Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr OpenIPSL_release_OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI.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/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) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/package.mo", uses=false) Using package OpenIPSL with version 3.1.0-dev (/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/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) 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) Running command: translateModel(OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_release_OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI") translateModel(OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="OpenIPSL_release_OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI") Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00785/0.00785, allocations: 168.6 kB / 15.12 MB, free: 5.559 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.276/1.276, allocations: 223.2 MB / 239 MB, free: 1.766 MB / 186.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.0008326/0.0008326, allocations: 102.8 kB / 290.2 MB, free: 13.93 MB / 234.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/OpenIPSL 3.1.0-master/package.mo): time 0.428/0.428, allocations: 78.59 MB / 419.9 MB, free: 44.22 MB / 330.7 MB Notification: Performance of FrontEnd - loaded program: time 0.0003236/0.0003236, allocations: 12 kB / 499.8 MB, free: 2.93 MB / 362.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.3111/0.3115, allocations: 69.36 MB / 0.5558 GB, free: 38.85 MB / 426.7 MB Notification: Performance of NFInst.instantiate(OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI): time 0.009124/0.3206, allocations: 11.84 MB / 0.5673 GB, free: 33.24 MB / 426.7 MB Notification: Performance of NFInst.instExpressions: time 0.007887/0.3286, allocations: 3.567 MB / 0.5708 GB, free: 30.67 MB / 426.7 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.003301/0.3319, allocations: 37.91 kB / 0.5709 GB, free: 30.67 MB / 426.7 MB Notification: Performance of NFTyping.typeComponents: time 0.001955/0.3339, allocations: 388.4 kB / 0.5712 GB, free: 30.5 MB / 426.7 MB Notification: Performance of NFTyping.typeBindings: time 0.005009/0.3389, allocations: 1.33 MB / 0.5725 GB, free: 29.57 MB / 426.7 MB Notification: Performance of NFTyping.typeClassSections: time 0.00336/0.3423, allocations: 1.313 MB / 0.5738 GB, free: 28.9 MB / 426.7 MB Notification: Performance of NFFlatten.flatten: time 0.004082/0.3464, allocations: 2.33 MB / 0.5761 GB, free: 27.64 MB / 426.7 MB Notification: Performance of NFFlatten.resolveConnections: time 0.000895/0.3473, allocations: 0.6843 MB / 0.5768 GB, free: 27.31 MB / 426.7 MB Notification: Performance of NFEvalConstants.evaluate: time 0.001558/0.3489, allocations: 1.279 MB / 0.578 GB, free: 26.71 MB / 426.7 MB Notification: Performance of NFSimplifyModel.simplify: time 0.001487/0.3504, allocations: 1.651 MB / 0.5796 GB, free: 25.98 MB / 426.7 MB Notification: Performance of NFPackage.collectConstants: time 0.0003023/0.3507, allocations: 135.8 kB / 0.5797 GB, free: 25.98 MB / 426.7 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0006443/0.3513, allocations: 259.3 kB / 0.58 GB, free: 25.94 MB / 426.7 MB Notification: Performance of NFScalarize.scalarize: time 0.0003658/0.3517, allocations: 0.5956 MB / 0.5806 GB, free: 25.61 MB / 426.7 MB Notification: Performance of NFVerifyModel.verify: time 0.0003885/0.3521, allocations: 0.5147 MB / 0.5811 GB, free: 25.29 MB / 426.7 MB Notification: Performance of NFConvertDAE.convert: time 0.001974/0.3541, allocations: 2.783 MB / 0.5838 GB, free: 24.43 MB / 426.7 MB Notification: Performance of FrontEnd - DAE generated: time 2.625e-06/0.3541, allocations: 0 / 0.5838 GB, free: 24.43 MB / 426.7 MB Notification: Performance of FrontEnd: time 2.084e-06/0.3541, allocations: 3.938 kB / 0.5838 GB, free: 24.42 MB / 426.7 MB Notification: Performance of Transformations before backend: time 5.11e-05/0.3542, allocations: 0 / 0.5838 GB, free: 24.42 MB / 426.7 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 516 * Number of variables: 516 Notification: Performance of Generate backend data structure: time 0.01993/0.3741, allocations: 6.114 MB / 0.5898 GB, free: 22.18 MB / 426.7 MB Notification: Performance of prepare preOptimizeDAE: time 3.477e-05/0.3742, allocations: 12.47 kB / 0.5898 GB, free: 22.17 MB / 426.7 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0142/0.3884, allocations: 2.297 MB / 0.592 GB, free: 21.75 MB / 426.7 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.00376/0.3922, allocations: 1.764 MB / 0.5937 GB, free: 20.7 MB / 426.7 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.000596/0.3928, allocations: 0.6945 MB / 0.5944 GB, free: 20.11 MB / 426.7 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.000706/0.3935, allocations: 219.2 kB / 0.5946 GB, free: 20.04 MB / 426.7 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.006882/0.4004, allocations: 3.211 MB / 0.5978 GB, free: 18.85 MB / 426.7 MB Notification: Performance of preOpt findStateOrder (simulation): time 4.92e-05/0.4005, allocations: 0 / 0.5978 GB, free: 18.85 MB / 426.7 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002437/0.4007, allocations: 84.97 kB / 0.5979 GB, free: 18.79 MB / 426.7 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.826e-05/0.4008, allocations: 53.45 kB / 0.5979 GB, free: 18.78 MB / 426.7 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.006266/0.4071, allocations: 3.021 MB / 0.6009 GB, free: 17.81 MB / 426.7 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 0.01967/0.4267, allocations: 10.48 MB / 0.6111 GB, free: 11.8 MB / 426.7 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0117/0.4385, allocations: 4.775 MB / 0.6157 GB, free: 10.09 MB / 426.7 MB Notification: Performance of preOpt evalFunc (simulation): time 0.0004409/0.439, allocations: 41.95 kB / 0.6158 GB, free: 10.08 MB / 426.7 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.506e-05/0.439, allocations: 61.69 kB / 0.6158 GB, free: 10.02 MB / 426.7 MB Notification: Performance of pre-optimization done (n=241): time 4.348e-06/0.439, allocations: 0 / 0.6158 GB, free: 10.02 MB / 426.7 MB Notification: Performance of matching and sorting (n=241): time 0.1261/0.5651, allocations: 34.55 MB / 0.6496 GB, free: 9.422 MB / 458.7 MB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0001083/0.5653, allocations: 235.6 kB / 0.6498 GB, free: 9.145 MB / 458.7 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.003374/0.5686, allocations: 2.253 MB / 0.652 GB, free: 6.883 MB / 458.7 MB Notification: Performance of collectPreVariables (initialization): time 0.0006146/0.5693, allocations: 69.7 kB / 0.6521 GB, free: 6.809 MB / 458.7 MB Notification: Performance of collectInitialEqns (initialization): time 0.0008359/0.5701, allocations: 1.179 MB / 0.6532 GB, free: 5.617 MB / 458.7 MB Notification: Performance of collectInitialBindings (initialization): time 0.000963/0.5711, allocations: 0.8433 MB / 0.6541 GB, free: 4.762 MB / 458.7 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0002371/0.5713, allocations: 64 kB / 0.6541 GB, free: 4.699 MB / 458.7 MB Notification: Performance of setup shared object (initialization): time 0.0001756/0.5715, allocations: 424.4 kB / 0.6545 GB, free: 4.277 MB / 458.7 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.004483/0.576, allocations: 2.126 MB / 0.6566 GB, free: 2.148 MB / 458.7 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.004832/0.5808, allocations: 2.485 MB / 0.659 GB, free: 15.57 MB / 474.7 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.005212/0.5861, allocations: 2.389 MB / 0.6614 GB, free: 13.13 MB / 474.7 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.083e-05/0.5861, allocations: 4 kB / 0.6614 GB, free: 13.13 MB / 474.7 MB Notification: Performance of matching and sorting (n=393) (initialization): time 0.04514/0.6313, allocations: 15.06 MB / 0.6761 GB, free: 14 MB / 490.7 MB Notification: Performance of prepare postOptimizeDAE: time 0.0009335/0.6322, allocations: 2.84 MB / 0.6788 GB, free: 10.9 MB / 490.7 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 1.95e-05/0.6323, allocations: 12 kB / 0.6788 GB, free: 10.89 MB / 490.7 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.01996/0.6522, allocations: 6.376 MB / 0.6851 GB, free: 4.504 MB / 490.7 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002789/0.6551, allocations: 0.5305 MB / 0.6856 GB, free: 3.973 MB / 490.7 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.06609/0.7212, allocations: 26.05 MB / 0.711 GB, free: 9.77 MB / 0.5105 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004854/0.7261, allocations: 0.5559 MB / 0.7116 GB, free: 9.211 MB / 0.5105 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0006605/0.7268, allocations: 112 kB / 0.7117 GB, free: 9.102 MB / 0.5105 GB Notification: Performance of prepare postOptimizeDAE: time 1.329e-05/0.7268, allocations: 4 kB / 0.7117 GB, free: 9.098 MB / 0.5105 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.04416/0.771, allocations: 14.73 MB / 0.7261 GB, free: 10.3 MB / 0.5261 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.444e-05/0.771, allocations: 8 kB / 0.7261 GB, free: 10.29 MB / 0.5261 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.01993/0.791, allocations: 6.38 MB / 0.7323 GB, free: 3.906 MB / 0.5261 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.002849/0.7939, allocations: 0.511 MB / 0.7328 GB, free: 3.395 MB / 0.5261 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0643/0.8582, allocations: 26.06 MB / 0.7583 GB, free: 9.18 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.004412/0.8626, allocations: 0.5172 MB / 0.7588 GB, free: 8.66 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0004145/0.8631, allocations: 112 kB / 0.7589 GB, free: 8.551 MB / 0.5573 GB Warning: Assuming fixed start value for the following 6 variables: order3_1.e1q:VARIABLE(start = order3_1.e1q0 unit = "1" fixed = true ) "q-axis transient voltage" type: Real order3_1.w:VARIABLE(flow=false start = 1.0 fixed = true ) "Rotor speed [pu]" type: Real order3_1.delta:VARIABLE(flow=false start = order3_1.delta0 unit = "rad" fixed = true ) "Rotor angle" type: Real order2.w:VARIABLE(flow=false start = 1.0 fixed = true ) "Rotor speed [pu]" type: Real order2.delta:VARIABLE(flow=false start = order2.delta0 unit = "rad" fixed = true ) "Rotor angle" type: Real order3_2.w:VARIABLE(flow=false start = 1.0 fixed = true ) "Rotor speed [pu]" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 29 * 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 (305): * Single equations (assignments): 300 * Array equations: 0 * Algorithm blocks: 4 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 1 {64 25} Notification: Performance of prepare postOptimizeDAE: time 0.001438/0.8645, allocations: 0.6069 MB / 0.7595 GB, free: 7.922 MB / 0.5573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0006688/0.8652, allocations: 292.3 kB / 0.7597 GB, free: 7.633 MB / 0.5573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.2473/1.112, allocations: 14.49 MB / 0.7739 GB, free: 163.3 MB / 0.5573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.548e-05/1.113, allocations: 28.69 kB / 0.7739 GB, free: 163.3 MB / 0.5573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 2.376e-05/1.113, allocations: 17.53 kB / 0.7739 GB, free: 163.3 MB / 0.5573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 6.378e-05/1.113, allocations: 9.891 kB / 0.774 GB, free: 163.3 MB / 0.5573 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 postOpt removeSimpleEquations (simulation): time 0.04569/1.158, allocations: 18.35 MB / 0.7919 GB, free: 162.1 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.232e-05/1.158, allocations: 1.094 kB / 0.7919 GB, free: 162.1 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.001755/1.16, allocations: 278.7 kB / 0.7921 GB, free: 162.1 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.01874/1.179, allocations: 6.026 MB / 0.798 GB, free: 161.7 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0005653/1.179, allocations: 49.39 kB / 0.7981 GB, free: 161.7 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.05144/1.231, allocations: 22.72 MB / 0.8203 GB, free: 153.8 MB / 0.5573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 2.956e-06/1.231, allocations: 3.219 kB / 0.8203 GB, free: 153.8 MB / 0.5573 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.04432/1.275, allocations: 17.07 MB / 0.8369 GB, free: 138.4 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0009232/1.276, allocations: 412.3 kB / 0.8373 GB, free: 138 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005952/1.277, allocations: 51.94 kB / 0.8374 GB, free: 137.9 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.002921/1.28, allocations: 399.7 kB / 0.8378 GB, free: 137.5 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.001579/1.281, allocations: 0.5503 MB / 0.8383 GB, free: 137 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0001758/1.282, allocations: 60 kB / 0.8383 GB, free: 136.9 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.001843/1.283, allocations: 1.479 MB / 0.8398 GB, free: 135.4 MB / 0.5573 GB Notification: Performance of sort global known variables: time 2.91e-07/1.283, allocations: 0 / 0.8398 GB, free: 135.4 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.003935/1.287, allocations: 1.901 MB / 0.8416 GB, free: 133.6 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 16 (order3_2.delta,order3_2.w,order3_2.e1q,order2.delta,order2.w,order3_1.delta,order3_1.w,order3_1.e1q,Exc1.firstOrder.y,Exc1.firstOrder2.y,Exc1.transferFunction.x_scaled[1],Exc1.transferFunction.x_scaled[2],Exc2.firstOrder.y,Exc2.firstOrder2.y,Exc2.transferFunction.x_scaled[1],Exc2.transferFunction.x_scaled[2]) * 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 (162): * Single equations (assignments): 159 * Array equations: 0 * Algorithm blocks: 2 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 1 {(63,8.1%) 25} * Non-linear torn systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0003656/1.288, allocations: 167 kB / 0.8418 GB, free: 133.4 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.03005/1.318, allocations: 12.85 MB / 0.8544 GB, free: 120.5 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 4.669e-06/1.318, allocations: 0 / 0.8544 GB, free: 120.5 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.01254/1.33, allocations: 4.758 MB / 0.859 GB, free: 115.7 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001573/1.332, allocations: 221.8 kB / 0.8592 GB, free: 115.4 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.007862/1.34, allocations: 6.448 MB / 0.8655 GB, free: 108.9 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0009377/1.341, allocations: 1.895 MB / 0.8674 GB, free: 107 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.001469/1.342, allocations: 337.8 kB / 0.8677 GB, free: 106.7 MB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005289/1.343, allocations: 159.4 kB / 0.8678 GB, free: 106.5 MB / 0.5573 GB Notification: Performance of SimCode: time 6.82e-07/1.343, allocations: 0 / 0.8678 GB, free: 106.5 MB / 0.5573 GB Notification: Performance of Templates: time 0.08518/1.428, allocations: 73.91 MB / 0.94 GB, free: 32.57 MB / 0.5573 GB make -j1 -f OpenIPSL_release_OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI.makefile (rm -f OpenIPSL_release_OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI.pipe ; mkfifo OpenIPSL_release_OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI.pipe ; head -c 1048576 < OpenIPSL_release_OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI.pipe >> ../files/OpenIPSL_release_OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI.sim & ./OpenIPSL_release_OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI -abortSlowSimulation -alarm=480 -lv LOG_STATS > OpenIPSL_release_OpenIPSL.Examples.PSATSystems.ThreeArea.ThirdOrder_AVRI.pipe 2>&1)