Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u.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/IDEAS 3.0.0/package.mo", uses=false) Using package IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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: "" <> buildModelFMU(IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u,fileNamePrefix="IDEAS_IDEAS_Fluid_HeatExchangers_Examples_WaterHeater_u",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u,fileNamePrefix="IDEAS_IDEAS_Fluid_HeatExchangers_Examples_WaterHeater_u",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001104/0.001104, allocations: 108 kB / 15.61 MB, free: 152 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001035/0.001035, allocations: 192.6 kB / 16.53 MB, free: 6.664 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.303/1.303, allocations: 222.9 MB / 240.2 MB, free: 4.414 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7516/0.7516, allocations: 132.2 MB / 422.6 MB, free: 1.801 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.002383/0.002383, allocations: 63.31 kB / 0.5019 GB, free: 3.793 MB / 366.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3376/0.34, allocations: 80.2 MB / 0.5802 GB, free: 4.574 MB / 430.1 MB Notification: Performance of NFInst.instantiate(IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u): time 0.06092/0.401, allocations: 66.98 MB / 0.6456 GB, free: 14.38 MB / 494.1 MB Notification: Performance of NFInst.instExpressions: time 0.02052/0.4215, allocations: 16.74 MB / 0.6619 GB, free: 13.59 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.002092/0.4236, allocations: 103.4 kB / 0.662 GB, free: 13.49 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.00234/0.426, allocations: 1.169 MB / 0.6632 GB, free: 12.32 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.0049/0.4309, allocations: 2.652 MB / 0.6658 GB, free: 9.66 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.004356/0.4353, allocations: 2.333 MB / 0.6681 GB, free: 7.344 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.004495/0.4398, allocations: 5.346 MB / 0.6733 GB, free: 1.984 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001821/0.4416, allocations: 1.907 MB / 0.6751 GB, free: 28 kB / 0.4981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.002961/0.4446, allocations: 2.077 MB / 0.6772 GB, free: 13.95 MB / 0.5137 GB Notification: Performance of NFSimplifyModel.simplify: time 0.001354/0.446, allocations: 1.489 MB / 0.6786 GB, free: 12.45 MB / 0.5137 GB Notification: Performance of NFPackage.collectConstants: time 0.0002464/0.4462, allocations: 188 kB / 0.6788 GB, free: 12.27 MB / 0.5137 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002894/0.4491, allocations: 1.969 MB / 0.6807 GB, free: 10.3 MB / 0.5137 GB Notification: Performance of NFScalarize.scalarize: time 0.0004306/0.4495, allocations: 0.5567 MB / 0.6813 GB, free: 9.738 MB / 0.5137 GB Notification: Performance of NFVerifyModel.verify: time 0.0008879/0.4504, allocations: 1.139 MB / 0.6824 GB, free: 8.594 MB / 0.5137 GB Notification: Performance of NFConvertDAE.convert: time 0.003279/0.4537, allocations: 3.591 MB / 0.6859 GB, free: 4.992 MB / 0.5137 GB Notification: Performance of FrontEnd - DAE generated: time 3.636e-06/0.4537, allocations: 0 / 0.6859 GB, free: 4.992 MB / 0.5137 GB Notification: Performance of FrontEnd: time 1.062e-06/0.4537, allocations: 0 / 0.6859 GB, free: 4.992 MB / 0.5137 GB Notification: Performance of Transformations before backend: time 2.206e-05/0.4538, allocations: 4 kB / 0.6859 GB, free: 4.988 MB / 0.5137 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 310 * Number of variables: 310 Notification: Performance of Generate backend data structure: time 0.003518/0.4573, allocations: 2.677 MB / 0.6885 GB, free: 2.238 MB / 0.5137 GB Notification: Performance of prepare preOptimizeDAE: time 3.374e-05/0.4573, allocations: 12.03 kB / 0.6885 GB, free: 2.227 MB / 0.5137 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001823/0.4575, allocations: 186 kB / 0.6887 GB, free: 2.035 MB / 0.5137 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001263/0.4588, allocations: 377.6 kB / 0.6891 GB, free: 1.664 MB / 0.5137 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002514/0.4613, allocations: 1.733 MB / 0.6907 GB, free: 15.88 MB / 0.5294 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000353/0.4617, allocations: 158.3 kB / 0.6909 GB, free: 15.72 MB / 0.5294 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001654/0.4619, allocations: 131.9 kB / 0.691 GB, free: 15.59 MB / 0.5294 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.002146/0.464, allocations: 1.432 MB / 0.6924 GB, free: 14.07 MB / 0.5294 GB Notification: Performance of preOpt findStateOrder (simulation): time 3.072e-05/0.4641, allocations: 3.938 kB / 0.6924 GB, free: 14.07 MB / 0.5294 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001143/0.4642, allocations: 52 kB / 0.6925 GB, free: 14.02 MB / 0.5294 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.201e-05/0.4642, allocations: 54.19 kB / 0.6925 GB, free: 13.96 MB / 0.5294 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.002204/0.4664, allocations: 1.102 MB / 0.6936 GB, free: 12.86 MB / 0.5294 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 0.00732/0.4738, allocations: 7.417 MB / 0.7008 GB, free: 4.875 MB / 0.5294 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001909/0.4757, allocations: 1.307 MB / 0.7021 GB, free: 3.453 MB / 0.5294 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0008977/0.4766, allocations: 450.6 kB / 0.7026 GB, free: 3.012 MB / 0.5294 GB Notification: Performance of preOpt evalFunc (simulation): time 0.003723/0.4803, allocations: 2.631 MB / 0.7051 GB, free: 152 kB / 0.5294 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.001012/0.4814, allocations: 498.5 kB / 0.7056 GB, free: 15.64 MB / 0.545 GB Notification: Performance of pre-optimization done (n=63): time 2.475e-06/0.4814, allocations: 3.938 kB / 0.7056 GB, free: 15.64 MB / 0.545 GB Notification: Performance of matching and sorting (n=63): time 0.002874/0.4842, allocations: 1.217 MB / 0.7068 GB, free: 14.39 MB / 0.545 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.218e-05/0.4843, allocations: 111.4 kB / 0.7069 GB, free: 14.26 MB / 0.545 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001833/0.4862, allocations: 1.476 MB / 0.7083 GB, free: 12.79 MB / 0.545 GB Notification: Performance of collectPreVariables (initialization): time 7.236e-05/0.4862, allocations: 49.69 kB / 0.7084 GB, free: 12.73 MB / 0.545 GB Notification: Performance of collectInitialEqns (initialization): time 0.0006769/0.4869, allocations: 0.8918 MB / 0.7093 GB, free: 11.83 MB / 0.545 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001924/0.4871, allocations: 224.8 kB / 0.7095 GB, free: 11.61 MB / 0.545 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.000291/0.4874, allocations: 210.3 kB / 0.7097 GB, free: 11.39 MB / 0.545 GB Notification: Performance of setup shared object (initialization): time 0.0001155/0.4875, allocations: 345.9 kB / 0.71 GB, free: 11.05 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0009005/0.4885, allocations: 380.6 kB / 0.7104 GB, free: 10.67 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.001123/0.4896, allocations: 0.7359 MB / 0.7111 GB, free: 9.777 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.00196/0.4916, allocations: 1.09 MB / 0.7121 GB, free: 8.547 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 7.083e-06/0.4916, allocations: 0 / 0.7121 GB, free: 8.547 MB / 0.545 GB Notification: Performance of matching and sorting (n=122) (initialization): time 0.002519/0.4941, allocations: 1.282 MB / 0.7134 GB, free: 7.25 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 3.951e-05/0.4942, allocations: 37.7 kB / 0.7134 GB, free: 7.207 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.467e-05/0.4942, allocations: 12.03 kB / 0.7134 GB, free: 7.195 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.204e-05/0.4942, allocations: 16 kB / 0.7135 GB, free: 7.18 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0009212/0.4951, allocations: 243.7 kB / 0.7137 GB, free: 6.941 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 2.224e-05/0.4952, allocations: 27.84 kB / 0.7137 GB, free: 6.914 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0009722/0.4961, allocations: 139.6 kB / 0.7139 GB, free: 6.777 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.743e-05/0.4962, allocations: 51.98 kB / 0.7139 GB, free: 6.727 MB / 0.545 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.00127/0.4975, allocations: 0.6854 MB / 0.7146 GB, free: 6.039 MB / 0.545 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.00106/0.4986, allocations: 0.7086 MB / 0.7153 GB, free: 5.172 MB / 0.545 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.001896/0.5005, allocations: 1.078 MB / 0.7163 GB, free: 3.949 MB / 0.545 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 6.613e-06/0.5005, allocations: 4 kB / 0.7163 GB, free: 3.945 MB / 0.545 GB Notification: Performance of matching and sorting (n=122) (initialization_lambda0): time 0.002445/0.503, allocations: 1.247 MB / 0.7175 GB, free: 2.684 MB / 0.545 GB Notification: Performance of prepare postOptimizeDAE: time 3.081e-05/0.503, allocations: 33.7 kB / 0.7176 GB, free: 2.645 MB / 0.545 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.308e-05/0.503, allocations: 12 kB / 0.7176 GB, free: 2.633 MB / 0.545 GB Notification: Performance of postOpt tearingSystem (initialization): time 1.413e-05/0.503, allocations: 16 kB / 0.7176 GB, free: 2.617 MB / 0.545 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0008962/0.5039, allocations: 251.7 kB / 0.7178 GB, free: 2.371 MB / 0.545 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.805e-05/0.504, allocations: 19.94 kB / 0.7179 GB, free: 2.352 MB / 0.545 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000959/0.5049, allocations: 115.9 kB / 0.718 GB, free: 2.238 MB / 0.545 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.295e-05/0.505, allocations: 55.97 kB / 0.718 GB, free: 2.184 MB / 0.545 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 45 * Number of states: 0 () * Number of discrete variables: 6 (TSet.count,$PRE.TSet.count,TSet.T_start,$PRE.TSet.T_start,$whenCondition1,conPI.I.trigger_internal) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (120): * Single equations (assignments): 118 * Array equations: 1 * Algorithm blocks: 1 * 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 0.0002101/0.5052, allocations: 247.8 kB / 0.7183 GB, free: 1.934 MB / 0.545 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0002244/0.5055, allocations: 169.9 kB / 0.7184 GB, free: 1.766 MB / 0.545 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.002364/0.5078, allocations: 1.063 MB / 0.7195 GB, free: 0.6875 MB / 0.545 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.267e-05/0.5079, allocations: 15.94 kB / 0.7195 GB, free: 0.6719 MB / 0.545 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.913e-06/0.5079, allocations: 0 / 0.7195 GB, free: 0.6719 MB / 0.545 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001753/0.5096, allocations: 0.7924 MB / 0.7202 GB, free: 15.86 MB / 0.5606 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.004189/0.5138, allocations: 2.688 MB / 0.7229 GB, free: 13.09 MB / 0.5606 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.023e-06/0.5139, allocations: 8 kB / 0.7229 GB, free: 13.08 MB / 0.5606 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0007134/0.5146, allocations: 155.8 kB / 0.723 GB, free: 12.93 MB / 0.5606 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0001427/0.5147, allocations: 32.94 kB / 0.7231 GB, free: 12.89 MB / 0.5606 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 5.413e-05/0.5148, allocations: 23.92 kB / 0.7231 GB, free: 12.87 MB / 0.5606 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0009386/0.5157, allocations: 1.429 MB / 0.7245 GB, free: 11.3 MB / 0.5606 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.763e-06/0.5158, allocations: 0 / 0.7245 GB, free: 11.3 MB / 0.5606 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002988/0.5188, allocations: 1.576 MB / 0.726 GB, free: 9.684 MB / 0.5606 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0004823/0.5193, allocations: 362.6 kB / 0.7264 GB, free: 9.309 MB / 0.5606 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002121/0.5195, allocations: 20 kB / 0.7264 GB, free: 9.289 MB / 0.5606 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000878/0.5204, allocations: 55.94 kB / 0.7264 GB, free: 9.234 MB / 0.5606 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001124/0.5205, allocations: 60.42 kB / 0.7265 GB, free: 9.176 MB / 0.5606 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.94e-05/0.5206, allocations: 35.97 kB / 0.7265 GB, free: 9.141 MB / 0.5606 GB Notification: Performance of sorting global known variables: time 0.001362/0.5219, allocations: 1.07 MB / 0.7276 GB, free: 8.047 MB / 0.5606 GB Notification: Performance of sort global known variables: time 2.51e-07/0.5219, allocations: 0 / 0.7276 GB, free: 8.047 MB / 0.5606 GB Notification: Performance of remove unused functions: time 0.002303/0.5242, allocations: 0.9431 MB / 0.7285 GB, free: 7.102 MB / 0.5606 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 8 * Number of states: 6 (vol.dynBal.U,mov.filter.s[1],mov.filter.s[2],conPI.I.y,THeaOut.T,hea.vol.dynBal.U) * Number of discrete variables: 3 ($whenCondition1,TSet.T_start,TSet.count) * Number of discrete states: 1 (TSet.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (75): * Single equations (assignments): 67 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 5 * When equations: 2 * 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): 1 system {(1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.004562/0.5288, allocations: 2.548 MB / 0.731 GB, free: 4.508 MB / 0.5606 GB Notification: Performance of simCode: created initialization part: time 0.003687/0.5325, allocations: 1.652 MB / 0.7326 GB, free: 2.84 MB / 0.5606 GB Notification: Performance of simCode: created event and clocks part: time 5.229e-06/0.5325, allocations: 4 kB / 0.7326 GB, free: 2.836 MB / 0.5606 GB Notification: Performance of simCode: created simulation system equations: time 0.001158/0.5337, allocations: 0.5567 MB / 0.7331 GB, free: 2.266 MB / 0.5606 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.003625/0.5373, allocations: 0.9006 MB / 0.734 GB, free: 1.41 MB / 0.5606 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01838/0.5557, allocations: 13.06 MB / 0.7468 GB, free: 3.379 MB / 0.5762 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009968/0.5567, allocations: 1.405 MB / 0.7481 GB, free: 1.938 MB / 0.5762 GB Notification: Performance of simCode: alias equations: time 0.001587/0.5583, allocations: 425.5 kB / 0.7486 GB, free: 1.523 MB / 0.5762 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0008749/0.5592, allocations: 0.7336 MB / 0.7493 GB, free: 0.7891 MB / 0.5762 GB Notification: Performance of SimCode: time 7.01e-07/0.5592, allocations: 0 / 0.7493 GB, free: 0.7891 MB / 0.5762 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.7188/1.278, allocations: 48.23 MB / 0.7964 GB, free: 1.16 MB / 0.6231 GB Notification: Performance of buildModelFMU: Generate platform static: time 11.22/12.5, allocations: 10.08 kB / 0.7964 GB, free: 1.152 MB / 0.6231 GB (rm -f IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe ; mkfifo IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe >> ../files/IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_IDEAS_IDEAS_Fluid_HeatExchangers_Examples_WaterHeater_u_fmu --startTime=0 --stopTime=172800 --timeout=50 --tolerance=1e-06 IDEAS_IDEAS_Fluid_HeatExchangers_Examples_WaterHeater_u.fmu > IDEAS_IDEAS.Fluid.HeatExchangers.Examples.WaterHeater_u.pipe 2>&1)