Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_C.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+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/ModelicaServices 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo", uses=false) Using package ThermoPower with version 3.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo) Using package ModelicaServices with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/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 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Running command: "" <> buildModelFMU(ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_C,fileNamePrefix="ThermoPower_ThermoPower_Test_DistributedParameterComponents_TestWaterFlow1DFV2ph_C",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_C,fileNamePrefix="ThermoPower_ThermoPower_Test_DistributedParameterComponents_TestWaterFlow1DFV2ph_C",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001899/0.001899, allocations: 180.2 kB / 16.38 MB, free: 5.766 MB / 13.93 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.813/1.813, allocations: 205.4 MB / 222.5 MB, free: 9.117 MB / 186.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001148/0.001148, allocations: 96.95 kB / 270.9 MB, free: 8.375 MB / 218.7 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ThermoPower 3.1.0-master/package.mo): time 0.4999/0.4999, allocations: 48.78 MB / 367.9 MB, free: 47.41 MB / 298.7 MB Warning: Ignoring unknown experiment annotation option: __Dymola_NumberOfIntervals = 2000 Notification: Performance of FrontEnd - loaded program: time 0.000351/0.0003511, allocations: 8 kB / 438.7 MB, free: 10.89 MB / 330.7 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1468/0.1471, allocations: 60.24 MB / 499 MB, free: 14.5 MB / 394.7 MB Notification: Performance of FrontEnd - scodeFlatten: time 6.816/6.963, allocations: 2.974 GB / 3.461 GB, free: 49.46 MB / 0.5105 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002502/6.964, allocations: 80.88 kB / 3.461 GB, free: 49.38 MB / 0.5105 GB Notification: Performance of FrontEnd - DAE generated: time 1.362/8.326, allocations: 326.5 MB / 3.78 GB, free: 52.51 MB / 0.5105 GB Notification: Performance of FrontEnd: time 2.434e-06/8.326, allocations: 0 / 3.78 GB, free: 52.51 MB / 0.5105 GB Notification: Performance of Transformations before backend: time 0.0001004/8.326, allocations: 61.61 kB / 3.78 GB, free: 52.5 MB / 0.5105 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 853 * Number of variables: 853 Notification: Performance of Generate backend data structure: time 0.05461/8.381, allocations: 12.29 MB / 3.792 GB, free: 50.47 MB / 0.5105 GB Notification: Performance of prepare preOptimizeDAE: time 5.083e-05/8.381, allocations: 7.688 kB / 3.792 GB, free: 50.47 MB / 0.5105 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.00659/8.387, allocations: 0.5494 MB / 3.793 GB, free: 50.41 MB / 0.5105 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01156/8.399, allocations: 1.014 MB / 3.794 GB, free: 50.25 MB / 0.5105 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.01423/8.413, allocations: 3.353 MB / 3.797 GB, free: 49.84 MB / 0.5105 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.008002/8.421, allocations: 2.346 MB / 3.799 GB, free: 49.2 MB / 0.5105 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.005371/8.427, allocations: 327 kB / 3.799 GB, free: 49.2 MB / 0.5105 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.07301/8.5, allocations: 26.61 MB / 3.825 GB, free: 48.41 MB / 0.5105 GB Notification: Performance of preOpt findStateOrder (simulation): time 9.559e-05/8.5, allocations: 0 / 3.825 GB, free: 48.41 MB / 0.5105 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.004262/8.504, allocations: 130.3 kB / 3.826 GB, free: 48.41 MB / 0.5105 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0001747/8.504, allocations: 173.6 kB / 3.826 GB, free: 48.4 MB / 0.5105 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.1145/8.619, allocations: 48.47 MB / 3.873 GB, free: 25.02 MB / 0.5105 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 0.4032/9.022, allocations: 72.35 MB / 3.944 GB, free: 46.74 MB / 0.5261 GB Notification: Performance of preOpt comSubExp (simulation): time 0.05098/9.073, allocations: 21.34 MB / 3.965 GB, free: 46.69 MB / 0.5261 GB Notification: Performance of preOpt evalFunc (simulation): time 0.1446/9.218, allocations: 75.55 MB / 4.038 GB, free: 19.05 MB / 0.5417 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0001618/9.218, allocations: 80.11 kB / 4.038 GB, free: 19.01 MB / 0.5417 GB Notification: Performance of pre-optimization done (n=371): time 1.092e-05/9.218, allocations: 0 / 4.038 GB, free: 19.01 MB / 0.5417 GB Notification: Performance of matching and sorting (n=373): time 0.2964/9.514, allocations: 93.15 MB / 4.129 GB, free: 124 kB / 0.5573 GB Notification: Performance of inlineWhenForInitialization (initialization): time 6.773e-05/9.514, allocations: 96.95 kB / 4.129 GB, free: 16 kB / 0.5573 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.2523/9.767, allocations: 0.6897 MB / 4.13 GB, free: 96.62 MB / 0.5573 GB Notification: Performance of collectPreVariables (initialization): time 0.004266/9.771, allocations: 92.45 kB / 4.13 GB, free: 96.59 MB / 0.5573 GB Notification: Performance of collectInitialEqns (initialization): time 0.0005808/9.772, allocations: 0.7899 MB / 4.131 GB, free: 96.49 MB / 0.5573 GB Notification: Performance of collectInitialBindings (initialization): time 0.004892/9.777, allocations: 1.277 MB / 4.132 GB, free: 95.68 MB / 0.5573 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003433/9.78, allocations: 67.78 kB / 4.132 GB, free: 95.68 MB / 0.5573 GB Notification: Performance of setup shared object (initialization): time 0.0005097/9.78, allocations: 495.9 kB / 4.133 GB, free: 95.36 MB / 0.5573 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.04284/9.823, allocations: 18.23 MB / 4.151 GB, free: 95.36 MB / 0.5573 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.04238/9.866, allocations: 18.62 MB / 4.169 GB, free: 95.06 MB / 0.5573 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.3623/10.23, allocations: 133.5 MB / 4.299 GB, free: 52.96 MB / 0.5573 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.702e-05/10.23, allocations: 4 kB / 4.299 GB, free: 52.96 MB / 0.5573 GB Notification: Performance of matching and sorting (n=419) (initialization): time 0.574/10.8, allocations: 98.3 MB / 4.395 GB, free: 92.55 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 0.0007446/10.8, allocations: 2.197 MB / 4.397 GB, free: 90.25 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.452e-05/10.8, allocations: 4.531 kB / 4.397 GB, free: 90.25 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.2415/11.04, allocations: 104 MB / 4.499 GB, free: 51.41 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003212/11.05, allocations: 0.5542 MB / 4.499 GB, free: 51.02 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.3991/11.45, allocations: 61.81 MB / 4.56 GB, free: 89.28 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02611/11.47, allocations: 4.439 MB / 4.564 GB, free: 89.28 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.00775/11.48, allocations: 0.6386 MB / 4.565 GB, free: 89.28 MB / 0.5573 GB Notification: Performance of prepare postOptimizeDAE: time 3.624e-05/11.48, allocations: 4.219 kB / 4.565 GB, free: 89.28 MB / 0.5573 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.3036/11.78, allocations: 97.27 MB / 4.66 GB, free: 76.62 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 6.265e-05/11.78, allocations: 8 kB / 4.66 GB, free: 76.61 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.5881/12.37, allocations: 104.3 MB / 4.762 GB, free: 94.27 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.003068/12.38, allocations: 0.5314 MB / 4.762 GB, free: 94.27 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1256/12.5, allocations: 61.82 MB / 4.822 GB, free: 82.96 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.02576/12.53, allocations: 4.416 MB / 4.827 GB, free: 82.65 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.006024/12.53, allocations: 0.6223 MB / 4.827 GB, free: 82.65 MB / 0.5573 GB Warning: The initial conditions are over specified. The following 1 initial equations are redundant, so they are removed from the initialization sytem: $DER.hex.p = 0.0. Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 25 * Number of states: 0 () * Number of discrete variables: 20 (hex.fluidState[20].phase,hex.fluidState[19].phase,hex.fluidState[18].phase,hex.fluidState[17].phase,hex.fluidState[16].phase,hex.fluidState[15].phase,hex.fluidState[14].phase,hex.fluidState[13].phase,hex.fluidState[12].phase,hex.fluidState[11].phase,hex.fluidState[10].phase,hex.fluidState[9].phase,hex.fluidState[8].phase,hex.fluidState[7].phase,hex.fluidState[6].phase,hex.fluidState[5].phase,hex.fluidState[4].phase,hex.fluidState[3].phase,hex.fluidState[2].phase,hex.fluidState[1].phase) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (251): * Single equations (assignments): 231 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 1 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 19 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 0 * Non-linear torn systems: 19 {1 9,1 9,1 9,1 9,1 9,1 9,1 9,1 9,1 9,1 9,1 9,1 9,1 9,1 9,1 9,1 9,1 9,1 9,1 5} Notification: Performance of prepare postOptimizeDAE: time 0.01261/12.55, allocations: 0.9242 MB / 4.828 GB, free: 82.46 MB / 0.5573 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.005847/12.55, allocations: 190.9 kB / 4.828 GB, free: 82.46 MB / 0.5573 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.1333/12.69, allocations: 73.62 MB / 4.9 GB, free: 37.49 MB / 0.5573 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.4506/13.14, allocations: 73.54 MB / 4.972 GB, free: 93.38 MB / 0.5573 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.742e-05/13.14, allocations: 8 kB / 4.972 GB, free: 93.38 MB / 0.5573 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.0001333/13.14, allocations: 19.27 kB / 4.972 GB, free: 93.38 MB / 0.5573 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.2212/13.36, allocations: 123.5 MB / 5.093 GB, free: 40.43 MB / 0.5573 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.638e-05/13.36, allocations: 14.53 kB / 5.093 GB, free: 40.41 MB / 0.5573 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.02909/13.39, allocations: 5.452 MB / 5.098 GB, free: 37.02 MB / 0.5573 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.005084/13.39, allocations: 1.672 MB / 5.1 GB, free: 35.82 MB / 0.5573 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.007187/13.4, allocations: 429.1 kB / 5.1 GB, free: 35.64 MB / 0.5573 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.023/13.42, allocations: 30.95 MB / 5.13 GB, free: 4.629 MB / 0.5573 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.208e-05/13.42, allocations: 15.28 kB / 5.13 GB, free: 4.617 MB / 0.5573 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.4897/13.91, allocations: 58.24 MB / 5.187 GB, free: 87.23 MB / 0.5573 GB Notification: Performance of postOpt removeConstants (simulation): time 0.012/13.92, allocations: 2.661 MB / 5.19 GB, free: 86.86 MB / 0.5573 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.00531/13.93, allocations: 110.3 kB / 5.19 GB, free: 86.86 MB / 0.5573 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.02464/13.95, allocations: 4.392 MB / 5.194 GB, free: 86.84 MB / 0.5573 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.004746/13.96, allocations: 0.6874 MB / 5.195 GB, free: 86.84 MB / 0.5573 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.005037/13.96, allocations: 432.9 kB / 5.195 GB, free: 86.84 MB / 0.5573 GB Notification: Performance of sorting global known variables: time 0.0009526/13.96, allocations: 0.5174 MB / 5.196 GB, free: 86.74 MB / 0.5573 GB Notification: Performance of sort global known variables: time 7.11e-07/13.96, allocations: 0 / 5.196 GB, free: 86.74 MB / 0.5573 GB Notification: Performance of remove unused functions: time 0.02829/13.99, allocations: 4.601 MB / 5.2 GB, free: 86.7 MB / 0.5573 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 41 * Number of states: 20 (Mbal,hex.htilde[1],hex.htilde[2],hex.htilde[3],hex.htilde[4],hex.htilde[5],hex.htilde[6],hex.htilde[7],hex.htilde[8],hex.htilde[9],hex.htilde[10],hex.htilde[11],hex.htilde[12],hex.htilde[13],hex.htilde[14],hex.htilde[15],hex.htilde[16],hex.htilde[17],hex.htilde[18],hex.htilde[19]) * Number of discrete variables: 82 ($cse2.phase,$cse2.region,$cse3.phase,$cse3.region,$cse4.phase,$cse4.region,$cse5.phase,$cse5.region,$cse6.phase,$cse6.region,$cse7.phase,$cse7.region,$cse8.phase,$cse8.region,$cse9.phase,$cse9.region,$cse10.phase,$cse10.region,$cse11.phase,$cse11.region,$cse12.phase,$cse12.region,$cse13.phase,$cse13.region,$cse14.phase,$cse14.region,$cse15.phase,$cse15.region,$cse16.phase,$cse16.region,$cse17.phase,$cse17.region,$cse18.phase,$cse18.region,$cse19.phase,$cse19.region,$cse20.phase,$cse20.region,$cse21.phase,$cse21.region,$cse22.phase,$cse22.region,$cse23.phase,$cse23.region,$cse24.phase,$cse24.region,$cse25.phase,$cse25.region,$cse26.phase,$cse26.region,$cse27.phase,$cse27.region,$cse28.phase,$cse28.region,$cse29.phase,$cse29.region,$cse30.phase,$cse30.region,$cse31.phase,$cse31.region,$cse32.phase,$cse32.region,$cse33.phase,$cse33.region,$cse34.phase,$cse34.region,$cse35.phase,$cse35.region,$cse36.phase,$cse36.region,$cse37.phase,$cse37.region,$cse38.phase,$cse38.region,$cse39.phase,$cse39.region,$cse40.phase,$cse40.region,$cse41.phase,$cse41.region,$cse42.region3boundary,$cse43.region3boundary) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (378): * Single equations (assignments): 316 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 43 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 19 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 19 {(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2,(1,100.0%) 2} * Non-linear torn systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.17/14.16, allocations: 62.8 MB / 5.262 GB, free: 67.46 MB / 0.5573 GB Notification: Performance of simCode: created initialization part: time 0.1456/14.31, allocations: 60.3 MB / 5.321 GB, free: 20.16 MB / 0.5573 GB Notification: Performance of simCode: created event and clocks part: time 1.892e-05/14.31, allocations: 4 kB / 5.321 GB, free: 20.15 MB / 0.5573 GB Notification: Performance of simCode: created simulation system equations: time 0.3688/14.68, allocations: 25.89 MB / 5.346 GB, free: 85.84 MB / 0.5573 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.009836/14.69, allocations: 0.9451 MB / 5.347 GB, free: 85.84 MB / 0.5573 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.5109/15.2, allocations: 168.9 MB / 5.512 GB, free: 43.37 MB / 0.5573 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.004034/15.2, allocations: 2.788 MB / 5.515 GB, free: 41.2 MB / 0.5573 GB Notification: Performance of simCode: alias equations: time 0.01809/15.22, allocations: 4.292 MB / 5.519 GB, free: 38.25 MB / 0.5573 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.01829/15.24, allocations: 2.222 MB / 5.521 GB, free: 36.61 MB / 0.5573 GB Notification: Performance of SimCode: time 1.123e-05/15.24, allocations: 0 / 5.521 GB, free: 36.61 MB / 0.5573 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 1.729/16.97, allocations: 0.5411 GB / 6.062 GB, free: 127.4 MB / 0.6042 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001945/16.97, allocations: 228.8 kB / 6.062 GB, free: 127.2 MB / 0.6042 GB Notification: Performance of buildModelFMU: Generate platform static: time 17.73/34.7, allocations: 3.344 kB / 6.062 GB, free: 127.2 MB / 0.6042 GB (rm -f ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_C.pipe ; mkfifo ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_C.pipe ; head -c 1048576 < ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_C.pipe >> ../files/ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_C.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_ThermoPower_ThermoPower_Test_DistributedParameterComponents_TestWaterFlow1DFV2ph_C_fmu --startTime=0 --stopTime=250 --timeout=50 --tolerance=1e-09 ThermoPower_ThermoPower_Test_DistributedParameterComponents_TestWaterFlow1DFV2ph_C.fmu > ThermoPower_ThermoPower.Test.DistributedParameterComponents.TestWaterFlow1DFV2ph_C.pipe 2>&1)