Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.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/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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.Fluid.Humidifiers.Validation.SteamHumidifier_X,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X") translateModel(BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0015/0.0015, allocations: 100.1 kB / 15.88 MB, free: 12 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001842/0.001842, allocations: 198.1 kB / 16.79 MB, free: 6.809 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.343/1.343, allocations: 222.9 MB / 240.5 MB, free: 4.582 MB / 190.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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/package.mo): time 1.036/1.036, allocations: 143 MB / 433.7 MB, free: 11.7 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002272/0.002272, allocations: 63.91 kB / 0.5141 GB, free: 12.16 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.199/0.2013, allocations: 82.03 MB / 0.5942 GB, free: 10.09 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X): time 0.5502/0.7516, allocations: 196.8 MB / 0.7865 GB, free: 8.93 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.006727/0.7584, allocations: 3.794 MB / 0.7902 GB, free: 5.125 MB / 0.6075 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008084/0.7592, allocations: 23.88 kB / 0.7902 GB, free: 5.102 MB / 0.6075 GB Notification: Performance of NFTyping.typeComponents: time 0.00124/0.7605, allocations: 374.2 kB / 0.7906 GB, free: 4.734 MB / 0.6075 GB Notification: Performance of NFTyping.typeBindings: time 0.003148/0.7637, allocations: 1.165 MB / 0.7917 GB, free: 3.566 MB / 0.6075 GB Notification: Performance of NFTyping.typeClassSections: time 0.001911/0.7656, allocations: 0.6627 MB / 0.7924 GB, free: 2.91 MB / 0.6075 GB Notification: Performance of NFFlatten.flatten: time 0.002205/0.7678, allocations: 1.832 MB / 0.7941 GB, free: 1.074 MB / 0.6075 GB Notification: Performance of NFFlatten.resolveConnections: time 0.000749/0.7686, allocations: 435.4 kB / 0.7946 GB, free: 0.6523 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002849/0.7714, allocations: 0.8973 MB / 0.7954 GB, free: 15.75 MB / 0.6231 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008049/0.7723, allocations: 470.1 kB / 0.7959 GB, free: 15.29 MB / 0.6231 GB Notification: Performance of NFPackage.collectConstants: time 8.102e-05/0.7724, allocations: 28 kB / 0.7959 GB, free: 15.27 MB / 0.6231 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002387/0.7748, allocations: 1.325 MB / 0.7972 GB, free: 13.94 MB / 0.6231 GB Notification: Performance of NFScalarize.scalarize: time 0.0002245/0.775, allocations: 187.4 kB / 0.7974 GB, free: 13.75 MB / 0.6231 GB Notification: Performance of NFVerifyModel.verify: time 0.0003869/0.7754, allocations: 298.3 kB / 0.7977 GB, free: 13.46 MB / 0.6231 GB Notification: Performance of NFConvertDAE.convert: time 0.001281/0.7767, allocations: 0.8887 MB / 0.7985 GB, free: 12.57 MB / 0.6231 GB Notification: Performance of FrontEnd - DAE generated: time 5.41e-06/0.7767, allocations: 3.938 kB / 0.7985 GB, free: 12.57 MB / 0.6231 GB Notification: Performance of FrontEnd: time 3.917e-06/0.7767, allocations: 4 kB / 0.7985 GB, free: 12.56 MB / 0.6231 GB Notification: Performance of Transformations before backend: time 9.077e-06/0.7767, allocations: 7.938 kB / 0.7985 GB, free: 12.55 MB / 0.6231 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 98 * Number of variables: 98 Notification: Performance of Generate backend data structure: time 0.002186/0.7789, allocations: 1.04 MB / 0.7996 GB, free: 11.47 MB / 0.6231 GB Notification: Performance of prepare preOptimizeDAE: time 4.48e-05/0.779, allocations: 8.031 kB / 0.7996 GB, free: 11.46 MB / 0.6231 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001354/0.7803, allocations: 215 kB / 0.7998 GB, free: 11.25 MB / 0.6231 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0007898/0.7811, allocations: 0.5342 MB / 0.8003 GB, free: 10.68 MB / 0.6231 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.757e-05/0.7812, allocations: 32.94 kB / 0.8003 GB, free: 10.64 MB / 0.6231 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.013e-05/0.7813, allocations: 40 kB / 0.8004 GB, free: 10.61 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001113/0.7824, allocations: 0.5426 MB / 0.8009 GB, free: 10.04 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 1.476e-05/0.7824, allocations: 0 / 0.8009 GB, free: 10.04 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 5.135e-05/0.7825, allocations: 19.98 kB / 0.8009 GB, free: 10.02 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.194e-05/0.7825, allocations: 21 kB / 0.8009 GB, free: 10 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001264/0.7838, allocations: 0.5035 MB / 0.8014 GB, free: 9.496 MB / 0.6231 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 0.003417/0.7872, allocations: 2.231 MB / 0.8036 GB, free: 7.078 MB / 0.6231 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0007872/0.788, allocations: 349.1 kB / 0.8039 GB, free: 6.711 MB / 0.6231 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0002372/0.7882, allocations: 145.4 kB / 0.8041 GB, free: 6.566 MB / 0.6231 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001406/0.7897, allocations: 0.8338 MB / 0.8049 GB, free: 5.566 MB / 0.6231 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0003481/0.79, allocations: 192.9 kB / 0.8051 GB, free: 5.359 MB / 0.6231 GB Notification: Performance of pre-optimization done (n=26): time 2.565e-06/0.79, allocations: 0 / 0.8051 GB, free: 5.359 MB / 0.6231 GB Notification: Performance of matching and sorting (n=26): time 0.001098/0.7911, allocations: 443.6 kB / 0.8055 GB, free: 4.922 MB / 0.6231 GB Notification: Performance of inlineWhenForInitialization (initialization): time 5.6e-05/0.7912, allocations: 81.11 kB / 0.8056 GB, free: 4.824 MB / 0.6231 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0008873/0.7921, allocations: 0.6563 MB / 0.8062 GB, free: 4.16 MB / 0.6231 GB Notification: Performance of collectPreVariables (initialization): time 3.236e-05/0.7921, allocations: 33.7 kB / 0.8062 GB, free: 4.121 MB / 0.6231 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002689/0.7924, allocations: 319.8 kB / 0.8066 GB, free: 3.805 MB / 0.6231 GB Notification: Performance of collectInitialBindings (initialization): time 7.641e-05/0.7925, allocations: 90.73 kB / 0.8066 GB, free: 3.715 MB / 0.6231 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001386/0.7926, allocations: 77.59 kB / 0.8067 GB, free: 3.633 MB / 0.6231 GB Notification: Performance of setup shared object (initialization): time 0.0001541/0.7928, allocations: 370.8 kB / 0.8071 GB, free: 3.262 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003568/0.7932, allocations: 136.8 kB / 0.8072 GB, free: 3.125 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004634/0.7936, allocations: 273 kB / 0.8075 GB, free: 2.797 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006345/0.7943, allocations: 391 kB / 0.8078 GB, free: 2.359 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.68e-06/0.7943, allocations: 4 kB / 0.8078 GB, free: 2.355 MB / 0.6231 GB Notification: Performance of matching and sorting (n=43) (initialization): time 0.0009887/0.7953, allocations: 471.9 kB / 0.8083 GB, free: 1.891 MB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 2.84e-05/0.7953, allocations: 9.094 kB / 0.8083 GB, free: 1.883 MB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.679e-06/0.7954, allocations: 8.031 kB / 0.8083 GB, free: 1.875 MB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.922e-05/0.7954, allocations: 4 kB / 0.8083 GB, free: 1.871 MB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004215/0.7958, allocations: 89.05 kB / 0.8084 GB, free: 1.785 MB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.369e-05/0.7958, allocations: 11.92 kB / 0.8084 GB, free: 1.773 MB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006614/0.7965, allocations: 83.48 kB / 0.8085 GB, free: 1.691 MB / 0.6231 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.19e-05/0.7965, allocations: 20 kB / 0.8085 GB, free: 1.672 MB / 0.6231 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0005179/0.7971, allocations: 293.1 kB / 0.8088 GB, free: 1.383 MB / 0.6231 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0004417/0.7975, allocations: 290.3 kB / 0.8091 GB, free: 1.039 MB / 0.6231 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0005984/0.7981, allocations: 391.1 kB / 0.8094 GB, free: 0.6016 MB / 0.6231 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.124e-06/0.7981, allocations: 0 / 0.8094 GB, free: 0.6016 MB / 0.6231 GB Notification: Performance of matching and sorting (n=43) (initialization_lambda0): time 0.0009392/0.7991, allocations: 478.5 kB / 0.8099 GB, free: 132 kB / 0.6231 GB Notification: Performance of prepare postOptimizeDAE: time 1.385e-05/0.7991, allocations: 4 kB / 0.8099 GB, free: 128 kB / 0.6231 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.31e-06/0.7991, allocations: 7.938 kB / 0.8099 GB, free: 120 kB / 0.6231 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.004e-05/0.7991, allocations: 9.375 kB / 0.8099 GB, free: 112 kB / 0.6231 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003824/0.7995, allocations: 83.89 kB / 0.81 GB, free: 28 kB / 0.6231 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 8.897e-06/0.7995, allocations: 8 kB / 0.81 GB, free: 20 kB / 0.6231 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006283/0.8002, allocations: 67.91 kB / 0.8101 GB, free: 15.95 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.593e-05/0.8002, allocations: 23.94 kB / 0.8101 GB, free: 15.93 MB / 0.6387 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 18 * Number of states: 0 () * Number of discrete variables: 5 ($PRE.XSet.nextTimeEvent,$whenCondition1,XSet.nextTimeEventScaled,$PRE.XSet.nextTimeEventScaled,XSet.nextTimeEvent) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (43): * Single equations (assignments): 43 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.000176/0.8004, allocations: 213.5 kB / 0.8103 GB, free: 15.71 MB / 0.6387 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 8.742e-05/0.8005, allocations: 59.25 kB / 0.8103 GB, free: 15.66 MB / 0.6387 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0006001/0.8011, allocations: 320.8 kB / 0.8106 GB, free: 15.32 MB / 0.6387 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 5.981e-06/0.8011, allocations: 7.938 kB / 0.8107 GB, free: 15.32 MB / 0.6387 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.722e-06/0.8011, allocations: 0 / 0.8107 GB, free: 15.32 MB / 0.6387 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.877e-06/0.8012, allocations: 0 / 0.8107 GB, free: 15.32 MB / 0.6387 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0015/0.8027, allocations: 1.099 MB / 0.8117 GB, free: 14.13 MB / 0.6387 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 6.102e-06/0.8027, allocations: 4 kB / 0.8117 GB, free: 14.12 MB / 0.6387 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0001864/0.8029, allocations: 39.92 kB / 0.8118 GB, free: 14.09 MB / 0.6387 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.102e-06/0.8029, allocations: 4 kB / 0.8118 GB, free: 14.08 MB / 0.6387 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.294e-05/0.8029, allocations: 8 kB / 0.8118 GB, free: 14.07 MB / 0.6387 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 4.879e-06/0.8029, allocations: 4 kB / 0.8118 GB, free: 14.07 MB / 0.6387 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.33e-06/0.8029, allocations: 7.922 kB / 0.8118 GB, free: 14.06 MB / 0.6387 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0005722/0.8035, allocations: 479.7 kB / 0.8123 GB, free: 13.55 MB / 0.6387 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0001794/0.8037, allocations: 152.4 kB / 0.8124 GB, free: 13.38 MB / 0.6387 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.88e-05/0.8038, allocations: 15.94 kB / 0.8124 GB, free: 13.37 MB / 0.6387 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003628/0.8042, allocations: 35.88 kB / 0.8124 GB, free: 13.33 MB / 0.6387 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 6.358e-05/0.8042, allocations: 19.92 kB / 0.8125 GB, free: 13.31 MB / 0.6387 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.23e-05/0.8043, allocations: 8 kB / 0.8125 GB, free: 13.3 MB / 0.6387 GB Notification: Performance of sorting global known variables: time 0.0006652/0.8049, allocations: 483 kB / 0.8129 GB, free: 12.84 MB / 0.6387 GB Notification: Performance of sort global known variables: time 2.5e-07/0.8049, allocations: 0 / 0.8129 GB, free: 12.84 MB / 0.6387 GB Notification: Performance of remove unused functions: time 0.0009625/0.8059, allocations: 267.6 kB / 0.8132 GB, free: 12.57 MB / 0.6387 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 11 * Number of states: 0 () * Number of discrete variables: 3 ($whenCondition1,XSet.nextTimeEvent,XSet.nextTimeEventScaled) * Number of discrete states: 2 (XSet.nextTimeEvent,XSet.nextTimeEventScaled) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (25): * Single equations (assignments): 23 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.001402/0.8073, allocations: 0.5101 MB / 0.8137 GB, free: 12.25 MB / 0.6387 GB Notification: Performance of simCode: created initialization part: time 0.001242/0.8086, allocations: 499.4 kB / 0.8142 GB, free: 11.77 MB / 0.6387 GB Notification: Performance of simCode: created event and clocks part: time 2.935e-06/0.8086, allocations: 0.5 kB / 0.8142 GB, free: 11.77 MB / 0.6387 GB Notification: Performance of simCode: created simulation system equations: time 0.0002213/0.8088, allocations: 131.8 kB / 0.8143 GB, free: 11.64 MB / 0.6387 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001323/0.8101, allocations: 274.2 kB / 0.8146 GB, free: 11.38 MB / 0.6387 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002064/0.8122, allocations: 1.259 MB / 0.8158 GB, free: 10.06 MB / 0.6387 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0004943/0.8127, allocations: 0.8902 MB / 0.8167 GB, free: 9.145 MB / 0.6387 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000173/0.8129, allocations: 51.42 kB / 0.8167 GB, free: 9.094 MB / 0.6387 GB Notification: Performance of SimCode: time 8.11e-07/0.8129, allocations: 4 kB / 0.8167 GB, free: 9.09 MB / 0.6387 GB Notification: Performance of Templates: time 0.01575/0.8287, allocations: 9.836 MB / 0.8263 GB, free: 15.36 MB / 0.6544 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.Humidifiers.Validation.SteamHumidifier_X.pipe 2>&1)