Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+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/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/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 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 8.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo) Running command: "" <> buildModelFMU(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised,fileNamePrefix="Buildings_8_0_0_Buildings_Fluid_Examples_Performance_PressureDrop_SeriesParallelFlowOptimised",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised,fileNamePrefix="Buildings_8_0_0_Buildings_Fluid_Examples_Performance_PressureDrop_SeriesParallelFlowOptimised",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.0/package.mo): time 1.575/1.575, allocations: 287.4 MB / 302.6 MB, free: 8.125 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.0008489/0.0008489, allocations: 180.9 kB / 371.1 MB, free: 10.75 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.305/1.305, allocations: 205.4 MB / 0.6298 GB, free: 10.56 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0007719/0.0007718, allocations: 94.28 kB / 0.7431 GB, free: 6.547 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004693/0.0004698, allocations: 11.59 kB / 0.8662 GB, free: 140.7 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2016/0.2021, allocations: 115.3 MB / 0.9787 GB, free: 28.09 MB / 0.6198 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised): time 0.6463/0.8484, allocations: 152.4 MB / 1.128 GB, free: 0.9141 MB / 0.6823 GB Notification: Performance of NFInst.instExpressions: time 0.003694/0.8522, allocations: 2.061 MB / 1.13 GB, free: 0.707 MB / 0.6823 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0004278/0.8527, allocations: 15.53 kB / 1.13 GB, free: 0.6992 MB / 0.6823 GB Notification: Performance of NFTyping.typeComponents: time 0.0006462/0.8533, allocations: 154.4 kB / 1.13 GB, free: 0.6445 MB / 0.6823 GB Notification: Performance of NFTyping.typeBindings: time 0.001581/0.8549, allocations: 0.4938 MB / 1.13 GB, free: 0.5234 MB / 0.6823 GB Notification: Performance of NFTyping.typeClassSections: time 0.001172/0.8561, allocations: 371.5 kB / 1.131 GB, free: 0.4922 MB / 0.6823 GB Notification: Performance of NFFlatten.flatten: time 0.003085/0.8592, allocations: 3.294 MB / 1.134 GB, free: 0 / 0.6823 GB Notification: Performance of NFFlatten.resolveConnections: time 0.002771/0.862, allocations: 2.351 MB / 1.136 GB, free: 15.59 MB / 0.698 GB Notification: Performance of NFEvalConstants.evaluate: time 0.003568/0.8656, allocations: 1.047 MB / 1.137 GB, free: 15.38 MB / 0.698 GB Notification: Performance of NFSimplifyModel.simplify: time 0.003067/0.8687, allocations: 0.8518 MB / 1.138 GB, free: 15.21 MB / 0.698 GB Notification: Performance of NFPackage.collectConstants: time 0.0002229/0.8689, allocations: 46.81 kB / 1.138 GB, free: 15.21 MB / 0.698 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002793/0.8717, allocations: 0.6018 MB / 1.139 GB, free: 15.16 MB / 0.698 GB Notification: Performance of NFScalarize.scalarize: time 0.0004565/0.8722, allocations: 331.3 kB / 1.139 GB, free: 15.11 MB / 0.698 GB Notification: Performance of NFVerifyModel.verify: time 0.000624/0.8728, allocations: 246 kB / 1.139 GB, free: 15.04 MB / 0.698 GB Notification: Performance of NFConvertDAE.convert: time 0.001587/0.8744, allocations: 1.178 MB / 1.14 GB, free: 14.93 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 4.93e-06/0.8744, allocations: 0 / 1.14 GB, free: 14.93 MB / 0.698 GB Notification: Performance of FrontEnd: time 2.365e-06/0.8744, allocations: 4 kB / 1.14 GB, free: 14.93 MB / 0.698 GB Notification: Performance of Transformations before backend: time 1.469e-05/0.8745, allocations: 0 / 1.14 GB, free: 14.93 MB / 0.698 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 136 * Number of variables: 136 Notification: Performance of Generate backend data structure: time 0.002763/0.8772, allocations: 1.507 MB / 1.142 GB, free: 13.91 MB / 0.698 GB Notification: Performance of prepare preOptimizeDAE: time 4.556e-05/0.8773, allocations: 9.75 kB / 1.142 GB, free: 13.91 MB / 0.698 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001292/0.8774, allocations: 95.02 kB / 1.142 GB, free: 13.86 MB / 0.698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0007942/0.8782, allocations: 204.7 kB / 1.142 GB, free: 13.77 MB / 0.698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001647/0.8799, allocations: 0.9208 MB / 1.143 GB, free: 13.23 MB / 0.698 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.211e-05/0.8799, allocations: 47.91 kB / 1.143 GB, free: 13.23 MB / 0.698 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001186/0.8801, allocations: 67.44 kB / 1.143 GB, free: 13.23 MB / 0.698 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001555/0.8816, allocations: 0.9882 MB / 1.144 GB, free: 12.78 MB / 0.698 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.141e-05/0.8817, allocations: 4.812 kB / 1.144 GB, free: 12.78 MB / 0.698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 6.465e-05/0.8817, allocations: 24.44 kB / 1.144 GB, free: 12.78 MB / 0.698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.789e-05/0.8818, allocations: 14.94 kB / 1.144 GB, free: 12.78 MB / 0.698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001353/0.8831, allocations: 0.8053 MB / 1.145 GB, free: 12.6 MB / 0.698 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 0.005207/0.8883, allocations: 4.812 MB / 1.15 GB, free: 8.801 MB / 0.698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.002545/0.8909, allocations: 4.017 MB / 1.153 GB, free: 4.406 MB / 0.698 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005364/0.8915, allocations: 359.8 kB / 1.154 GB, free: 4.336 MB / 0.698 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0003082/0.8918, allocations: 193.8 kB / 1.154 GB, free: 4.141 MB / 0.698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0005585/0.8923, allocations: 335.9 kB / 1.154 GB, free: 3.988 MB / 0.698 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0006564/0.893, allocations: 35.72 kB / 1.154 GB, free: 3.969 MB / 0.698 GB Notification: Performance of pre-optimization done (n=35): time 2.355e-06/0.893, allocations: 0 / 1.154 GB, free: 3.969 MB / 0.698 GB Notification: Performance of matching and sorting (n=35): time 0.004953/0.898, allocations: 1.615 MB / 1.156 GB, free: 3.277 MB / 0.698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.837e-05/0.8981, allocations: 81.14 kB / 1.156 GB, free: 3.184 MB / 0.698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002214/0.9003, allocations: 1.177 MB / 1.157 GB, free: 2.812 MB / 0.698 GB Notification: Performance of collectPreVariables (initialization): time 0.000102/0.9004, allocations: 41.33 kB / 1.157 GB, free: 2.777 MB / 0.698 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005173/0.901, allocations: 0.5147 MB / 1.158 GB, free: 2.559 MB / 0.698 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001366/0.9011, allocations: 126 kB / 1.158 GB, free: 2.469 MB / 0.698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 2.631e-05/0.9011, allocations: 7.281 kB / 1.158 GB, free: 2.469 MB / 0.698 GB Notification: Performance of setup shared object (initialization): time 0.0001168/0.9013, allocations: 330.2 kB / 1.158 GB, free: 2.156 MB / 0.698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004025/0.9017, allocations: 205.6 kB / 1.158 GB, free: 2.113 MB / 0.698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0006474/0.9023, allocations: 0.5362 MB / 1.159 GB, free: 1.672 MB / 0.698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0009397/0.9033, allocations: 0.6434 MB / 1.16 GB, free: 1.332 MB / 0.698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.051e-05/0.9033, allocations: 2.719 kB / 1.16 GB, free: 1.332 MB / 0.698 GB Notification: Performance of matching and sorting (n=58) (initialization): time 0.002534/0.9058, allocations: 1.047 MB / 1.161 GB, free: 0.9375 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 0.0002333/0.9061, allocations: 276.2 kB / 1.161 GB, free: 0.6172 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.66e-05/0.9061, allocations: 4.656 kB / 1.161 GB, free: 0.6172 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.001265/0.9074, allocations: 332.9 kB / 1.161 GB, free: 0.5078 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004293/0.9078, allocations: 109.9 kB / 1.161 GB, free: 488 kB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001244/0.9091, allocations: 1.005 MB / 1.162 GB, free: 15.84 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001349/0.9105, allocations: 99.95 kB / 1.162 GB, free: 15.8 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.376e-05/0.9105, allocations: 23.94 kB / 1.162 GB, free: 15.8 MB / 0.7136 GB Notification: Performance of prepare postOptimizeDAE: time 1.208e-05/0.9106, allocations: 4.375 kB / 1.162 GB, free: 15.8 MB / 0.7136 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001438/0.912, allocations: 0.7874 MB / 1.163 GB, free: 15.55 MB / 0.7136 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.626e-06/0.912, allocations: 5.125 kB / 1.163 GB, free: 15.55 MB / 0.7136 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006255/0.9127, allocations: 232.9 kB / 1.163 GB, free: 15.49 MB / 0.7136 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003872/0.9131, allocations: 101.9 kB / 1.163 GB, free: 15.46 MB / 0.7136 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.003586/0.9167, allocations: 2.948 MB / 1.166 GB, free: 13.69 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.001175/0.9179, allocations: 102.9 kB / 1.166 GB, free: 13.64 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.68e-05/0.9179, allocations: 21.88 kB / 1.166 GB, free: 13.64 MB / 0.7136 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 24 * Number of states: 0 () * Number of discrete variables: 5 ($whenCondition1,$PRE.pulse_m_flow.T_start,pulse_m_flow.T_start,$PRE.pulse_m_flow.count,pulse_m_flow.count) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (38): * Single equations (assignments): 36 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 19} Notification: Performance of prepare postOptimizeDAE: time 0.0007392/0.9187, allocations: 479.1 kB / 1.167 GB, free: 13.38 MB / 0.7136 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001942/0.9189, allocations: 108.1 kB / 1.167 GB, free: 13.32 MB / 0.7136 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001292/0.9202, allocations: 0.7893 MB / 1.168 GB, free: 13.06 MB / 0.7136 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 6.052e-06/0.9202, allocations: 5.344 kB / 1.168 GB, free: 13.06 MB / 0.7136 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.705e-06/0.9202, allocations: 0 / 1.168 GB, free: 13.06 MB / 0.7136 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 5.13e-06/0.9202, allocations: 4 kB / 1.168 GB, free: 13.05 MB / 0.7136 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 postOpt removeSimpleEquations (simulation): time 0.003008/0.9232, allocations: 2.12 MB / 1.17 GB, free: 11.88 MB / 0.7136 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.65e-06/0.9232, allocations: 2.906 kB / 1.17 GB, free: 11.88 MB / 0.7136 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003137/0.9236, allocations: 77.75 kB / 1.17 GB, free: 11.86 MB / 0.7136 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0003746/0.9239, allocations: 176.4 kB / 1.17 GB, free: 11.8 MB / 0.7136 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.617e-05/0.924, allocations: 13.09 kB / 1.17 GB, free: 11.79 MB / 0.7136 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0007571/0.9247, allocations: 0.865 MB / 1.171 GB, free: 11.18 MB / 0.7136 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.544e-06/0.9248, allocations: 0 / 1.171 GB, free: 11.18 MB / 0.7136 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001302/0.9261, allocations: 0.8585 MB / 1.172 GB, free: 10.77 MB / 0.7136 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005487/0.9266, allocations: 231.6 kB / 1.172 GB, free: 10.6 MB / 0.7136 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001168/0.9268, allocations: 7.125 kB / 1.172 GB, free: 10.6 MB / 0.7136 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006589/0.9274, allocations: 77.78 kB / 1.172 GB, free: 10.57 MB / 0.7136 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001144/0.9275, allocations: 36.92 kB / 1.172 GB, free: 10.55 MB / 0.7136 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.751e-05/0.9276, allocations: 18.44 kB / 1.172 GB, free: 10.54 MB / 0.7136 GB Notification: Performance of sorting global known variables: time 0.001296/0.9289, allocations: 0.8261 MB / 1.173 GB, free: 10.27 MB / 0.7136 GB Notification: Performance of sort global known variables: time 5.41e-07/0.9289, allocations: 0 / 1.173 GB, free: 10.27 MB / 0.7136 GB Notification: Performance of remove unused functions: time 0.001722/0.9306, allocations: 0.5113 MB / 1.173 GB, free: 10.23 MB / 0.7136 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,pulse_m_flow.T_start,pulse_m_flow.count) * Number of discrete states: 1 (pulse_m_flow.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (25): * Single equations (assignments): 22 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {1 10} Notification: Performance of Backend phase and start with SimCode phase: time 0.001859/0.9325, allocations: 1.408 MB / 1.175 GB, free: 9.301 MB / 0.7136 GB Notification: Performance of simCode: created initialization part: time 0.002057/0.9346, allocations: 1.131 MB / 1.176 GB, free: 8.824 MB / 0.7136 GB Notification: Performance of simCode: created event and clocks part: time 3.626e-06/0.9346, allocations: 6.875 kB / 1.176 GB, free: 8.82 MB / 0.7136 GB Notification: Performance of simCode: created simulation system equations: time 0.0004179/0.935, allocations: 253.1 kB / 1.176 GB, free: 8.762 MB / 0.7136 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003674/0.9387, allocations: 0.6483 MB / 1.177 GB, free: 8.516 MB / 0.7136 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01282/0.9515, allocations: 7.022 MB / 1.184 GB, free: 5.227 MB / 0.7136 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007466/0.9523, allocations: 1.213 MB / 1.185 GB, free: 4.281 MB / 0.7136 GB Notification: Performance of simCode: alias equations: time 0.001191/0.9535, allocations: 361.5 kB / 1.185 GB, free: 4.117 MB / 0.7136 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0004204/0.954, allocations: 362.5 kB / 1.186 GB, free: 3.82 MB / 0.7136 GB Notification: Performance of SimCode: time 6.11e-07/0.954, allocations: 0 / 1.186 GB, free: 3.82 MB / 0.7136 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.05962/1.014, allocations: 31.29 MB / 1.216 GB, free: 6.391 MB / 0.7448 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002434/1.014, allocations: 283.6 kB / 1.216 GB, free: 6.031 MB / 0.7448 GB Notification: Performance of buildModelFMU: Generate platform static: time 3.012/4.026, allocations: 0 / 1.216 GB, free: 6.031 MB / 0.7448 GB (rm -f Buildings_8.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.pipe ; mkfifo Buildings_8.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.pipe ; head -c 1048576 < Buildings_8.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.pipe >> ../files/Buildings_8.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_8_0_0_Buildings_Fluid_Examples_Performance_PressureDrop_SeriesParallelFlowOptimised_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 Buildings_8_0_0_Buildings_Fluid_Examples_Performance_PressureDrop_SeriesParallelFlowOptimised.fmu > Buildings_8.0.0_Buildings.Fluid.Examples.Performance.PressureDrop.SeriesParallelFlowOptimised.pipe 2>&1)