Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/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 8.0.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo) Running command: "" <> buildModelFMU(Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth,fileNamePrefix="Buildings_maint_8_0_x_Buildings_BoundaryConditions_SolarGeometry_BaseClasses_Examples_WallSolarAzimuth",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth,fileNamePrefix="Buildings_maint_8_0_x_Buildings_BoundaryConditions_SolarGeometry_BaseClasses_Examples_WallSolarAzimuth",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.981/1.981, allocations: 288.4 MB / 303.3 MB, free: 8.039 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001022/0.001021, allocations: 179.4 kB / 372 MB, free: 10.25 MB / 298.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.692/1.692, allocations: 205.4 MB / 0.6307 GB, free: 10 MB / 458.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.0008464/0.0008464, allocations: 86.31 kB / 0.744 GB, free: 5.934 MB / 0.5573 GB Notification: Performance of FrontEnd - loaded program: time 0.0004286/0.0004286, allocations: 19.53 kB / 0.867 GB, free: 142 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2298/0.2303, allocations: 115.3 MB / 0.9796 GB, free: 27.55 MB / 0.6198 GB Notification: Performance of NFInst.instantiate(Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth): time 0.0044/0.2347, allocations: 3.721 MB / 0.9833 GB, free: 23.81 MB / 0.6198 GB Notification: Performance of NFInst.instExpressions: time 0.6995/0.9342, allocations: 136.5 MB / 1.117 GB, free: 2.25 MB / 0.6823 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0009718/0.9353, allocations: 19.66 kB / 1.117 GB, free: 2.242 MB / 0.6823 GB Notification: Performance of NFTyping.typeComponents: time 0.0007163/0.936, allocations: 129.7 kB / 1.117 GB, free: 2.184 MB / 0.6823 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/BoundaryConditions/WeatherData/BaseClasses/getHeaderElementTMY3.mo:2:1-105:25:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘ contains a call to impure function ‘Modelica.Utilities.Streams.readLine‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/BoundaryConditions/WeatherData/BaseClasses/getLongitudeTMY3.mo:2:1-48:21:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLongitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/BoundaryConditions/WeatherData/BaseClasses/getLatitudeTMY3.mo:2:1-48:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLatitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/BoundaryConditions/WeatherData/BaseClasses/getTimeZoneTMY3.mo:2:1-47:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getTimeZoneTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. Notification: Performance of NFTyping.typeBindings: time 0.002008/0.938, allocations: 371.6 kB / 1.117 GB, free: 2.082 MB / 0.6823 GB Notification: Performance of NFTyping.typeClassSections: time 0.002509/0.9405, allocations: 0.619 MB / 1.118 GB, free: 2.023 MB / 0.6823 GB Notification: Performance of NFFlatten.flatten: time 0.002026/0.9426, allocations: 1.079 MB / 1.119 GB, free: 1.848 MB / 0.6823 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0009832/0.9436, allocations: 0.5302 MB / 1.119 GB, free: 1.742 MB / 0.6823 GB Notification: Performance of NFEvalConstants.evaluate: time 0.0008234/0.9444, allocations: 325 kB / 1.12 GB, free: 1.652 MB / 0.6823 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0005498/0.945, allocations: 354.4 kB / 1.12 GB, free: 1.551 MB / 0.6823 GB Notification: Performance of NFPackage.collectConstants: time 9.275e-05/0.9451, allocations: 27.31 kB / 1.12 GB, free: 1.547 MB / 0.6823 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001046/0.9461, allocations: 288.1 kB / 1.12 GB, free: 1.531 MB / 0.6823 GB Notification: Performance of NFScalarize.scalarize: time 0.0002017/0.9463, allocations: 177.5 kB / 1.12 GB, free: 1.488 MB / 0.6823 GB Notification: Performance of NFVerifyModel.verify: time 0.0003008/0.9467, allocations: 194.6 kB / 1.121 GB, free: 17.42 MB / 0.698 GB Notification: Performance of NFConvertDAE.convert: time 0.001466/0.9481, allocations: 1.133 MB / 1.122 GB, free: 17.33 MB / 0.698 GB Notification: Performance of FrontEnd - DAE generated: time 5.731e-06/0.9481, allocations: 0 / 1.122 GB, free: 17.33 MB / 0.698 GB Notification: Performance of FrontEnd: time 2.846e-06/0.9482, allocations: 1.125 kB / 1.122 GB, free: 17.33 MB / 0.698 GB Notification: Performance of Transformations before backend: time 2.092e-05/0.9482, allocations: 0 / 1.122 GB, free: 17.33 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: 233 * Number of variables: 233 Notification: Performance of Generate backend data structure: time 0.002623/0.9508, allocations: 1.205 MB / 1.123 GB, free: 16.58 MB / 0.698 GB Notification: Performance of prepare preOptimizeDAE: time 5.369e-05/0.9509, allocations: 9.344 kB / 1.123 GB, free: 16.58 MB / 0.698 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0002242/0.9511, allocations: 146.2 kB / 1.123 GB, free: 16.54 MB / 0.698 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001006/0.9521, allocations: 198 kB / 1.123 GB, free: 16.48 MB / 0.698 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001244/0.9534, allocations: 0.7133 MB / 1.124 GB, free: 16.18 MB / 0.698 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 8.21e-05/0.9535, allocations: 69.78 kB / 1.124 GB, free: 16.18 MB / 0.698 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001693/0.9536, allocations: 85.75 kB / 1.124 GB, free: 16.18 MB / 0.698 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00203/0.9557, allocations: 0.9714 MB / 1.125 GB, free: 16.01 MB / 0.698 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.065e-05/0.9557, allocations: 0 / 1.125 GB, free: 16.01 MB / 0.698 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 9.613e-05/0.9558, allocations: 42.73 kB / 1.125 GB, free: 16.01 MB / 0.698 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.788e-05/0.9559, allocations: 28.84 kB / 1.125 GB, free: 16 MB / 0.698 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002249/0.9581, allocations: 1.15 MB / 1.126 GB, free: 15.99 MB / 0.698 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.004596/0.9627, allocations: 2.654 MB / 1.129 GB, free: 15.13 MB / 0.698 GB Notification: Performance of preOpt comSubExp (simulation): time 0.00125/0.964, allocations: 0.7686 MB / 1.13 GB, free: 15.09 MB / 0.698 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004717/0.9645, allocations: 310 kB / 1.13 GB, free: 15.07 MB / 0.698 GB Notification: Performance of preOpt evalFunc (simulation): time 8.148e-05/0.9646, allocations: 34.84 kB / 1.13 GB, free: 15.07 MB / 0.698 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0007944/0.9654, allocations: 476.2 kB / 1.13 GB, free: 14.98 MB / 0.698 GB Notification: Performance of pre-optimization done (n=80): time 2.815e-06/0.9654, allocations: 0 / 1.13 GB, free: 14.98 MB / 0.698 GB Notification: Performance of matching and sorting (n=80): time 0.003117/0.9685, allocations: 1.151 MB / 1.131 GB, free: 14.78 MB / 0.698 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001256/0.9687, allocations: 193.6 kB / 1.132 GB, free: 14.56 MB / 0.698 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008991/0.9696, allocations: 0.6048 MB / 1.132 GB, free: 14.44 MB / 0.698 GB Notification: Performance of collectPreVariables (initialization): time 0.0001038/0.9697, allocations: 39.05 kB / 1.132 GB, free: 14.41 MB / 0.698 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003606/0.9701, allocations: 421.8 kB / 1.133 GB, free: 14.21 MB / 0.698 GB Notification: Performance of collectInitialBindings (initialization): time 0.000236/0.9703, allocations: 259.7 kB / 1.133 GB, free: 14.04 MB / 0.698 GB Notification: Performance of simplifyInitialFunctions (initialization): time 3.758e-05/0.9704, allocations: 13.12 kB / 1.133 GB, free: 14.04 MB / 0.698 GB Notification: Performance of setup shared object (initialization): time 0.0001737/0.9705, allocations: 387.5 kB / 1.133 GB, free: 13.7 MB / 0.698 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004704/0.971, allocations: 235.5 kB / 1.134 GB, free: 13.66 MB / 0.698 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0005498/0.9716, allocations: 354.7 kB / 1.134 GB, free: 13.53 MB / 0.698 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0005611/0.9722, allocations: 288.3 kB / 1.134 GB, free: 13.5 MB / 0.698 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.961e-06/0.9722, allocations: 11.8 kB / 1.134 GB, free: 13.5 MB / 0.698 GB Notification: Performance of matching and sorting (n=87) (initialization): time 0.001865/0.974, allocations: 0.7981 MB / 1.135 GB, free: 13.29 MB / 0.698 GB Notification: Performance of prepare postOptimizeDAE: time 2.167e-05/0.9741, allocations: 6.375 kB / 1.135 GB, free: 13.29 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.196e-05/0.9741, allocations: 3.984 kB / 1.135 GB, free: 13.29 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0006044/0.9747, allocations: 82.81 kB / 1.135 GB, free: 13.25 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0006745/0.9754, allocations: 152.7 kB / 1.135 GB, free: 13.22 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002179/0.9776, allocations: 1.521 MB / 1.137 GB, free: 11.85 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0008244/0.9784, allocations: 90.95 kB / 1.137 GB, free: 11.8 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.424e-05/0.9785, allocations: 34.69 kB / 1.137 GB, free: 11.79 MB / 0.698 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 6 ($whenCondition2,$whenCondition1,$PRE.weaDat.conTimMin.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTim.tNext) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (85): * Single equations (assignments): 84 * Array equations: 0 * Algorithm blocks: 0 * 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 2} Notification: Performance of prepare postOptimizeDAE: time 0.0005645/0.9791, allocations: 267.8 kB / 1.137 GB, free: 11.66 MB / 0.698 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000152/0.9793, allocations: 80.25 kB / 1.137 GB, free: 11.61 MB / 0.698 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002593/0.9819, allocations: 1.103 MB / 1.138 GB, free: 11.29 MB / 0.698 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.549e-05/0.9819, allocations: 13.73 kB / 1.138 GB, free: 11.28 MB / 0.698 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.797e-06/0.9819, allocations: 0 / 1.138 GB, free: 11.28 MB / 0.698 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.472e-05/0.9819, allocations: 5.391 kB / 1.138 GB, free: 11.28 MB / 0.698 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003642/0.9856, allocations: 2 MB / 1.14 GB, free: 10.53 MB / 0.698 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.791e-06/0.9856, allocations: 1 kB / 1.14 GB, free: 10.53 MB / 0.698 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006786/0.9863, allocations: 161.1 kB / 1.14 GB, free: 10.5 MB / 0.698 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005418/0.9868, allocations: 82.7 kB / 1.14 GB, free: 10.47 MB / 0.698 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.702e-05/0.9869, allocations: 26.55 kB / 1.14 GB, free: 10.46 MB / 0.698 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.002031/0.9889, allocations: 1.547 MB / 1.142 GB, free: 9.09 MB / 0.698 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.593e-06/0.9889, allocations: 0 / 1.142 GB, free: 9.09 MB / 0.698 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002402/0.9914, allocations: 0.9814 MB / 1.143 GB, free: 8.766 MB / 0.698 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0005183/0.9919, allocations: 282.9 kB / 1.143 GB, free: 8.57 MB / 0.698 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001081/0.992, allocations: 16.69 kB / 1.143 GB, free: 8.57 MB / 0.698 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006385/0.9927, allocations: 75.52 kB / 1.143 GB, free: 8.547 MB / 0.698 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001614/0.9928, allocations: 64.62 kB / 1.143 GB, free: 8.523 MB / 0.698 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 8.22e-05/0.9929, allocations: 33.3 kB / 1.143 GB, free: 8.52 MB / 0.698 GB Notification: Performance of sorting global known variables: time 0.0007671/0.9937, allocations: 451.3 kB / 1.144 GB, free: 8.367 MB / 0.698 GB Notification: Performance of sort global known variables: time 1.4e-07/0.9937, allocations: 0 / 1.144 GB, free: 8.367 MB / 0.698 GB Notification: Performance of remove unused functions: time 0.001146/0.9949, allocations: 302.8 kB / 1.144 GB, free: 8.305 MB / 0.698 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition2,$whenCondition1,weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of discrete states: 2 (weaDat.conTim.tNext,weaDat.conTimMin.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (94): * Single equations (assignments): 91 * 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 3} Notification: Performance of Backend phase and start with SimCode phase: time 0.003528/0.9984, allocations: 2.003 MB / 1.146 GB, free: 7.27 MB / 0.698 GB Notification: Performance of simCode: created initialization part: time 0.001852/1, allocations: 0.7887 MB / 1.147 GB, free: 7.039 MB / 0.698 GB Notification: Performance of simCode: created event and clocks part: time 4.458e-06/1, allocations: 1.281 kB / 1.147 GB, free: 7.039 MB / 0.698 GB Notification: Performance of simCode: created simulation system equations: time 0.0009498/1.001, allocations: 0.509 MB / 1.147 GB, free: 6.855 MB / 0.698 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001528/1.003, allocations: 255.1 kB / 1.148 GB, free: 6.785 MB / 0.698 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01158/1.014, allocations: 5.021 MB / 1.152 GB, free: 4.586 MB / 0.698 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0008733/1.015, allocations: 1.036 MB / 1.153 GB, free: 3.75 MB / 0.698 GB Notification: Performance of simCode: alias equations: time 0.00121/1.017, allocations: 273.2 kB / 1.154 GB, free: 3.609 MB / 0.698 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0006057/1.017, allocations: 400.4 kB / 1.154 GB, free: 3.555 MB / 0.698 GB Notification: Performance of SimCode: time 1.202e-06/1.017, allocations: 0 / 1.154 GB, free: 3.555 MB / 0.698 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.04824/1.065, allocations: 21.05 MB / 1.175 GB, free: 9.223 MB / 0.7136 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0002727/1.066, allocations: 304.5 kB / 1.175 GB, free: 8.867 MB / 0.7136 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.926/3.992, allocations: 0 / 1.175 GB, free: 8.867 MB / 0.7136 GB (rm -f Buildings_maint.8.0.x_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.pipe ; mkfifo Buildings_maint.8.0.x_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.pipe ; head -c 1048576 < Buildings_maint.8.0.x_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.pipe >> ../files/Buildings_maint.8.0.x_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_Buildings_maint_8_0_x_Buildings_BoundaryConditions_SolarGeometry_BaseClasses_Examples_WallSolarAzimuth_fmu --startTime=0 --stopTime=86400 --timeout=50 --tolerance=1e-06 Buildings_maint_8_0_x_Buildings_BoundaryConditions_SolarGeometry_BaseClasses_Examples_WallSolarAzimuth.fmu > Buildings_maint.8.0.x_Buildings.BoundaryConditions.SolarGeometry.BaseClasses.Examples.WallSolarAzimuth.pipe 2>&1)