Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore.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-master/package.mo", uses=false) Using package BuildSysPro with version 3.6.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/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.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore") translateModel(BuildSysPro.IBPSA.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001055/0.001055, allocations: 90.52 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.009465/0.009465, allocations: 171.1 kB / 16.26 MB, free: 6.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.49/1.49, allocations: 223.3 MB / 240.3 MB, free: 5.348 MB / 190.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0-master/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-master/package.mo): time 1.088/1.088, allocations: 143.4 MB / 434.8 MB, free: 13.64 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.00043/0.0004302, allocations: 8 kB / 0.5166 GB, free: 10.92 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2118/0.2123, allocations: 83.4 MB / 0.5981 GB, free: 7.457 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore): time 0.4466/0.6589, allocations: 32.54 MB / 0.6299 GB, free: 24.84 MB / 0.4981 GB Notification: Performance of NFInst.instExpressions: time 0.01225/0.6712, allocations: 9.783 MB / 0.6394 GB, free: 17.86 MB / 0.4981 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.001437/0.6727, allocations: 25.81 kB / 0.6394 GB, free: 17.85 MB / 0.4981 GB Notification: Performance of NFTyping.typeComponents: time 0.001184/0.6739, allocations: 327.8 kB / 0.6398 GB, free: 17.66 MB / 0.4981 GB Notification: Performance of NFTyping.typeBindings: time 0.004244/0.6781, allocations: 1.29 MB / 0.641 GB, free: 16.92 MB / 0.4981 GB Notification: Performance of NFTyping.typeClassSections: time 0.002736/0.6809, allocations: 0.8369 MB / 0.6418 GB, free: 16.47 MB / 0.4981 GB Notification: Performance of NFFlatten.flatten: time 0.00326/0.6842, allocations: 2.644 MB / 0.6444 GB, free: 15.47 MB / 0.4981 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008357/0.685, allocations: 0.5125 MB / 0.6449 GB, free: 15.24 MB / 0.4981 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001864/0.6869, allocations: 0.8492 MB / 0.6458 GB, free: 14.86 MB / 0.4981 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0008566/0.6878, allocations: 0.6059 MB / 0.6463 GB, free: 14.61 MB / 0.4981 GB Notification: Performance of NFPackage.collectConstants: time 7.194e-05/0.6878, allocations: 31.81 kB / 0.6464 GB, free: 14.61 MB / 0.4981 GB Notification: Performance of NFFlatten.collectFunctions: time 0.002664/0.6905, allocations: 1.256 MB / 0.6476 GB, free: 14.17 MB / 0.4981 GB Notification: Performance of NFScalarize.scalarize: time 0.000156/0.6907, allocations: 139.8 kB / 0.6477 GB, free: 14.09 MB / 0.4981 GB Notification: Performance of NFVerifyModel.verify: time 0.0004363/0.6911, allocations: 432.1 kB / 0.6481 GB, free: 13.84 MB / 0.4981 GB Notification: Performance of NFConvertDAE.convert: time 0.00226/0.6934, allocations: 1.653 MB / 0.6498 GB, free: 13.36 MB / 0.4981 GB Notification: Performance of FrontEnd - DAE generated: time 4.98e-06/0.6934, allocations: 2.625 kB / 0.6498 GB, free: 13.36 MB / 0.4981 GB Notification: Performance of FrontEnd: time 1.833e-06/0.6934, allocations: 3.938 kB / 0.6498 GB, free: 13.36 MB / 0.4981 GB Notification: Performance of Transformations before backend: time 1.024e-05/0.6934, allocations: 0 / 0.6498 GB, free: 13.36 MB / 0.4981 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 111 * Number of variables: 111 Notification: Performance of Generate backend data structure: time 0.001902/0.6953, allocations: 1.107 MB / 0.6508 GB, free: 12.56 MB / 0.4981 GB Notification: Performance of prepare preOptimizeDAE: time 4.239e-05/0.6954, allocations: 9.875 kB / 0.6509 GB, free: 12.56 MB / 0.4981 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0001358/0.6955, allocations: 91.72 kB / 0.6509 GB, free: 12.51 MB / 0.4981 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0008915/0.6964, allocations: 0.6521 MB / 0.6516 GB, free: 12.07 MB / 0.4981 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.579e-05/0.6965, allocations: 35.72 kB / 0.6516 GB, free: 12.06 MB / 0.4981 GB Notification: Performance of preOpt expandDerOperator (simulation): time 7.573e-05/0.6966, allocations: 53.62 kB / 0.6517 GB, free: 12.04 MB / 0.4981 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0007651/0.6973, allocations: 435.4 kB / 0.6521 GB, free: 11.86 MB / 0.4981 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.092e-05/0.6974, allocations: 0 / 0.6521 GB, free: 11.86 MB / 0.4981 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 4.651e-05/0.6974, allocations: 19.84 kB / 0.6521 GB, free: 11.85 MB / 0.4981 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.571e-05/0.6974, allocations: 11.56 kB / 0.6521 GB, free: 11.85 MB / 0.4981 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0007271/0.6982, allocations: 380.8 kB / 0.6525 GB, free: 11.72 MB / 0.4981 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 0.003596/0.7018, allocations: 2.815 MB / 0.6552 GB, free: 9.602 MB / 0.4981 GB Notification: Performance of preOpt comSubExp (simulation): time 0.0008754/0.7027, allocations: 387.2 kB / 0.6556 GB, free: 9.449 MB / 0.4981 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0003126/0.703, allocations: 159.7 kB / 0.6557 GB, free: 9.391 MB / 0.4981 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001041/0.704, allocations: 1.435 MB / 0.6571 GB, free: 7.77 MB / 0.4981 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 2.108e-05/0.7041, allocations: 40.47 kB / 0.6572 GB, free: 7.723 MB / 0.4981 GB Notification: Performance of pre-optimization done (n=35): time 2.084e-06/0.7041, allocations: 0 / 0.6572 GB, free: 7.723 MB / 0.4981 GB Notification: Performance of matching and sorting (n=35): time 0.001297/0.7054, allocations: 0.5134 MB / 0.6577 GB, free: 7.52 MB / 0.4981 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.849e-05/0.7054, allocations: 55.59 kB / 0.6577 GB, free: 7.457 MB / 0.4981 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.001136/0.7066, allocations: 0.7402 MB / 0.6585 GB, free: 7.137 MB / 0.4981 GB Notification: Performance of collectPreVariables (initialization): time 3.884e-05/0.7066, allocations: 32.05 kB / 0.6585 GB, free: 7.102 MB / 0.4981 GB Notification: Performance of collectInitialEqns (initialization): time 0.0002249/0.7069, allocations: 340 kB / 0.6588 GB, free: 6.832 MB / 0.4981 GB Notification: Performance of collectInitialBindings (initialization): time 9.82e-05/0.707, allocations: 125.9 kB / 0.6589 GB, free: 6.73 MB / 0.4981 GB Notification: Performance of simplifyInitialFunctions (initialization): time 6.37e-05/0.707, allocations: 44.23 kB / 0.659 GB, free: 6.699 MB / 0.4981 GB Notification: Performance of setup shared object (initialization): time 7.781e-05/0.7071, allocations: 319.9 kB / 0.6593 GB, free: 6.387 MB / 0.4981 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0002871/0.7074, allocations: 138 kB / 0.6594 GB, free: 6.344 MB / 0.4981 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0003247/0.7077, allocations: 204.7 kB / 0.6596 GB, free: 6.238 MB / 0.4981 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.0006111/0.7084, allocations: 341.6 kB / 0.6599 GB, free: 6.07 MB / 0.4981 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 4.358e-06/0.7084, allocations: 1.281 kB / 0.6599 GB, free: 6.07 MB / 0.4981 GB Notification: Performance of matching and sorting (n=48) (initialization): time 0.0009151/0.7093, allocations: 473.7 kB / 0.6604 GB, free: 5.883 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 6.232e-05/0.7094, allocations: 131.5 kB / 0.6605 GB, free: 5.742 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.248e-05/0.7094, allocations: 5.031 kB / 0.6605 GB, free: 5.742 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 2.063e-05/0.7094, allocations: 4 kB / 0.6605 GB, free: 5.742 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000519/0.7099, allocations: 110.5 kB / 0.6606 GB, free: 5.73 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0002538/0.7102, allocations: 0.5905 MB / 0.6612 GB, free: 5.137 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0005546/0.7108, allocations: 68.06 kB / 0.6613 GB, free: 5.102 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 5.827e-05/0.7108, allocations: 25.2 kB / 0.6613 GB, free: 5.098 MB / 0.4981 GB Notification: Performance of prepare postOptimizeDAE: time 8.145e-06/0.7109, allocations: 3.594 kB / 0.6613 GB, free: 5.098 MB / 0.4981 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.0007779/0.7116, allocations: 380 kB / 0.6617 GB, free: 4.965 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.357e-05/0.7117, allocations: 7.75 kB / 0.6617 GB, free: 4.961 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (initialization): time 6.633e-06/0.7117, allocations: 7.719 kB / 0.6617 GB, free: 4.957 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003423/0.712, allocations: 96.92 kB / 0.6618 GB, free: 4.945 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 9.388e-06/0.712, allocations: 4.094 kB / 0.6618 GB, free: 4.945 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000444/0.7125, allocations: 66.66 kB / 0.6618 GB, free: 4.914 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.713e-05/0.7125, allocations: 20.91 kB / 0.6619 GB, free: 4.91 MB / 0.4981 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * 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 (46): * Single equations (assignments): 43 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * 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): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.000321/0.7129, allocations: 272.7 kB / 0.6621 GB, free: 4.668 MB / 0.4981 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0001214/0.713, allocations: 76.62 kB / 0.6622 GB, free: 4.629 MB / 0.4981 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001634/0.7146, allocations: 0.8211 MB / 0.663 GB, free: 4.336 MB / 0.4981 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.493e-05/0.7147, allocations: 8.828 kB / 0.663 GB, free: 4.336 MB / 0.4981 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 8.185e-06/0.7147, allocations: 5.094 kB / 0.663 GB, free: 4.332 MB / 0.4981 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 8.506e-06/0.7147, allocations: 8.188 kB / 0.663 GB, free: 4.328 MB / 0.4981 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.002324/0.717, allocations: 1.481 MB / 0.6645 GB, free: 3.555 MB / 0.4981 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.439e-05/0.7171, allocations: 3.453 kB / 0.6645 GB, free: 3.555 MB / 0.4981 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.000367/0.7174, allocations: 89.22 kB / 0.6645 GB, free: 3.543 MB / 0.4981 GB Notification: Performance of postOpt tearingSystem (simulation): time 6.542e-06/0.7174, allocations: 2.125 kB / 0.6645 GB, free: 3.543 MB / 0.4981 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 3.931e-05/0.7175, allocations: 18.11 kB / 0.6646 GB, free: 3.535 MB / 0.4981 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0002106/0.7177, allocations: 0.5948 MB / 0.6651 GB, free: 2.938 MB / 0.4981 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.485e-06/0.7177, allocations: 1.5 kB / 0.6651 GB, free: 2.938 MB / 0.4981 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001636/0.7194, allocations: 1.006 MB / 0.6661 GB, free: 2.441 MB / 0.4981 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0003683/0.7197, allocations: 259.6 kB / 0.6664 GB, free: 2.242 MB / 0.4981 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 9.916e-05/0.7198, allocations: 10.72 kB / 0.6664 GB, free: 2.234 MB / 0.4981 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.000413/0.7203, allocations: 36.66 kB / 0.6664 GB, free: 2.223 MB / 0.4981 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001387/0.7204, allocations: 41.44 kB / 0.6665 GB, free: 2.219 MB / 0.4981 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 5.405e-05/0.7205, allocations: 25.2 kB / 0.6665 GB, free: 2.211 MB / 0.4981 GB Notification: Performance of sorting global known variables: time 0.0008701/0.7213, allocations: 0.5213 MB / 0.667 GB, free: 1.984 MB / 0.4981 GB Notification: Performance of sort global known variables: time 2.81e-07/0.7214, allocations: 0 / 0.667 GB, free: 1.984 MB / 0.4981 GB Notification: Performance of remove unused functions: time 0.001659/0.723, allocations: 461.9 kB / 0.6674 GB, free: 1.887 MB / 0.4981 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 4 * Number of states: 4 (pip.del.x,pip.timDel.x,senTemOut.T,senTemIn.T) * 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 (52): * Single equations (assignments): 37 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 14 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 1 * 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): 1 system {1} * Without analytic Jacobian (size): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.001243/0.7243, allocations: 484.6 kB / 0.6679 GB, free: 1.668 MB / 0.4981 GB Notification: Performance of simCode: created initialization part: time 0.001735/0.726, allocations: 0.7489 MB / 0.6686 GB, free: 1.352 MB / 0.4981 GB Notification: Performance of simCode: created event and clocks part: time 3.436e-06/0.726, allocations: 4.125 kB / 0.6686 GB, free: 1.348 MB / 0.4981 GB Notification: Performance of simCode: created simulation system equations: time 0.0006252/0.7267, allocations: 356.1 kB / 0.669 GB, free: 1.188 MB / 0.4981 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.00217/0.7288, allocations: 379.9 kB / 0.6693 GB, free: 1.094 MB / 0.4981 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.002841/0.7317, allocations: 1.842 MB / 0.6711 GB, free: 15.98 MB / 0.5137 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007755/0.7325, allocations: 0.9333 MB / 0.672 GB, free: 15.27 MB / 0.5137 GB Notification: Performance of simCode: alias equations: time 0.0009436/0.7334, allocations: 215.8 kB / 0.6722 GB, free: 15.23 MB / 0.5137 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0002031/0.7337, allocations: 81.98 kB / 0.6723 GB, free: 15.21 MB / 0.5137 GB Notification: Performance of SimCode: time 1.693e-06/0.7337, allocations: 0 / 0.6723 GB, free: 15.21 MB / 0.5137 GB Notification: Performance of Templates: time 0.04586/0.7795, allocations: 19.52 MB / 0.6914 GB, free: 9.402 MB / 0.5137 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore.sim & ./BuildSysPro_BuildSysPro.IBPSA.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Obsolete.Fluid.FixedResistances.BaseClasses.Validation.PlugFlowCore.pipe 2>&1)