Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.Fluid.Examples.Performance.Example2.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: "" <> buildModelFMU(Buildings.Fluid.Examples.Performance.Example2,fileNamePrefix="Buildings_8_Buildings_Fluid_Examples_Performance_Example2",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.Fluid.Examples.Performance.Example2,fileNamePrefix="Buildings_8_Buildings_Fluid_Examples_Performance_Example2",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 0.0008709/0.0008711, allocations: 91.3 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 0.006624/0.006624, 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 3.2.3+maint.om/package.mo): time 1.143/1.143, allocations: 205.4 MB / 222.4 MB, free: 5.57 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 1.455/1.455, allocations: 292.7 MB / 0.5502 GB, free: 14.46 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 0.0004493/0.0004493, allocations: 15.84 kB / 0.6744 GB, free: 25.8 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.164/0.1644, allocations: 116.3 MB / 0.788 GB, free: 11.5 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.Fluid.Examples.Performance.Example2): time 0.02394/0.1884, allocations: 28.82 MB / 0.8161 GB, free: 14.57 MB / 0.6387 GB Notification: Performance of NFInst.instExpressions: time 0.01461/0.2031, allocations: 12.79 MB / 0.8286 GB, free: 1.754 MB / 0.6387 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006609/0.2037, allocations: 43.69 kB / 0.8287 GB, free: 1.711 MB / 0.6387 GB Notification: Performance of NFTyping.typeComponents: time 0.001273/0.205, allocations: 0.5948 MB / 0.8292 GB, free: 1.113 MB / 0.6387 GB Notification: Performance of NFTyping.typeBindings: time 0.002252/0.2073, allocations: 1.338 MB / 0.8305 GB, free: 15.77 MB / 0.6544 GB Notification: Performance of NFTyping.typeClassSections: time 0.0022/0.2095, allocations: 1.234 MB / 0.8318 GB, free: 14.54 MB / 0.6544 GB Notification: Performance of NFFlatten.flatten: time 0.004038/0.2135, allocations: 4.992 MB / 0.8366 GB, free: 9.539 MB / 0.6544 GB Notification: Performance of NFFlatten.resolveConnections: time 0.001148/0.2147, allocations: 1.122 MB / 0.8377 GB, free: 8.387 MB / 0.6544 GB Notification: Performance of NFEvalConstants.evaluate: time 0.001495/0.2162, allocations: 1.245 MB / 0.8389 GB, free: 7.137 MB / 0.6544 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0009539/0.2172, allocations: 1.023 MB / 0.8399 GB, free: 6.109 MB / 0.6544 GB Notification: Performance of NFPackage.collectConstants: time 0.0001013/0.2173, allocations: 48 kB / 0.84 GB, free: 6.062 MB / 0.6544 GB Notification: Performance of NFFlatten.collectFunctions: time 0.001479/0.2188, allocations: 1.049 MB / 0.841 GB, free: 5.012 MB / 0.6544 GB Notification: Performance of NFScalarize.scalarize: time 0.0002743/0.219, allocations: 326.6 kB / 0.8413 GB, free: 4.691 MB / 0.6544 GB Notification: Performance of NFVerifyModel.verify: time 0.0005829/0.2196, allocations: 0.7166 MB / 0.842 GB, free: 3.965 MB / 0.6544 GB Notification: Performance of NFConvertDAE.convert: time 0.001943/0.2216, allocations: 2.328 MB / 0.8443 GB, free: 1.629 MB / 0.6544 GB Notification: Performance of FrontEnd - DAE generated: time 2.865e-06/0.2216, allocations: 0 / 0.8443 GB, free: 1.629 MB / 0.6544 GB Notification: Performance of FrontEnd: time 1.102e-06/0.2216, allocations: 4 kB / 0.8443 GB, free: 1.625 MB / 0.6544 GB Notification: Performance of Transformations before backend: time 1.179e-05/0.2216, allocations: 7.938 kB / 0.8443 GB, free: 1.617 MB / 0.6544 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 188 * Number of variables: 188 Notification: Performance of Generate backend data structure: time 0.002267/0.2239, allocations: 1.659 MB / 0.8459 GB, free: 15.9 MB / 0.67 GB Notification: Performance of prepare preOptimizeDAE: time 3.278e-05/0.2239, allocations: 11.97 kB / 0.8459 GB, free: 15.89 MB / 0.67 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.000137/0.2241, allocations: 130.7 kB / 0.8461 GB, free: 15.75 MB / 0.67 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.0008999/0.225, allocations: 258.8 kB / 0.8463 GB, free: 15.5 MB / 0.67 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.001873/0.2269, allocations: 1.308 MB / 0.8476 GB, free: 14.13 MB / 0.67 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 4.826e-05/0.2269, allocations: 66 kB / 0.8476 GB, free: 14.07 MB / 0.67 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0001247/0.2271, allocations: 84 kB / 0.8477 GB, free: 13.99 MB / 0.67 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.001454/0.2285, allocations: 0.9841 MB / 0.8487 GB, free: 12.95 MB / 0.67 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.028e-05/0.2285, allocations: 4 kB / 0.8487 GB, free: 12.95 MB / 0.67 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 7.017e-05/0.2286, allocations: 32 kB / 0.8487 GB, free: 12.91 MB / 0.67 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.485e-05/0.2286, allocations: 16 kB / 0.8487 GB, free: 12.9 MB / 0.67 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.001317/0.23, allocations: 0.7259 MB / 0.8494 GB, free: 12.18 MB / 0.67 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 0.004654/0.2346, allocations: 4.953 MB / 0.8543 GB, free: 6.867 MB / 0.67 GB Notification: Performance of preOpt comSubExp (simulation): time 0.001077/0.2357, allocations: 0.5817 MB / 0.8548 GB, free: 6.277 MB / 0.67 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0005775/0.2363, allocations: 333.1 kB / 0.8552 GB, free: 5.953 MB / 0.67 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001754/0.2381, allocations: 1.576 MB / 0.8567 GB, free: 4.227 MB / 0.67 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0006012/0.2387, allocations: 343 kB / 0.857 GB, free: 3.879 MB / 0.67 GB Notification: Performance of preOpt simplifyInStream (simulation): time 0.0002788/0.239, allocations: 95.47 kB / 0.8571 GB, free: 3.785 MB / 0.67 GB Notification: Performance of pre-optimization done (n=44): time 1.703e-06/0.239, allocations: 0 / 0.8571 GB, free: 3.785 MB / 0.67 GB Notification: Performance of matching and sorting (n=44): time 0.002714/0.2417, allocations: 1.169 MB / 0.8583 GB, free: 2.586 MB / 0.67 GB Notification: Performance of inlineWhenForInitialization (initialization): time 3.654e-05/0.2417, allocations: 63.39 kB / 0.8583 GB, free: 2.512 MB / 0.67 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0013/0.2431, allocations: 1.258 MB / 0.8596 GB, free: 1.238 MB / 0.67 GB Notification: Performance of collectPreVariables (initialization): time 5.181e-05/0.2431, allocations: 41.7 kB / 0.8596 GB, free: 1.191 MB / 0.67 GB Notification: Performance of collectInitialEqns (initialization): time 0.0004648/0.2436, allocations: 0.6449 MB / 0.8602 GB, free: 0.5391 MB / 0.67 GB Notification: Performance of collectInitialBindings (initialization): time 0.0001149/0.2437, allocations: 153.8 kB / 0.8604 GB, free: 396 kB / 0.67 GB Notification: Performance of simplifyInitialFunctions (initialization): time 8.075e-05/0.2438, allocations: 69.67 kB / 0.8604 GB, free: 320 kB / 0.67 GB Notification: Performance of setup shared object (initialization): time 0.0001074/0.2439, allocations: 341.9 kB / 0.8608 GB, free: 15.97 MB / 0.6856 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0005134/0.2444, allocations: 261.8 kB / 0.861 GB, free: 15.71 MB / 0.6856 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0007009/0.2451, allocations: 0.5926 MB / 0.8616 GB, free: 14.96 MB / 0.6856 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.001177/0.2463, allocations: 0.8145 MB / 0.8624 GB, free: 14.04 MB / 0.6856 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 3.527e-06/0.2463, allocations: 0 / 0.8624 GB, free: 14.04 MB / 0.6856 GB Notification: Performance of matching and sorting (n=85) (initialization): time 0.001909/0.2483, allocations: 1.098 MB / 0.8635 GB, free: 12.92 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 0.000183/0.2484, allocations: 351.4 kB / 0.8638 GB, free: 12.46 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 9.688e-06/0.2485, allocations: 8 kB / 0.8638 GB, free: 12.46 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005584/0.249, allocations: 188.7 kB / 0.864 GB, free: 12.27 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004672/0.2495, allocations: 135.8 kB / 0.8641 GB, free: 12.14 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.0006292/0.2501, allocations: 0.7747 MB / 0.8649 GB, free: 11.34 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0006202/0.2508, allocations: 72.45 kB / 0.8649 GB, free: 11.27 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 6.011e-05/0.2508, allocations: 43.98 kB / 0.865 GB, free: 11.22 MB / 0.6856 GB Notification: Performance of prepare postOptimizeDAE: time 7.263e-06/0.2509, allocations: 6.969 kB / 0.865 GB, free: 11.22 MB / 0.6856 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.001398/0.2523, allocations: 0.9206 MB / 0.8659 GB, free: 10.27 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.687e-06/0.2523, allocations: 12.56 kB / 0.8659 GB, free: 10.26 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0001761/0.2525, allocations: 116.7 kB / 0.866 GB, free: 10.14 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0004197/0.2529, allocations: 135.8 kB / 0.8661 GB, free: 10.01 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001794/0.2547, allocations: 2.159 MB / 0.8682 GB, free: 7.703 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.000544/0.2553, allocations: 76.5 kB / 0.8683 GB, free: 7.625 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 4.912e-05/0.2553, allocations: 35.98 kB / 0.8684 GB, free: 7.59 MB / 0.6856 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 35 * Number of states: 0 () * Number of discrete variables: 7 (pulse.count,$PRE.pulse.count,pulse.T_start,$PRE.pulse.T_start,$whenCondition1,nRes.y,from_dp.y) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (72): * Single equations (assignments): 69 * Array equations: 1 * Algorithm blocks: 1 * Record equations: 0 * 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 {(5,7)} Notification: Performance of prepare postOptimizeDAE: time 0.0004454/0.2558, allocations: 476.9 kB / 0.8688 GB, free: 7.113 MB / 0.6856 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000123/0.2559, allocations: 134.3 kB / 0.8689 GB, free: 6.98 MB / 0.6856 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001565/0.2575, allocations: 0.857 MB / 0.8698 GB, free: 6.109 MB / 0.6856 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 7.374e-06/0.2575, allocations: 8 kB / 0.8698 GB, free: 6.102 MB / 0.6856 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.402e-06/0.2575, allocations: 0 / 0.8698 GB, free: 6.102 MB / 0.6856 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.001231/0.2587, allocations: 0.8764 MB / 0.8706 GB, free: 5.152 MB / 0.6856 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 0.002491/0.2612, allocations: 1.857 MB / 0.8725 GB, free: 3.215 MB / 0.6856 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.896e-06/0.2612, allocations: 3.938 kB / 0.8725 GB, free: 3.211 MB / 0.6856 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0003424/0.2616, allocations: 80.02 kB / 0.8725 GB, free: 3.133 MB / 0.6856 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002424/0.2618, allocations: 124.7 kB / 0.8726 GB, free: 3.008 MB / 0.6856 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.954e-05/0.2619, allocations: 12 kB / 0.8727 GB, free: 2.996 MB / 0.6856 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.000528/0.2624, allocations: 0.759 MB / 0.8734 GB, free: 2.211 MB / 0.6856 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.292e-06/0.2624, allocations: 0 / 0.8734 GB, free: 2.211 MB / 0.6856 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.001837/0.2643, allocations: 1.19 MB / 0.8746 GB, free: 0.9922 MB / 0.6856 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0002989/0.2646, allocations: 271.4 kB / 0.8748 GB, free: 0.707 MB / 0.6856 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0001068/0.2647, allocations: 15.94 kB / 0.8748 GB, free: 0.6914 MB / 0.6856 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0005371/0.2652, allocations: 71.84 kB / 0.8749 GB, free: 0.6211 MB / 0.6856 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 7.896e-05/0.2653, allocations: 40.39 kB / 0.8749 GB, free: 0.582 MB / 0.6856 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 4.109e-05/0.2654, allocations: 23.97 kB / 0.875 GB, free: 0.5586 MB / 0.6856 GB Notification: Performance of sorting global known variables: time 0.000924/0.2663, allocations: 0.866 MB / 0.8758 GB, free: 15.69 MB / 0.7012 GB Notification: Performance of sort global known variables: time 1.3e-07/0.2663, allocations: 0 / 0.8758 GB, free: 15.69 MB / 0.7012 GB Notification: Performance of remove unused functions: time 0.001352/0.2677, allocations: 0.6395 MB / 0.8764 GB, free: 15.05 MB / 0.7012 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 3 * Number of states: 1 (pump_dp.vol.dynBal.U) * Number of discrete variables: 3 ($whenCondition1,pulse.T_start,pulse.count) * Number of discrete states: 1 (pulse.count) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (39): * Single equations (assignments): 33 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 3 * When equations: 2 * 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 {(5,7)} Notification: Performance of Backend phase and start with SimCode phase: time 0.002544/0.2702, allocations: 1.941 MB / 0.8783 GB, free: 13.07 MB / 0.7012 GB Notification: Performance of simCode: created initialization part: time 0.002141/0.2724, allocations: 1.32 MB / 0.8796 GB, free: 11.72 MB / 0.7012 GB Notification: Performance of simCode: created event and clocks part: time 3.818e-06/0.2724, allocations: 8 kB / 0.8796 GB, free: 11.71 MB / 0.7012 GB Notification: Performance of simCode: created simulation system equations: time 0.0006356/0.273, allocations: 323.1 kB / 0.8799 GB, free: 11.4 MB / 0.7012 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.002241/0.2753, allocations: 0.5667 MB / 0.8805 GB, free: 10.84 MB / 0.7012 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01436/0.2896, allocations: 10.42 MB / 0.8907 GB, free: 15.86 MB / 0.7169 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007223/0.2904, allocations: 1.275 MB / 0.8919 GB, free: 14.56 MB / 0.7169 GB Notification: Performance of simCode: alias equations: time 0.0008936/0.2913, allocations: 294.5 kB / 0.8922 GB, free: 14.27 MB / 0.7169 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0005414/0.2918, allocations: 0.4953 MB / 0.8927 GB, free: 13.77 MB / 0.7169 GB Notification: Performance of SimCode: time 3e-07/0.2918, allocations: 0 / 0.8927 GB, free: 13.77 MB / 0.7169 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 3.709/4.001, allocations: 34.49 MB / 0.9264 GB, free: 130.9 MB / 0.7325 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.00022/4.001, allocations: 265.8 kB / 0.9266 GB, free: 130.6 MB / 0.7325 GB Notification: Performance of buildModelFMU: Generate platform static: time 2.806/6.807, allocations: 0 / 0.9266 GB, free: 130.6 MB / 0.7325 GB (rm -f Buildings_8_Buildings.Fluid.Examples.Performance.Example2.pipe ; mkfifo Buildings_8_Buildings.Fluid.Examples.Performance.Example2.pipe ; head -c 1048576 < Buildings_8_Buildings.Fluid.Examples.Performance.Example2.pipe >> ../files/Buildings_8_Buildings.Fluid.Examples.Performance.Example2.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_Fluid_Examples_Performance_Example2_fmu --startTime=0 --stopTime=20 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_Fluid_Examples_Performance_Example2.fmu > Buildings_8_Buildings.Fluid.Examples.Performance.Example2.pipe 2>&1)