Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.conf.json
loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/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 7.0.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo)
Running command: translateModel(Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar")
translateModel(Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar")
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 2.314/2.314, allocations: 254.9 MB / 269.9 MB, free: 9.645 MB / 218.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001388/0.001388, allocations: 190.2 kB / 329.5 MB, free: 1.164 MB / 250.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 2.553/2.553, allocations: 225.6 MB / 0.6001 GB, free: 2.258 MB / 426.7 MB
Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001001/0.001001, allocations: 91.11 kB / 0.7074 GB, free: 7.98 MB / 0.5261 GB
Notification: Performance of FrontEnd - loaded program: time 0.0004858/0.0004861, allocations: 11.34 kB / 0.8242 GB, free: 124.2 MB / 0.5886 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2258/0.2263, allocations: 109.1 MB / 0.9308 GB, free: 25.16 MB / 0.5886 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar): time 0.1669/0.3933, allocations: 69.44 MB / 0.9986 GB, free: 3.523 MB / 0.6355 GB
Notification: Performance of NFInst.instExpressions: time 0.04251/0.4359, allocations: 14.03 MB / 1.012 GB, free: 5.465 MB / 0.6511 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.003353/0.4393, allocations: 55.62 kB / 1.012 GB, free: 5.41 MB / 0.6511 GB
Notification: Performance of NFTyping.typeComponents: time 0.004318/0.4437, allocations: 0.5627 MB / 1.013 GB, free: 4.844 MB / 0.6511 GB
Notification: Performance of NFTyping.typeBindings: time 0.01292/0.4567, allocations: 1.966 MB / 1.015 GB, free: 2.867 MB / 0.6511 GB
Notification: Performance of NFTyping.typeClassSections: time 0.007175/0.4639, allocations: 0.951 MB / 1.016 GB, free: 1.914 MB / 0.6511 GB
Notification: Performance of NFFlatten.flatten: time 0.6884/1.152, allocations: 4.794 MB / 1.02 GB, free: 33.38 MB / 0.6511 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003473/1.156, allocations: 1.091 MB / 1.021 GB, free: 33.28 MB / 0.6511 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.00491/1.161, allocations: 1.275 MB / 1.023 GB, free: 33.28 MB / 0.6511 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003747/1.165, allocations: 1.078 MB / 1.024 GB, free: 33.28 MB / 0.6511 GB
Notification: Performance of NFPackage.collectConstants: time 0.0007452/1.165, allocations: 55.66 kB / 1.024 GB, free: 33.28 MB / 0.6511 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.004691/1.17, allocations: 0.9235 MB / 1.025 GB, free: 33.28 MB / 0.6511 GB
Notification: Performance of NFScalarize.scalarize: time 0.0009845/1.171, allocations: 271.5 kB / 1.025 GB, free: 33.28 MB / 0.6511 GB
Notification: Performance of NFVerifyModel.verify: time 0.00124/1.172, allocations: 351.5 kB / 1.025 GB, free: 33.25 MB / 0.6511 GB
Notification: Performance of NFConvertDAE.convert: time 0.005164/1.178, allocations: 2.068 MB / 1.027 GB, free: 33.18 MB / 0.6511 GB
Notification: Performance of FrontEnd - DAE generated: time 8.927e-06/1.178, allocations: 0.7812 kB / 1.027 GB, free: 33.18 MB / 0.6511 GB
Notification: Performance of FrontEnd: time 3.116e-06/1.178, allocations: 0 / 1.027 GB, free: 33.18 MB / 0.6511 GB
Notification: Performance of Transformations before backend: time 8.752e-05/1.178, allocations: 1.875 kB / 1.027 GB, free: 33.18 MB / 0.6511 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 240
 * Number of variables: 240
Notification: Performance of Generate backend data structure: time 0.006989/1.185, allocations: 1.802 MB / 1.029 GB, free: 32.19 MB / 0.6511 GB
Notification: Performance of prepare preOptimizeDAE: time 5.04e-05/1.185, allocations: 9.312 kB / 1.029 GB, free: 32.19 MB / 0.6511 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001938/1.187, allocations: 239.1 kB / 1.029 GB, free: 32.1 MB / 0.6511 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.005013/1.192, allocations: 1.426 MB / 1.031 GB, free: 31.74 MB / 0.6511 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001204/1.192, allocations: 81.72 kB / 1.031 GB, free: 31.73 MB / 0.6511 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003631/1.192, allocations: 102 kB / 1.031 GB, free: 31.73 MB / 0.6511 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.004152/1.197, allocations: 1.106 MB / 1.032 GB, free: 31.59 MB / 0.6511 GB
Notification: Performance of preOpt findStateOrder (simulation): time 5.605e-05/1.197, allocations: 5.719 kB / 1.032 GB, free: 31.59 MB / 0.6511 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001688/1.197, allocations: 35.98 kB / 1.032 GB, free: 31.59 MB / 0.6511 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.153e-05/1.197, allocations: 28.89 kB / 1.032 GB, free: 31.59 MB / 0.6511 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004176/1.201, allocations: 0.9224 MB / 1.033 GB, free: 31.58 MB / 0.6511 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 0.01149/1.213, allocations: 4.912 MB / 1.038 GB, free: 29.36 MB / 0.6511 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.002798/1.216, allocations: 0.634 MB / 1.038 GB, free: 29.33 MB / 0.6511 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001527/1.217, allocations: 368.7 kB / 1.039 GB, free: 29.32 MB / 0.6511 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.0007967/1.218, allocations: 0.8224 MB / 1.04 GB, free: 28.38 MB / 0.6511 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 6.135e-05/1.218, allocations: 52.5 kB / 1.04 GB, free: 28.33 MB / 0.6511 GB
Notification: Performance of pre-optimization done (n=61): time 5.911e-06/1.218, allocations: 3.984 kB / 1.04 GB, free: 28.33 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=61): time 0.01419/1.232, allocations: 1.883 MB / 1.041 GB, free: 28.05 MB / 0.6511 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.947e-05/1.233, allocations: 57.47 kB / 1.041 GB, free: 27.99 MB / 0.6511 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002974/1.235, allocations: 1.196 MB / 1.043 GB, free: 27.83 MB / 0.6511 GB
Notification: Performance of collectPreVariables (initialization): time 0.0002841/1.236, allocations: 43.45 kB / 1.043 GB, free: 27.8 MB / 0.6511 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0007168/1.237, allocations: 0.6027 MB / 1.043 GB, free: 27.59 MB / 0.6511 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0003466/1.237, allocations: 217 kB / 1.043 GB, free: 27.45 MB / 0.6511 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 6.229e-05/1.237, allocations: 16.53 kB / 1.043 GB, free: 27.45 MB / 0.6511 GB
Notification: Performance of setup shared object (initialization): time 8.891e-05/1.237, allocations: 336.4 kB / 1.044 GB, free: 27.14 MB / 0.6511 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.001446/1.239, allocations: 292.6 kB / 1.044 GB, free: 27.14 MB / 0.6511 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.002558/1.241, allocations: 0.5078 MB / 1.045 GB, free: 26.93 MB / 0.6511 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.002317/1.244, allocations: 360.3 kB / 1.045 GB, free: 26.92 MB / 0.6511 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.505e-05/1.244, allocations: 1.219 kB / 1.045 GB, free: 26.92 MB / 0.6511 GB
Notification: Performance of matching and sorting (n=88) (initialization): time 0.01196/1.256, allocations: 1.401 MB / 1.046 GB, free: 26.76 MB / 0.6511 GB
Notification: Performance of prepare postOptimizeDAE: time 0.0001281/1.256, allocations: 195 kB / 1.046 GB, free: 26.54 MB / 0.6511 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.385e-05/1.256, allocations: 3 kB / 1.046 GB, free: 26.54 MB / 0.6511 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001002/1.257, allocations: 148.8 kB / 1.047 GB, free: 26.53 MB / 0.6511 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001387/1.258, allocations: 163.5 kB / 1.047 GB, free: 26.53 MB / 0.6511 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001337/1.26, allocations: 0.7198 MB / 1.047 GB, free: 26 MB / 0.6511 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002689/1.262, allocations: 173.7 kB / 1.048 GB, free: 25.95 MB / 0.6511 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002593/1.263, allocations: 33.41 kB / 1.048 GB, free: 25.95 MB / 0.6511 GB
Notification: Performance of prepare postOptimizeDAE: time 1.577e-05/1.263, allocations: 10.19 kB / 1.048 GB, free: 25.95 MB / 0.6511 GB
Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.01209/1.275, allocations: 1.25 MB / 1.049 GB, free: 25.89 MB / 0.6511 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.282e-05/1.275, allocations: 4.438 kB / 1.049 GB, free: 25.89 MB / 0.6511 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.001342/1.276, allocations: 147.1 kB / 1.049 GB, free: 25.88 MB / 0.6511 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001968/1.278, allocations: 164.3 kB / 1.049 GB, free: 25.88 MB / 0.6511 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004277/1.283, allocations: 0.7212 MB / 1.05 GB, free: 25.34 MB / 0.6511 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005192/1.288, allocations: 164.1 kB / 1.05 GB, free: 25.3 MB / 0.6511 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003761/1.288, allocations: 33.5 kB / 1.05 GB, free: 25.3 MB / 0.6511 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 16
 * 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 (78):
 * Single equations (assignments): 77
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 1 {1 10}
Notification: Performance of prepare postOptimizeDAE: time 0.001913/1.29, allocations: 417.5 kB / 1.051 GB, free: 25.11 MB / 0.6511 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001053/1.291, allocations: 131.2 kB / 1.051 GB, free: 25.04 MB / 0.6511 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01537/1.307, allocations: 1.41 MB / 1.052 GB, free: 24.89 MB / 0.6511 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.943e-05/1.307, allocations: 7 kB / 1.052 GB, free: 24.89 MB / 0.6511 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.605e-05/1.307, allocations: 2.297 kB / 1.052 GB, free: 24.89 MB / 0.6511 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.01607/1.323, allocations: 1.23 MB / 1.053 GB, free: 24.68 MB / 0.6511 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01608/1.339, allocations: 2.716 MB / 1.056 GB, free: 24.15 MB / 0.6511 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.731e-05/1.339, allocations: 7.906 kB / 1.056 GB, free: 24.15 MB / 0.6511 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001026/1.34, allocations: 124.9 kB / 1.056 GB, free: 24.14 MB / 0.6511 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0008733/1.341, allocations: 141.8 kB / 1.056 GB, free: 24.13 MB / 0.6511 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0001626/1.341, allocations: 15.84 kB / 1.056 GB, free: 24.13 MB / 0.6511 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.007959/1.349, allocations: 2.488 MB / 1.059 GB, free: 22.68 MB / 0.6511 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.297e-06/1.349, allocations: 11.47 kB / 1.059 GB, free: 22.68 MB / 0.6511 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01031/1.36, allocations: 1.839 MB / 1.06 GB, free: 22.28 MB / 0.6511 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001328/1.361, allocations: 334 kB / 1.061 GB, free: 22.1 MB / 0.6511 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006279/1.362, allocations: 14.5 kB / 1.061 GB, free: 22.1 MB / 0.6511 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002309/1.364, allocations: 100.2 kB / 1.061 GB, free: 22.09 MB / 0.6511 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0002927/1.365, allocations: 57.06 kB / 1.061 GB, free: 22.09 MB / 0.6511 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001413/1.365, allocations: 33.23 kB / 1.061 GB, free: 22.08 MB / 0.6511 GB
Notification: Performance of sorting global known variables: time 0.002453/1.367, allocations: 0.8522 MB / 1.062 GB, free: 21.97 MB / 0.6511 GB
Notification: Performance of sort global known variables: time 1.603e-06/1.367, allocations: 0 / 1.062 GB, free: 21.97 MB / 0.6511 GB
Notification: Performance of remove unused functions: time 0.00439/1.372, allocations: 0.703 MB / 1.062 GB, free: 21.89 MB / 0.6511 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 15
 * Number of states: 2 (heaPum.con.vol.dynBal.U,heaPum.eva.vol.dynBal.U)
 * 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 (55):
 * Single equations (assignments): 50
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 4
 * When equations: 0
 * If-equations: 0
 * Equation systems (linear and non-linear blocks): 0
 * Torn equation systems: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems: 0
 * Non-linear torn systems: 1 {1 10}
Notification: Performance of Backend phase and start with SimCode phase: time 0.001415/1.373, allocations: 444 kB / 1.063 GB, free: 21.71 MB / 0.6511 GB
Notification: Performance of simCode: created initialization part: time 0.004963/1.378, allocations: 1.161 MB / 1.064 GB, free: 21.69 MB / 0.6511 GB
Notification: Performance of simCode: created event and clocks part: time 1.116e-05/1.378, allocations: 0.9688 kB / 1.064 GB, free: 21.69 MB / 0.6511 GB
Notification: Performance of simCode: created simulation system equations: time 0.002781/1.381, allocations: 0.5989 MB / 1.065 GB, free: 21.55 MB / 0.6511 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.007391/1.388, allocations: 0.7689 MB / 1.065 GB, free: 21.47 MB / 0.6511 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.006761/1.395, allocations: 2.758 MB / 1.068 GB, free: 20.06 MB / 0.6511 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008719/1.396, allocations: 1.172 MB / 1.069 GB, free: 19.28 MB / 0.6511 GB
Notification: Performance of simCode: alias equations: time 0.002302/1.398, allocations: 307.2 kB / 1.069 GB, free: 19.13 MB / 0.6511 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005266/1.399, allocations: 99.98 kB / 1.07 GB, free: 19.12 MB / 0.6511 GB
Notification: Performance of SimCode: time 1.162e-06/1.399, allocations: 0 / 1.07 GB, free: 19.12 MB / 0.6511 GB
Notification: Performance of Templates: time 0.08018/1.479, allocations: 29.56 MB / 1.098 GB, free: 13.5 MB / 0.6667 GB
make -j1 -f Buildings_7.0.0_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.makefile
(rm -f Buildings_7.0.0_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.pipe ; mkfifo Buildings_7.0.0_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.pipe ; head -c 1048576 < Buildings_7.0.0_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.pipe >> ../files/Buildings_7.0.0_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.sim & ./Buildings_7.0.0_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_7.0.0_Buildings.Fluid.HeatPumps.Validation.Carnot_y_etaCar.pipe 2>&1)