Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Movers.Examples.MoverContinuous.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.Fluid.Movers.Examples.MoverContinuous,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Movers.Examples.MoverContinuous")
translateModel(Buildings.Fluid.Movers.Examples.MoverContinuous,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_8_Buildings.Fluid.Movers.Examples.MoverContinuous")
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001238/0.001238, allocations: 108 kB / 15.61 MB, free: 148 kB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001305/0.001305, allocations: 193.6 kB / 16.53 MB, free: 6.691 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.582/1.582, allocations: 205.1 MB / 222.4 MB, free: 4.621 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 1.786/1.786, allocations: 292.3 MB / 0.5489 GB, free: 12.8 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 0.001472/0.001472, allocations: 71.67 kB / 0.6715 GB, free: 26.39 MB / 0.5294 GB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.2798/0.2813, allocations: 114.6 MB / 0.7834 GB, free: 13.49 MB / 0.6075 GB
Notification: Performance of NFInst.instantiate(Buildings.Fluid.Movers.Examples.MoverContinuous): time 0.09461/0.376, allocations: 95.13 MB / 0.8763 GB, free: 14.03 MB / 0.7012 GB
Notification: Performance of NFInst.instExpressions: time 0.5702/0.9462, allocations: 32.97 MB / 0.9085 GB, free: 7.508 MB / 0.7169 GB
Notification: Performance of NFInst.updateImplicitVariability: time 0.007609/0.9539, allocations: 153 kB / 0.9086 GB, free: 7.508 MB / 0.7169 GB
Notification: Performance of NFTyping.typeComponents: time 0.00764/0.9616, allocations: 2.005 MB / 0.9106 GB, free: 7.504 MB / 0.7169 GB
Notification: Performance of NFTyping.typeBindings: time 0.01563/0.9773, allocations: 4.456 MB / 0.9149 GB, free: 7.457 MB / 0.7169 GB
Notification: Performance of NFTyping.typeClassSections: time 0.009759/0.987, allocations: 3.562 MB / 0.9184 GB, free: 7.391 MB / 0.7169 GB
Notification: Performance of NFFlatten.flatten: time 0.01442/1.001, allocations: 8.778 MB / 0.927 GB, free: 7.367 MB / 0.7169 GB
Notification: Performance of NFFlatten.resolveConnections: time 0.007959/1.009, allocations: 3.283 MB / 0.9302 GB, free: 6.98 MB / 0.7169 GB
Notification: Performance of NFEvalConstants.evaluate: time 0.01225/1.022, allocations: 3.727 MB / 0.9338 GB, free: 6.801 MB / 0.7169 GB
Notification: Performance of NFSimplifyModel.simplify: time 0.007261/1.029, allocations: 2.753 MB / 0.9365 GB, free: 6.328 MB / 0.7169 GB
Notification: Performance of NFPackage.collectConstants: time 0.001801/1.031, allocations: 393.9 kB / 0.9369 GB, free: 6.328 MB / 0.7169 GB
Notification: Performance of NFFlatten.collectFunctions: time 0.01016/1.041, allocations: 2.646 MB / 0.9395 GB, free: 6.293 MB / 0.7169 GB
Notification: Performance of NFScalarize.scalarize: time 0.003229/1.044, allocations: 1.605 MB / 0.941 GB, free: 6.109 MB / 0.7169 GB
Notification: Performance of NFVerifyModel.verify: time 0.007823/1.052, allocations: 2.504 MB / 0.9435 GB, free: 5.367 MB / 0.7169 GB
Notification: Performance of NFConvertDAE.convert: time 0.01396/1.066, allocations: 7.521 MB / 0.9508 GB, free: 4.328 MB / 0.7169 GB
Notification: Performance of FrontEnd - DAE generated: time 6.783e-06/1.066, allocations: 0 / 0.9508 GB, free: 4.328 MB / 0.7169 GB
Notification: Performance of FrontEnd: time 2.264e-06/1.066, allocations: 0 / 0.9508 GB, free: 4.328 MB / 0.7169 GB
Notification: Performance of Transformations before backend: time 0.0002803/1.066, allocations: 0 / 0.9508 GB, free: 4.328 MB / 0.7169 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 489
 * Number of variables: 489
Notification: Performance of Generate backend data structure: time 0.01813/1.085, allocations: 5.566 MB / 0.9562 GB, free: 1.801 MB / 0.7169 GB
Notification: Performance of prepare preOptimizeDAE: time 4.723e-05/1.085, allocations: 10.69 kB / 0.9563 GB, free: 1.801 MB / 0.7169 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.007392/1.092, allocations: 1.205 MB / 0.9574 GB, free: 1.488 MB / 0.7169 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.01397/1.106, allocations: 4.931 MB / 0.9622 GB, free: 16.22 MB / 0.7325 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0007963/1.107, allocations: 291.1 kB / 0.9625 GB, free: 16.17 MB / 0.7325 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 0.0009738/1.108, allocations: 220.7 kB / 0.9627 GB, free: 16.17 MB / 0.7325 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.006335/1.114, allocations: 2.913 MB / 0.9656 GB, free: 15.33 MB / 0.7325 GB
Notification: Performance of preOpt findStateOrder (simulation): time 4.068e-05/1.114, allocations: 6.797 kB / 0.9656 GB, free: 15.33 MB / 0.7325 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002325/1.115, allocations: 80.34 kB / 0.9657 GB, free: 15.33 MB / 0.7325 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 4.296e-05/1.115, allocations: 53.23 kB / 0.9657 GB, free: 15.32 MB / 0.7325 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.005443/1.12, allocations: 2.175 MB / 0.9678 GB, free: 14.36 MB / 0.7325 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 0.02087/1.141, allocations: 12.39 MB / 0.9799 GB, free: 4.438 MB / 0.7325 GB
Notification: Performance of preOpt comSubExp (simulation): time 0.004598/1.146, allocations: 1.671 MB / 0.9816 GB, free: 3.645 MB / 0.7325 GB
Notification: Performance of preOpt resolveLoops (simulation): time 0.001868/1.147, allocations: 0.7764 MB / 0.9823 GB, free: 3.27 MB / 0.7325 GB
Notification: Performance of preOpt evalFunc (simulation): time 0.00836/1.156, allocations: 4.274 MB / 0.9865 GB, free: 15.6 MB / 0.7481 GB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.96e-05/1.156, allocations: 48.78 kB / 0.9866 GB, free: 15.55 MB / 0.7481 GB
Notification: Performance of pre-optimization done (n=79): time 2.966e-06/1.156, allocations: 0 / 0.9866 GB, free: 15.55 MB / 0.7481 GB
Notification: Performance of matching and sorting (n=79): time 0.007438/1.163, allocations: 2.541 MB / 0.989 GB, free: 14.34 MB / 0.7481 GB
Notification: Performance of inlineWhenForInitialization (initialization): time 4.752e-05/1.163, allocations: 61.69 kB / 0.9891 GB, free: 14.28 MB / 0.7481 GB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.008646/1.172, allocations: 4.648 MB / 0.9936 GB, free: 11.88 MB / 0.7481 GB
Notification: Performance of collectPreVariables (initialization): time 0.0007071/1.173, allocations: 56.62 kB / 0.9937 GB, free: 11.83 MB / 0.7481 GB
Notification: Performance of collectInitialEqns (initialization): time 0.002166/1.175, allocations: 2.02 MB / 0.9957 GB, free: 9.898 MB / 0.7481 GB
Notification: Performance of collectInitialBindings (initialization): time 0.0006928/1.176, allocations: 280 kB / 0.9959 GB, free: 9.629 MB / 0.7481 GB
Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008415/1.177, allocations: 487.1 kB / 0.9964 GB, free: 9.145 MB / 0.7481 GB
Notification: Performance of setup shared object (initialization): time 0.0001189/1.177, allocations: 305.1 kB / 0.9967 GB, free: 8.844 MB / 0.7481 GB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.003015/1.18, allocations: 1.57 MB / 0.9982 GB, free: 7.27 MB / 0.7481 GB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.003972/1.184, allocations: 2.476 MB / 1.001 GB, free: 4.375 MB / 0.7481 GB
Notification: Performance of analyzeInitialSystem (initialization): time 0.006797/1.191, allocations: 3.988 MB / 1.005 GB, free: 124 kB / 0.7481 GB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.151e-05/1.191, allocations: 8 kB / 1.005 GB, free: 116 kB / 0.7481 GB
Notification: Performance of matching and sorting (n=247) (initialization): time 0.009337/1.2, allocations: 4.331 MB / 1.009 GB, free: 11.96 MB / 0.7637 GB
Notification: Performance of prepare postOptimizeDAE: time 3.966e-05/1.2, allocations: 23.94 kB / 1.009 GB, free: 11.93 MB / 0.7637 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.743e-05/1.2, allocations: 28.91 kB / 1.009 GB, free: 11.91 MB / 0.7637 GB
Notification: Performance of postOpt tearingSystem (initialization): time 4.878e-05/1.2, allocations: 36 kB / 1.009 GB, free: 11.87 MB / 0.7637 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003405/1.204, allocations: 0.5813 MB / 1.009 GB, free: 11.32 MB / 0.7637 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002818/1.206, allocations: 2.99 MB / 1.012 GB, free: 8.254 MB / 0.7637 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004482/1.211, allocations: 306 kB / 1.013 GB, free: 7.953 MB / 0.7637 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0005168/1.211, allocations: 180 kB / 1.013 GB, free: 7.777 MB / 0.7637 GB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.004971/1.216, allocations: 2.182 MB / 1.015 GB, free: 5.594 MB / 0.7637 GB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.003322/1.22, allocations: 2.196 MB / 1.017 GB, free: 2.988 MB / 0.7637 GB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.005933/1.226, allocations: 3.406 MB / 1.02 GB, free: 15.32 MB / 0.7794 GB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.554e-05/1.226, allocations: 8 kB / 1.02 GB, free: 15.31 MB / 0.7794 GB
Notification: Performance of matching and sorting (n=247) (initialization_lambda0): time 0.007717/1.233, allocations: 3.742 MB / 1.024 GB, free: 11.74 MB / 0.7794 GB
Notification: Performance of prepare postOptimizeDAE: time 2.592e-05/1.234, allocations: 16.16 kB / 1.024 GB, free: 11.73 MB / 0.7794 GB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.529e-05/1.234, allocations: 35.94 kB / 1.024 GB, free: 11.69 MB / 0.7794 GB
Notification: Performance of postOpt tearingSystem (initialization): time 7.508e-05/1.234, allocations: 40 kB / 1.024 GB, free: 11.65 MB / 0.7794 GB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002596/1.236, allocations: 0.6039 MB / 1.025 GB, free: 11.08 MB / 0.7794 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.74e-05/1.236, allocations: 55.8 kB / 1.025 GB, free: 11.04 MB / 0.7794 GB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.003351/1.24, allocations: 236.5 kB / 1.025 GB, free: 10.8 MB / 0.7794 GB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003376/1.24, allocations: 168 kB / 1.025 GB, free: 10.64 MB / 0.7794 GB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 126
 * 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 (216):
 * Single equations (assignments): 208
 * Array equations: 4
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 4
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 4 systems
   {1, 1, 1, 1}
 * Without analytic Jacobian (size): 0 systems
Notification: Performance of prepare postOptimizeDAE: time 0.0007042/1.241, allocations: 305.8 kB / 1.025 GB, free: 10.36 MB / 0.7794 GB
Notification: Performance of postOpt lateInlineFunction (simulation): time 0.001413/1.242, allocations: 402.7 kB / 1.026 GB, free: 9.965 MB / 0.7794 GB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.006391/1.249, allocations: 2.519 MB / 1.028 GB, free: 7.477 MB / 0.7794 GB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.13e-05/1.249, allocations: 8 kB / 1.028 GB, free: 7.469 MB / 0.7794 GB
Notification: Performance of postOpt constantLinearSystem (simulation): time 8.867e-06/1.249, allocations: 8 kB / 1.028 GB, free: 7.461 MB / 0.7794 GB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.161e-05/1.249, allocations: 3.984 kB / 1.028 GB, free: 7.457 MB / 0.7794 GB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.01065/1.259, allocations: 4.922 MB / 1.033 GB, free: 2.508 MB / 0.7794 GB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.524e-06/1.259, allocations: 0 / 1.033 GB, free: 2.508 MB / 0.7794 GB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001401/1.261, allocations: 276.7 kB / 1.033 GB, free: 2.246 MB / 0.7794 GB
Notification: Performance of postOpt tearingSystem (simulation): time 0.000339/1.261, allocations: 141.6 kB / 1.034 GB, free: 2.102 MB / 0.7794 GB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.344e-05/1.261, allocations: 44.89 kB / 1.034 GB, free: 2.059 MB / 0.7794 GB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001848/1.263, allocations: 2.664 MB / 1.036 GB, free: 15.3 MB / 0.795 GB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.385e-06/1.263, allocations: 0 / 1.036 GB, free: 15.3 MB / 0.795 GB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.005601/1.269, allocations: 2.323 MB / 1.038 GB, free: 12.97 MB / 0.795 GB
Notification: Performance of postOpt removeConstants (simulation): time 0.00206/1.271, allocations: 0.6476 MB / 1.039 GB, free: 12.3 MB / 0.795 GB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0006521/1.271, allocations: 20 kB / 1.039 GB, free: 12.28 MB / 0.795 GB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001738/1.273, allocations: 115.8 kB / 1.039 GB, free: 12.17 MB / 0.795 GB
Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001443/1.273, allocations: 68.89 kB / 1.039 GB, free: 12.1 MB / 0.795 GB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000125/1.273, allocations: 67.94 kB / 1.039 GB, free: 12.04 MB / 0.795 GB
Notification: Performance of sorting global known variables: time 0.005685/1.279, allocations: 3.187 MB / 1.042 GB, free: 8.863 MB / 0.795 GB
Notification: Performance of sort global known variables: time 1.894e-06/1.279, allocations: 3.656 kB / 1.042 GB, free: 8.863 MB / 0.795 GB
Notification: Performance of remove unused functions: time 0.007725/1.287, allocations: 1.714 MB / 1.044 GB, free: 7.152 MB / 0.795 GB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 5
 * 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 simulation (102):
 * Single equations (assignments): 88
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 10
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 2
 * Torn equation systems: 2
 * Mixed (continuous/discrete) equation systems: 0
Notification: Equation system details (not torn):
 * Constant Jacobian (size): 0 systems
 * Linear Jacobian (size,density): 0 systems
 * Non-linear Jacobian (size): 2 systems
   {1, 1}
 * Without analytic Jacobian (size): 0 systems
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
   {(1,1), (1,1)}
Notification: Performance of Backend phase and start with SimCode phase: time 0.001876/1.289, allocations: 0.6507 MB / 1.045 GB, free: 6.551 MB / 0.795 GB
Notification: Performance of simCode: created initialization part: time 0.01302/1.302, allocations: 4.93 MB / 1.05 GB, free: 1.816 MB / 0.795 GB
Notification: Performance of simCode: created event and clocks part: time 1.129e-05/1.302, allocations: 0 / 1.05 GB, free: 1.816 MB / 0.795 GB
Notification: Performance of simCode: created simulation system equations: time 0.002637/1.305, allocations: 0.9485 MB / 1.051 GB, free: 0.8945 MB / 0.795 GB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.01002/1.315, allocations: 2.277 MB / 1.053 GB, free: 14.66 MB / 0.8106 GB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01295/1.328, allocations: 7.131 MB / 1.06 GB, free: 7.516 MB / 0.8106 GB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.002591/1.33, allocations: 2.507 MB / 1.062 GB, free: 4.98 MB / 0.8106 GB
Notification: Performance of simCode: alias equations: time 0.005266/1.335, allocations: 1.067 MB / 1.063 GB, free: 3.914 MB / 0.8106 GB
Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0007994/1.336, allocations: 299.3 kB / 1.063 GB, free: 3.625 MB / 0.8106 GB
Notification: Performance of SimCode: time 2.404e-06/1.336, allocations: 0 / 1.063 GB, free: 3.625 MB / 0.8106 GB
Notification: Performance of Templates: time 0.1599/1.496, allocations: 90.21 MB / 1.152 GB, free: 10.59 MB / 0.9044 GB
make -j1 -f Buildings_8_Buildings.Fluid.Movers.Examples.MoverContinuous.makefile
(rm -f Buildings_8_Buildings.Fluid.Movers.Examples.MoverContinuous.pipe ; mkfifo Buildings_8_Buildings.Fluid.Movers.Examples.MoverContinuous.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Movers.Examples.MoverContinuous.pipe >> ../files/Buildings_8_Buildings.Fluid.Movers.Examples.MoverContinuous.sim & ./Buildings_8_Buildings.Fluid.Movers.Examples.MoverContinuous  -abortSlowSimulation -alarm=480 -lv LOG_STATS > Buildings_8_Buildings.Fluid.Movers.Examples.MoverContinuous.pipe 2>&1)