocations: 0.6555 MB / 0.9969 GB, free: 12.91 MB / 0.7012 GB
Notification: Performance of SimCode: time 7.71e-07/1.094, allocations: 0 / 0.9969 GB, free: 12.91 MB / 0.7012 GB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.53/1.624, allocations: 44.62 MB / 1.04 GB, free: 0.8945 MB / 0.7325 GB
Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0004659/1.624, allocations: 235.5 kB / 1.041 GB, free: 0.6328 MB / 0.7325 GB
Notification: Performance of buildModelFMU: Generate platform static: time 2.611/4.236, allocations: 4 kB / 1.041 GB, free: 0.6289 MB / 0.7325 GB
(rm -f IDEAS_dev_IDEAS.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.FMI.Validation.HeaterFanPressureDriven.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator  --tempDir=temp_IDEAS_dev_IDEAS_Fluid_FMI_Validation_HeaterFanPressureDriven_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 IDEAS_dev_IDEAS_Fluid_FMI_Validation_HeaterFanPressureDriven.fmu > IDEAS_dev_IDEAS.Fluid.FMI.Validation.HeaterFanPressureDriven.pipe 2>&1)