Running: ./testmodel.py --libraries=/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_maint.8.0.x_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.conf.json loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) Using package ModelicaServices with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Using package Modelica with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package Buildings with version 8.0.1 (/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo) Running command: translateModel(Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir") translateModel(Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_maint.8.0.x_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir") Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Buildings 8.0.1-maint.8.0.x/package.mo): time 1.802/1.802, allocations: 292.6 MB / 307.9 MB, free: 7.16 MB / 234.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.0009604/0.0009605, allocations: 189 kB / 376.5 MB, free: 4.449 MB / 298.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.38/1.38, allocations: 225.7 MB / 0.655 GB, free: 13.15 MB / 490.7 MB Notification: Performance of loadFile(/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/converted-libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.000835/0.0008344, allocations: 97.06 kB / 0.7711 GB, free: 50.36 MB / 0.5417 GB Notification: Performance of FrontEnd - loaded program: time 0.0006547/0.0006547, allocations: 16 kB / 0.897 GB, free: 11.54 MB / 0.6198 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.7654/0.7661, allocations: 118.2 MB / 1.012 GB, free: 57.64 MB / 0.7136 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir): time 0.1727/0.9389, allocations: 180.9 MB / 1.189 GB, free: 14.97 MB / 0.7917 GB Notification: Performance of NFInst.instExpressions: time 0.01501/0.954, allocations: 9.634 MB / 1.198 GB, free: 8.125 MB / 0.7917 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002158/0.9562, allocations: 49.34 kB / 1.199 GB, free: 8.105 MB / 0.7917 GB Notification: Performance of NFTyping.typeComponents: time 0.001547/0.9577, allocations: 432.4 kB / 1.199 GB, free: 7.871 MB / 0.7917 GB Notification: Performance of NFTyping.typeBindings: time 0.005243/0.963, allocations: 1.711 MB / 1.201 GB, free: 6.973 MB / 0.7917 GB Notification: Performance of NFTyping.typeClassSections: time 0.004461/0.9675, allocations: 1.102 MB / 1.202 GB, free: 6.438 MB / 0.7917 GB Notification: Performance of NFFlatten.flatten: time 0.004572/0.9721, allocations: 3.152 MB / 1.205 GB, free: 5.152 MB / 0.7917 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001716/0.9738, allocations: 0.9771 MB / 1.206 GB, free: 4.758 MB / 0.7917 GB Notification: Performance of NFEvalConstants.evaluate: time 0.004205/0.978, allocations: 1.404 MB / 1.207 GB, free: 4.18 MB / 0.7917 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001908/0.9799, allocations: 0.8777 MB / 1.208 GB, free: 3.824 MB / 0.7917 GB Notification: Performance of NFPackage.collectConstants: time 0.0001527/0.9801, allocations: 48.12 kB / 1.208 GB, free: 3.824 MB / 0.7917 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005103/0.9852, allocations: 2.325 MB / 1.21 GB, free: 3.027 MB / 0.7917 GB Notification: Performance of NFScalarize.scalarize: time 0.0005136/0.9858, allocations: 342.9 kB / 1.211 GB, free: 2.898 MB / 0.7917 GB Notification: Performance of NFVerifyModel.verify: time 0.001206/0.987, allocations: 0.6065 MB / 1.211 GB, free: 2.531 MB / 0.7917 GB Notification: Performance of NFConvertDAE.convert: time 0.002868/0.9899, allocations: 1.774 MB / 1.213 GB, free: 2.113 MB / 0.7917 GB Notification: Performance of FrontEnd - DAE generated: time 1.016e-05/0.9899, allocations: 3.516 kB / 1.213 GB, free: 2.113 MB / 0.7917 GB Notification: Performance of FrontEnd: time 2.675e-06/0.9899, allocations: 4 kB / 1.213 GB, free: 2.109 MB / 0.7917 GB Notification: Performance of Transformations before backend: time 2.325e-05/0.9899, allocations: 0 / 1.213 GB, free: 2.109 MB / 0.7917 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 253 * Number of variables: 253 Notification: Performance of Generate backend data structure: time 0.003143/0.9931, allocations: 1.567 MB / 1.214 GB, free: 1.07 MB / 0.7917 GB Notification: Performance of prepare preOptimizeDAE: time 4.198e-05/0.9931, allocations: 9.156 kB / 1.214 GB, free: 1.07 MB / 0.7917 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.002167/0.9953, allocations: 370.8 kB / 1.215 GB, free: 0.9688 MB / 0.7917 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001723/0.997, allocations: 0.9095 MB / 1.216 GB, free: 424 kB / 0.7917 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 6.843e-05/0.9971, allocations: 82.28 kB / 1.216 GB, free: 384 kB / 0.7917 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000156/0.9973, allocations: 105.2 kB / 1.216 GB, free: 348 kB / 0.7917 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001957/0.9993, allocations: 1.092 MB / 1.217 GB, free: 15.81 MB / 0.8073 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.771e-05/0.9993, allocations: 4.594 kB / 1.217 GB, free: 15.81 MB / 0.8073 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 8.841e-05/0.9994, allocations: 43.48 kB / 1.217 GB, free: 15.78 MB / 0.8073 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 5.294e-05/0.9995, allocations: 36.27 kB / 1.217 GB, free: 15.77 MB / 0.8073 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001504/1.001, allocations: 0.7995 MB / 1.218 GB, free: 15.49 MB / 0.8073 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 0.007235/1.008, allocations: 5.076 MB / 1.223 GB, free: 11.69 MB / 0.8073 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001381/1.01, allocations: 0.7106 MB / 1.223 GB, free: 11.38 MB / 0.8073 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005876/1.01, allocations: 349.3 kB / 1.224 GB, free: 11.25 MB / 0.8073 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0006547/1.011, allocations: 325.3 kB / 1.224 GB, free: 10.96 MB / 0.8073 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 4.27e-05/1.011, allocations: 43.12 kB / 1.224 GB, free: 10.92 MB / 0.8073 GB Notification: Performance of pre-optimization done (n=70): time 4.038e-06/1.011, allocations: 0.9375 kB / 1.224 GB, free: 10.92 MB / 0.8073 GB Notification: Performance of matching and sorting (n=70): time 0.002067/1.013, allocations: 0.9376 MB / 1.225 GB, free: 10.55 MB / 0.8073 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.186e-05/1.013, allocations: 59.92 kB / 1.225 GB, free: 10.48 MB / 0.8073 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001186/1.014, allocations: 0.8626 MB / 1.226 GB, free: 10.13 MB / 0.8073 GB Notification: Performance of collectPreVariables (initialization): time 6.927e-05/1.014, allocations: 38.23 kB / 1.226 GB, free: 10.09 MB / 0.8073 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005272/1.015, allocations: 0.5558 MB / 1.227 GB, free: 9.648 MB / 0.8073 GB Notification: Performance of collectInitialBindings (initialization): time 0.0002507/1.015, allocations: 251.2 kB / 1.227 GB, free: 9.449 MB / 0.8073 GB Notification: Performance of simplifyInitialFunctions (initialization): time 3.813e-05/1.015, allocations: 14.62 kB / 1.227 GB, free: 9.438 MB / 0.8073 GB Notification: Performance of setup shared object (initialization): time 0.0001491/1.015, allocations: 335.1 kB / 1.227 GB, free: 9.121 MB / 0.8073 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005187/1.016, allocations: 245.6 kB / 1.227 GB, free: 9.035 MB / 0.8073 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.000634/1.017, allocations: 443.9 kB / 1.228 GB, free: 8.73 MB / 0.8073 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001117/1.018, allocations: 0.7031 MB / 1.228 GB, free: 8.297 MB / 0.8073 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.789e-06/1.018, allocations: 1.438 kB / 1.228 GB, free: 8.297 MB / 0.8073 GB Notification: Performance of matching and sorting (n=94) (initialization): time 0.001529/1.019, allocations: 0.824 MB / 1.229 GB, free: 7.945 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 0.0001567/1.019, allocations: 232.1 kB / 1.229 GB, free: 7.664 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.088e-05/1.019, allocations: 5.156 kB / 1.23 GB, free: 7.664 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.299e-05/1.019, allocations: 10.16 kB / 1.23 GB, free: 7.664 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001537/1.021, allocations: 250.3 kB / 1.23 GB, free: 7.645 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001382/1.022, allocations: 1.405 MB / 1.231 GB, free: 6.23 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009752/1.023, allocations: 113.1 kB / 1.231 GB, free: 6.176 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.439e-05/1.023, allocations: 29.12 kB / 1.231 GB, free: 6.172 MB / 0.8073 GB Notification: Performance of prepare postOptimizeDAE: time 7.243e-06/1.023, allocations: 4.25 kB / 1.231 GB, free: 6.172 MB / 0.8073 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001218/1.025, allocations: 0.7052 MB / 1.232 GB, free: 5.711 MB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.162e-06/1.025, allocations: 4.656 kB / 1.232 GB, free: 5.707 MB / 0.8073 GB Notification: Performance of postOpt tearingSystem (initialization): time 9.949e-06/1.025, allocations: 8.984 kB / 1.232 GB, free: 5.699 MB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001395/1.026, allocations: 257 kB / 1.232 GB, free: 5.488 MB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001211/1.027, allocations: 1.396 MB / 1.234 GB, free: 3.992 MB / 0.8073 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009121/1.028, allocations: 107.4 kB / 1.234 GB, free: 3.898 MB / 0.8073 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.295e-05/1.028, allocations: 30.77 kB / 1.234 GB, free: 3.871 MB / 0.8073 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 21 * Number of states: 0 () * Number of discrete variables: 4 (PI1.I.trigger_internal,PI.I.trigger_internal,QLat.local_reset,QSen.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (94): * Single equations (assignments): 93 * 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: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 1 {1} * Without analytic Jacobian: 0 Notification: Performance of prepare postOptimizeDAE: time 0.0005883/1.029, allocations: 370.4 kB / 1.234 GB, free: 3.512 MB / 0.8073 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001574/1.029, allocations: 110.6 kB / 1.234 GB, free: 3.402 MB / 0.8073 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001598/1.031, allocations: 0.7883 MB / 1.235 GB, free: 2.719 MB / 0.8073 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.784e-06/1.031, allocations: 12 kB / 1.235 GB, free: 2.707 MB / 0.8073 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.244e-06/1.031, allocations: 0 / 1.235 GB, free: 2.707 MB / 0.8073 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001247/1.032, allocations: 0.7016 MB / 1.236 GB, free: 2.039 MB / 0.8073 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.003288/1.035, allocations: 1.929 MB / 1.238 GB, free: 396 kB / 0.8073 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.981e-06/1.035, allocations: 4 kB / 1.238 GB, free: 392 kB / 0.8073 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0006915/1.036, allocations: 143.2 kB / 1.238 GB, free: 268 kB / 0.8073 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0004075/1.036, allocations: 43.88 kB / 1.238 GB, free: 232 kB / 0.8073 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.207e-05/1.036, allocations: 21.53 kB / 1.238 GB, free: 212 kB / 0.8073 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001198/1.038, allocations: 1.354 MB / 1.239 GB, free: 14.75 MB / 0.823 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 3.316e-06/1.038, allocations: 4 kB / 1.239 GB, free: 14.75 MB / 0.823 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002056/1.04, allocations: 1.251 MB / 1.24 GB, free: 13.57 MB / 0.823 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004396/1.04, allocations: 247.9 kB / 1.24 GB, free: 13.34 MB / 0.823 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000115/1.04, allocations: 17.36 kB / 1.241 GB, free: 13.32 MB / 0.823 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0006175/1.041, allocations: 66.27 kB / 1.241 GB, free: 13.27 MB / 0.823 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001003/1.041, allocations: 44.53 kB / 1.241 GB, free: 13.24 MB / 0.823 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.682e-05/1.041, allocations: 26.05 kB / 1.241 GB, free: 13.22 MB / 0.823 GB Notification: Performance of sorting global known variables: time 0.0007719/1.042, allocations: 0.587 MB / 1.241 GB, free: 12.71 MB / 0.823 GB Notification: Performance of sort global known variables: time 3e-07/1.042, allocations: 0 / 1.241 GB, free: 12.71 MB / 0.823 GB Notification: Performance of remove unused functions: time 0.00142/1.043, allocations: 0.5314 MB / 1.242 GB, free: 12.18 MB / 0.823 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 7 (vol1.dynBal.U,vol1.dynBal.m,vol1.dynBal.mXi[1],QSen.y,QLat.y,PI.I.y,PI1.I.y) * 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 (70): * Single equations (assignments): 69 * 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 1} Notification: Performance of Backend phase and start with SimCode phase: time 0.0005084/1.044, allocations: 228.3 kB / 1.242 GB, free: 11.98 MB / 0.823 GB Notification: Performance of simCode: created initialization part: time 0.003553/1.047, allocations: 1.184 MB / 1.243 GB, free: 10.96 MB / 0.823 GB Notification: Performance of simCode: created event and clocks part: time 5.09e-06/1.047, allocations: 4 kB / 1.243 GB, free: 10.95 MB / 0.823 GB Notification: Performance of simCode: created simulation system equations: time 0.0007924/1.048, allocations: 445 kB / 1.244 GB, free: 10.55 MB / 0.823 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002672/1.051, allocations: 0.4975 MB / 1.244 GB, free: 10.2 MB / 0.823 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.004146/1.055, allocations: 2.667 MB / 1.247 GB, free: 7.754 MB / 0.823 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007735/1.056, allocations: 1.144 MB / 1.248 GB, free: 6.738 MB / 0.823 GB Notification: Performance of simCode: alias equations: time 0.001139/1.057, allocations: 275.8 kB / 1.248 GB, free: 6.551 MB / 0.823 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002071/1.057, allocations: 78.11 kB / 1.248 GB, free: 6.477 MB / 0.823 GB Notification: Performance of SimCode: time 7.71e-07/1.057, allocations: 0 / 1.248 GB, free: 6.477 MB / 0.823 GB Notification: Performance of Templates: time 0.02896/1.086, allocations: 16.7 MB / 1.264 GB, free: 7.25 MB / 0.8386 GB make -j1 -f Buildings_maint.8.0.x_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.makefile (rm -f Buildings_maint.8.0.x_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.pipe ; mkfifo Buildings_maint.8.0.x_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.pipe ; head -c 1048576 < Buildings_maint.8.0.x_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.pipe >> ../files/Buildings_maint.8.0.x_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.sim & ./Buildings_maint.8.0.x_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_maint.8.0.x_Buildings.Fluid.MixingVolumes.Examples.MixingVolumeMoistAir.pipe 2>&1)