Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Chemical_Chemical.Examples.H2O_ElectrochemicalCell.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.0-master/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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 Chemical with version 1.4.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.0-master/package.mo) Running command: translateModel(Chemical.Examples.H2O_ElectrochemicalCell,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Chemical_Chemical.Examples.H2O_ElectrochemicalCell") translateModel(Chemical.Examples.H2O_ElectrochemicalCell,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Chemical_Chemical.Examples.H2O_ElectrochemicalCell") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.0-master/package.mo): time 0.123/0.123, allocations: 15.25 MB / 27.81 MB, free: 5.395 MB / 24.77 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001319/0.001319, allocations: 192.4 kB / 32.71 MB, free: 0.5078 MB / 24.77 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.429/1.429, allocations: 221.4 MB / 258.8 MB, free: 15.99 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0009069/0.0009066, allocations: 95.81 kB / 314 MB, free: 15.76 MB / 250.7 MB Notification: Performance of FrontEnd - loaded program: time 4.002e-05/4.005e-05, allocations: 7.938 kB / 376.5 MB, free: 1.43 MB / 298.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3395/0.3396, allocations: 54.61 MB / 431.1 MB, free: 50.05 MB / 346.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 0.1348/0.4744, allocations: 104.3 MB / 0.5228 GB, free: 11.02 MB / 394.7 MB Notification: Performance of FrontEnd - mkProgramGraph: time 0.000271/0.4747, allocations: 70.03 kB / 0.5229 GB, free: 10.95 MB / 394.7 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.0-master/package.mo:4721:7-4721:66:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System cathode.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Chemical.Components.Solution$cathode. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.0-master/package.mo:4721:7-4721:66:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System anode.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Chemical.Components.Solution$anode. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.0-master/package.mo:4721:7-4721:66:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System solution1.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Chemical.Components.Solution$solution1. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.0-master/package.mo:3011:6-3011:65:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System H2.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Chemical.Sources.ExternalIdealGasSubstance$H2. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.0-master/package.mo:3011:6-3011:65:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System H.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Chemical.Components.Substance$H. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.0-master/package.mo:3011:6-3011:65:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System electrone.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Chemical.Components.ElectronTransfer. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.0-master/package.mo:3011:6-3011:65:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System electrone1.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Chemical.Components.ElectronTransfer. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.0-master/package.mo:3011:6-3011:65:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System H2O.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Chemical.Components.Substance$H2O. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Chemical 1.4.0-master/package.mo:3011:6-3011:65:writable] Warning: No corresponding 'inner' declaration found for component .Modelica.Fluid.System O2_.system declared as 'outer '. The existing 'inner' components are: There are no 'inner' components defined in the model in any of the parent scopes of 'outer' component's scope: Chemical.Sources.ExternalIdealGasSubstance$O2_. Check if you have not misspelled the 'outer' component name. Please declare an 'inner' component with the same name in the top scope. Continuing flattening by only considering the 'outer' component declaration. Notification: Performance of FrontEnd - DAE generated: time 0.3927/0.8674, allocations: 59.66 MB / 0.5811 GB, free: 90.8 MB / 442.7 MB Notification: Performance of FrontEnd: time 2.585e-06/0.8674, allocations: 0.8125 kB / 0.5811 GB, free: 90.8 MB / 442.7 MB Notification: Performance of Transformations before backend: time 0.0001624/0.8676, allocations: 43.34 kB / 0.5812 GB, free: 90.8 MB / 442.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 422 * Number of variables: 422 Notification: Performance of Generate backend data structure: time 0.004726/0.8723, allocations: 2.041 MB / 0.5832 GB, free: 90.14 MB / 442.7 MB Notification: Performance of prepare preOptimizeDAE: time 4.482e-05/0.8724, allocations: 12.16 kB / 0.5832 GB, free: 90.14 MB / 442.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001797/0.8742, allocations: 0.4944 MB / 0.5837 GB, free: 90.02 MB / 442.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002203/0.8764, allocations: 1.176 MB / 0.5848 GB, free: 89.64 MB / 442.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001386/0.8766, allocations: 184.9 kB / 0.585 GB, free: 89.57 MB / 442.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0002429/0.8768, allocations: 167.7 kB / 0.5851 GB, free: 89.57 MB / 442.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.003997/0.8808, allocations: 2.737 MB / 0.5878 GB, free: 89.36 MB / 442.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 3.653e-05/0.8809, allocations: 4.375 kB / 0.5878 GB, free: 89.36 MB / 442.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.000142/0.881, allocations: 66.62 kB / 0.5879 GB, free: 89.36 MB / 442.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.917e-05/0.8811, allocations: 41.95 kB / 0.5879 GB, free: 89.36 MB / 442.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004662/0.8857, allocations: 3.61 MB / 0.5914 GB, free: 89.34 MB / 442.7 MB Warning: The model contains alias variables with conflicting start and/or 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 0.0129/0.8987, allocations: 8.636 MB / 0.5999 GB, free: 86.64 MB / 442.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.002177/0.9009, allocations: 1.82 MB / 0.6017 GB, free: 86.37 MB / 442.7 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.001054/0.9019, allocations: 0.8951 MB / 0.6025 GB, free: 86.34 MB / 442.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.000502/0.9024, allocations: 295.4 kB / 0.6028 GB, free: 86.33 MB / 442.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.14e-05/0.9025, allocations: 51.31 kB / 0.6029 GB, free: 86.29 MB / 442.7 MB Notification: Performance of preOpt simplifyInStream (simulation): time 0.001108/0.9036, allocations: 163.7 kB / 0.603 GB, free: 86.21 MB / 442.7 MB Notification: Performance of pre-optimization done (n=109): time 3.997e-06/0.9036, allocations: 3.031 kB / 0.603 GB, free: 86.21 MB / 442.7 MB Notification: Performance of matching and sorting (n=174): time 0.03669/0.9403, allocations: 12.81 MB / 0.6155 GB, free: 83.98 MB / 442.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.01573/0.9561, allocations: 8.119 MB / 0.6235 GB, free: 79.84 MB / 442.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001752/0.9579, allocations: 1.591 MB / 0.625 GB, free: 79.14 MB / 442.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0003363/0.9582, allocations: 54.92 kB / 0.6251 GB, free: 79.09 MB / 442.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0004388/0.9587, allocations: 0.9316 MB / 0.626 GB, free: 78.36 MB / 442.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.0004255/0.9591, allocations: 0.5932 MB / 0.6266 GB, free: 77.89 MB / 442.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001284/0.9592, allocations: 48.83 kB / 0.6266 GB, free: 77.86 MB / 442.7 MB Notification: Performance of setup shared object (initialization): time 9.964e-05/0.9593, allocations: 390.2 kB / 0.627 GB, free: 77.52 MB / 442.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.001914/0.9613, allocations: 1.546 MB / 0.6285 GB, free: 76.92 MB / 442.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002038/0.9633, allocations: 2.098 MB / 0.6305 GB, free: 75.66 MB / 442.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001889/0.9652, allocations: 1.755 MB / 0.6322 GB, free: 75 MB / 442.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.938e-06/0.9652, allocations: 6.625 kB / 0.6323 GB, free: 75 MB / 442.7 MB Notification: Performance of matching and sorting (n=282) (initialization): time 0.0106/0.9758, allocations: 4.664 MB / 0.6368 GB, free: 73.36 MB / 442.7 MB Notification: Performance of prepare postOptimizeDAE: time 4.732e-05/0.9759, allocations: 18.7 kB / 0.6368 GB, free: 73.36 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.814e-05/0.976, allocations: 18.7 kB / 0.6368 GB, free: 73.36 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.008181/0.9842, allocations: 1.322 MB / 0.6381 GB, free: 73.04 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003692/0.9879, allocations: 0.5345 MB / 0.6387 GB, free: 73 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.008767/0.9967, allocations: 4.952 MB / 0.6435 GB, free: 69.01 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.005193/1.002, allocations: 261.2 kB / 0.6437 GB, free: 68.96 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000698/1.003, allocations: 128.1 kB / 0.6439 GB, free: 68.94 MB / 442.7 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 76 * Number of states: 0 () * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (239): * Single equations (assignments): 233 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 1 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 1 {(2,100.0%)} * Non-linear Jacobian: 0 * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(1,100.0%) 3} * Non-linear torn systems: 2 {3 26,1 3} Notification: Performance of prepare postOptimizeDAE: time 0.0005803/1.003, allocations: 227.7 kB / 0.6441 GB, free: 68.73 MB / 442.7 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006806/1.004, allocations: 188 kB / 0.6443 GB, free: 68.63 MB / 442.7 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.01104/1.015, allocations: 3.899 MB / 0.6481 GB, free: 67.13 MB / 442.7 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.009807/1.025, allocations: 3.653 MB / 0.6516 GB, free: 65.79 MB / 442.7 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.315e-05/1.025, allocations: 7.672 kB / 0.6516 GB, free: 65.78 MB / 442.7 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.382e-05/1.025, allocations: 10.45 kB / 0.6517 GB, free: 65.78 MB / 442.7 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.02435/1.049, allocations: 8.316 MB / 0.6598 GB, free: 60.92 MB / 442.7 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.886e-05/1.049, allocations: 8.656 kB / 0.6598 GB, free: 60.91 MB / 442.7 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.002138/1.052, allocations: 302.2 kB / 0.6601 GB, free: 60.67 MB / 442.7 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.01659/1.068, allocations: 2.534 MB / 0.6625 GB, free: 58.91 MB / 442.7 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0004548/1.069, allocations: 73.2 kB / 0.6626 GB, free: 58.86 MB / 442.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.007441/1.076, allocations: 4.196 MB / 0.6667 GB, free: 54.9 MB / 442.7 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 0.02382/1.1, allocations: 7.826 MB / 0.6744 GB, free: 47.98 MB / 442.7 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.01087/1.111, allocations: 6.149 MB / 0.6804 GB, free: 42.1 MB / 442.7 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0008738/1.112, allocations: 288.2 kB / 0.6806 GB, free: 41.82 MB / 442.7 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0003006/1.112, allocations: 52.7 kB / 0.6807 GB, free: 41.77 MB / 442.7 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.00194/1.114, allocations: 127.7 kB / 0.6808 GB, free: 41.68 MB / 442.7 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0003165/1.114, allocations: 148.6 kB / 0.6809 GB, free: 41.59 MB / 442.7 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001224/1.115, allocations: 77.64 kB / 0.681 GB, free: 41.53 MB / 442.7 MB Notification: Performance of sorting global known variables: time 0.001281/1.116, allocations: 1.213 MB / 0.6822 GB, free: 40.41 MB / 442.7 MB Notification: Performance of sort global known variables: time 2.91e-07/1.116, allocations: 0 / 0.6822 GB, free: 40.41 MB / 442.7 MB Notification: Performance of remove unused functions: time 0.003689/1.12, allocations: 1.217 MB / 0.6834 GB, free: 39.21 MB / 442.7 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 32 * Number of states: 5 ($STATESET1.x[5],$STATESET1.x[4],$STATESET1.x[3],$STATESET1.x[2],$STATESET1.x[1]) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (137): * Single equations (assignments): 134 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 1 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 1 {(2,100.0%)} * Non-linear Jacobian: 0 * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(1,100.0%) 3} * Non-linear torn systems: 1 {9 43} Notification: Performance of Backend phase and start with SimCode phase: time 0.001818/1.121, allocations: 0.8784 MB / 0.6843 GB, free: 38.53 MB / 442.7 MB Notification: Performance of simCode: created initialization part: time 0.005042/1.126, allocations: 3.701 MB / 0.6879 GB, free: 35.1 MB / 442.7 MB Notification: Performance of simCode: created event and clocks part: time 8.005e-06/1.127, allocations: 0 / 0.6879 GB, free: 35.1 MB / 442.7 MB Notification: Performance of simCode: created simulation system equations: time 0.003062/1.13, allocations: 1.949 MB / 0.6898 GB, free: 33.36 MB / 442.7 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002983/1.133, allocations: 0.5264 MB / 0.6903 GB, free: 32.96 MB / 442.7 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005581/1.138, allocations: 3.689 MB / 0.6939 GB, free: 29.46 MB / 442.7 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007791/1.139, allocations: 1.492 MB / 0.6953 GB, free: 28.23 MB / 442.7 MB Notification: Performance of simCode: alias equations: time 0.001681/1.141, allocations: 369.3 kB / 0.6957 GB, free: 27.97 MB / 442.7 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006172/1.141, allocations: 179.7 kB / 0.6959 GB, free: 27.84 MB / 442.7 MB Notification: Performance of SimCode: time 7.52e-07/1.141, allocations: 0 / 0.6959 GB, free: 27.84 MB / 442.7 MB Notification: Performance of Templates: time 0.06857/1.21, allocations: 47.18 MB / 0.7419 GB, free: 14.73 MB / 474.7 MB make -j1 -f Chemical_Chemical.Examples.H2O_ElectrochemicalCell.makefile (rm -f Chemical_Chemical.Examples.H2O_ElectrochemicalCell.pipe ; mkfifo Chemical_Chemical.Examples.H2O_ElectrochemicalCell.pipe ; head -c 1048576 < Chemical_Chemical.Examples.H2O_ElectrochemicalCell.pipe >> ../files/Chemical_Chemical.Examples.H2O_ElectrochemicalCell.sim & ./Chemical_Chemical.Examples.H2O_ElectrochemicalCell -abortSlowSimulation -alarm=480 -lv LOG_STATS > Chemical_Chemical.Examples.H2O_ElectrochemicalCell.pipe 2>&1)