Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume.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/BuildSysPro 3.6.0-master/package.mo", uses=false) Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-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: translateModel(BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume") translateModel(BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00103/0.001031, allocations: 97.64 kB / 15.36 MB, free: 0.7344 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00778/0.00778, allocations: 170.1 kB / 16.27 MB, free: 6.652 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.344/1.344, allocations: 223.3 MB / 240.3 MB, free: 5.348 MB / 190.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/Building/BuildingEnvelope/HeatTransfer/package.mo:2:1-40:17:writable] Warning: Soil_case_nappe was referenced in the package.order file, but was not found in package.mo, Soil_case_nappe/package.mo or Soil_case_nappe.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/package.mo): time 1.008/1.008, allocations: 143.4 MB / 434.8 MB, free: 13.7 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0003111/0.0003111, allocations: 12 kB / 0.5166 GB, free: 10.96 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1451/0.1454, allocations: 83.41 MB / 0.5981 GB, free: 7.488 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume): time 0.4207/0.5662, allocations: 163 MB / 0.7573 GB, free: 8.488 MB / 0.5762 GB Notification: Performance of NFInst.instExpressions: time 0.01276/0.579, allocations: 8.837 MB / 0.7659 GB, free: 15.63 MB / 0.5919 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001528/0.5806, allocations: 39.75 kB / 0.7659 GB, free: 15.59 MB / 0.5919 GB Notification: Performance of NFTyping.typeComponents: time 0.00158/0.5822, allocations: 0.5556 MB / 0.7665 GB, free: 15.04 MB / 0.5919 GB Notification: Performance of NFTyping.typeBindings: time 0.003636/0.5858, allocations: 1.381 MB / 0.7678 GB, free: 13.65 MB / 0.5919 GB Notification: Performance of NFTyping.typeClassSections: time 0.002815/0.5886, allocations: 1.07 MB / 0.7689 GB, free: 12.59 MB / 0.5919 GB Notification: Performance of NFFlatten.flatten: time 0.003913/0.5926, allocations: 3.653 MB / 0.7724 GB, free: 8.934 MB / 0.5919 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001185/0.5938, allocations: 0.8168 MB / 0.7732 GB, free: 8.102 MB / 0.5919 GB Notification: Performance of NFEvalConstants.evaluate: time 0.00141/0.5952, allocations: 0.8711 MB / 0.7741 GB, free: 7.227 MB / 0.5919 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001184/0.5964, allocations: 0.9724 MB / 0.775 GB, free: 6.25 MB / 0.5919 GB Notification: Performance of NFPackage.collectConstants: time 0.0001019/0.5965, allocations: 44 kB / 0.7751 GB, free: 6.207 MB / 0.5919 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002123/0.5986, allocations: 1.006 MB / 0.776 GB, free: 5.199 MB / 0.5919 GB Notification: Performance of NFScalarize.scalarize: time 0.0002392/0.5989, allocations: 223 kB / 0.7763 GB, free: 4.98 MB / 0.5919 GB Notification: Performance of NFVerifyModel.verify: time 0.0005595/0.5994, allocations: 0.5727 MB / 0.7768 GB, free: 4.398 MB / 0.5919 GB Notification: Performance of NFConvertDAE.convert: time 0.001949/0.6014, allocations: 1.701 MB / 0.7785 GB, free: 2.691 MB / 0.5919 GB Notification: Performance of FrontEnd - DAE generated: time 3.566e-06/0.6014, allocations: 0 / 0.7785 GB, free: 2.691 MB / 0.5919 GB Notification: Performance of FrontEnd: time 1.734e-06/0.6014, allocations: 0 / 0.7785 GB, free: 2.691 MB / 0.5919 GB Notification: Performance of Transformations before backend: time 1.148e-05/0.6014, allocations: 0 / 0.7785 GB, free: 2.691 MB / 0.5919 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 195 * Number of variables: 195 Notification: Performance of Generate backend data structure: time 0.002309/0.6038, allocations: 1.365 MB / 0.7798 GB, free: 1.277 MB / 0.5919 GB Notification: Performance of prepare preOptimizeDAE: time 3.8e-05/0.6038, allocations: 11.97 kB / 0.7798 GB, free: 1.266 MB / 0.5919 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0002619/0.6041, allocations: 139.3 kB / 0.78 GB, free: 1.129 MB / 0.5919 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001313/0.6054, allocations: 0.864 MB / 0.7808 GB, free: 228 kB / 0.5919 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 5.965e-05/0.6055, allocations: 66.62 kB / 0.7809 GB, free: 160 kB / 0.5919 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001217/0.6056, allocations: 76 kB / 0.7809 GB, free: 84 kB / 0.5919 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001445/0.607, allocations: 0.8694 MB / 0.7818 GB, free: 15.16 MB / 0.6075 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.657e-05/0.6071, allocations: 3.938 kB / 0.7818 GB, free: 15.16 MB / 0.6075 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.591e-05/0.6072, allocations: 36 kB / 0.7818 GB, free: 15.12 MB / 0.6075 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.769e-05/0.6072, allocations: 24 kB / 0.7818 GB, free: 15.1 MB / 0.6075 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001204/0.6084, allocations: 0.6324 MB / 0.7825 GB, free: 14.47 MB / 0.6075 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 0.004515/0.6129, allocations: 3.977 MB / 0.7864 GB, free: 10.23 MB / 0.6075 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001131/0.6141, allocations: 0.5766 MB / 0.7869 GB, free: 9.652 MB / 0.6075 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0004847/0.6146, allocations: 297.7 kB / 0.7872 GB, free: 9.363 MB / 0.6075 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0009359/0.6155, allocations: 1.247 MB / 0.7884 GB, free: 7.84 MB / 0.6075 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.000627/0.6161, allocations: 335.9 kB / 0.7887 GB, free: 7.504 MB / 0.6075 GB Notification: Performance of pre-optimization done (n=63): time 3.136e-06/0.6162, allocations: 0 / 0.7887 GB, free: 7.504 MB / 0.6075 GB Notification: Performance of matching and sorting (n=63): time 0.00237/0.6185, allocations: 1.15 MB / 0.7899 GB, free: 6.301 MB / 0.6075 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.712e-05/0.6186, allocations: 89.61 kB / 0.7899 GB, free: 6.195 MB / 0.6075 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001011/0.6196, allocations: 0.8689 MB / 0.7908 GB, free: 5.301 MB / 0.6075 GB Notification: Performance of collectPreVariables (initialization): time 5.451e-05/0.6197, allocations: 37.7 kB / 0.7908 GB, free: 5.258 MB / 0.6075 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003311/0.62, allocations: 464.2 kB / 0.7913 GB, free: 4.801 MB / 0.6075 GB Notification: Performance of collectInitialBindings (initialization): time 0.000174/0.6202, allocations: 216.8 kB / 0.7915 GB, free: 4.586 MB / 0.6075 GB Notification: Performance of simplifyInitialFunctions (initialization): time 7.939e-05/0.6203, allocations: 57.69 kB / 0.7915 GB, free: 4.523 MB / 0.6075 GB Notification: Performance of setup shared object (initialization): time 0.0001127/0.6204, allocations: 330 kB / 0.7918 GB, free: 4.195 MB / 0.6075 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004067/0.6208, allocations: 217.2 kB / 0.7921 GB, free: 3.984 MB / 0.6075 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004655/0.6213, allocations: 312.4 kB / 0.7924 GB, free: 3.645 MB / 0.6075 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0008716/0.6222, allocations: 0.5387 MB / 0.7929 GB, free: 3.078 MB / 0.6075 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.016e-06/0.6222, allocations: 0 / 0.7929 GB, free: 3.078 MB / 0.6075 GB Notification: Performance of matching and sorting (n=75) (initialization): time 0.001212/0.6234, allocations: 0.7249 MB / 0.7936 GB, free: 2.34 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 8.484e-05/0.6235, allocations: 151.3 kB / 0.7937 GB, free: 2.16 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.226e-06/0.6235, allocations: 4 kB / 0.7937 GB, free: 2.156 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005309/0.6241, allocations: 112.7 kB / 0.7938 GB, free: 2.043 MB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004499/0.6245, allocations: 115.9 kB / 0.794 GB, free: 1.93 MB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005282/0.6251, allocations: 0.6732 MB / 0.7946 GB, free: 1.23 MB / 0.6075 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005913/0.6257, allocations: 96.39 kB / 0.7947 GB, free: 1.137 MB / 0.6075 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.665e-05/0.6257, allocations: 28 kB / 0.7947 GB, free: 1.109 MB / 0.6075 GB Notification: Performance of prepare postOptimizeDAE: time 9.588e-06/0.6258, allocations: 4 kB / 0.7947 GB, free: 1.105 MB / 0.6075 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001009/0.6268, allocations: 0.5683 MB / 0.7953 GB, free: 0.5312 MB / 0.6075 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.1e-06/0.6268, allocations: 4 kB / 0.7953 GB, free: 0.5273 MB / 0.6075 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004304/0.6272, allocations: 109 kB / 0.7954 GB, free: 428 kB / 0.6075 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004056/0.6276, allocations: 115.8 kB / 0.7955 GB, free: 312 kB / 0.6075 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005207/0.6282, allocations: 0.6655 MB / 0.7962 GB, free: 15.61 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005475/0.6287, allocations: 83.41 kB / 0.7962 GB, free: 15.53 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.223e-05/0.6288, allocations: 30.48 kB / 0.7963 GB, free: 15.5 MB / 0.6231 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 10 * Number of states: 0 () * Number of discrete variables: 5 ($PRE.mRoo_flow.nextTimeEvent,$whenCondition1,mRoo_flow.nextTimeEventScaled,$PRE.mRoo_flow.nextTimeEventScaled,mRoo_flow.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (67): * Single equations (assignments): 66 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 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): 1 system {(2,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0004791/0.6293, allocations: 333.5 kB / 0.7966 GB, free: 15.16 MB / 0.6231 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001396/0.6294, allocations: 98.78 kB / 0.7967 GB, free: 15.07 MB / 0.6231 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00187/0.6313, allocations: 0.9546 MB / 0.7976 GB, free: 14.11 MB / 0.6231 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.54e-05/0.6313, allocations: 11.94 kB / 0.7976 GB, free: 14.09 MB / 0.6231 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.256e-06/0.6314, allocations: 7.984 kB / 0.7976 GB, free: 14.09 MB / 0.6231 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001337/0.6327, allocations: 0.8582 MB / 0.7985 GB, free: 13.17 MB / 0.6231 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002706/0.6354, allocations: 1.861 MB / 0.8003 GB, free: 11.25 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.992e-06/0.6354, allocations: 0 / 0.8003 GB, free: 11.25 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0004264/0.6359, allocations: 99.89 kB / 0.8004 GB, free: 11.15 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0006287/0.6365, allocations: 165.6 kB / 0.8005 GB, free: 10.98 MB / 0.6231 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 4.327e-05/0.6366, allocations: 15.98 kB / 0.8006 GB, free: 10.96 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0008298/0.6374, allocations: 1.253 MB / 0.8018 GB, free: 9.66 MB / 0.6231 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.493e-06/0.6374, allocations: 0 / 0.8018 GB, free: 9.66 MB / 0.6231 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002062/0.6395, allocations: 1.297 MB / 0.803 GB, free: 8.336 MB / 0.6231 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003602/0.6399, allocations: 267.6 kB / 0.8033 GB, free: 8.055 MB / 0.6231 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001129/0.64, allocations: 23.98 kB / 0.8033 GB, free: 8.031 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005576/0.6405, allocations: 55.86 kB / 0.8034 GB, free: 7.977 MB / 0.6231 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001061/0.6407, allocations: 52.53 kB / 0.8034 GB, free: 7.926 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.632e-05/0.6407, allocations: 32.8 kB / 0.8035 GB, free: 7.895 MB / 0.6231 GB Notification: Performance of sorting global known variables: time 0.0007243/0.6415, allocations: 0.6013 MB / 0.804 GB, free: 7.281 MB / 0.6231 GB Notification: Performance of sort global known variables: time 2.1e-07/0.6415, allocations: 0 / 0.804 GB, free: 7.281 MB / 0.6231 GB Notification: Performance of remove unused functions: time 0.001294/0.6428, allocations: 0.5573 MB / 0.8046 GB, free: 6.723 MB / 0.6231 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 5 (roo.dynBal.U,roo.dynBal.m,oriChiTop.mExc,oriBot.mExc,oriChiBot.mExc) * Number of discrete variables: 3 ($whenCondition1,mRoo_flow.nextTimeEvent,mRoo_flow.nextTimeEventScaled) * Number of discrete states: 2 (mRoo_flow.nextTimeEvent,mRoo_flow.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (62): * Single equations (assignments): 54 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 4 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 2 * Mixed (continuous/discrete) equation systems: 0 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 {(2,9), (1,2)} Notification: Performance of Backend phase and start with SimCode phase: time 0.001501/0.6443, allocations: 0.7125 MB / 0.8053 GB, free: 6.191 MB / 0.6231 GB Notification: Performance of simCode: created initialization part: time 0.001807/0.6461, allocations: 0.9259 MB / 0.8062 GB, free: 5.27 MB / 0.6231 GB Notification: Performance of simCode: created event and clocks part: time 2.755e-06/0.6461, allocations: 4 kB / 0.8062 GB, free: 5.266 MB / 0.6231 GB Notification: Performance of simCode: created simulation system equations: time 0.0007395/0.6469, allocations: 396.4 kB / 0.8066 GB, free: 4.879 MB / 0.6231 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002184/0.649, allocations: 426 kB / 0.807 GB, free: 4.465 MB / 0.6231 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.00338/0.6524, allocations: 2.597 MB / 0.8095 GB, free: 1.836 MB / 0.6231 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005622/0.653, allocations: 1.065 MB / 0.8106 GB, free: 0.7383 MB / 0.6231 GB Notification: Performance of simCode: alias equations: time 0.0007606/0.6538, allocations: 221.9 kB / 0.8108 GB, free: 0.5234 MB / 0.6231 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001925/0.654, allocations: 87.41 kB / 0.8108 GB, free: 448 kB / 0.6231 GB Notification: Performance of SimCode: time 4.31e-07/0.654, allocations: 0 / 0.8108 GB, free: 448 kB / 0.6231 GB Notification: Performance of Templates: time 0.03239/0.6864, allocations: 20.18 MB / 0.8306 GB, free: 12.54 MB / 0.6544 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume.sim & ./BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Airflow.Multizone.Examples.ChimneyShaftNoVolume.pipe 2>&1)