Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_latest_Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package Buildings with version 9.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo)
Running command: translateModel(Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X")
translateModel(Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_latest_Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 9.0.0-master/package.mo): time 1.862/1.862, allocations: 306.1 MB / 321.4 MB, free: 10.72 MB / 250.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.000965/0.0009651, allocations: 179.4 kB / 393.1 MB, free: 4.074 MB / 314.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.375/1.375, allocations: 225.7 MB / 0.6743 GB, free: 12.61 MB / 0.4948 GB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0007538/0.0007538, allocations: 99.52 kB / 0.7935 GB, free: 40.12 MB / 0.5417 GB
Notification: Performance of FrontEnd - loaded program: time 0.000318/0.0003181, allocations: 8 kB / 0.9224 GB, free: 8.668 MB / 0.6355 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.5994/0.5998, allocations: 121.3 MB / 1.041 GB, free: 58.72 MB / 0.698 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X): time 0.1841/0.784, allocations: 170.9 MB / 1.208 GB, free: 7.758 MB / 0.7761 GB
Notification: Performance of NFInst.instExpressions: time 0.008415/0.7925, allocations: 5.484 MB / 1.213 GB, free: 2.203 MB / 0.7761 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001201/0.7937, allocations: 23.81 kB / 1.213 GB, free: 2.18 MB / 0.7761 GB
Notification: Performance of NFTyping.typeComponents: time 0.001591/0.7953, allocations: 374.6 kB / 1.213 GB, free: 1.91 MB / 0.7761 GB
Notification: Performance of NFTyping.typeBindings: time 0.004502/0.7998, allocations: 1.175 MB / 1.215 GB, free: 1 MB / 0.7761 GB
Notification: Performance of NFTyping.typeClassSections: time 0.002714/0.8026, allocations: 0.6642 MB / 1.215 GB, free: 476 kB / 0.7761 GB
Notification: Performance of NFFlatten.flatten: time 0.003012/0.8056, allocations: 1.848 MB / 1.217 GB, free: 14.96 MB / 0.7917 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0008287/0.8064, allocations: 412 kB / 1.217 GB, free: 14.64 MB / 0.7917 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003049/0.8095, allocations: 0.8976 MB / 1.218 GB, free: 13.9 MB / 0.7917 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0007884/0.8103, allocations: 451.6 kB / 1.219 GB, free: 13.53 MB / 0.7917 GB
Notification: Performance of NFPackage.collectConstants: time 5.875e-05/0.8104, allocations: 20 kB / 1.219 GB, free: 13.51 MB / 0.7917 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.002863/0.8132, allocations: 1.298 MB / 1.22 GB, free: 12.5 MB / 0.7917 GB
Notification: Performance of NFScalarize.scalarize: time 0.000252/0.8135, allocations: 174.7 kB / 1.22 GB, free: 12.37 MB / 0.7917 GB
Notification: Performance of NFVerifyModel.verify: time 0.0003706/0.8139, allocations: 321.6 kB / 1.221 GB, free: 12.06 MB / 0.7917 GB
Notification: Performance of NFConvertDAE.convert: time 0.002051/0.816, allocations: 1.223 MB / 1.222 GB, free: 11.15 MB / 0.7917 GB
Notification: Performance of FrontEnd - DAE generated: time 5.811e-06/0.816, allocations: 0 / 1.222 GB, free: 11.15 MB / 0.7917 GB
Notification: Performance of FrontEnd: time 1.904e-06/0.816, allocations: 0 / 1.222 GB, free: 11.15 MB / 0.7917 GB
Notification: Performance of Transformations before backend: time 1.039e-05/0.816, allocations: 0 / 1.222 GB, free: 11.15 MB / 0.7917 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 97
 * Number of variables: 97
Notification: Performance of Generate backend data structure: time 0.001905/0.8179, allocations: 0.9389 MB / 1.223 GB, free: 10.16 MB / 0.7917 GB
Notification: Performance of prepare preOptimizeDAE: time 3.994e-05/0.818, allocations: 8.031 kB / 1.223 GB, free: 10.16 MB / 0.7917 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001276/0.8192, allocations: 234.9 kB / 1.223 GB, free: 9.926 MB / 0.7917 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008104/0.8201, allocations: 0.5381 MB / 1.223 GB, free: 9.348 MB / 0.7917 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.587e-05/0.8201, allocations: 29 kB / 1.223 GB, free: 9.316 MB / 0.7917 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 6.495e-05/0.8202, allocations: 39.94 kB / 1.223 GB, free: 9.277 MB / 0.7917 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.001048/0.8212, allocations: 0.5349 MB / 1.224 GB, free: 8.723 MB / 0.7917 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.322e-05/0.8213, allocations: 4 kB / 1.224 GB, free: 8.719 MB / 0.7917 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.578e-05/0.8213, allocations: 12 kB / 1.224 GB, free: 8.707 MB / 0.7917 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.989e-05/0.8214, allocations: 24.97 kB / 1.224 GB, free: 8.684 MB / 0.7917 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001153/0.8225, allocations: 0.5152 MB / 1.225 GB, free: 8.168 MB / 0.7917 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 0.00325/0.8258, allocations: 2.227 MB / 1.227 GB, free: 5.75 MB / 0.7917 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0007288/0.8265, allocations: 351.7 kB / 1.227 GB, free: 5.379 MB / 0.7917 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002253/0.8267, allocations: 144.8 kB / 1.227 GB, free: 5.234 MB / 0.7917 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.001378/0.8281, allocations: 0.8611 MB / 1.228 GB, free: 4.207 MB / 0.7917 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003133/0.8285, allocations: 194.7 kB / 1.228 GB, free: 4 MB / 0.7917 GB
Notification: Performance of pre-optimization done (n=26): time 2.074e-06/0.8285, allocations: 0 / 1.228 GB, free: 4 MB / 0.7917 GB
Notification: Performance of matching and sorting (n=26): time 0.0009957/0.8295, allocations: 429.8 kB / 1.229 GB, free: 3.574 MB / 0.7917 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.565e-05/0.8295, allocations: 85.05 kB / 1.229 GB, free: 3.473 MB / 0.7917 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008968/0.8304, allocations: 0.6525 MB / 1.229 GB, free: 2.812 MB / 0.7917 GB
Notification: Performance of collectPreVariables (initialization): time 3.193e-05/0.8305, allocations: 33.7 kB / 1.229 GB, free: 2.773 MB / 0.7917 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0002408/0.8307, allocations: 319.7 kB / 1.23 GB, free: 2.457 MB / 0.7917 GB
Notification: Performance of collectInitialBindings (initialization): time 7.096e-05/0.8308, allocations: 86.75 kB / 1.23 GB, free: 2.371 MB / 0.7917 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 2.069e-05/0.8308, allocations: 4 kB / 1.23 GB, free: 2.367 MB / 0.7917 GB
Notification: Performance of setup shared object (initialization): time 0.0001516/0.831, allocations: 378.7 kB / 1.23 GB, free: 1.988 MB / 0.7917 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003914/0.8314, allocations: 131.9 kB / 1.23 GB, free: 1.859 MB / 0.7917 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004255/0.8318, allocations: 273 kB / 1.23 GB, free: 1.531 MB / 0.7917 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0006001/0.8324, allocations: 381.5 kB / 1.231 GB, free: 1.105 MB / 0.7917 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.288e-06/0.8325, allocations: 4 kB / 1.231 GB, free: 1.102 MB / 0.7917 GB
Notification: Performance of matching and sorting (n=43) (initialization): time 0.0009422/0.8334, allocations: 469.9 kB / 1.231 GB, free: 0.6367 MB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001309/0.8335, allocations: 215.9 kB / 1.232 GB, free: 376 kB / 0.7917 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.237e-06/0.8336, allocations: 4 kB / 1.232 GB, free: 372 kB / 0.7917 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.024e-05/0.8336, allocations: 8 kB / 1.232 GB, free: 364 kB / 0.7917 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004189/0.834, allocations: 83.95 kB / 1.232 GB, free: 280 kB / 0.7917 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.223e-05/0.834, allocations: 7.938 kB / 1.232 GB, free: 272 kB / 0.7917 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006175/0.8347, allocations: 93.39 kB / 1.232 GB, free: 180 kB / 0.7917 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.47e-05/0.8347, allocations: 23.98 kB / 1.232 GB, free: 156 kB / 0.7917 GB
Notification: Performance of prepare postOptimizeDAE: time 7.925e-06/0.8347, allocations: 4 kB / 1.232 GB, free: 152 kB / 0.7917 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0008414/0.8356, allocations: 385.2 kB / 1.232 GB, free: 15.77 MB / 0.8073 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.913e-06/0.8356, allocations: 4 kB / 1.232 GB, free: 15.77 MB / 0.8073 GB
Notification: Performance of postOpt tearingSystem (initialization): time 6.271e-06/0.8356, allocations: 12.41 kB / 1.232 GB, free: 15.76 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003842/0.836, allocations: 95.77 kB / 1.232 GB, free: 15.66 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 5.901e-06/0.836, allocations: 4 kB / 1.232 GB, free: 15.66 MB / 0.8073 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000468/0.8365, allocations: 71.58 kB / 1.232 GB, free: 15.59 MB / 0.8073 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.642e-05/0.8365, allocations: 20 kB / 1.232 GB, free: 15.57 MB / 0.8073 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 18
 * Number of states: 0 ()
 * Number of discrete variables: 5 ($whenCondition1,$PRE.XSet.nextTimeEvent,XSet.nextTimeEvent,$PRE.XSet.nextTimeEventScaled,XSet.nextTimeEventScaled)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (43):
 * Single equations (assignments): 43
 * 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 0.0003035/0.8368, allocations: 292.9 kB / 1.233 GB, free: 15.27 MB / 0.8073 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 7.419e-05/0.8369, allocations: 59.25 kB / 1.233 GB, free: 15.21 MB / 0.8073 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0005622/0.8375, allocations: 315.8 kB / 1.233 GB, free: 14.89 MB / 0.8073 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.56e-06/0.8375, allocations: 4 kB / 1.233 GB, free: 14.89 MB / 0.8073 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 5.931e-06/0.8375, allocations: 0 / 1.233 GB, free: 14.89 MB / 0.8073 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.893e-06/0.8375, allocations: 3.984 kB / 1.233 GB, free: 14.88 MB / 0.8073 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001413/0.8389, allocations: 1.088 MB / 1.234 GB, free: 13.71 MB / 0.8073 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.081e-06/0.839, allocations: 7.984 kB / 1.234 GB, free: 13.7 MB / 0.8073 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001803/0.8392, allocations: 35.92 kB / 1.234 GB, free: 13.66 MB / 0.8073 GB
Notification: Performance of postOpt tearingSystem (simulation): time 6.582e-06/0.8392, allocations: 4 kB / 1.234 GB, free: 13.66 MB / 0.8073 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.656e-05/0.8392, allocations: 16.31 kB / 1.234 GB, free: 13.64 MB / 0.8073 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.137e-06/0.8392, allocations: 3.984 kB / 1.234 GB, free: 13.64 MB / 0.8073 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.475e-06/0.8392, allocations: 4 kB / 1.234 GB, free: 13.64 MB / 0.8073 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006169/0.8398, allocations: 477.7 kB / 1.235 GB, free: 13.12 MB / 0.8073 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0001809/0.84, allocations: 168.2 kB / 1.235 GB, free: 12.94 MB / 0.8073 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.788e-05/0.8401, allocations: 8 kB / 1.235 GB, free: 12.93 MB / 0.8073 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003537/0.8405, allocations: 35.97 kB / 1.235 GB, free: 12.9 MB / 0.8073 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 6.798e-05/0.8406, allocations: 27.86 kB / 1.235 GB, free: 12.87 MB / 0.8073 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.388e-05/0.8406, allocations: 11.98 kB / 1.235 GB, free: 12.86 MB / 0.8073 GB
Notification: Performance of sorting global known variables: time 0.0006095/0.8412, allocations: 479 kB / 1.235 GB, free: 12.39 MB / 0.8073 GB
Notification: Performance of sort global known variables: time 1.3e-07/0.8412, allocations: 0 / 1.235 GB, free: 12.39 MB / 0.8073 GB
Notification: Performance of remove unused functions: time 0.0008775/0.8421, allocations: 271.5 kB / 1.235 GB, free: 12.13 MB / 0.8073 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 11
 * Number of states: 0 ()
 * Number of discrete variables: 3 ($whenCondition1,XSet.nextTimeEvent,XSet.nextTimeEventScaled)
 * Number of discrete states: 2 (XSet.nextTimeEvent,XSet.nextTimeEventScaled)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (25):
 * Single equations (assignments): 23
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 2
 * 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 0.001146/0.8433, allocations: 0.5632 MB / 1.236 GB, free: 11.71 MB / 0.8073 GB
Notification: Performance of simCode: created initialization part: time 0.001088/0.8444, allocations: 0.4961 MB / 1.237 GB, free: 11.22 MB / 0.8073 GB
Notification: Performance of simCode: created event and clocks part: time 3.236e-06/0.8444, allocations: 0 / 1.237 GB, free: 11.22 MB / 0.8073 GB
Notification: Performance of simCode: created simulation system equations: time 0.0002071/0.8446, allocations: 131.7 kB / 1.237 GB, free: 11.09 MB / 0.8073 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001446/0.846, allocations: 272.2 kB / 1.237 GB, free: 10.83 MB / 0.8073 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001777/0.8478, allocations: 1.24 MB / 1.238 GB, free: 9.535 MB / 0.8073 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004717/0.8483, allocations: 0.8941 MB / 1.239 GB, free: 8.613 MB / 0.8073 GB
Notification: Performance of simCode: alias equations: time 0.0008488/0.8492, allocations: 164.8 kB / 1.239 GB, free: 8.453 MB / 0.8073 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001468/0.8493, allocations: 43.44 kB / 1.239 GB, free: 8.41 MB / 0.8073 GB
Notification: Performance of SimCode: time 5.31e-07/0.8493, allocations: 0 / 1.239 GB, free: 8.41 MB / 0.8073 GB
Notification: Performance of Templates: time 0.01765/0.867, allocations: 10.07 MB / 1.249 GB, free: 14.48 MB / 0.823 GB
make -j1 -f Buildings_latest_Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X.makefile
(rm -f Buildings_latest_Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X.pipe ; mkfifo Buildings_latest_Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X.pipe ; head -c 1048576 < Buildings_latest_Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X.pipe >> ../files/Buildings_latest_Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X.sim & ./Buildings_latest_Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_latest_Buildings.Fluid.Humidifiers.Validation.SprayAirWasher_X.pipe 2>&1)