Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr IDEAS_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.conf.json
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/IDEAS 3.0.0/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/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/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 IDEAS with version 3.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/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)
Running command: translateModel(IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT")
translateModel(IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="IDEAS_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001533/0.001533, allocations: 182.1 kB / 15.98 MB, free: 5.77 MB / 13.93 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IDEAS 3.0.0/package.mo): time 0.7069/0.7069, allocations: 132.2 MB / 148.9 MB, free: 12.15 MB / 122.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.38/1.38, allocations: 222.9 MB / 403.3 MB, free: 7.133 MB / 314.7 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001011/0.001011, allocations: 99.75 kB / 484.3 MB, free: 8.75 MB / 394.7 MB
Notification: Performance of FrontEnd - loaded program: time 0.000979/0.0009791, allocations: 55.92 kB / 0.5618 GB, free: 71.09 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.1396/0.1406, allocations: 80.21 MB / 0.6402 GB, free: 6.812 MB / 442.7 MB
Notification: Performance of NFInst.instantiate(IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT): time 0.04023/0.1809, allocations: 37.92 MB / 0.6772 GB, free: 0.7578 MB / 474.7 MB
Notification: Performance of NFInst.instExpressions: time 0.009618/0.1905, allocations: 7.104 MB / 0.6841 GB, free: 9.629 MB / 490.7 MB
Notification: Performance of NFInst.updateImplicitVariability: time 0.001246/0.1918, allocations: 31.81 kB / 0.6842 GB, free: 9.598 MB / 490.7 MB
Notification: Performance of NFTyping.typeComponents: time 0.001076/0.1929, allocations: 330.2 kB / 0.6845 GB, free: 9.273 MB / 490.7 MB
Notification: Performance of NFTyping.typeBindings: time 0.002664/0.1956, allocations: 1.024 MB / 0.6855 GB, free: 8.246 MB / 490.7 MB
Notification: Performance of NFTyping.typeClassSections: time 0.002154/0.1978, allocations: 0.8542 MB / 0.6863 GB, free: 7.402 MB / 490.7 MB
Notification: Performance of NFFlatten.flatten: time 0.002831/0.2006, allocations: 2.839 MB / 0.6891 GB, free: 4.555 MB / 490.7 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0006964/0.2013, allocations: 0.5306 MB / 0.6896 GB, free: 4.008 MB / 490.7 MB
Notification: Performance of NFEvalConstants.evaluate: time 0.3113/0.5126, allocations: 6.298 MB / 0.6958 GB, free: 15.62 MB / 490.7 MB
Notification: Performance of NFSimplifyModel.simplify: time 0.001356/0.514, allocations: 0.548 MB / 0.6963 GB, free: 15.62 MB / 490.7 MB
Notification: Performance of NFPackage.collectConstants: time 0.0001287/0.5141, allocations: 27.84 kB / 0.6963 GB, free: 15.62 MB / 490.7 MB
Notification: Performance of NFFlatten.collectFunctions: time 0.01274/0.5269, allocations: 5.626 MB / 0.7018 GB, free: 14.18 MB / 490.7 MB
Notification: Performance of NFScalarize.scalarize: time 0.0002859/0.5272, allocations: 145.8 kB / 0.702 GB, free: 14.18 MB / 490.7 MB
Notification: Performance of NFVerifyModel.verify: time 0.0005856/0.5278, allocations: 351 kB / 0.7023 GB, free: 14.18 MB / 490.7 MB
Notification: Performance of NFConvertDAE.convert: time 0.001896/0.5297, allocations: 1.176 MB / 0.7034 GB, free: 14.08 MB / 490.7 MB
Notification: Performance of FrontEnd - DAE generated: time 5.049e-06/0.5297, allocations: 5.125 kB / 0.7034 GB, free: 14.08 MB / 490.7 MB
Notification: Performance of FrontEnd: time 8.92e-07/0.5297, allocations: 2.062 kB / 0.7034 GB, free: 14.08 MB / 490.7 MB
Notification: Performance of Transformations before backend: time 1.017e-05/0.5297, allocations: 0 / 0.7034 GB, free: 14.08 MB / 490.7 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 110
 * Number of variables: 110
Notification: Performance of Generate backend data structure: time 0.001635/0.5314, allocations: 1.053 MB / 0.7045 GB, free: 13.52 MB / 490.7 MB
Notification: Performance of prepare preOptimizeDAE: time 3.987e-05/0.5314, allocations: 10.05 kB / 0.7045 GB, free: 13.52 MB / 490.7 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.000297/0.5317, allocations: 82.77 kB / 0.7046 GB, free: 13.48 MB / 490.7 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.001151/0.5329, allocations: 0.7336 MB / 0.7053 GB, free: 13.19 MB / 490.7 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.614e-05/0.5329, allocations: 40.61 kB / 0.7053 GB, free: 13.18 MB / 490.7 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 7.079e-05/0.533, allocations: 44.28 kB / 0.7054 GB, free: 13.18 MB / 490.7 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007688/0.5338, allocations: 0.499 MB / 0.7058 GB, free: 13.07 MB / 490.7 MB
Notification: Performance of preOpt findStateOrder (simulation): time 1.925e-05/0.5338, allocations: 2.344 kB / 0.7059 GB, free: 13.07 MB / 490.7 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.599e-05/0.5339, allocations: 21.94 kB / 0.7059 GB, free: 13.07 MB / 490.7 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.005e-05/0.5339, allocations: 13.44 kB / 0.7059 GB, free: 13.07 MB / 490.7 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0005215/0.5344, allocations: 317.5 kB / 0.7062 GB, free: 13.07 MB / 490.7 MB
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 0.002438/0.5369, allocations: 2.736 MB / 0.7089 GB, free: 11.23 MB / 490.7 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.0003121/0.5372, allocations: 198 kB / 0.709 GB, free: 11.21 MB / 490.7 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0001368/0.5374, allocations: 95.38 kB / 0.7091 GB, free: 11.2 MB / 490.7 MB
Notification: Performance of preOpt evalFunc (simulation): time 0.0002389/0.5376, allocations: 339.2 kB / 0.7095 GB, free: 10.82 MB / 490.7 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.044e-05/0.5376, allocations: 45.08 kB / 0.7095 GB, free: 10.78 MB / 490.7 MB
Notification: Performance of pre-optimization done (n=21): time 1.973e-06/0.5376, allocations: 0 / 0.7095 GB, free: 10.78 MB / 490.7 MB
Notification: Performance of matching and sorting (n=21): time 0.0005653/0.5382, allocations: 292.7 kB / 0.7098 GB, free: 10.72 MB / 490.7 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 2.415e-05/0.5383, allocations: 61.44 kB / 0.7098 GB, free: 10.65 MB / 490.7 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006055/0.5389, allocations: 0.5215 MB / 0.7104 GB, free: 10.53 MB / 490.7 MB
Notification: Performance of collectPreVariables (initialization): time 2.521e-05/0.5389, allocations: 31.73 kB / 0.7104 GB, free: 10.5 MB / 490.7 MB
Notification: Performance of collectInitialEqns (initialization): time 0.0002208/0.5391, allocations: 350.5 kB / 0.7107 GB, free: 10.32 MB / 490.7 MB
Notification: Performance of collectInitialBindings (initialization): time 7.051e-05/0.5392, allocations: 78.3 kB / 0.7108 GB, free: 10.28 MB / 490.7 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0001047/0.5393, allocations: 84.53 kB / 0.7109 GB, free: 10.25 MB / 490.7 MB
Notification: Performance of setup shared object (initialization): time 9.019e-05/0.5394, allocations: 359.9 kB / 0.7112 GB, free: 9.941 MB / 490.7 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001457/0.5396, allocations: 101.6 kB / 0.7113 GB, free: 9.926 MB / 490.7 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0002091/0.5398, allocations: 233.2 kB / 0.7115 GB, free: 9.754 MB / 490.7 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0003564/0.5401, allocations: 336.2 kB / 0.7119 GB, free: 9.594 MB / 490.7 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.887e-06/0.5402, allocations: 1 kB / 0.7119 GB, free: 9.594 MB / 490.7 MB
Notification: Performance of matching and sorting (n=43) (initialization): time 0.0005444/0.5407, allocations: 380.7 kB / 0.7122 GB, free: 9.527 MB / 490.7 MB
Notification: Performance of prepare postOptimizeDAE: time 1.683e-05/0.5407, allocations: 5.906 kB / 0.7122 GB, free: 9.527 MB / 490.7 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.736e-06/0.5407, allocations: 4.375 kB / 0.7122 GB, free: 9.527 MB / 490.7 MB
Notification: Performance of postOpt tearingSystem (initialization): time 1.925e-05/0.5408, allocations: 7.156 kB / 0.7122 GB, free: 9.527 MB / 490.7 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002637/0.541, allocations: 79.92 kB / 0.7123 GB, free: 9.527 MB / 490.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 1.393e-05/0.5411, allocations: 9.422 kB / 0.7123 GB, free: 9.527 MB / 490.7 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003984/0.5415, allocations: 56.03 kB / 0.7124 GB, free: 9.504 MB / 490.7 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 3.621e-05/0.5415, allocations: 18.36 kB / 0.7124 GB, free: 9.504 MB / 490.7 MB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0002828/0.5418, allocations: 246.1 kB / 0.7126 GB, free: 9.414 MB / 490.7 MB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0002145/0.542, allocations: 226.8 kB / 0.7128 GB, free: 9.246 MB / 490.7 MB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.000342/0.5424, allocations: 336.2 kB / 0.7132 GB, free: 9.082 MB / 490.7 MB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.795e-06/0.5424, allocations: 2.156 kB / 0.7132 GB, free: 9.082 MB / 490.7 MB
Notification: Performance of matching and sorting (n=43) (initialization_lambda0): time 0.000522/0.5429, allocations: 389.2 kB / 0.7135 GB, free: 9.012 MB / 490.7 MB
Notification: Performance of prepare postOptimizeDAE: time 1.066e-05/0.5429, allocations: 6.406 kB / 0.7135 GB, free: 9.012 MB / 490.7 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 4.839e-06/0.5429, allocations: 4.906 kB / 0.7135 GB, free: 9.012 MB / 490.7 MB
Notification: Performance of postOpt tearingSystem (initialization): time 7.113e-06/0.5429, allocations: 6.594 kB / 0.7136 GB, free: 9.012 MB / 490.7 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0002248/0.5432, allocations: 75.75 kB / 0.7136 GB, free: 9.012 MB / 490.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.985e-06/0.5432, allocations: 10.16 kB / 0.7136 GB, free: 9.008 MB / 490.7 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003527/0.5436, allocations: 49.47 kB / 0.7137 GB, free: 8.988 MB / 490.7 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.753e-05/0.5436, allocations: 21.12 kB / 0.7137 GB, free: 8.988 MB / 490.7 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 19
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * 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 9.653e-05/0.5437, allocations: 202.5 kB / 0.7139 GB, free: 8.809 MB / 490.7 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 9.291e-05/0.5438, allocations: 55.73 kB / 0.714 GB, free: 8.781 MB / 490.7 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.0004546/0.5442, allocations: 281.5 kB / 0.7142 GB, free: 8.73 MB / 490.7 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 8.576e-06/0.5443, allocations: 1.656 kB / 0.7142 GB, free: 8.73 MB / 490.7 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 4.569e-06/0.5443, allocations: 2.484 kB / 0.7142 GB, free: 8.73 MB / 490.7 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0003018/0.5446, allocations: 386.5 kB / 0.7146 GB, free: 8.477 MB / 490.7 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.001304/0.5459, allocations: 1.027 MB / 0.7156 GB, free: 8 MB / 490.7 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.61e-06/0.5459, allocations: 2.156 kB / 0.7156 GB, free: 8 MB / 490.7 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002045/0.5461, allocations: 49.66 kB / 0.7156 GB, free: 8 MB / 490.7 MB
Notification: Performance of postOpt tearingSystem (simulation): time 5.811e-06/0.5461, allocations: 3.844 kB / 0.7156 GB, free: 8 MB / 490.7 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.074e-05/0.5462, allocations: 10.31 kB / 0.7157 GB, free: 8 MB / 490.7 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 5.931e-06/0.5462, allocations: 9.484 kB / 0.7157 GB, free: 7.996 MB / 490.7 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 4.298e-06/0.5462, allocations: 6.562 kB / 0.7157 GB, free: 7.996 MB / 490.7 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002509/0.5487, allocations: 2.274 MB / 0.7179 GB, free: 6.801 MB / 490.7 MB
Notification: Performance of postOpt removeConstants (simulation): time 0.0002122/0.5489, allocations: 171.5 kB / 0.7181 GB, free: 6.672 MB / 490.7 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 6.082e-05/0.549, allocations: 12.97 kB / 0.7181 GB, free: 6.668 MB / 490.7 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003628/0.5494, allocations: 29.66 kB / 0.7181 GB, free: 6.664 MB / 490.7 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 4.332e-05/0.5494, allocations: 20.2 kB / 0.7181 GB, free: 6.66 MB / 490.7 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 3.3e-05/0.5495, allocations: 23 kB / 0.7181 GB, free: 6.656 MB / 490.7 MB
Notification: Performance of sorting global known variables: time 0.0004663/0.5499, allocations: 400.4 kB / 0.7185 GB, free: 6.555 MB / 490.7 MB
Notification: Performance of sort global known variables: time 1.31e-07/0.5499, allocations: 0 / 0.7185 GB, free: 6.555 MB / 490.7 MB
Notification: Performance of remove unused functions: time 0.001413/0.5514, allocations: 488.9 kB / 0.719 GB, free: 6.504 MB / 490.7 MB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 9
 * Number of states: 2 (vol.dynBal.U,vol1.dynBal.U)
 * 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 (24):
 * Single equations (assignments): 23
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 1
 * When equations: 0
 * 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 0.0006219/0.552, allocations: 295.3 kB / 0.7193 GB, free: 6.387 MB / 490.7 MB
Notification: Performance of simCode: created initialization part: time 0.0005745/0.5526, allocations: 400.1 kB / 0.7197 GB, free: 6.375 MB / 490.7 MB
Notification: Performance of simCode: created event and clocks part: time 3.647e-06/0.5526, allocations: 1.062 kB / 0.7197 GB, free: 6.375 MB / 490.7 MB
Notification: Performance of simCode: created simulation system equations: time 0.0001416/0.5527, allocations: 100.2 kB / 0.7197 GB, free: 6.375 MB / 490.7 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001806/0.5545, allocations: 380.4 kB / 0.7201 GB, free: 6.359 MB / 490.7 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001593/0.5561, allocations: 1.507 MB / 0.7216 GB, free: 5.441 MB / 490.7 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0003556/0.5565, allocations: 0.9002 MB / 0.7225 GB, free: 4.734 MB / 490.7 MB
Notification: Performance of simCode: alias equations: time 0.0006126/0.5571, allocations: 157.6 kB / 0.7226 GB, free: 4.707 MB / 490.7 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001113/0.5573, allocations: 56.5 kB / 0.7227 GB, free: 4.699 MB / 490.7 MB
Notification: Performance of SimCode: time 6.92e-07/0.5573, allocations: 0 / 0.7227 GB, free: 4.699 MB / 490.7 MB
Notification: Performance of Templates: time 0.01809/0.5754, allocations: 12.63 MB / 0.735 GB, free: 0.7695 MB / 490.7 MB
make -j1 -f IDEAS_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.makefile
(rm -f IDEAS_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.pipe ; mkfifo IDEAS_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.pipe ; head -c 1048576 < IDEAS_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.pipe >> ../files/IDEAS_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.sim & ./IDEAS_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT  -abortSlowSimulation -alarm=480 -lv LOG_STATS > IDEAS_IDEAS.Fluid.MixingVolumes.Validation.CoupledVolumesSpecializedWaterConstantProperties_pT.pipe 2>&1)