Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Annex60_1.0.0_Annex60.Fluid.Actuators.Dampers.Examples.Damper.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 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Annex60 1.0.0/package.mo", uses=false)
Using package Annex60 with version 1.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Annex60 1.0.0/package.mo)
Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+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: translateModel(Annex60.Fluid.Actuators.Dampers.Examples.Damper,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Annex60_1.0.0_Annex60.Fluid.Actuators.Dampers.Examples.Damper")
translateModel(Annex60.Fluid.Actuators.Dampers.Examples.Damper,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Annex60_1.0.0_Annex60.Fluid.Actuators.Dampers.Examples.Damper")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00162/0.00162, allocations: 111.3 kB / 15.23 MB, free: 0.6602 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001703/0.001703, allocations: 192.2 kB / 16.13 MB, free: 6.699 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.565/1.565, allocations: 205.1 MB / 222 MB, free: 4.75 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Annex60 1.0.0/package.mo): time 0.402/0.402, allocations: 54.93 MB / 324.3 MB, free: 64 kB / 254.1 MB
Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Annex60 requested package Modelica of version 3.2.2. Modelica 3.2.3 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.00168/0.00168, allocations: 59.91 kB / 394.7 MB, free: 12.19 MB / 334.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1498/0.1515, allocations: 59.58 MB / 454.3 MB, free: 0.5352 MB / 382.1 MB
Notification: Performance of NFInst.instantiate(Annex60.Fluid.Actuators.Dampers.Examples.Damper): time 0.4136/0.5651, allocations: 159.7 MB / 0.5997 GB, free: 8.074 MB / 478.1 MB
Notification: Performance of NFInst.instExpressions: time 0.008172/0.5733, allocations: 4.969 MB / 0.6045 GB, free: 3.102 MB / 478.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.000517/0.5739, allocations: 15.88 kB / 0.6045 GB, free: 3.086 MB / 478.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.0008496/0.5748, allocations: 214.9 kB / 0.6047 GB, free: 2.875 MB / 478.1 MB
Notification: Performance of NFTyping.typeBindings: time 0.001236/0.576, allocations: 477.8 kB / 0.6052 GB, free: 2.406 MB / 478.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.001555/0.5776, allocations: 0.5374 MB / 0.6057 GB, free: 1.875 MB / 478.1 MB
Notification: Performance of NFFlatten.flatten: time 0.001549/0.5792, allocations: 1.334 MB / 0.607 GB, free: 0.5391 MB / 478.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0004105/0.5796, allocations: 259.9 kB / 0.6073 GB, free: 292 kB / 478.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.0008394/0.5804, allocations: 430.2 kB / 0.6077 GB, free: 15.86 MB / 494.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.0004157/0.5809, allocations: 334.7 kB / 0.608 GB, free: 15.54 MB / 494.1 MB
Notification: Performance of NFPackage.collectConstants: time 6.959e-05/0.5809, allocations: 20 kB / 0.608 GB, free: 15.52 MB / 494.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.0009908/0.5819, allocations: 0.5576 MB / 0.6086 GB, free: 14.96 MB / 494.1 MB
Notification: Performance of NFScalarize.scalarize: time 0.0001798/0.5821, allocations: 155.5 kB / 0.6087 GB, free: 14.8 MB / 494.1 MB
Notification: Performance of NFVerifyModel.verify: time 0.000264/0.5824, allocations: 242.8 kB / 0.609 GB, free: 14.57 MB / 494.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.0009027/0.5833, allocations: 0.7673 MB / 0.6097 GB, free: 13.8 MB / 494.1 MB
Notification: Performance of FrontEnd - DAE generated: time 4.208e-06/0.5833, allocations: 0 / 0.6097 GB, free: 13.8 MB / 494.1 MB
Notification: Performance of FrontEnd: time 1.012e-06/0.5833, allocations: 0 / 0.6097 GB, free: 13.8 MB / 494.1 MB
Notification: Performance of Transformations before backend: time 7.223e-06/0.5834, allocations: 4 kB / 0.6097 GB, free: 13.79 MB / 494.1 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 70
 * Number of variables: 70
Notification: Performance of Generate backend data structure: time 0.001789/0.5852, allocations: 0.8596 MB / 0.6105 GB, free: 12.88 MB / 494.1 MB
Notification: Performance of prepare preOptimizeDAE: time 4.064e-05/0.5852, allocations: 8.031 kB / 0.6106 GB, free: 12.88 MB / 494.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0003785/0.5856, allocations: 64.17 kB / 0.6106 GB, free: 12.81 MB / 494.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006838/0.5863, allocations: 414.9 kB / 0.611 GB, free: 12.36 MB / 494.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.127e-05/0.5863, allocations: 20.56 kB / 0.611 GB, free: 12.34 MB / 494.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 4.21e-05/0.5864, allocations: 32 kB / 0.6111 GB, free: 12.31 MB / 494.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0008437/0.5872, allocations: 360.7 kB / 0.6114 GB, free: 11.95 MB / 494.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 1.366e-05/0.5872, allocations: 0.625 kB / 0.6114 GB, free: 11.95 MB / 494.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.633e-05/0.5873, allocations: 19.98 kB / 0.6114 GB, free: 11.93 MB / 494.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.617e-06/0.5873, allocations: 8.875 kB / 0.6114 GB, free: 11.93 MB / 494.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.00074/0.5881, allocations: 298 kB / 0.6117 GB, free: 11.64 MB / 494.1 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001778/0.5899, allocations: 1.09 MB / 0.6128 GB, free: 10.47 MB / 494.1 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.000567/0.5904, allocations: 166.6 kB / 0.6129 GB, free: 10.3 MB / 494.1 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001449/0.5906, allocations: 68.81 kB / 0.613 GB, free: 10.23 MB / 494.1 MB
Notification: Performance of preOpt evalFunc (simulation): time 2.355e-05/0.5906, allocations: 0 / 0.613 GB, free: 10.23 MB / 494.1 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.856e-05/0.5907, allocations: 47.42 kB / 0.613 GB, free: 10.17 MB / 494.1 MB
Notification: Performance of pre-optimization done (n=9): time 1.332e-06/0.5907, allocations: 0 / 0.613 GB, free: 10.17 MB / 494.1 MB
Notification: Performance of matching and sorting (n=9): time 0.0009895/0.5917, allocations: 286.3 kB / 0.6133 GB, free: 9.887 MB / 494.1 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.012e-05/0.5917, allocations: 63.34 kB / 0.6134 GB, free: 9.812 MB / 494.1 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006096/0.5923, allocations: 0.529 MB / 0.6139 GB, free: 9.277 MB / 494.1 MB
Notification: Performance of collectPreVariables (initialization): time 3.268e-05/0.5924, allocations: 33.7 kB / 0.6139 GB, free: 9.238 MB / 494.1 MB
Notification: Performance of collectInitialEqns (initialization): time 0.000171/0.5926, allocations: 231.8 kB / 0.6142 GB, free: 9.008 MB / 494.1 MB
Notification: Performance of collectInitialBindings (initialization): time 2.621e-05/0.5926, allocations: 28.41 kB / 0.6142 GB, free: 8.98 MB / 494.1 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 8.472e-05/0.5927, allocations: 45.61 kB / 0.6142 GB, free: 8.93 MB / 494.1 MB
Notification: Performance of setup shared object (initialization): time 0.0001292/0.5928, allocations: 346.8 kB / 0.6146 GB, free: 8.582 MB / 494.1 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.000219/0.593, allocations: 90.52 kB / 0.6146 GB, free: 8.492 MB / 494.1 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002544/0.5933, allocations: 158.7 kB / 0.6148 GB, free: 8.301 MB / 494.1 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0004112/0.5937, allocations: 224.6 kB / 0.615 GB, free: 8.055 MB / 494.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.655e-06/0.5937, allocations: 0 / 0.615 GB, free: 8.055 MB / 494.1 MB
Notification: Performance of matching and sorting (n=20) (initialization): time 0.0005748/0.5943, allocations: 287.9 kB / 0.6153 GB, free: 7.77 MB / 494.1 MB
Notification: Performance of prepare postOptimizeDAE: time 1.776e-05/0.5944, allocations: 12 kB / 0.6153 GB, free: 7.758 MB / 494.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.023e-06/0.5944, allocations: 1.312 kB / 0.6153 GB, free: 7.758 MB / 494.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 1.605e-05/0.5944, allocations: 4 kB / 0.6153 GB, free: 7.754 MB / 494.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.00149/0.5959, allocations: 207.6 kB / 0.6155 GB, free: 7.551 MB / 494.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002459/0.5984, allocations: 1.54 MB / 0.617 GB, free: 5.883 MB / 494.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0004831/0.5989, allocations: 55.62 kB / 0.6171 GB, free: 5.828 MB / 494.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.14e-05/0.5989, allocations: 12 kB / 0.6171 GB, free: 5.816 MB / 494.1 MB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002878/0.5992, allocations: 192.1 kB / 0.6172 GB, free: 5.625 MB / 494.1 MB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002117/0.5994, allocations: 163.2 kB / 0.6174 GB, free: 5.43 MB / 494.1 MB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0003274/0.5997, allocations: 206.1 kB / 0.6176 GB, free: 5.199 MB / 494.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.785e-06/0.5998, allocations: 0.5469 kB / 0.6176 GB, free: 5.199 MB / 494.1 MB
Notification: Performance of matching and sorting (n=20) (initialization_lambda0): time 0.0004889/0.6003, allocations: 265 kB / 0.6179 GB, free: 4.934 MB / 494.1 MB
Notification: Performance of prepare postOptimizeDAE: time 1.452e-05/0.6003, allocations: 7.938 kB / 0.6179 GB, free: 4.926 MB / 494.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.693e-06/0.6003, allocations: 5.25 kB / 0.6179 GB, free: 4.922 MB / 494.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 4.709e-06/0.6003, allocations: 4 kB / 0.6179 GB, free: 4.918 MB / 494.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002134/0.6005, allocations: 48.28 kB / 0.6179 GB, free: 4.871 MB / 494.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.031e-06/0.6005, allocations: 4.625 kB / 0.6179 GB, free: 4.867 MB / 494.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003653/0.6009, allocations: 28.03 kB / 0.6179 GB, free: 4.84 MB / 494.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.418e-05/0.6009, allocations: 12 kB / 0.618 GB, free: 4.828 MB / 494.1 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 9
 * 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 (20):
 * Single equations (assignments): 19
 * 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 prepare postOptimizeDAE: time 0.0004185/0.6014, allocations: 201 kB / 0.6181 GB, free: 4.625 MB / 494.1 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001006/0.6015, allocations: 43.47 kB / 0.6182 GB, free: 4.582 MB / 494.1 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006714/0.6021, allocations: 221 kB / 0.6184 GB, free: 4.352 MB / 494.1 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 4.849e-06/0.6022, allocations: 8 kB / 0.6184 GB, free: 4.344 MB / 494.1 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.403e-06/0.6022, allocations: 0 / 0.6184 GB, free: 4.344 MB / 494.1 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.847e-06/0.6022, allocations: 0 / 0.6184 GB, free: 4.344 MB / 494.1 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001326/0.6035, allocations: 0.7343 MB / 0.6191 GB, free: 3.535 MB / 494.1 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.054e-06/0.6035, allocations: 0 / 0.6191 GB, free: 3.535 MB / 494.1 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001245/0.6048, allocations: 179.9 kB / 0.6193 GB, free: 3.359 MB / 494.1 MB
Notification: Performance of postOpt tearingSystem (simulation): time 3.687e-06/0.6048, allocations: 0 / 0.6193 GB, free: 3.359 MB / 494.1 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.033e-05/0.6048, allocations: 8 kB / 0.6193 GB, free: 3.352 MB / 494.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002236/0.6071, allocations: 1.514 MB / 0.6208 GB, free: 1.707 MB / 494.1 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.116e-06/0.6071, allocations: 0.5469 kB / 0.6208 GB, free: 1.707 MB / 494.1 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006493/0.6077, allocations: 356.1 kB / 0.6211 GB, free: 1.324 MB / 494.1 MB
Notification: Performance of postOpt removeConstants (simulation): time 0.0002299/0.608, allocations: 144.6 kB / 0.6213 GB, free: 1.164 MB / 494.1 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.389e-05/0.608, allocations: 16.42 kB / 0.6213 GB, free: 1.148 MB / 494.1 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0004633/0.6085, allocations: 27.97 kB / 0.6213 GB, free: 1.121 MB / 494.1 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 8.044e-05/0.6086, allocations: 11.92 kB / 0.6213 GB, free: 1.109 MB / 494.1 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.801e-05/0.6087, allocations: 12.62 kB / 0.6213 GB, free: 1.098 MB / 494.1 MB
Notification: Performance of sorting global known variables: time 0.0005541/0.6092, allocations: 387.1 kB / 0.6217 GB, free: 0.7266 MB / 494.1 MB
Notification: Performance of sort global known variables: time 1.51e-07/0.6092, allocations: 4 kB / 0.6217 GB, free: 0.7227 MB / 494.1 MB
Notification: Performance of remove unused functions: time 0.0007839/0.61, allocations: 187.7 kB / 0.6219 GB, free: 0.5391 MB / 494.1 MB
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 (10):
 * Single equations (assignments): 9
 * 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 0.000511/0.6105, allocations: 155.5 kB / 0.622 GB, free: 396 kB / 494.1 MB
Notification: Performance of simCode: created initialization part: time 0.002082/0.6126, allocations: 452.9 kB / 0.6225 GB, free: 15.94 MB / 0.4981 GB
Notification: Performance of simCode: created event and clocks part: time 5.05e-06/0.6127, allocations: 0.75 kB / 0.6225 GB, free: 15.94 MB / 0.4981 GB
Notification: Performance of simCode: created simulation system equations: time 0.002359/0.615, allocations: 403.8 kB / 0.6228 GB, free: 15.55 MB / 0.4981 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001358/0.6164, allocations: 235.5 kB / 0.6231 GB, free: 15.33 MB / 0.4981 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001966/0.6184, allocations: 0.8973 MB / 0.6239 GB, free: 14.39 MB / 0.4981 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003584/0.6187, allocations: 0.8116 MB / 0.6247 GB, free: 13.55 MB / 0.4981 GB
Notification: Performance of simCode: alias equations: time 0.0004078/0.6192, allocations: 88.22 kB / 0.6248 GB, free: 13.47 MB / 0.4981 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 9.203e-05/0.6193, allocations: 35.42 kB / 0.6249 GB, free: 13.44 MB / 0.4981 GB
Notification: Performance of SimCode: time 6.21e-07/0.6193, allocations: 0 / 0.6249 GB, free: 13.44 MB / 0.4981 GB
Notification: Performance of Templates: time 0.01491/0.6342, allocations: 8.292 MB / 0.633 GB, free: 5.289 MB / 0.4981 GB
make -j1 -f Annex60_1.0.0_Annex60.Fluid.Actuators.Dampers.Examples.Damper.makefile
(rm -f Annex60_1.0.0_Annex60.Fluid.Actuators.Dampers.Examples.Damper.pipe ; mkfifo Annex60_1.0.0_Annex60.Fluid.Actuators.Dampers.Examples.Damper.pipe ; head -c 1048576 < Annex60_1.0.0_Annex60.Fluid.Actuators.Dampers.Examples.Damper.pipe >> ../files/Annex60_1.0.0_Annex60.Fluid.Actuators.Dampers.Examples.Damper.sim & ./Annex60_1.0.0_Annex60.Fluid.Actuators.Dampers.Examples.Damper  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Annex60_1.0.0_Annex60.Fluid.Actuators.Dampers.Examples.Damper.pipe 2>&1)