Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.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/package.mo", uses=false) Using package BuildSysPro with version 3.5.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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: translateModel(BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear") translateModel(BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.006773/0.006773, allocations: 103 kB / 15.73 MB, free: 6.043 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001441/0.001441, allocations: 194.1 kB / 16.68 MB, free: 5.965 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.349/1.349, allocations: 222.9 MB / 240.4 MB, free: 4.16 MB / 190.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildSysPro 3.6.0/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/package.mo): time 0.9873/0.9873, allocations: 143 MB / 433.6 MB, free: 11.42 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.001253/0.001253, allocations: 63.91 kB / 0.5955 GB, free: 8.387 MB / 0.4981 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.4384/0.4396, allocations: 82.03 MB / 0.6756 GB, free: 1.461 MB / 0.4981 GB Notification: Performance of NFInst.instantiate(BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear): time 0.06041/0.5001, allocations: 58.72 MB / 0.733 GB, free: 11.59 MB / 0.5606 GB Notification: Performance of NFInst.instExpressions: time 0.03037/0.5305, allocations: 20.04 MB / 0.7525 GB, free: 7.488 MB / 0.5762 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.004571/0.5351, allocations: 91.5 kB / 0.7526 GB, free: 7.398 MB / 0.5762 GB Notification: Performance of NFTyping.typeComponents: time 0.006551/0.5418, allocations: 2.005 MB / 0.7546 GB, free: 5.387 MB / 0.5762 GB Notification: Performance of NFTyping.typeBindings: time 0.009676/0.5515, allocations: 2.974 MB / 0.7575 GB, free: 2.398 MB / 0.5762 GB Notification: Performance of NFTyping.typeClassSections: time 0.006839/0.5583, allocations: 2.347 MB / 0.7598 GB, free: 64 kB / 0.5762 GB Notification: Performance of NFFlatten.flatten: time 0.02158/0.58, allocations: 14.5 MB / 0.774 GB, free: 1.539 MB / 0.5919 GB Notification: Performance of NFFlatten.resolveConnections: time 0.003922/0.5839, allocations: 1.847 MB / 0.7758 GB, free: 15.66 MB / 0.6075 GB Notification: Performance of NFEvalConstants.evaluate: time 0.005908/0.5898, allocations: 2.143 MB / 0.7778 GB, free: 13.52 MB / 0.6075 GB Notification: Performance of NFSimplifyModel.simplify: time 0.00325/0.5931, allocations: 1.618 MB / 0.7794 GB, free: 11.89 MB / 0.6075 GB Notification: Performance of NFPackage.collectConstants: time 0.0009151/0.594, allocations: 216 kB / 0.7796 GB, free: 11.68 MB / 0.6075 GB Notification: Performance of NFFlatten.collectFunctions: time 0.005564/0.5996, allocations: 2.355 MB / 0.7819 GB, free: 9.32 MB / 0.6075 GB Notification: Performance of NFScalarize.scalarize: time 0.001433/0.6011, allocations: 0.9035 MB / 0.7828 GB, free: 8.414 MB / 0.6075 GB Notification: Performance of NFVerifyModel.verify: time 0.005147/0.6063, allocations: 1.45 MB / 0.7842 GB, free: 6.957 MB / 0.6075 GB Notification: Performance of NFConvertDAE.convert: time 0.01223/0.6185, allocations: 4.965 MB / 0.7891 GB, free: 1.977 MB / 0.6075 GB Notification: Performance of FrontEnd - DAE generated: time 6.683e-06/0.6186, allocations: 3.938 kB / 0.7891 GB, free: 1.973 MB / 0.6075 GB Notification: Performance of FrontEnd: time 2.044e-06/0.6186, allocations: 0 / 0.7891 GB, free: 1.973 MB / 0.6075 GB Notification: Performance of Transformations before backend: time 0.0001662/0.6187, allocations: 0 / 0.7891 GB, free: 1.973 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: 270 * Number of variables: 270 Notification: Performance of Generate backend data structure: time 0.007159/0.6259, allocations: 3.324 MB / 0.7923 GB, free: 14.57 MB / 0.6231 GB Notification: Performance of prepare preOptimizeDAE: time 5.289e-05/0.626, allocations: 12.03 kB / 0.7923 GB, free: 14.55 MB / 0.6231 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.005556/0.6315, allocations: 0.9378 MB / 0.7933 GB, free: 13.61 MB / 0.6231 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.009131/0.6407, allocations: 3.612 MB / 0.7968 GB, free: 9.934 MB / 0.6231 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001531/0.6409, allocations: 86.12 kB / 0.7969 GB, free: 9.848 MB / 0.6231 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004446/0.6414, allocations: 124 kB / 0.797 GB, free: 9.727 MB / 0.6231 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.00384/0.6452, allocations: 1.531 MB / 0.7985 GB, free: 8.121 MB / 0.6231 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.72e-05/0.6453, allocations: 0 / 0.7985 GB, free: 8.121 MB / 0.6231 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0001566/0.6454, allocations: 44 kB / 0.7985 GB, free: 8.078 MB / 0.6231 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 2.651e-05/0.6455, allocations: 32 kB / 0.7986 GB, free: 8.047 MB / 0.6231 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.003594/0.6491, allocations: 1.343 MB / 0.7999 GB, free: 6.695 MB / 0.6231 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 0.01161/0.6607, allocations: 7.191 MB / 0.8069 GB, free: 15.07 MB / 0.6387 GB Notification: Performance of preOpt comSubExp (simulation): time 0.003171/0.6639, allocations: 1.064 MB / 0.8079 GB, free: 13.99 MB / 0.6387 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.001264/0.6652, allocations: 0.5105 MB / 0.8084 GB, free: 13.48 MB / 0.6387 GB Notification: Performance of preOpt evalFunc (simulation): time 0.00521/0.6704, allocations: 3.055 MB / 0.8114 GB, free: 10.14 MB / 0.6387 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.271e-05/0.6705, allocations: 43 kB / 0.8114 GB, free: 10.09 MB / 0.6387 GB Notification: Performance of pre-optimization done (n=60): time 2.294e-06/0.6705, allocations: 0 / 0.8114 GB, free: 10.09 MB / 0.6387 GB Notification: Performance of matching and sorting (n=60): time 0.005595/0.6761, allocations: 1.747 MB / 0.8132 GB, free: 8.312 MB / 0.6387 GB Notification: Performance of inlineWhenForInitialization (initialization): time 4.23e-05/0.6762, allocations: 63.91 kB / 0.8132 GB, free: 8.238 MB / 0.6387 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.005883/0.6821, allocations: 2.724 MB / 0.8159 GB, free: 5.5 MB / 0.6387 GB Notification: Performance of collectPreVariables (initialization): time 0.0002309/0.6823, allocations: 45.7 kB / 0.8159 GB, free: 5.449 MB / 0.6387 GB Notification: Performance of collectInitialEqns (initialization): time 0.001143/0.6835, allocations: 1.072 MB / 0.817 GB, free: 4.367 MB / 0.6387 GB Notification: Performance of collectInitialBindings (initialization): time 0.0003348/0.6838, allocations: 217 kB / 0.8172 GB, free: 4.152 MB / 0.6387 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0008897/0.6847, allocations: 447 kB / 0.8176 GB, free: 3.707 MB / 0.6387 GB Notification: Performance of setup shared object (initialization): time 0.0001519/0.6849, allocations: 305.1 kB / 0.8179 GB, free: 3.406 MB / 0.6387 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.00218/0.6871, allocations: 1.153 MB / 0.819 GB, free: 2.25 MB / 0.6387 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002504/0.6896, allocations: 1.578 MB / 0.8206 GB, free: 0.5156 MB / 0.6387 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.004366/0.694, allocations: 2.461 MB / 0.823 GB, free: 13.95 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 9.207e-06/0.694, allocations: 0 / 0.823 GB, free: 13.95 MB / 0.6544 GB Notification: Performance of matching and sorting (n=236) (initialization): time 0.006287/0.7003, allocations: 3.061 MB / 0.8259 GB, free: 10.87 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 3.251e-05/0.7003, allocations: 13.75 kB / 0.826 GB, free: 10.86 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.918e-05/0.7004, allocations: 8 kB / 0.826 GB, free: 10.85 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0004763/0.7008, allocations: 120.7 kB / 0.8261 GB, free: 10.73 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001459/0.7023, allocations: 347.5 kB / 0.8264 GB, free: 10.39 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0005999/0.7029, allocations: 0.6147 MB / 0.827 GB, free: 9.75 MB / 0.6544 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002269/0.7052, allocations: 231.9 kB / 0.8272 GB, free: 9.523 MB / 0.6544 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002173/0.7054, allocations: 104 kB / 0.8273 GB, free: 9.422 MB / 0.6544 GB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.002906/0.7084, allocations: 1.507 MB / 0.8288 GB, free: 7.91 MB / 0.6544 GB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.002254/0.7106, allocations: 1.379 MB / 0.8302 GB, free: 6.383 MB / 0.6544 GB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.00365/0.7143, allocations: 2.098 MB / 0.8322 GB, free: 4.172 MB / 0.6544 GB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.439e-05/0.7143, allocations: 4 kB / 0.8322 GB, free: 4.168 MB / 0.6544 GB Notification: Performance of matching and sorting (n=236) (initialization_lambda0): time 0.005598/0.7199, allocations: 2.694 MB / 0.8348 GB, free: 1.461 MB / 0.6544 GB Notification: Performance of prepare postOptimizeDAE: time 1.869e-05/0.72, allocations: 8 kB / 0.8348 GB, free: 1.453 MB / 0.6544 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.761e-05/0.72, allocations: 8 kB / 0.8349 GB, free: 1.445 MB / 0.6544 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005412/0.7205, allocations: 120.8 kB / 0.835 GB, free: 1.324 MB / 0.6544 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0013/0.7219, allocations: 339.7 kB / 0.8353 GB, free: 0.9922 MB / 0.6544 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.004384/0.7263, allocations: 2.883 MB / 0.8381 GB, free: 13.89 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002205/0.7285, allocations: 194.9 kB / 0.8383 GB, free: 13.7 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.000229/0.7287, allocations: 83.97 kB / 0.8384 GB, free: 13.61 MB / 0.67 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 37 * 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 (166): * Single equations (assignments): 161 * Array equations: 2 * Algorithm blocks: 0 * Record equations: 2 * When equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,4)} Notification: Performance of prepare postOptimizeDAE: time 0.0005101/0.7292, allocations: 259.8 kB / 0.8386 GB, free: 13.35 MB / 0.67 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.00062/0.7299, allocations: 244.7 kB / 0.8389 GB, free: 13.11 MB / 0.67 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.00431/0.7342, allocations: 1.597 MB / 0.8404 GB, free: 11.51 MB / 0.67 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.959e-05/0.7342, allocations: 12 kB / 0.8404 GB, free: 11.5 MB / 0.67 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 7.213e-06/0.7342, allocations: 3.938 kB / 0.8404 GB, free: 11.5 MB / 0.67 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.007e-05/0.7342, allocations: 11.92 kB / 0.8404 GB, free: 11.48 MB / 0.67 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006799/0.7411, allocations: 3.204 MB / 0.8436 GB, free: 8.191 MB / 0.67 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.26e-06/0.7411, allocations: 0 / 0.8436 GB, free: 8.191 MB / 0.67 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0009019/0.742, allocations: 176 kB / 0.8437 GB, free: 8.02 MB / 0.67 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002462/0.7422, allocations: 64.81 kB / 0.8438 GB, free: 7.953 MB / 0.67 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 9.876e-05/0.7424, allocations: 35.91 kB / 0.8438 GB, free: 7.918 MB / 0.67 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.0004267/0.7428, allocations: 0.5953 MB / 0.8444 GB, free: 7.297 MB / 0.67 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 5.35e-06/0.7428, allocations: 7.938 kB / 0.8444 GB, free: 7.289 MB / 0.67 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.003631/0.7464, allocations: 1.542 MB / 0.8459 GB, free: 5.699 MB / 0.67 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001514/0.748, allocations: 453.4 kB / 0.8464 GB, free: 5.234 MB / 0.67 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.000609/0.7486, allocations: 23.92 kB / 0.8464 GB, free: 5.211 MB / 0.67 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.001425/0.75, allocations: 79.92 kB / 0.8465 GB, free: 5.133 MB / 0.67 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00011/0.7501, allocations: 60.42 kB / 0.8465 GB, free: 5.074 MB / 0.67 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.000101/0.7502, allocations: 43.97 kB / 0.8466 GB, free: 5.031 MB / 0.67 GB Notification: Performance of sorting global known variables: time 0.003234/0.7535, allocations: 1.821 MB / 0.8483 GB, free: 3.211 MB / 0.67 GB Notification: Performance of sort global known variables: time 2.4e-07/0.7535, allocations: 4 kB / 0.8483 GB, free: 3.207 MB / 0.67 GB Notification: Performance of remove unused functions: time 0.003988/0.7575, allocations: 1.256 MB / 0.8496 GB, free: 1.949 MB / 0.67 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 9 * 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 (71): * Single equations (assignments): 62 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 8 * When equations: 0 * 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): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,5)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002009/0.7595, allocations: 0.8008 MB / 0.8504 GB, free: 1.156 MB / 0.67 GB Notification: Performance of simCode: created initialization part: time 0.007651/0.7672, allocations: 3.491 MB / 0.8538 GB, free: 13.65 MB / 0.6856 GB Notification: Performance of simCode: created event and clocks part: time 6.692e-06/0.7672, allocations: 3.938 kB / 0.8538 GB, free: 13.65 MB / 0.6856 GB Notification: Performance of simCode: created simulation system equations: time 0.001611/0.7688, allocations: 0.5984 MB / 0.8543 GB, free: 13.05 MB / 0.6856 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.005889/0.7747, allocations: 1.244 MB / 0.8556 GB, free: 11.85 MB / 0.6856 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.008396/0.7832, allocations: 4.162 MB / 0.8596 GB, free: 7.629 MB / 0.6856 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001685/0.7849, allocations: 1.752 MB / 0.8613 GB, free: 5.844 MB / 0.6856 GB Notification: Performance of simCode: alias equations: time 0.00287/0.7878, allocations: 0.7184 MB / 0.862 GB, free: 5.133 MB / 0.6856 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.000693/0.7885, allocations: 203.3 kB / 0.8622 GB, free: 4.934 MB / 0.6856 GB Notification: Performance of SimCode: time 1.172e-06/0.7885, allocations: 0 / 0.8622 GB, free: 4.934 MB / 0.6856 GB Notification: Performance of Templates: time 0.4182/1.207, allocations: 55.65 MB / 0.9166 GB, free: 143.3 MB / 0.6856 GB make -j1 -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.makefile (rm -f BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe ; mkfifo BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe ; head -c 1048576 < BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe >> ../files/BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.sim & ./BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear -abortSlowSimulation -alarm=480 -lv LOG_STATS > BuildSysPro_BuildSysPro.IBPSA.Fluid.Movers.Validation.SpeedControlled_y_linear.pipe 2>&1)