Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.Movers.Validation.Pump_stratos.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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(IDEAS.Fluid.Movers.Validation.Pump_stratos,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Movers.Validation.Pump_stratos") translateModel(IDEAS.Fluid.Movers.Validation.Pump_stratos,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.Movers.Validation.Pump_stratos") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001169/0.001169, allocations: 103.4 kB / 16.4 MB, free: 6.496 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001096/0.001096, allocations: 192.1 kB / 17.34 MB, free: 5.738 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.348/1.348, allocations: 222.9 MB / 241 MB, free: 15.15 MB / 206.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7906/0.7906, allocations: 132.2 MB / 423.4 MB, free: 6.578 MB / 334.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001223/0.001223, allocations: 63.62 kB / 0.582 GB, free: 23.75 MB / 446.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.159/0.1602, allocations: 80.2 MB / 0.6603 GB, free: 10.25 MB / 0.4981 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Blocks/Math.mo:543:5-544:48:writable] Warning: Parameter floMacSta.gaiSpe.k has no value, and is fixed during initialization (fixed=true), using available start value (start=1) as default value. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/Blocks/Math.mo:543:5-544:48:writable] Warning: Parameter floMacDyn.gaiSpe.k has no value, and is fixed during initialization (fixed=true), using available start value (start=1) as default value. Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Movers.Validation.Pump_stratos): time 0.4752/0.6355, allocations: 101.6 MB / 0.7596 GB, free: 22.77 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.02577/0.6613, allocations: 18.42 MB / 0.7775 GB, free: 22.5 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004143/0.6655, allocations: 89.62 kB / 0.7776 GB, free: 22.5 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.004002/0.6695, allocations: 1.341 MB / 0.7789 GB, free: 22.47 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.009245/0.6788, allocations: 2.857 MB / 0.7817 GB, free: 22.34 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.006761/0.6856, allocations: 2.265 MB / 0.7839 GB, free: 22.16 MB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.009506/0.6951, allocations: 5.497 MB / 0.7893 GB, free: 19.96 MB / 0.5762 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003344/0.6985, allocations: 1.9 MB / 0.7912 GB, free: 19.08 MB / 0.5762 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005999/0.7045, allocations: 2.313 MB / 0.7934 GB, free: 18.15 MB / 0.5762 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003592/0.7081, allocations: 1.734 MB / 0.7951 GB, free: 17.47 MB / 0.5762 GB Notification: Performance of NFPackage.collectConstants: time 0.0006935/0.7088, allocations: 237.3 kB / 0.7953 GB, free: 17.47 MB / 0.5762 GB Notification: Performance of NFFlatten.collectFunctions: time 0.004769/0.7136, allocations: 2.013 MB / 0.7973 GB, free: 16.91 MB / 0.5762 GB Notification: Performance of NFScalarize.scalarize: time 0.0009021/0.7145, allocations: 0.9969 MB / 0.7983 GB, free: 16.39 MB / 0.5762 GB Notification: Performance of NFVerifyModel.verify: time 0.001956/0.7165, allocations: 1.551 MB / 0.7998 GB, free: 15.35 MB / 0.5762 GB Notification: Performance of NFConvertDAE.convert: time 0.007576/0.7241, allocations: 4.867 MB / 0.8045 GB, free: 12.25 MB / 0.5762 GB Notification: Performance of FrontEnd - DAE generated: time 5.921e-06/0.7241, allocations: 0 / 0.8045 GB, free: 12.25 MB / 0.5762 GB Notification: Performance of FrontEnd: time 2.595e-06/0.7242, allocations: 0 / 0.8045 GB, free: 12.25 MB / 0.5762 GB Notification: Performance of Transformations before backend: time 0.0001215/0.7243, allocations: 0 / 0.8045 GB, free: 12.25 MB / 0.5762 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 292 * Number of variables: 292 Notification: Performance of Generate backend data structure: time 0.007482/0.7318, allocations: 3.559 MB / 0.808 GB, free: 9.723 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 4.237e-05/0.7318, allocations: 7.906 kB / 0.808 GB, free: 9.723 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002714/0.7346, allocations: 0.5719 MB / 0.8086 GB, free: 9.438 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.005509/0.7401, allocations: 3.061 MB / 0.8116 GB, free: 7.367 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.22e-05/0.7402, allocations: 104.2 kB / 0.8117 GB, free: 7.32 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002513/0.7405, allocations: 134.8 kB / 0.8118 GB, free: 7.277 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00294/0.7434, allocations: 1.736 MB / 0.8135 GB, free: 6.223 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.192e-05/0.7435, allocations: 5.625 kB / 0.8135 GB, free: 6.219 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001152/0.7436, allocations: 47.16 kB / 0.8136 GB, free: 6.184 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.62e-05/0.7436, allocations: 33.52 kB / 0.8136 GB, free: 6.18 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002783/0.7464, allocations: 1.264 MB / 0.8148 GB, free: 5.57 MB / 0.5762 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 0.01081/0.7572, allocations: 8.181 MB / 0.8228 GB, free: 14.47 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002917/0.7602, allocations: 1.031 MB / 0.8238 GB, free: 13.44 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001458/0.7617, allocations: 0.6067 MB / 0.8244 GB, free: 12.83 MB / 0.5919 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 evalFunc (simulation): time 0.005141/0.7668, allocations: 2.758 MB / 0.8271 GB, free: 9.902 MB / 0.5919 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.989e-05/0.7669, allocations: 43.06 kB / 0.8271 GB, free: 9.852 MB / 0.5919 GB Notification: Performance of pre-optimization done (n=55): time 2.404e-06/0.7669, allocations: 0 / 0.8271 GB, free: 9.852 MB / 0.5919 GB Notification: Performance of matching and sorting (n=55): time 0.007313/0.7742, allocations: 2.24 MB / 0.8293 GB, free: 7.559 MB / 0.5919 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.489e-05/0.7743, allocations: 59.97 kB / 0.8294 GB, free: 7.488 MB / 0.5919 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.004656/0.779, allocations: 2.907 MB / 0.8322 GB, free: 4.566 MB / 0.5919 GB Notification: Performance of collectPreVariables (initialization): time 0.0003511/0.7794, allocations: 45.7 kB / 0.8323 GB, free: 4.516 MB / 0.5919 GB Notification: Performance of collectInitialEqns (initialization): time 0.001606/0.781, allocations: 1.201 MB / 0.8334 GB, free: 3.312 MB / 0.5919 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004647/0.7815, allocations: 201.8 kB / 0.8336 GB, free: 3.117 MB / 0.5919 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0007689/0.7822, allocations: 278.4 kB / 0.8339 GB, free: 2.84 MB / 0.5919 GB Notification: Performance of setup shared object (initialization): time 0.0001816/0.7824, allocations: 353.9 kB / 0.8342 GB, free: 2.488 MB / 0.5919 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002493/0.7849, allocations: 0.9459 MB / 0.8352 GB, free: 1.543 MB / 0.5919 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.003066/0.788, allocations: 1.482 MB / 0.8366 GB, free: 15.82 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005446/0.7935, allocations: 2.343 MB / 0.8389 GB, free: 13.27 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.93e-05/0.7935, allocations: 4 kB / 0.8389 GB, free: 13.27 MB / 0.6075 GB Notification: Performance of matching and sorting (n=142) (initialization): time 0.007937/0.8015, allocations: 2.879 MB / 0.8417 GB, free: 10.39 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 4.786e-05/0.8016, allocations: 12 kB / 0.8417 GB, free: 10.38 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.867e-05/0.8016, allocations: 12 kB / 0.8417 GB, free: 10.37 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002045/0.8037, allocations: 0.5908 MB / 0.8423 GB, free: 9.773 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001436/0.8051, allocations: 251.6 kB / 0.8425 GB, free: 9.527 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002192/0.8073, allocations: 1.596 MB / 0.8441 GB, free: 7.883 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00286/0.8102, allocations: 178.6 kB / 0.8443 GB, free: 7.707 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003029/0.8105, allocations: 95.97 kB / 0.8444 GB, free: 7.613 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003289/0.8138, allocations: 1.314 MB / 0.8457 GB, free: 6.297 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002491/0.8164, allocations: 1.277 MB / 0.8469 GB, free: 4.77 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004052/0.8204, allocations: 1.957 MB / 0.8488 GB, free: 2.617 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.646e-05/0.8205, allocations: 4 kB / 0.8488 GB, free: 2.613 MB / 0.6075 GB Notification: Performance of matching and sorting (n=142) (initialization_lambda0): time 0.007424/0.8279, allocations: 2.537 MB / 0.8513 GB, free: 64 kB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 2.667e-05/0.828, allocations: 8.469 kB / 0.8513 GB, free: 56 kB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.514e-05/0.828, allocations: 20 kB / 0.8513 GB, free: 36 kB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.002561/0.8306, allocations: 0.695 MB / 0.852 GB, free: 15.34 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001253/0.8318, allocations: 223.6 kB / 0.8522 GB, free: 15.12 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.01539/0.8473, allocations: 9.433 MB / 0.8614 GB, free: 5.32 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.00234/0.8496, allocations: 139.6 kB / 0.8616 GB, free: 5.188 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003021/0.85, allocations: 83.98 kB / 0.8616 GB, free: 5.105 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 65 * 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 (112): * Single equations (assignments): 108 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(1,6), (1,6)} Notification: Performance of prepare postOptimizeDAE: time 0.0005557/0.8505, allocations: 264.8 kB / 0.8619 GB, free: 4.84 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0008797/0.8514, allocations: 240.9 kB / 0.8621 GB, free: 4.602 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.004658/0.8561, allocations: 1.757 MB / 0.8638 GB, free: 2.828 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.848e-05/0.8561, allocations: 8 kB / 0.8638 GB, free: 2.82 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.807e-06/0.8561, allocations: 0 / 0.8638 GB, free: 2.82 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.003306/0.8595, allocations: 1.573 MB / 0.8654 GB, free: 1.176 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.008454/0.8679, allocations: 3.434 MB / 0.8687 GB, free: 13.68 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 8.877e-06/0.868, allocations: 0 / 0.8687 GB, free: 13.68 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007867/0.8688, allocations: 143.9 kB / 0.8689 GB, free: 13.54 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0007153/0.8695, allocations: 286.4 kB / 0.8691 GB, free: 13.26 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.488e-05/0.8696, allocations: 23.92 kB / 0.8692 GB, free: 13.24 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001322/0.8709, allocations: 1.482 MB / 0.8706 GB, free: 11.71 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.951e-06/0.8709, allocations: 11.98 kB / 0.8706 GB, free: 11.7 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005403/0.8764, allocations: 2.35 MB / 0.8729 GB, free: 9.312 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001462/0.8778, allocations: 441.6 kB / 0.8733 GB, free: 8.859 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0007064/0.8786, allocations: 15.98 kB / 0.8734 GB, free: 8.844 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001553/0.8801, allocations: 67.98 kB / 0.8734 GB, free: 8.777 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.000113/0.8802, allocations: 44.5 kB / 0.8735 GB, free: 8.734 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001021/0.8804, allocations: 39.97 kB / 0.8735 GB, free: 8.695 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.003953/0.8843, allocations: 2.023 MB / 0.8755 GB, free: 6.672 MB / 0.6387 GB Notification: Performance of sort global known variables: time 5.01e-07/0.8843, allocations: 0 / 0.8755 GB, free: 6.672 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.005017/0.8894, allocations: 1.24 MB / 0.8767 GB, free: 5.43 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 1 (floMacDyn.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 (54): * Single equations (assignments): 47 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * 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): 2 systems {(1,7), (1,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001769/0.8911, allocations: 0.5987 MB / 0.8773 GB, free: 4.875 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.006471/0.8976, allocations: 3.06 MB / 0.8803 GB, free: 1.801 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 9.798e-06/0.8977, allocations: 4 kB / 0.8803 GB, free: 1.797 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.001531/0.8992, allocations: 0.5945 MB / 0.8808 GB, free: 1.199 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.006252/0.9055, allocations: 1.324 MB / 0.8821 GB, free: 15.94 MB / 0.6544 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.009057/0.9146, allocations: 4.367 MB / 0.8864 GB, free: 11.55 MB / 0.6544 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002001/0.9166, allocations: 1.761 MB / 0.8881 GB, free: 9.758 MB / 0.6544 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.00079/0.9174, allocations: 187.4 kB / 0.8883 GB, free: 9.574 MB / 0.6544 GB Notification: Performance of SimCode: time 1.282e-06/0.9174, allocations: 0 / 0.8883 GB, free: 9.574 MB / 0.6544 GB Notification: Performance of Templates: time 0.09562/1.013, allocations: 69.08 MB / 0.9558 GB, free: 4.66 MB / 0.7169 GB make -j1 -f IDEAS_IDEAS.Fluid.Movers.Validation.Pump_stratos.makefile (rm -f IDEAS_IDEAS.Fluid.Movers.Validation.Pump_stratos.pipe ; mkfifo IDEAS_IDEAS.Fluid.Movers.Validation.Pump_stratos.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.Movers.Validation.Pump_stratos.pipe >> ../files/IDEAS_IDEAS.Fluid.Movers.Validation.Pump_stratos.sim & ./IDEAS_IDEAS.Fluid.Movers.Validation.Pump_stratos -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.Fluid.Movers.Validation.Pump_stratos.pipe 2>&1)