Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.Hydraulics.NonInvertibleConfig.SteadyState_OFF_BWD.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/BoundaryInitBlocks 1.0.0-master/package.mo", uses=false) Using package BoundaryInitBlocks with version 1.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BoundaryInitBlocks 1.0.0-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) Ignoring simflag -noemit -variableFilter=.* since it seems broken on HelloWorld Running command: "" <> buildModelFMU(BoundaryInitBlocks.Examples.Tests.Hydraulics.NonInvertibleConfig.SteadyState_OFF_BWD,fileNamePrefix="BoundaryInitBlocks_BoundaryInitBlocks_Examples_Tests_Hydraulics_NonInvertibleConfig_SteadyState_OFF_BWD",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BoundaryInitBlocks.Examples.Tests.Hydraulics.NonInvertibleConfig.SteadyState_OFF_BWD,fileNamePrefix="BoundaryInitBlocks_BoundaryInitBlocks_Examples_Tests_Hydraulics_NonInvertibleConfig_SteadyState_OFF_BWD",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 0.001419/0.001419, allocations: 108 kB / 15.6 MB, free: 132 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001505/0.001505, allocations: 194.4 kB / 16.53 MB, free: 6.391 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.475/1.475, allocations: 222.9 MB / 240.2 MB, free: 4.387 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BoundaryInitBlocks 1.0.0-master/package.mo): time 0.008156/0.008156, allocations: 1.325 MB / 291.7 MB, free: 1.043 MB / 238.1 MB Notification: Performance of FrontEnd - loaded program: time 0.003242/0.003242, allocations: 67.89 kB / 355.4 MB, free: 14.74 MB / 254.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2674/0.2707, allocations: 49.73 MB / 405.1 MB, free: 11.95 MB / 286.1 MB Notification: Performance of NFInst.instantiate(BoundaryInitBlocks.Examples.Tests.Hydraulics.NonInvertibleConfig.SteadyState_OFF_BWD): time 0.00316/0.2739, allocations: 1.641 MB / 406.8 MB, free: 10.8 MB / 286.1 MB Notification: Performance of NFInst.instExpressions: time 0.0009027/0.2748, allocations: 0.5177 MB / 407.3 MB, free: 10.44 MB / 286.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 6.784e-05/0.2749, allocations: 5.219 kB / 407.3 MB, free: 10.44 MB / 286.1 MB Notification: Performance of NFTyping.typeComponents: time 0.000131/0.2751, allocations: 14.67 kB / 407.3 MB, free: 10.43 MB / 286.1 MB Notification: Performance of NFTyping.typeBindings: time 4.48e-05/0.2751, allocations: 18.47 kB / 407.3 MB, free: 10.41 MB / 286.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0002119/0.2753, allocations: 81.19 kB / 407.4 MB, free: 10.37 MB / 286.1 MB Notification: Performance of NFFlatten.flatten: time 0.0001659/0.2755, allocations: 135.2 kB / 407.5 MB, free: 10.31 MB / 286.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001295/0.2756, allocations: 41.44 kB / 407.6 MB, free: 10.29 MB / 286.1 MB Notification: Performance of NFEvalConstants.evaluate: time 4.04e-05/0.2757, allocations: 32.61 kB / 407.6 MB, free: 10.27 MB / 286.1 MB Notification: Performance of NFSimplifyModel.simplify: time 7.213e-05/0.2758, allocations: 35.64 kB / 407.6 MB, free: 10.25 MB / 286.1 MB Notification: Performance of NFPackage.collectConstants: time 2.048e-05/0.2758, allocations: 7.344 kB / 407.6 MB, free: 10.25 MB / 286.1 MB Notification: Performance of NFFlatten.collectFunctions: time 1.578e-05/0.2758, allocations: 6.219 kB / 407.6 MB, free: 10.25 MB / 286.1 MB Notification: Performance of NFScalarize.scalarize: time 2.24e-05/0.2758, allocations: 16.84 kB / 407.7 MB, free: 10.24 MB / 286.1 MB Notification: Performance of NFVerifyModel.verify: time 4.282e-05/0.2759, allocations: 50 kB / 407.7 MB, free: 10.2 MB / 286.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0001188/0.276, allocations: 88.33 kB / 407.8 MB, free: 10.16 MB / 286.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.619e-06/0.276, allocations: 0.75 kB / 407.8 MB, free: 10.16 MB / 286.1 MB Notification: Performance of FrontEnd: time 1.412e-06/0.276, allocations: 0 / 407.8 MB, free: 10.16 MB / 286.1 MB Notification: Performance of Transformations before backend: time 6.091e-06/0.276, allocations: 1.125 kB / 407.8 MB, free: 10.16 MB / 286.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 16 * Number of variables: 16 Notification: Performance of Generate backend data structure: time 0.0003974/0.2764, allocations: 413.2 kB / 408.2 MB, free: 9.758 MB / 286.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.989e-05/0.2765, allocations: 13.83 kB / 408.2 MB, free: 9.754 MB / 286.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 2.83e-05/0.2765, allocations: 37.77 kB / 408.2 MB, free: 9.711 MB / 286.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 3.312e-05/0.2766, allocations: 11.31 kB / 408.3 MB, free: 9.707 MB / 286.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001576/0.2767, allocations: 204.5 kB / 408.5 MB, free: 9.488 MB / 286.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 9.768e-06/0.2767, allocations: 11.06 kB / 408.5 MB, free: 9.48 MB / 286.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 2.608e-05/0.2768, allocations: 13.5 kB / 408.5 MB, free: 9.473 MB / 286.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001354/0.2769, allocations: 93.47 kB / 408.6 MB, free: 9.398 MB / 286.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 7.935e-06/0.2769, allocations: 0 / 408.6 MB, free: 9.398 MB / 286.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.01e-05/0.2769, allocations: 1 kB / 408.6 MB, free: 9.398 MB / 286.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.673e-06/0.277, allocations: 2.156 kB / 408.6 MB, free: 9.398 MB / 286.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 7.04e-05/0.277, allocations: 32.56 kB / 408.6 MB, free: 9.387 MB / 286.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0005328/0.2776, allocations: 0.5193 MB / 409.1 MB, free: 8.898 MB / 286.1 MB Notification: Performance of preOpt comSubExp (simulation): time 6.805e-05/0.2776, allocations: 39.86 kB / 409.2 MB, free: 8.863 MB / 286.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 2.743e-05/0.2777, allocations: 15.73 kB / 409.2 MB, free: 8.852 MB / 286.1 MB Notification: Performance of preOpt evalFunc (simulation): time 1.225e-05/0.2777, allocations: 0 / 409.2 MB, free: 8.852 MB / 286.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.526e-05/0.2777, allocations: 35.2 kB / 409.2 MB, free: 8.809 MB / 286.1 MB Notification: Performance of pre-optimization done (n=3): time 8.22e-07/0.2777, allocations: 1.969 kB / 409.2 MB, free: 8.809 MB / 286.1 MB Notification: Performance of matching and sorting (n=3): time 0.0001639/0.2779, allocations: 61.02 kB / 409.3 MB, free: 8.762 MB / 286.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.426e-05/0.2779, allocations: 52.41 kB / 409.3 MB, free: 8.699 MB / 286.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0001407/0.2781, allocations: 175.8 kB / 409.5 MB, free: 8.57 MB / 286.1 MB Notification: Performance of collectPreVariables (initialization): time 1.095e-05/0.2781, allocations: 35.77 kB / 409.5 MB, free: 8.531 MB / 286.1 MB Notification: Performance of collectInitialEqns (initialization): time 5.609e-05/0.2782, allocations: 120.6 kB / 409.7 MB, free: 8.418 MB / 286.1 MB Notification: Performance of collectInitialBindings (initialization): time 1.31e-05/0.2782, allocations: 19.48 kB / 409.7 MB, free: 8.402 MB / 286.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 4.711e-05/0.2782, allocations: 32.19 kB / 409.7 MB, free: 8.379 MB / 286.1 MB Notification: Performance of setup shared object (initialization): time 5.452e-05/0.2783, allocations: 321 kB / 410 MB, free: 8.062 MB / 286.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 4.819e-05/0.2783, allocations: 28.19 kB / 410 MB, free: 8.047 MB / 286.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 6.481e-05/0.2784, allocations: 82.75 kB / 410.1 MB, free: 7.961 MB / 286.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 9.863e-05/0.2785, allocations: 103.9 kB / 410.2 MB, free: 7.859 MB / 286.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.916e-06/0.2785, allocations: 1.156 kB / 410.2 MB, free: 7.859 MB / 286.1 MB Notification: Performance of matching and sorting (n=16) (initialization): time 0.0001762/0.2787, allocations: 135.2 kB / 410.4 MB, free: 7.785 MB / 286.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.58e-05/0.2787, allocations: 5.156 kB / 410.4 MB, free: 7.785 MB / 286.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 7.143e-06/0.2787, allocations: 8.172 kB / 410.4 MB, free: 7.781 MB / 286.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 1.65e-05/0.2788, allocations: 1.969 kB / 410.4 MB, free: 7.781 MB / 286.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0001184/0.2789, allocations: 32.97 kB / 410.4 MB, free: 7.773 MB / 286.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 7.845e-06/0.2789, allocations: 3.797 kB / 410.4 MB, free: 7.773 MB / 286.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 6.207e-05/0.279, allocations: 16.16 kB / 410.4 MB, free: 7.762 MB / 286.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.232e-05/0.279, allocations: 10.44 kB / 410.4 MB, free: 7.758 MB / 286.1 MB Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 6.897e-05/0.2791, allocations: 105.6 kB / 410.5 MB, free: 7.668 MB / 286.1 MB Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 6.537e-05/0.2791, allocations: 87.88 kB / 410.6 MB, free: 7.578 MB / 286.1 MB Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 9.401e-05/0.2792, allocations: 105.1 kB / 410.7 MB, free: 7.477 MB / 286.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 2.013e-06/0.2792, allocations: 5.109 kB / 410.7 MB, free: 7.473 MB / 286.1 MB Notification: Performance of matching and sorting (n=16) (initialization_lambda0): time 0.000179/0.2794, allocations: 128.9 kB / 410.9 MB, free: 7.402 MB / 286.1 MB Notification: Performance of prepare postOptimizeDAE: time 9.698e-06/0.2794, allocations: 12.88 kB / 410.9 MB, free: 7.398 MB / 286.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 2.625e-06/0.2795, allocations: 1.625 kB / 410.9 MB, free: 7.398 MB / 286.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 4.288e-06/0.2795, allocations: 8.031 kB / 410.9 MB, free: 7.395 MB / 286.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 8.699e-05/0.2796, allocations: 24.47 kB / 410.9 MB, free: 7.395 MB / 286.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.472e-06/0.2796, allocations: 7.844 kB / 410.9 MB, free: 7.391 MB / 286.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 5.325e-05/0.2796, allocations: 11.56 kB / 410.9 MB, free: 7.383 MB / 286.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 8.065e-06/0.2796, allocations: 6.344 kB / 410.9 MB, free: 7.383 MB / 286.1 MB Notification: Model statistics after passing the back-end for initialization: * 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 initialization (16): * Single equations (assignments): 16 * 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 6.516e-05/0.2797, allocations: 183.4 kB / 411.1 MB, free: 7.199 MB / 286.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 3.096e-05/0.2797, allocations: 16 kB / 411.1 MB, free: 7.188 MB / 286.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 3.121e-05/0.2798, allocations: 17.12 kB / 411.1 MB, free: 7.172 MB / 286.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.625e-06/0.2798, allocations: 1.562 kB / 411.1 MB, free: 7.172 MB / 286.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.668e-06/0.2798, allocations: 5 kB / 411.1 MB, free: 7.168 MB / 286.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.266e-06/0.2798, allocations: 3.984 kB / 411.2 MB, free: 7.164 MB / 286.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0002567/0.2801, allocations: 323.3 kB / 411.5 MB, free: 6.836 MB / 286.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 3.116e-06/0.2801, allocations: 1.797 kB / 411.5 MB, free: 6.836 MB / 286.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 7.519e-05/0.2802, allocations: 9.344 kB / 411.5 MB, free: 6.836 MB / 286.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 2.505e-06/0.2802, allocations: 1.062 kB / 411.5 MB, free: 6.836 MB / 286.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 7.995e-06/0.2802, allocations: 0 / 411.5 MB, free: 6.836 MB / 286.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.655e-06/0.2802, allocations: 9.734 kB / 411.5 MB, free: 6.828 MB / 286.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.565e-06/0.2802, allocations: 5.281 kB / 411.5 MB, free: 6.824 MB / 286.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0001335/0.2803, allocations: 165.4 kB / 411.7 MB, free: 6.668 MB / 286.1 MB Notification: Performance of postOpt removeConstants (simulation): time 3.862e-05/0.2804, allocations: 90.23 kB / 411.7 MB, free: 6.566 MB / 286.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.907e-05/0.2804, allocations: 2.141 kB / 411.7 MB, free: 6.566 MB / 286.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 5.95e-05/0.2805, allocations: 5.281 kB / 411.8 MB, free: 6.562 MB / 286.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 2.014e-05/0.2805, allocations: 2.828 kB / 411.8 MB, free: 6.562 MB / 286.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.068e-06/0.2805, allocations: 5.438 kB / 411.8 MB, free: 6.559 MB / 286.1 MB Notification: Performance of sorting global known variables: time 7.891e-05/0.2806, allocations: 119.9 kB / 411.9 MB, free: 6.473 MB / 286.1 MB Notification: Performance of sort global known variables: time 1.21e-07/0.2806, allocations: 0 / 411.9 MB, free: 6.473 MB / 286.1 MB Notification: Performance of remove unused functions: time 0.0003435/0.281, allocations: 35.66 kB / 411.9 MB, free: 6.465 MB / 286.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 2 * Number of states: 1 (tank.l) * 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 (3): * Single equations (assignments): 3 * 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 Backend phase and start with SimCode phase: time 0.0002818/0.2812, allocations: 0.7056 MB / 412.6 MB, free: 5.773 MB / 286.1 MB Notification: Performance of simCode: created initialization part: time 0.0002025/0.2815, allocations: 102.3 kB / 412.7 MB, free: 5.742 MB / 286.1 MB Notification: Performance of simCode: created event and clocks part: time 2.485e-06/0.2815, allocations: 0 / 412.7 MB, free: 5.742 MB / 286.1 MB Notification: Performance of simCode: created simulation system equations: time 1.79e-05/0.2815, allocations: 9.766 kB / 412.7 MB, free: 5.738 MB / 286.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004292/0.2819, allocations: 48.44 kB / 412.8 MB, free: 5.723 MB / 286.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001326/0.2833, allocations: 1.732 MB / 414.5 MB, free: 4.184 MB / 286.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001141/0.2834, allocations: 0.6981 MB / 415.2 MB, free: 3.488 MB / 286.1 MB Notification: Performance of simCode: alias equations: time 7.039e-05/0.2835, allocations: 14.14 kB / 415.2 MB, free: 3.484 MB / 286.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 4.555e-05/0.2835, allocations: 31.64 kB / 415.2 MB, free: 3.461 MB / 286.1 MB Notification: Performance of SimCode: time 2.5e-07/0.2835, allocations: 0 / 415.2 MB, free: 3.461 MB / 286.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.02732/0.3108, allocations: 2.526 MB / 417.8 MB, free: 3.066 MB / 286.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 7.49/7.801, allocations: 13.22 kB / 417.8 MB, free: 3.055 MB / 286.1 MB (rm -f BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.Hydraulics.NonInvertibleConfig.SteadyState_OFF_BWD.pipe ; mkfifo BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.Hydraulics.NonInvertibleConfig.SteadyState_OFF_BWD.pipe ; head -c 1048576 < BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.Hydraulics.NonInvertibleConfig.SteadyState_OFF_BWD.pipe >> ../files/BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.Hydraulics.NonInvertibleConfig.SteadyState_OFF_BWD.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_BoundaryInitBlocks_BoundaryInitBlocks_Examples_Tests_Hydraulics_NonInvertibleConfig_SteadyState_OFF_BWD_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 BoundaryInitBlocks_BoundaryInitBlocks_Examples_Tests_Hydraulics_NonInvertibleConfig_SteadyState_OFF_BWD.fmu > BoundaryInitBlocks_BoundaryInitBlocks.Examples.Tests.Hydraulics.NonInvertibleConfig.SteadyState_OFF_BWD.pipe 2>&1)