Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime.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 3.2.3+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false)
Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/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 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(Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime")
translateModel(Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001012/0.001012, allocations: 103.4 kB / 15.33 MB, free: 0.5078 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001161/0.001161, allocations: 193.5 kB / 16.26 MB, free: 6.621 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.588/1.588, allocations: 205.1 MB / 222.1 MB, free: 4.695 MB / 174.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.761/1.761, allocations: 292.2 MB / 0.5485 GB, free: 13.66 MB / 462.1 MB
Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed.
Notification: Performance of FrontEnd - loaded program: time 0.001405/0.001405, allocations: 67.44 kB / 0.671 GB, free: 26.22 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.281/0.2824, allocations: 114.5 MB / 0.7829 GB, free: 13.91 MB / 0.6075 GB
Notification: Performance of NFInst.instantiate(Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime): time 0.00514/0.2876, allocations: 2.511 MB / 0.7853 GB, free: 11.38 MB / 0.6075 GB
Notification: Performance of NFInst.instExpressions: time 0.002922/0.2906, allocations: 1.456 MB / 0.7868 GB, free: 9.914 MB / 0.6075 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.0002222/0.2908, allocations: 7.938 kB / 0.7868 GB, free: 9.906 MB / 0.6075 GB
Notification: Performance of NFTyping.typeComponents: time 0.000751/0.2916, allocations: 307.1 kB / 0.7871 GB, free: 9.605 MB / 0.6075 GB
Notification: Performance of NFTyping.typeBindings: time 0.0006409/0.2923, allocations: 303 kB / 0.7873 GB, free: 9.309 MB / 0.6075 GB
Notification: Performance of NFTyping.typeClassSections: time 0.0009972/0.2933, allocations: 365.2 kB / 0.7877 GB, free: 8.957 MB / 0.6075 GB
Notification: Performance of NFFlatten.flatten: time 0.0007788/0.2941, allocations: 0.7051 MB / 0.7884 GB, free: 8.25 MB / 0.6075 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.0001966/0.2943, allocations: 77.72 kB / 0.7885 GB, free: 8.172 MB / 0.6075 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.0003796/0.2947, allocations: 334.5 kB / 0.7888 GB, free: 7.844 MB / 0.6075 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.0003541/0.295, allocations: 334.6 kB / 0.7891 GB, free: 7.516 MB / 0.6075 GB
Notification: Performance of NFPackage.collectConstants: time 5.814e-05/0.2951, allocations: 32 kB / 0.7891 GB, free: 7.484 MB / 0.6075 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.0002321/0.2954, allocations: 87.95 kB / 0.7892 GB, free: 7.398 MB / 0.6075 GB
Notification: Performance of NFScalarize.scalarize: time 0.0001952/0.2956, allocations: 195.3 kB / 0.7894 GB, free: 7.207 MB / 0.6075 GB
Notification: Performance of NFVerifyModel.verify: time 0.0002463/0.2958, allocations: 270.2 kB / 0.7897 GB, free: 6.941 MB / 0.6075 GB
Notification: Performance of NFConvertDAE.convert: time 0.0007904/0.2966, allocations: 0.7319 MB / 0.7904 GB, free: 6.207 MB / 0.6075 GB
Notification: Performance of FrontEnd - DAE generated: time 4.638e-06/0.2966, allocations: 0 / 0.7904 GB, free: 6.207 MB / 0.6075 GB
Notification: Performance of FrontEnd: time 1.462e-06/0.2966, allocations: 0 / 0.7904 GB, free: 6.207 MB / 0.6075 GB
Notification: Performance of Transformations before backend: time 8.296e-06/0.2966, allocations: 0 / 0.7904 GB, free: 6.207 MB / 0.6075 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 25
 * Number of variables: 25
Notification: Performance of Generate backend data structure: time 0.001669/0.2983, allocations: 1.007 MB / 0.7914 GB, free: 5.148 MB / 0.6075 GB
Notification: Performance of prepare preOptimizeDAE: time 4.611e-05/0.2984, allocations: 8.031 kB / 0.7914 GB, free: 5.141 MB / 0.6075 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001426/0.2985, allocations: 76 kB / 0.7914 GB, free: 5.066 MB / 0.6075 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0009965/0.2995, allocations: 0.6288 MB / 0.792 GB, free: 4.395 MB / 0.6075 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.756e-05/0.2996, allocations: 8.375 kB / 0.7921 GB, free: 4.387 MB / 0.6075 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 4.628e-05/0.2996, allocations: 19.94 kB / 0.7921 GB, free: 4.367 MB / 0.6075 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0004317/0.3001, allocations: 201.7 kB / 0.7923 GB, free: 4.152 MB / 0.6075 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.151e-05/0.3001, allocations: 0 / 0.7923 GB, free: 4.152 MB / 0.6075 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.275e-05/0.3001, allocations: 8 kB / 0.7923 GB, free: 4.145 MB / 0.6075 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.312e-06/0.3001, allocations: 7.938 kB / 0.7923 GB, free: 4.137 MB / 0.6075 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0002488/0.3004, allocations: 95.88 kB / 0.7924 GB, free: 4.043 MB / 0.6075 GB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001379/0.3018, allocations: 1.052 MB / 0.7934 GB, free: 2.926 MB / 0.6075 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.0005888/0.3024, allocations: 288.9 kB / 0.7937 GB, free: 2.598 MB / 0.6075 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0002129/0.3026, allocations: 100.2 kB / 0.7938 GB, free: 2.484 MB / 0.6075 GB
Notification: Performance of preOpt evalFunc (simulation): time 4.69e-05/0.3026, allocations: 8 kB / 0.7938 GB, free: 2.477 MB / 0.6075 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0004235/0.3031, allocations: 227.4 kB / 0.794 GB, free: 2.227 MB / 0.6075 GB
Notification: Performance of pre-optimization done (n=25): time 1.854e-06/0.3031, allocations: 0 / 0.794 GB, free: 2.227 MB / 0.6075 GB
Notification: Performance of matching and sorting (n=25): time 0.0009678/0.3041, allocations: 420.4 kB / 0.7944 GB, free: 1.809 MB / 0.6075 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 9.909e-05/0.3042, allocations: 166.1 kB / 0.7946 GB, free: 1.609 MB / 0.6075 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001175/0.3054, allocations: 1.028 MB / 0.7956 GB, free: 0.5742 MB / 0.6075 GB
Notification: Performance of collectPreVariables (initialization): time 3.183e-05/0.3054, allocations: 29.7 kB / 0.7956 GB, free: 0.5391 MB / 0.6075 GB
Notification: Performance of collectInitialEqns (initialization): time 0.0002436/0.3057, allocations: 300.8 kB / 0.7959 GB, free: 244 kB / 0.6075 GB
Notification: Performance of collectInitialBindings (initialization): time 6.912e-05/0.3057, allocations: 75.08 kB / 0.7959 GB, free: 168 kB / 0.6075 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001905/0.3059, allocations: 146.1 kB / 0.7961 GB, free: 16 kB / 0.6075 GB
Notification: Performance of setup shared object (initialization): time 0.0001401/0.3061, allocations: 330 kB / 0.7964 GB, free: 15.69 MB / 0.6231 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0003541/0.3064, allocations: 209.2 kB / 0.7966 GB, free: 15.48 MB / 0.6231 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004242/0.3069, allocations: 315 kB / 0.7969 GB, free: 15.14 MB / 0.6231 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0006644/0.3075, allocations: 410.7 kB / 0.7973 GB, free: 14.72 MB / 0.6231 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.477e-06/0.3076, allocations: 0 / 0.7973 GB, free: 14.72 MB / 0.6231 GB
Notification: Performance of matching and sorting (n=75) (initialization): time 0.001097/0.3087, allocations: 0.67 MB / 0.7979 GB, free: 14.05 MB / 0.6231 GB
Notification: Performance of prepare postOptimizeDAE: time 2.393e-05/0.3087, allocations: 12 kB / 0.798 GB, free: 14.04 MB / 0.6231 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.797e-06/0.3087, allocations: 0 / 0.798 GB, free: 14.04 MB / 0.6231 GB
Notification: Performance of postOpt tearingSystem (initialization): time 1.873e-05/0.3087, allocations: 4 kB / 0.798 GB, free: 14.03 MB / 0.6231 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004079/0.3091, allocations: 117.1 kB / 0.7981 GB, free: 13.92 MB / 0.6231 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.303e-05/0.3092, allocations: 11.94 kB / 0.7981 GB, free: 13.91 MB / 0.6231 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002937/0.3095, allocations: 43.61 kB / 0.7981 GB, free: 13.86 MB / 0.6231 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.629e-05/0.3095, allocations: 35.92 kB / 0.7982 GB, free: 13.83 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: 25 ($PRE.timTabLin.tab.nextTimeEvent,$whenCondition5,$PRE.timTabLinHol.tab.nextTimeEvent,$whenCondition4,$PRE.timTabLinDer.tab.nextTimeEvent,$whenCondition3,$PRE.timTabCon.tab.nextTimeEvent,$whenCondition2,$PRE.timTabLinCon.tab.nextTimeEvent,$whenCondition1,timTabLinCon.tab.nextTimeEventScaled,$PRE.timTabLinCon.tab.nextTimeEventScaled,timTabLinCon.tab.nextTimeEvent,timTabCon.tab.nextTimeEventScaled,$PRE.timTabCon.tab.nextTimeEventScaled,timTabCon.tab.nextTimeEvent,timTabLinDer.tab.nextTimeEventScaled,$PRE.timTabLinDer.tab.nextTimeEventScaled,timTabLinDer.tab.nextTimeEvent,timTabLinHol.tab.nextTimeEventScaled,$PRE.timTabLinHol.tab.nextTimeEventScaled,timTabLinHol.tab.nextTimeEvent,timTabLin.tab.nextTimeEventScaled,$PRE.timTabLin.tab.nextTimeEventScaled,timTabLin.tab.nextTimeEvent)
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (75):
 * Single equations (assignments): 75
 * 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 0.0003382/0.3099, allocations: 273.7 kB / 0.7984 GB, free: 13.55 MB / 0.6231 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001095/0.31, allocations: 79.05 kB / 0.7985 GB, free: 13.47 MB / 0.6231 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0001129/0.3101, allocations: 65.89 kB / 0.7986 GB, free: 13.4 MB / 0.6231 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.494e-06/0.3101, allocations: 4 kB / 0.7986 GB, free: 13.4 MB / 0.6231 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 1.018e-05/0.3101, allocations: 3.938 kB / 0.7986 GB, free: 13.39 MB / 0.6231 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 7.805e-06/0.3101, allocations: 7.984 kB / 0.7986 GB, free: 13.39 MB / 0.6231 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.00045/0.3106, allocations: 465.1 kB / 0.799 GB, free: 12.88 MB / 0.6231 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 4.819e-06/0.3106, allocations: 4 kB / 0.799 GB, free: 12.88 MB / 0.6231 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 6.177e-05/0.3107, allocations: 19.98 kB / 0.799 GB, free: 12.86 MB / 0.6231 GB
Notification: Performance of postOpt tearingSystem (simulation): time 3.156e-06/0.3107, allocations: 0 / 0.799 GB, free: 12.86 MB / 0.6231 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.287e-05/0.3107, allocations: 8 kB / 0.7991 GB, free: 12.85 MB / 0.6231 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 3.837e-06/0.3107, allocations: 8 kB / 0.7991 GB, free: 12.84 MB / 0.6231 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.278e-06/0.3107, allocations: 7.875 kB / 0.7991 GB, free: 12.84 MB / 0.6231 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0006827/0.3114, allocations: 393.1 kB / 0.7994 GB, free: 12.42 MB / 0.6231 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.000182/0.3116, allocations: 160.2 kB / 0.7996 GB, free: 12.25 MB / 0.6231 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 7.636e-05/0.3117, allocations: 15.97 kB / 0.7996 GB, free: 12.23 MB / 0.6231 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0001621/0.3119, allocations: 15.98 kB / 0.7996 GB, free: 12.21 MB / 0.6231 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 8.016e-05/0.312, allocations: 31.84 kB / 0.7997 GB, free: 12.18 MB / 0.6231 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 2.257e-05/0.312, allocations: 8 kB / 0.7997 GB, free: 12.18 MB / 0.6231 GB
Notification: Performance of sorting global known variables: time 0.0007026/0.3127, allocations: 0.6044 MB / 0.8003 GB, free: 11.57 MB / 0.6231 GB
Notification: Performance of sort global known variables: time 1.4e-07/0.3127, allocations: 0 / 0.8003 GB, free: 11.57 MB / 0.6231 GB
Notification: Performance of remove unused functions: time 0.0004573/0.3132, allocations: 112 kB / 0.8004 GB, free: 11.46 MB / 0.6231 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * Number of states: 0 ()
 * Number of discrete variables: 15 ($whenCondition5,timTabLin.tab.nextTimeEvent,timTabLin.tab.nextTimeEventScaled,$whenCondition4,timTabLinHol.tab.nextTimeEvent,timTabLinHol.tab.nextTimeEventScaled,$whenCondition3,timTabLinDer.tab.nextTimeEvent,timTabLinDer.tab.nextTimeEventScaled,$whenCondition2,timTabCon.tab.nextTimeEvent,timTabCon.tab.nextTimeEventScaled,$whenCondition1,timTabLinCon.tab.nextTimeEvent,timTabLinCon.tab.nextTimeEventScaled)
 * Number of discrete states: 10 (timTabLinCon.tab.nextTimeEventScaled,timTabLinCon.tab.nextTimeEvent,timTabCon.tab.nextTimeEventScaled,timTabCon.tab.nextTimeEvent,timTabLinDer.tab.nextTimeEventScaled,timTabLinDer.tab.nextTimeEvent,timTabLinHol.tab.nextTimeEventScaled,timTabLinHol.tab.nextTimeEvent,timTabLin.tab.nextTimeEventScaled,timTabLin.tab.nextTimeEvent)
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (25):
 * Single equations (assignments): 15
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 10
 * 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 0.001273/0.3145, allocations: 491.7 kB / 0.8008 GB, free: 11.17 MB / 0.6231 GB
Notification: Performance of simCode: created initialization part: time 0.0008099/0.3153, allocations: 414.7 kB / 0.8012 GB, free: 10.77 MB / 0.6231 GB
Notification: Performance of simCode: created event and clocks part: time 4.358e-06/0.3153, allocations: 0 / 0.8012 GB, free: 10.77 MB / 0.6231 GB
Notification: Performance of simCode: created simulation system equations: time 0.0002435/0.3155, allocations: 111.8 kB / 0.8013 GB, free: 10.66 MB / 0.6231 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0009162/0.3165, allocations: 229.8 kB / 0.8015 GB, free: 10.45 MB / 0.6231 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001634/0.3181, allocations: 1.245 MB / 0.8028 GB, free: 9.168 MB / 0.6231 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0005604/0.3187, allocations: 0.9246 MB / 0.8037 GB, free: 8.215 MB / 0.6231 GB
Notification: Performance of simCode: alias equations: time 0.0003077/0.319, allocations: 112.9 kB / 0.8038 GB, free: 8.102 MB / 0.6231 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001349/0.3191, allocations: 59.42 kB / 0.8038 GB, free: 8.047 MB / 0.6231 GB
Notification: Performance of SimCode: time 8.12e-07/0.3192, allocations: 0 / 0.8038 GB, free: 8.047 MB / 0.6231 GB
Notification: Performance of Templates: time 0.01453/0.3337, allocations: 7.675 MB / 0.8113 GB, free: 484 kB / 0.6231 GB
make -j1 -f Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime.makefile
(rm -f Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime.pipe ; mkfifo Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime.pipe ; head -c 1048576 < Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime.pipe >> ../files/Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime.sim & ./Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Controls.OBC.CDL.Continuous.Sources.Validation.TimeTableNegativeStartTime.pipe 2>&1)