Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_dev_IDEAS.Fluid.Movers.Examples.MoverContinuous.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-master/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-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: "" <> buildModelFMU(IDEAS.Fluid.Movers.Examples.MoverContinuous,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Movers_Examples_MoverContinuous",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.Movers.Examples.MoverContinuous,fileNamePrefix="IDEAS_dev_IDEAS_Fluid_Movers_Examples_MoverContinuous",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001162/0.001162, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001307/0.001307, allocations: 194.2 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.236/1.236, allocations: 222.9 MB / 240.2 MB, free: 4.43 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0-master/package.mo): time 0.8292/0.8292, allocations: 135.1 MB / 425.5 MB, free: 11.98 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001144/0.001144, allocations: 64.05 kB / 0.5054 GB, free: 5.234 MB / 414.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.115/0.1162, allocations: 80.93 MB / 0.5845 GB, free: 4.457 MB / 494.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.Movers.Examples.MoverContinuous): time 0.2648/0.381, allocations: 94.85 MB / 0.6771 GB, free: 8.836 MB / 0.5137 GB Notification: Performance of NFInst.instExpressions: time 0.0354/0.4165, allocations: 29.97 MB / 0.7064 GB, free: 3.398 MB / 0.5294 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004709/0.4212, allocations: 152.6 kB / 0.7065 GB, free: 3.348 MB / 0.5294 GB Notification: Performance of NFTyping.typeComponents: time 0.004844/0.4261, allocations: 2.002 MB / 0.7085 GB, free: 2.184 MB / 0.5294 GB Notification: Performance of NFTyping.typeBindings: time 0.01091/0.437, allocations: 4.489 MB / 0.7129 GB, free: 15.58 MB / 0.545 GB Notification: Performance of NFTyping.typeClassSections: time 0.007596/0.4446, allocations: 3.576 MB / 0.7163 GB, free: 13.68 MB / 0.545 GB Notification: Performance of NFFlatten.flatten: time 0.01008/0.4547, allocations: 8.832 MB / 0.725 GB, free: 8.816 MB / 0.545 GB Notification: Performance of NFFlatten.resolveConnections: time 0.004033/0.4588, allocations: 3.299 MB / 0.7282 GB, free: 6.641 MB / 0.545 GB Notification: Performance of NFEvalConstants.evaluate: time 0.006302/0.4651, allocations: 3.753 MB / 0.7319 GB, free: 4.434 MB / 0.545 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003698/0.4688, allocations: 2.756 MB / 0.7345 GB, free: 2.691 MB / 0.545 GB Notification: Performance of NFPackage.collectConstants: time 0.000769/0.4696, allocations: 392.8 kB / 0.7349 GB, free: 2.691 MB / 0.545 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005388/0.475, allocations: 2.649 MB / 0.7375 GB, free: 296 kB / 0.545 GB Notification: Performance of NFScalarize.scalarize: time 0.001499/0.4765, allocations: 1.616 MB / 0.7391 GB, free: 14.67 MB / 0.5606 GB Notification: Performance of NFVerifyModel.verify: time 0.002738/0.4792, allocations: 2.561 MB / 0.7416 GB, free: 12.09 MB / 0.5606 GB Notification: Performance of NFConvertDAE.convert: time 0.007771/0.487, allocations: 7.727 MB / 0.7491 GB, free: 4.344 MB / 0.5606 GB Notification: Performance of FrontEnd - DAE generated: time 3.517e-06/0.487, allocations: 0 / 0.7491 GB, free: 4.344 MB / 0.5606 GB Notification: Performance of FrontEnd: time 1.233e-06/0.487, allocations: 0 / 0.7491 GB, free: 4.344 MB / 0.5606 GB Notification: Performance of Transformations before backend: time 6.218e-05/0.4871, allocations: 0 / 0.7491 GB, free: 4.344 MB / 0.5606 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 489 * Number of variables: 489 Notification: Performance of Generate backend data structure: time 0.008652/0.4958, allocations: 5.707 MB / 0.7547 GB, free: 14.56 MB / 0.5762 GB Notification: Performance of prepare preOptimizeDAE: time 3.339e-05/0.4958, allocations: 15.97 kB / 0.7547 GB, free: 14.54 MB / 0.5762 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002679/0.4961, allocations: 270.6 kB / 0.755 GB, free: 14.27 MB / 0.5762 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005561/0.5017, allocations: 1.208 MB / 0.7562 GB, free: 13.05 MB / 0.5762 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.009259/0.5109, allocations: 6.771 MB / 0.7628 GB, free: 6.215 MB / 0.5762 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0006498/0.5116, allocations: 284.7 kB / 0.763 GB, free: 5.934 MB / 0.5762 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003155/0.5119, allocations: 224 kB / 0.7633 GB, free: 5.715 MB / 0.5762 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.004576/0.5165, allocations: 2.924 MB / 0.7661 GB, free: 2.703 MB / 0.5762 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.156e-05/0.5165, allocations: 7.875 kB / 0.7661 GB, free: 2.695 MB / 0.5762 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001801/0.5167, allocations: 80 kB / 0.7662 GB, free: 2.617 MB / 0.5762 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.268e-05/0.5168, allocations: 48 kB / 0.7662 GB, free: 2.57 MB / 0.5762 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005151/0.5219, allocations: 2.165 MB / 0.7684 GB, free: 412 kB / 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 0.01758/0.5395, allocations: 12.98 MB / 0.781 GB, free: 2.805 MB / 0.5919 GB Notification: Performance of preOpt comSubExp (simulation): time 0.004375/0.5439, allocations: 1.664 MB / 0.7827 GB, free: 1.137 MB / 0.5919 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001861/0.5458, allocations: 0.7767 MB / 0.7834 GB, free: 368 kB / 0.5919 GB Notification: Performance of preOpt evalFunc (simulation): time 0.006037/0.5519, allocations: 4.485 MB / 0.7878 GB, free: 11.55 MB / 0.6075 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.313e-05/0.5519, allocations: 39.22 kB / 0.7878 GB, free: 11.5 MB / 0.6075 GB Notification: Performance of pre-optimization done (n=79): time 2.345e-06/0.5519, allocations: 0 / 0.7878 GB, free: 11.5 MB / 0.6075 GB Notification: Performance of matching and sorting (n=79): time 0.006389/0.5583, allocations: 2.558 MB / 0.7903 GB, free: 8.938 MB / 0.6075 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.565e-05/0.5584, allocations: 60.06 kB / 0.7904 GB, free: 8.867 MB / 0.6075 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.007803/0.5662, allocations: 6.962 MB / 0.7972 GB, free: 1.918 MB / 0.6075 GB Notification: Performance of collectPreVariables (initialization): time 0.0001745/0.5664, allocations: 53.7 kB / 0.7972 GB, free: 1.859 MB / 0.6075 GB Notification: Performance of collectInitialEqns (initialization): time 0.001524/0.5679, allocations: 2.065 MB / 0.7993 GB, free: 15.77 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002666/0.5682, allocations: 272 kB / 0.7995 GB, free: 15.5 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000608/0.5688, allocations: 487.2 kB / 0.8 GB, free: 15.02 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 9.726e-05/0.5689, allocations: 305.1 kB / 0.8003 GB, free: 14.72 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.002678/0.5716, allocations: 1.57 MB / 0.8018 GB, free: 13.14 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0032/0.5748, allocations: 2.479 MB / 0.8042 GB, free: 10.23 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.005589/0.5804, allocations: 3.978 MB / 0.8081 GB, free: 5.871 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.101e-05/0.5804, allocations: 12 kB / 0.8081 GB, free: 5.859 MB / 0.6231 GB Notification: Performance of matching and sorting (n=247) (initialization): time 0.007115/0.5875, allocations: 4.343 MB / 0.8124 GB, free: 1.504 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 2.537e-05/0.5875, allocations: 16 kB / 0.8124 GB, free: 1.488 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.571e-05/0.5876, allocations: 28 kB / 0.8124 GB, free: 1.461 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 3.794e-05/0.5876, allocations: 40 kB / 0.8124 GB, free: 1.422 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003011/0.5906, allocations: 0.5814 MB / 0.813 GB, free: 0.8398 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002286/0.5929, allocations: 2.992 MB / 0.8159 GB, free: 13.75 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002422/0.5954, allocations: 318.1 kB / 0.8162 GB, free: 13.44 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002212/0.5956, allocations: 171.9 kB / 0.8164 GB, free: 13.27 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.003399/0.599, allocations: 2.202 MB / 0.8185 GB, free: 11.07 MB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00266/0.6017, allocations: 2.186 MB / 0.8207 GB, free: 8.453 MB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.004787/0.6065, allocations: 3.41 MB / 0.824 GB, free: 4.66 MB / 0.6387 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 9.538e-06/0.6065, allocations: 12 kB / 0.824 GB, free: 4.648 MB / 0.6387 GB Notification: Performance of matching and sorting (n=247) (initialization_lambda0): time 0.006015/0.6125, allocations: 3.742 MB / 0.8277 GB, free: 0.8906 MB / 0.6387 GB Notification: Performance of prepare postOptimizeDAE: time 1.883e-05/0.6125, allocations: 16 kB / 0.8277 GB, free: 0.875 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.732e-05/0.6126, allocations: 28 kB / 0.8277 GB, free: 0.8477 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.869e-05/0.6126, allocations: 40 kB / 0.8278 GB, free: 0.8086 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002458/0.6151, allocations: 0.6091 MB / 0.8284 GB, free: 204 kB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.303e-05/0.6152, allocations: 55.78 kB / 0.8284 GB, free: 148 kB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002329/0.6175, allocations: 231.2 kB / 0.8286 GB, free: 15.92 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002106/0.6177, allocations: 183.9 kB / 0.8288 GB, free: 15.74 MB / 0.6544 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 126 * 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 (216): * Single equations (assignments): 208 * Array equations: 4 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 4 * 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): 4 systems {1, 1, 1, 1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.0004776/0.6182, allocations: 308.7 kB / 0.8291 GB, free: 15.43 MB / 0.6544 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005535/0.6188, allocations: 414.6 kB / 0.8295 GB, free: 15.02 MB / 0.6544 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00546/0.6242, allocations: 2.514 MB / 0.8319 GB, free: 12.5 MB / 0.6544 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.893e-05/0.6243, allocations: 15.98 kB / 0.832 GB, free: 12.48 MB / 0.6544 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 5.019e-06/0.6243, allocations: 0 / 0.832 GB, free: 12.48 MB / 0.6544 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.095e-05/0.6243, allocations: 3.984 kB / 0.832 GB, free: 12.48 MB / 0.6544 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.008213/0.6325, allocations: 5.109 MB / 0.837 GB, free: 7.301 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.48e-06/0.6325, allocations: 3.938 kB / 0.837 GB, free: 7.297 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001346/0.6339, allocations: 271.8 kB / 0.8372 GB, free: 7.031 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002955/0.6342, allocations: 149.6 kB / 0.8374 GB, free: 6.879 MB / 0.6544 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.37e-05/0.6343, allocations: 39.95 kB / 0.8374 GB, free: 6.84 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001409/0.6357, allocations: 2.667 MB / 0.84 GB, free: 4.074 MB / 0.6544 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.433e-06/0.6357, allocations: 0 / 0.84 GB, free: 4.074 MB / 0.6544 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.004556/0.6403, allocations: 2.336 MB / 0.8423 GB, free: 1.699 MB / 0.6544 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001122/0.6414, allocations: 0.7061 MB / 0.843 GB, free: 0.9688 MB / 0.6544 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0004186/0.6418, allocations: 27.98 kB / 0.843 GB, free: 0.9414 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001634/0.6435, allocations: 107.9 kB / 0.8431 GB, free: 0.8359 MB / 0.6544 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001237/0.6436, allocations: 72.91 kB / 0.8432 GB, free: 0.7656 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001102/0.6437, allocations: 63.94 kB / 0.8432 GB, free: 0.7031 MB / 0.6544 GB Notification: Performance of sorting global known variables: time 0.005218/0.6489, allocations: 5.009 MB / 0.8481 GB, free: 11.71 MB / 0.67 GB Notification: Performance of sort global known variables: time 1.5e-07/0.649, allocations: 3.938 kB / 0.8481 GB, free: 11.71 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.00369/0.6526, allocations: 1.727 MB / 0.8498 GB, free: 9.977 MB / 0.67 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * 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 (102): * Single equations (assignments): 88 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 10 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 2 * Torn equation systems: 2 * 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): 2 systems {1, 1} * Without analytic Jacobian (size): 0 systems 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 {(1,1), (1,1)} Notification: Performance of Backend phase and start with SimCode phase: time 0.005774/0.6584, allocations: 3.445 MB / 0.8532 GB, free: 6.484 MB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.01015/0.6686, allocations: 4.93 MB / 0.858 GB, free: 1.57 MB / 0.67 GB Notification: Performance of simCode: created event and clocks part: time 4.799e-06/0.6686, allocations: 448 / 0.858 GB, free: 1.57 MB / 0.67 GB Notification: Performance of simCode: created simulation system equations: time 0.002201/0.6708, allocations: 0.9549 MB / 0.8589 GB, free: 0.6133 MB / 0.67 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.207/0.8779, allocations: 2.275 MB / 0.8612 GB, free: 211.5 MB / 0.67 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.04705/0.9249, allocations: 46.2 MB / 0.9063 GB, free: 186.6 MB / 0.67 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001719/0.9267, allocations: 2.52 MB / 0.9087 GB, free: 185.6 MB / 0.67 GB Notification: Performance of simCode: alias equations: time 0.004404/0.9311, allocations: 1.089 MB / 0.9098 GB, free: 185.4 MB / 0.67 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001702/0.9328, allocations: 1.855 MB / 0.9116 GB, free: 183.9 MB / 0.67 GB Notification: Performance of SimCode: time 3.91e-07/0.9328, allocations: 3.938 kB / 0.9116 GB, free: 183.9 MB / 0.67 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 2.34/3.272, allocations: 123.8 MB / 1.032 GB, free: 80.34 MB / 0.67 GB Notification: Performance of buildModelFMU: Generate platform static: time 15.58/18.85, allocations: 4 kB / 1.032 GB, free: 80.33 MB / 0.67 GB (rm -f IDEAS_dev_IDEAS.Fluid.Movers.Examples.MoverContinuous.pipe ; mkfifo IDEAS_dev_IDEAS.Fluid.Movers.Examples.MoverContinuous.pipe ; head -c 1048576 < IDEAS_dev_IDEAS.Fluid.Movers.Examples.MoverContinuous.pipe >> ../files/IDEAS_dev_IDEAS.Fluid.Movers.Examples.MoverContinuous.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_dev_IDEAS_Fluid_Movers_Examples_MoverContinuous_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 IDEAS_dev_IDEAS_Fluid_Movers_Examples_MoverContinuous.fmu > IDEAS_dev_IDEAS.Fluid.Movers.Examples.MoverContinuous.pipe 2>&1)