Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.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/IBPSA 4.0.0-master/package.mo", uses=false)
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-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: translateModel(IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear")
translateModel(IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001771/0.001771, allocations: 97.38 kB / 16.63 MB, free: 6.824 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001869/0.001869, allocations: 189.9 kB / 17.57 MB, free: 5.934 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.48/1.48, allocations: 222.9 MB / 241.2 MB, free: 15.46 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.8138/0.8138, allocations: 125.4 MB / 416.7 MB, free: 13.83 MB / 334.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001932/0.001932, allocations: 63.91 kB / 0.4943 GB, free: 4.816 MB / 414.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3847/0.3867, allocations: 78.57 MB / 0.571 GB, free: 31.58 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear): time 0.05228/0.439, allocations: 58.07 MB / 0.6277 GB, free: 13.57 MB / 478.1 MB
Notification: Performance of NFInst.instExpressions: time 0.03323/0.4723, allocations: 19.82 MB / 0.6471 GB, free: 9.699 MB / 494.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.004058/0.4764, allocations: 83.5 kB / 0.6472 GB, free: 9.617 MB / 494.1 MB
Notification: Performance of NFTyping.typeComponents: time 0.01897/0.4954, allocations: 10.51 MB / 0.6574 GB, free: 15.09 MB / 0.4981 GB
Notification: Performance of NFTyping.typeBindings: time 0.00868/0.5042, allocations: 2.649 MB / 0.66 GB, free: 12.43 MB / 0.4981 GB
Notification: Performance of NFTyping.typeClassSections: time 0.006361/0.5105, allocations: 2.12 MB / 0.6621 GB, free: 10.33 MB / 0.4981 GB
[/var/lib/jenkins1/ws/OpenModelicaLibraryTestingWork/OpenModelica/OMCompiler/Compiler/NFFrontEnd/NFCeval.mo:1089:9-1089:67:writable] Error: Internal error NFCeval.evalBinaryMul failed to evaluate ‘{0.0, 0.001}[pressure.n] * 0.0‘
Notification: Performance of NFFlatten.flatten: time 0.02299/0.5335, allocations: 14.59 MB / 0.6763 GB, free: 11.72 MB / 0.5137 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.003534/0.5371, allocations: 1.764 MB / 0.678 GB, free: 9.918 MB / 0.5137 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.006/0.5431, allocations: 2.155 MB / 0.6801 GB, free: 7.766 MB / 0.5137 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.003104/0.5463, allocations: 1.595 MB / 0.6817 GB, free: 6.164 MB / 0.5137 GB
Notification: Performance of NFPackage.collectConstants: time 0.0006037/0.5469, allocations: 196 kB / 0.6819 GB, free: 5.973 MB / 0.5137 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.005258/0.5521, allocations: 2.332 MB / 0.6842 GB, free: 3.637 MB / 0.5137 GB
Notification: Performance of NFScalarize.scalarize: time 0.001334/0.5535, allocations: 0.8879 MB / 0.685 GB, free: 2.746 MB / 0.5137 GB
Notification: Performance of NFVerifyModel.verify: time 0.002279/0.5558, allocations: 1.399 MB / 0.6864 GB, free: 1.34 MB / 0.5137 GB
Notification: Performance of NFConvertDAE.convert: time 0.005881/0.5617, allocations: 3.543 MB / 0.6899 GB, free: 13.79 MB / 0.5294 GB
Notification: Performance of FrontEnd - DAE generated: time 6.963e-06/0.5617, allocations: 0 / 0.6899 GB, free: 13.79 MB / 0.5294 GB
Notification: Performance of FrontEnd: time 2.134e-06/0.5618, allocations: 0 / 0.6899 GB, free: 13.79 MB / 0.5294 GB
Notification: Performance of Transformations before backend: time 8.176e-05/0.5618, allocations: 0 / 0.6899 GB, free: 13.79 MB / 0.5294 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 266
 * Number of variables: 266
Notification: Performance of Generate backend data structure: time 0.006316/0.5682, allocations: 3.219 MB / 0.693 GB, free: 10.49 MB / 0.5294 GB
Notification: Performance of prepare preOptimizeDAE: time 4.766e-05/0.5682, allocations: 12.03 kB / 0.693 GB, free: 10.48 MB / 0.5294 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005634/0.5739, allocations: 0.937 MB / 0.6939 GB, free: 9.539 MB / 0.5294 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.008369/0.5823, allocations: 3.459 MB / 0.6973 GB, free: 6.012 MB / 0.5294 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000192/0.5825, allocations: 94.08 kB / 0.6974 GB, free: 5.918 MB / 0.5294 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003313/0.5828, allocations: 116 kB / 0.6975 GB, free: 5.805 MB / 0.5294 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.003456/0.5863, allocations: 1.528 MB / 0.699 GB, free: 4.207 MB / 0.5294 GB
Notification: Performance of preOpt findStateOrder (simulation): time 3.049e-05/0.5864, allocations: 0 / 0.699 GB, free: 4.207 MB / 0.5294 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001425/0.5865, allocations: 44 kB / 0.699 GB, free: 4.164 MB / 0.5294 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.978e-05/0.5866, allocations: 24 kB / 0.6991 GB, free: 4.141 MB / 0.5294 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003584/0.5901, allocations: 1.366 MB / 0.7004 GB, free: 2.766 MB / 0.5294 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.01214/0.6023, allocations: 7.285 MB / 0.7075 GB, free: 10.98 MB / 0.545 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.003414/0.6058, allocations: 1.127 MB / 0.7086 GB, free: 9.848 MB / 0.545 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001391/0.6072, allocations: 0.5256 MB / 0.7091 GB, free: 9.316 MB / 0.545 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.005094/0.6123, allocations: 3.035 MB / 0.7121 GB, free: 5.996 MB / 0.545 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 5.048e-05/0.6124, allocations: 47.06 kB / 0.7121 GB, free: 5.941 MB / 0.545 GB
Notification: Performance of preOpt simplifyInStream (simulation): time 0.0008341/0.6132, allocations: 106.8 kB / 0.7122 GB, free: 5.836 MB / 0.545 GB
Notification: Performance of pre-optimization done (n=60): time 3.216e-06/0.6132, allocations: 0 / 0.7122 GB, free: 5.836 MB / 0.545 GB
Notification: Performance of matching and sorting (n=60): time 0.005699/0.6189, allocations: 1.802 MB / 0.714 GB, free: 4 MB / 0.545 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 5.436e-05/0.619, allocations: 63.95 kB / 0.7141 GB, free: 3.926 MB / 0.545 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004388/0.6234, allocations: 2.604 MB / 0.7166 GB, free: 1.305 MB / 0.545 GB
Notification: Performance of collectPreVariables (initialization): time 0.0002298/0.6237, allocations: 41.7 kB / 0.7166 GB, free: 1.258 MB / 0.545 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0011/0.6248, allocations: 1.052 MB / 0.7177 GB, free: 200 kB / 0.545 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0003526/0.6251, allocations: 221 kB / 0.7179 GB, free: 15.97 MB / 0.5606 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007721/0.6259, allocations: 443.1 kB / 0.7183 GB, free: 15.54 MB / 0.5606 GB
Notification: Performance of setup shared object (initialization): time 0.0001486/0.6261, allocations: 309.1 kB / 0.7186 GB, free: 15.23 MB / 0.5606 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.002367/0.6285, allocations: 1.168 MB / 0.7197 GB, free: 14.06 MB / 0.5606 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.002792/0.6313, allocations: 1.586 MB / 0.7213 GB, free: 12.32 MB / 0.5606 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.004675/0.636, allocations: 2.516 MB / 0.7237 GB, free: 9.691 MB / 0.5606 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.023e-05/0.636, allocations: 0 / 0.7237 GB, free: 9.691 MB / 0.5606 GB
Notification: Performance of matching and sorting (n=236) (initialization): time 0.006458/0.6425, allocations: 3.092 MB / 0.7268 GB, free: 6.582 MB / 0.5606 GB
Notification: Performance of prepare postOptimizeDAE: time 3.226e-05/0.6425, allocations: 16 kB / 0.7268 GB, free: 6.566 MB / 0.5606 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.99e-05/0.6426, allocations: 8 kB / 0.7268 GB, free: 6.559 MB / 0.5606 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0004738/0.643, allocations: 104.8 kB / 0.7269 GB, free: 6.453 MB / 0.5606 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001575/0.6446, allocations: 355.5 kB / 0.7272 GB, free: 6.105 MB / 0.5606 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006273/0.6453, allocations: 0.6147 MB / 0.7278 GB, free: 5.465 MB / 0.5606 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002202/0.6475, allocations: 161.9 kB / 0.728 GB, free: 5.309 MB / 0.5606 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002458/0.6478, allocations: 99.95 kB / 0.7281 GB, free: 5.211 MB / 0.5606 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00308/0.6508, allocations: 1.527 MB / 0.7296 GB, free: 3.68 MB / 0.5606 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00244/0.6533, allocations: 1.399 MB / 0.7309 GB, free: 2.133 MB / 0.5606 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004038/0.6574, allocations: 2.133 MB / 0.733 GB, free: 15.89 MB / 0.5762 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.124e-05/0.6574, allocations: 0 / 0.733 GB, free: 15.89 MB / 0.5762 GB
Notification: Performance of matching and sorting (n=236) (initialization_lambda0): time 0.006043/0.6635, allocations: 2.725 MB / 0.7357 GB, free: 13.15 MB / 0.5762 GB
Notification: Performance of prepare postOptimizeDAE: time 2.863e-05/0.6635, allocations: 8 kB / 0.7357 GB, free: 13.14 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.861e-05/0.6636, allocations: 8 kB / 0.7357 GB, free: 13.14 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (initialization): time 0.0005865/0.6642, allocations: 133.1 kB / 0.7358 GB, free: 13 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001408/0.6656, allocations: 335.5 kB / 0.7361 GB, free: 12.68 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004894/0.6705, allocations: 2.887 MB / 0.739 GB, free: 9.566 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002373/0.6729, allocations: 164.5 kB / 0.7391 GB, free: 9.406 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000228/0.6731, allocations: 91.95 kB / 0.7392 GB, free: 9.316 MB / 0.5762 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 37
 * 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 (166):
 * Single equations (assignments): 161
 * Array equations: 2
 * Algorithm blocks: 0
 * Record equations: 2
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 0 systems
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(1,4)}
Notification: Performance of prepare postOptimizeDAE: time 0.0005225/0.6737, allocations: 255.9 kB / 0.7394 GB, free: 9.059 MB / 0.5762 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005242/0.6742, allocations: 240.8 kB / 0.7397 GB, free: 8.82 MB / 0.5762 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004527/0.6787, allocations: 1.639 MB / 0.7413 GB, free: 7.184 MB / 0.5762 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.503e-05/0.6788, allocations: 19.92 kB / 0.7413 GB, free: 7.164 MB / 0.5762 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 2.976e-06/0.6788, allocations: 0 / 0.7413 GB, free: 7.164 MB / 0.5762 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.09e-05/0.6788, allocations: 7.922 kB / 0.7413 GB, free: 7.156 MB / 0.5762 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.007175/0.686, allocations: 3.165 MB / 0.7444 GB, free: 3.898 MB / 0.5762 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.202e-05/0.686, allocations: 8.031 kB / 0.7444 GB, free: 3.891 MB / 0.5762 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009876/0.687, allocations: 171.7 kB / 0.7446 GB, free: 3.723 MB / 0.5762 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.0002685/0.6873, allocations: 80.64 kB / 0.7446 GB, free: 3.641 MB / 0.5762 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.395e-05/0.6874, allocations: 31.97 kB / 0.7447 GB, free: 3.609 MB / 0.5762 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000529/0.688, allocations: 0.5914 MB / 0.7453 GB, free: 2.992 MB / 0.5762 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.488e-06/0.688, allocations: 4 kB / 0.7453 GB, free: 2.988 MB / 0.5762 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003945/0.6919, allocations: 1.593 MB / 0.7468 GB, free: 1.344 MB / 0.5762 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.001152/0.6931, allocations: 441.5 kB / 0.7472 GB, free: 0.8906 MB / 0.5762 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003884/0.6935, allocations: 16 kB / 0.7472 GB, free: 0.875 MB / 0.5762 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001316/0.6948, allocations: 107.9 kB / 0.7474 GB, free: 0.7695 MB / 0.5762 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001425/0.695, allocations: 56.48 kB / 0.7474 GB, free: 0.7148 MB / 0.5762 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001092/0.6951, allocations: 47.97 kB / 0.7475 GB, free: 0.668 MB / 0.5762 GB
Notification: Performance of sorting global known variables: time 0.3145/1.01, allocations: 1.728 MB / 0.7491 GB, free: 159.4 MB / 0.5762 GB
Notification: Performance of sort global known variables: time 7.61e-07/1.01, allocations: 0.5 kB / 0.7491 GB, free: 159.4 MB / 0.5762 GB
Notification: Performance of remove unused functions: time 0.005096/1.015, allocations: 1.247 MB / 0.7504 GB, free: 159.4 MB / 0.5762 GB
Notification: Model statistics after passing the back-end for simulation:
 * 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 simulation (72):
 * Single equations (assignments): 63
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 8
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 1
 * Mixed (continuous/discrete) equation systems: 0
Notification: Torn system details for strict tearing set:
 * Linear torn systems (#iteration vars, #inner vars, density): 0 systems
 * Non-linear torn systems (#iteration vars, #inner vars): 1 system
   {(1,5)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.002146/1.017, allocations: 0.7506 MB / 0.7511 GB, free: 159.3 MB / 0.5762 GB
Notification: Performance of simCode: created initialization part: time 0.008242/1.025, allocations: 3.613 MB / 0.7546 GB, free: 158.1 MB / 0.5762 GB
Notification: Performance of simCode: created event and clocks part: time 6.872e-06/1.025, allocations: 3.562 kB / 0.7546 GB, free: 158.1 MB / 0.5762 GB
Notification: Performance of simCode: created simulation system equations: time 0.001649/1.027, allocations: 0.6068 MB / 0.7552 GB, free: 157.9 MB / 0.5762 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005481/1.032, allocations: 1.236 MB / 0.7564 GB, free: 157.7 MB / 0.5762 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008833/1.041, allocations: 5.056 MB / 0.7614 GB, free: 155 MB / 0.5762 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001411/1.043, allocations: 1.72 MB / 0.763 GB, free: 154.1 MB / 0.5762 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000981/1.044, allocations: 212.2 kB / 0.7632 GB, free: 154.1 MB / 0.5762 GB
Notification: Performance of SimCode: time 7.62e-07/1.044, allocations: 1.156 kB / 0.7632 GB, free: 154.1 MB / 0.5762 GB
Notification: Performance of Templates: time 0.0654/1.109, allocations: 54.77 MB / 0.8167 GB, free: 108.9 MB / 0.5762 GB
make -j1 -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.makefile
(rm -f IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.sim & ./IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IBPSA_latest_IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe 2>&1)