Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Annex60_1.0.0_Annex60.Fluid.MixingVolumes.Validation.MixingVolumeInitialization.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.MixingVolumes.Validation.MixingVolumeInitialization,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Annex60_1.0.0_Annex60.Fluid.MixingVolumes.Validation.MixingVolumeInitialization")
translateModel(Annex60.Fluid.MixingVolumes.Validation.MixingVolumeInitialization,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Annex60_1.0.0_Annex60.Fluid.MixingVolumes.Validation.MixingVolumeInitialization")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.01013/0.01013, allocations: 96.98 kB / 15.73 MB, free: 5.988 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.002233/0.002233, allocations: 188 kB / 16.67 MB, free: 5.918 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.635/1.635, allocations: 205.1 MB / 222.6 MB, free: 4.531 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Annex60 1.0.0/package.mo): time 0.4387/0.4387, allocations: 54.95 MB / 324.8 MB, free: 15.96 MB / 270.1 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 0.001982/0.001982, allocations: 79.06 kB / 456.2 MB, free: 38.78 MB / 382.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1729/0.1749, allocations: 59.58 MB / 0.5037 GB, free: 9.945 MB / 382.1 MB
Notification: Performance of NFInst.instantiate(Annex60.Fluid.MixingVolumes.Validation.MixingVolumeInitialization): time 0.7509/0.9258, allocations: 187.8 MB / 0.6871 GB, free: 15.8 MB / 0.5137 GB
Notification: Performance of NFInst.instExpressions: time 0.01819/0.9441, allocations: 10.61 MB / 0.6975 GB, free: 15.55 MB / 0.5137 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.002382/0.9466, allocations: 39 kB / 0.6975 GB, free: 15.55 MB / 0.5137 GB
Notification: Performance of NFTyping.typeComponents: time 0.001984/0.9486, allocations: 0.5637 MB / 0.6981 GB, free: 15.55 MB / 0.5137 GB
Notification: Performance of NFTyping.typeBindings: time 0.009338/0.9579, allocations: 2.459 MB / 0.7005 GB, free: 15.42 MB / 0.5137 GB
Notification: Performance of NFTyping.typeClassSections: time 0.00827/0.9662, allocations: 2.52 MB / 0.703 GB, free: 15.34 MB / 0.5137 GB
Notification: Performance of NFFlatten.flatten: time 0.006194/0.9724, allocations: 3.137 MB / 0.706 GB, free: 15.14 MB / 0.5137 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.00174/0.9742, allocations: 0.8579 MB / 0.7069 GB, free: 14.84 MB / 0.5137 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.003111/0.9773, allocations: 1.17 MB / 0.708 GB, free: 14.29 MB / 0.5137 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.002833/0.9802, allocations: 1.139 MB / 0.7091 GB, free: 13.73 MB / 0.5137 GB
Notification: Performance of NFPackage.collectConstants: time 0.0002736/0.9805, allocations: 117.2 kB / 0.7092 GB, free: 13.73 MB / 0.5137 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.007122/0.9876, allocations: 2.676 MB / 0.7118 GB, free: 12.46 MB / 0.5137 GB
Notification: Performance of NFScalarize.scalarize: time 0.0008726/0.9885, allocations: 0.5042 MB / 0.7123 GB, free: 12.12 MB / 0.5137 GB
Notification: Performance of NFVerifyModel.verify: time 0.001318/0.9898, allocations: 0.6577 MB / 0.713 GB, free: 11.71 MB / 0.5137 GB
Notification: Performance of NFConvertDAE.convert: time 0.009589/0.9994, allocations: 3.116 MB / 0.716 GB, free: 9.902 MB / 0.5137 GB
Notification: Performance of FrontEnd - DAE generated: time 6.953e-06/0.9995, allocations: 0 / 0.716 GB, free: 9.902 MB / 0.5137 GB
Notification: Performance of FrontEnd: time 2.435e-06/0.9995, allocations: 2.906 kB / 0.716 GB, free: 9.902 MB / 0.5137 GB
Notification: Performance of Transformations before backend: time 6.513e-05/0.9996, allocations: 0 / 0.716 GB, free: 9.902 MB / 0.5137 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 205
 * Number of variables: 205
Notification: Performance of Generate backend data structure: time 0.005329/1.005, allocations: 1.823 MB / 0.7178 GB, free: 8.559 MB / 0.5137 GB
Notification: Performance of prepare preOptimizeDAE: time 5.057e-05/1.005, allocations: 10.09 kB / 0.7178 GB, free: 8.559 MB / 0.5137 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001824/1.007, allocations: 291.8 kB / 0.7181 GB, free: 8.414 MB / 0.5137 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001792/1.009, allocations: 0.8448 MB / 0.7189 GB, free: 7.777 MB / 0.5137 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.49e-05/1.009, allocations: 62.17 kB / 0.719 GB, free: 7.754 MB / 0.5137 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001371/1.009, allocations: 75.08 kB / 0.719 GB, free: 7.734 MB / 0.5137 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.002086/1.011, allocations: 1.158 MB / 0.7202 GB, free: 7.074 MB / 0.5137 GB
Notification: Performance of preOpt findStateOrder (simulation): time 2.489e-05/1.011, allocations: 0 / 0.7202 GB, free: 7.074 MB / 0.5137 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001046/1.011, allocations: 34.3 kB / 0.7202 GB, free: 7.051 MB / 0.5137 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001068/1.011, allocations: 74.98 kB / 0.7203 GB, free: 7.031 MB / 0.5137 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002025/1.013, allocations: 1.117 MB / 0.7214 GB, free: 6.473 MB / 0.5137 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 0.009974/1.023, allocations: 3.983 MB / 0.7253 GB, free: 2.887 MB / 0.5137 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.001119/1.024, allocations: 0.5991 MB / 0.7258 GB, free: 2.277 MB / 0.5137 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.000626/1.025, allocations: 349.8 kB / 0.7262 GB, free: 1.938 MB / 0.5137 GB
Notification: Performance of preOpt evalFunc (simulation): time 5.495e-05/1.025, allocations: 11.61 kB / 0.7262 GB, free: 1.93 MB / 0.5137 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.538e-05/1.025, allocations: 43.11 kB / 0.7262 GB, free: 1.879 MB / 0.5137 GB
Notification: Performance of pre-optimization done (n=56): time 4.569e-06/1.025, allocations: 0 / 0.7262 GB, free: 1.879 MB / 0.5137 GB
Notification: Performance of matching and sorting (n=56): time 0.002109/1.027, allocations: 0.9551 MB / 0.7272 GB, free: 0.918 MB / 0.5137 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 0.000101/1.027, allocations: 111.4 kB / 0.7273 GB, free: 0.7852 MB / 0.5137 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.00176/1.029, allocations: 0.9449 MB / 0.7282 GB, free: 15.82 MB / 0.5294 GB
Notification: Performance of collectPreVariables (initialization): time 0.0001135/1.029, allocations: 45.7 kB / 0.7282 GB, free: 15.77 MB / 0.5294 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0005141/1.03, allocations: 487.9 kB / 0.7287 GB, free: 15.29 MB / 0.5294 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0002377/1.03, allocations: 212.4 kB / 0.7289 GB, free: 15.08 MB / 0.5294 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0003512/1.03, allocations: 154.6 kB / 0.729 GB, free: 14.93 MB / 0.5294 GB
Notification: Performance of setup shared object (initialization): time 0.0001825/1.031, allocations: 334 kB / 0.7294 GB, free: 14.59 MB / 0.5294 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0006127/1.031, allocations: 356.7 kB / 0.7297 GB, free: 14.24 MB / 0.5294 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007412/1.032, allocations: 488.5 kB / 0.7302 GB, free: 13.71 MB / 0.5294 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.001506/1.033, allocations: 0.7978 MB / 0.731 GB, free: 12.88 MB / 0.5294 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.465e-05/1.034, allocations: 7.938 kB / 0.731 GB, free: 12.87 MB / 0.5294 GB
Notification: Performance of matching and sorting (n=95) (initialization): time 0.001924/1.035, allocations: 0.9929 MB / 0.7319 GB, free: 11.87 MB / 0.5294 GB
Notification: Performance of prepare postOptimizeDAE: time 3.258e-05/1.036, allocations: 14.41 kB / 0.7319 GB, free: 11.86 MB / 0.5294 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.558e-05/1.036, allocations: 4 kB / 0.7319 GB, free: 11.85 MB / 0.5294 GB
Notification: Performance of postOpt tearingSystem (initialization): time 2.93e-05/1.036, allocations: 7.984 kB / 0.732 GB, free: 11.84 MB / 0.5294 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000775/1.036, allocations: 159.8 kB / 0.7321 GB, free: 11.69 MB / 0.5294 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.544e-05/1.036, allocations: 11.94 kB / 0.7321 GB, free: 11.68 MB / 0.5294 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001216/1.038, allocations: 103.1 kB / 0.7322 GB, free: 11.57 MB / 0.5294 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.568e-05/1.038, allocations: 31.98 kB / 0.7322 GB, free: 11.54 MB / 0.5294 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.001045/1.039, allocations: 0.5643 MB / 0.7328 GB, free: 10.98 MB / 0.5294 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0008688/1.04, allocations: 477.8 kB / 0.7333 GB, free: 10.46 MB / 0.5294 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001245/1.041, allocations: 0.759 MB / 0.734 GB, free: 9.656 MB / 0.5294 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.642e-06/1.041, allocations: 0 / 0.734 GB, free: 9.656 MB / 0.5294 GB
Notification: Performance of matching and sorting (n=95) (initialization_lambda0): time 0.001963/1.043, allocations: 0.9534 MB / 0.7349 GB, free: 8.695 MB / 0.5294 GB
Notification: Performance of prepare postOptimizeDAE: time 2.031e-05/1.043, allocations: 8 kB / 0.7349 GB, free: 8.688 MB / 0.5294 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.291e-05/1.043, allocations: 4 kB / 0.7349 GB, free: 8.684 MB / 0.5294 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.444e-05/1.043, allocations: 7.938 kB / 0.7349 GB, free: 8.676 MB / 0.5294 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0007687/1.044, allocations: 159.8 kB / 0.7351 GB, free: 8.52 MB / 0.5294 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.378e-05/1.044, allocations: 7.938 kB / 0.7351 GB, free: 8.512 MB / 0.5294 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001072/1.045, allocations: 67.61 kB / 0.7352 GB, free: 8.445 MB / 0.5294 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 7.318e-05/1.045, allocations: 28 kB / 0.7352 GB, free: 8.418 MB / 0.5294 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 13
 * 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 (95):
 * Single equations (assignments): 95
 * 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 0.0003732/1.045, allocations: 228.1 kB / 0.7354 GB, free: 8.188 MB / 0.5294 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0003291/1.046, allocations: 115.3 kB / 0.7355 GB, free: 8.074 MB / 0.5294 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001616/1.047, allocations: 0.7626 MB / 0.7363 GB, free: 7.301 MB / 0.5294 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.617e-06/1.047, allocations: 4 kB / 0.7363 GB, free: 7.297 MB / 0.5294 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.747e-05/1.047, allocations: 0 / 0.7363 GB, free: 7.297 MB / 0.5294 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001024/1.048, allocations: 0.7009 MB / 0.737 GB, free: 6.566 MB / 0.5294 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003511/1.052, allocations: 1.818 MB / 0.7387 GB, free: 4.68 MB / 0.5294 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.88e-06/1.052, allocations: 0 / 0.7387 GB, free: 4.68 MB / 0.5294 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000632/1.053, allocations: 123.8 kB / 0.7388 GB, free: 4.559 MB / 0.5294 GB
Notification: Performance of postOpt tearingSystem (simulation): time 1.279e-05/1.053, allocations: 4.25 kB / 0.7389 GB, free: 4.555 MB / 0.5294 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.476e-05/1.053, allocations: 24.12 kB / 0.7389 GB, free: 4.531 MB / 0.5294 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 9.047e-06/1.053, allocations: 4 kB / 0.7389 GB, free: 4.527 MB / 0.5294 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 6.703e-06/1.053, allocations: 3.938 kB / 0.7389 GB, free: 4.523 MB / 0.5294 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002066/1.055, allocations: 1.301 MB / 0.7402 GB, free: 3.18 MB / 0.5294 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.0006906/1.055, allocations: 280.3 kB / 0.7404 GB, free: 2.887 MB / 0.5294 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002665/1.056, allocations: 19.94 kB / 0.7404 GB, free: 2.867 MB / 0.5294 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0008648/1.057, allocations: 31.91 kB / 0.7405 GB, free: 2.836 MB / 0.5294 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 9.313e-05/1.057, allocations: 40.39 kB / 0.7405 GB, free: 2.797 MB / 0.5294 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 9.194e-05/1.057, allocations: 27.98 kB / 0.7405 GB, free: 2.77 MB / 0.5294 GB
Notification: Performance of sorting global known variables: time 0.001041/1.058, allocations: 0.6563 MB / 0.7412 GB, free: 2.102 MB / 0.5294 GB
Notification: Performance of sort global known variables: time 1.2e-07/1.058, allocations: 0 / 0.7412 GB, free: 2.102 MB / 0.5294 GB
Notification: Performance of remove unused functions: time 0.002651/1.06, allocations: 0.8105 MB / 0.742 GB, free: 1.289 MB / 0.5294 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 9
 * Number of states: 3 (vol1.dynBal.U,vol1.dynBal.m,vol1.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 (58):
 * Single equations (assignments): 58
 * 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 Backend phase and start with SimCode phase: time 0.001842/1.062, allocations: 0.5335 MB / 0.7425 GB, free: 0.7812 MB / 0.5294 GB
Notification: Performance of simCode: created initialization part: time 0.002356/1.065, allocations: 1.215 MB / 0.7437 GB, free: 15.56 MB / 0.545 GB
Notification: Performance of simCode: created event and clocks part: time 1.15e-05/1.065, allocations: 0 / 0.7437 GB, free: 15.56 MB / 0.545 GB
Notification: Performance of simCode: created simulation system equations: time 0.0005483/1.065, allocations: 335.8 kB / 0.744 GB, free: 15.23 MB / 0.545 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003227/1.069, allocations: 0.5908 MB / 0.7446 GB, free: 14.64 MB / 0.545 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004028/1.073, allocations: 1.969 MB / 0.7465 GB, free: 12.62 MB / 0.545 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001084/1.074, allocations: 1.112 MB / 0.7476 GB, free: 11.48 MB / 0.545 GB
Notification: Performance of simCode: alias equations: time 0.001694/1.075, allocations: 430.3 kB / 0.748 GB, free: 11.06 MB / 0.545 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0003178/1.076, allocations: 83.42 kB / 0.7481 GB, free: 10.98 MB / 0.545 GB
Notification: Performance of SimCode: time 8.71e-07/1.076, allocations: 0 / 0.7481 GB, free: 10.98 MB / 0.545 GB
Notification: Performance of Templates: time 0.04716/1.123, allocations: 25.27 MB / 0.7727 GB, free: 1.863 MB / 0.5606 GB
make -j1 -f Annex60_1.0.0_Annex60.Fluid.MixingVolumes.Validation.MixingVolumeInitialization.makefile
(rm -f Annex60_1.0.0_Annex60.Fluid.MixingVolumes.Validation.MixingVolumeInitialization.pipe ; mkfifo Annex60_1.0.0_Annex60.Fluid.MixingVolumes.Validation.MixingVolumeInitialization.pipe ; head -c 1048576 < Annex60_1.0.0_Annex60.Fluid.MixingVolumes.Validation.MixingVolumeInitialization.pipe >> ../files/Annex60_1.0.0_Annex60.Fluid.MixingVolumes.Validation.MixingVolumeInitialization.sim & ./Annex60_1.0.0_Annex60.Fluid.MixingVolumes.Validation.MixingVolumeInitialization  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Annex60_1.0.0_Annex60.Fluid.MixingVolumes.Validation.MixingVolumeInitialization.pipe 2>&1)