Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.CubicHermite.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/NcDataReader2 2.5.1-master/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo", uses=false) Using package BuildingSystems with version 2.0.0-beta (/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo) Using package NcDataReader2 with version 2.5.1 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-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) Running command: "" <> buildModelFMU(BuildingSystems.Utilities.Math.Functions.Examples.CubicHermite,fileNamePrefix="BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_CubicHermite",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(BuildingSystems.Utilities.Math.Functions.Examples.CubicHermite,fileNamePrefix="BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_CubicHermite",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 0.0007872/0.0007872, allocations: 86.95 kB / 15.06 MB, free: 1.09 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.00088/0.0008805, allocations: 168.7 kB / 15.95 MB, free: 204 kB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.256/1.256, allocations: 223.3 MB / 240 MB, free: 5.414 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/NcDataReader2 2.5.1-master/package.mo): time 0.001657/0.001658, allocations: 278.9 kB / 291.3 MB, free: 1.969 MB / 238.1 MB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:5:3-5:34:writable] Warning: Got element f_alp that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:6:3-6:35:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_lay but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:6:3-6:35:writable] Warning: Got element f_lay that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:7:3-7:37:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_loss but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:7:3-7:37:writable] Warning: Got element f_loss that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:8:3-8:33:writable] Warning: Elements in the package.mo-file need to be in the same relative order as the package.order file. Got element named f_pv but it was already added because it was not the next element in the list at that time. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:8:3-8:33:writable] Warning: Got element f_pv that was not referenced in the package.order file. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/Buildings/Airvolumes/Parameter/package.mo:2:1-34:14:writable] Warning: f_pv was referenced in the package.order file, but was not found in package.mo, f_pv/package.mo or f_pv.mo. Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/BuildingSystems 2.0.0-master/package.mo): time 0.778/0.778, allocations: 144.7 MB / 487.2 MB, free: 7.121 MB / 350.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0004076/0.0004077, allocations: 15.84 kB / 0.5686 GB, free: 38.39 MB / 430.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1438/0.1442, allocations: 83.09 MB / 0.6497 GB, free: 3.422 MB / 446.1 MB Notification: Performance of NFInst.instantiate(BuildingSystems.Utilities.Math.Functions.Examples.CubicHermite): time 0.0007545/0.145, allocations: 327.7 kB / 0.65 GB, free: 3.102 MB / 446.1 MB Notification: Performance of NFInst.instExpressions: time 0.001631/0.1467, allocations: 1.329 MB / 0.6513 GB, free: 1.758 MB / 446.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 3.166e-05/0.1467, allocations: 0 / 0.6513 GB, free: 1.758 MB / 446.1 MB Notification: Performance of NFTyping.typeComponents: time 4.518e-05/0.1468, allocations: 5.938 kB / 0.6513 GB, free: 1.754 MB / 446.1 MB Notification: Performance of NFTyping.typeBindings: time 3.935e-05/0.1468, allocations: 0 / 0.6513 GB, free: 1.754 MB / 446.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.0005337/0.1474, allocations: 141.7 kB / 0.6515 GB, free: 1.621 MB / 446.1 MB Notification: Performance of NFFlatten.flatten: time 6.337e-05/0.1475, allocations: 39.89 kB / 0.6515 GB, free: 1.582 MB / 446.1 MB Notification: Performance of NFFlatten.resolveConnections: time 3.808e-05/0.1475, allocations: 0 / 0.6515 GB, free: 1.582 MB / 446.1 MB Notification: Performance of NFEvalConstants.evaluate: time 3.46e-05/0.1475, allocations: 15.98 kB / 0.6515 GB, free: 1.566 MB / 446.1 MB Notification: Performance of NFSimplifyModel.simplify: time 6.16e-05/0.1476, allocations: 31.89 kB / 0.6516 GB, free: 1.535 MB / 446.1 MB Notification: Performance of NFPackage.collectConstants: time 1.49e-05/0.1476, allocations: 4 kB / 0.6516 GB, free: 1.531 MB / 446.1 MB Notification: Performance of NFFlatten.collectFunctions: time 0.0002625/0.1479, allocations: 180.2 kB / 0.6517 GB, free: 1.355 MB / 446.1 MB Notification: Performance of NFScalarize.scalarize: time 2.95e-05/0.1479, allocations: 20.33 kB / 0.6518 GB, free: 1.336 MB / 446.1 MB Notification: Performance of NFVerifyModel.verify: time 3.175e-05/0.148, allocations: 30.23 kB / 0.6518 GB, free: 1.301 MB / 446.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0001656/0.1481, allocations: 127.8 kB / 0.6519 GB, free: 1.176 MB / 446.1 MB Notification: Performance of FrontEnd - DAE generated: time 4.078e-06/0.1482, allocations: 0.75 kB / 0.6519 GB, free: 1.176 MB / 446.1 MB Notification: Performance of FrontEnd: time 1.123e-06/0.1482, allocations: 0 / 0.6519 GB, free: 1.176 MB / 446.1 MB Notification: Performance of Transformations before backend: time 5.4e-06/0.1482, allocations: 1.188 kB / 0.6519 GB, free: 1.176 MB / 446.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 4 * Number of variables: 4 Notification: Performance of Generate backend data structure: time 0.0003839/0.1486, allocations: 430.8 kB / 0.6523 GB, free: 0.6953 MB / 446.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.297e-05/0.1486, allocations: 8.75 kB / 0.6523 GB, free: 0.6875 MB / 446.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 3.29e-05/0.1486, allocations: 34.56 kB / 0.6524 GB, free: 0.6445 MB / 446.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 2.645e-05/0.1487, allocations: 9.156 kB / 0.6524 GB, free: 0.6367 MB / 446.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0001307/0.1488, allocations: 171 kB / 0.6525 GB, free: 440 kB / 446.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.549e-05/0.1488, allocations: 7.953 kB / 0.6525 GB, free: 432 kB / 446.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 1.431e-05/0.1489, allocations: 0.6562 kB / 0.6525 GB, free: 432 kB / 446.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0001679/0.149, allocations: 94.23 kB / 0.6526 GB, free: 332 kB / 446.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 6.913e-06/0.149, allocations: 0.5312 kB / 0.6526 GB, free: 332 kB / 446.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.049e-05/0.1491, allocations: 4 kB / 0.6526 GB, free: 328 kB / 446.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 3.717e-06/0.1491, allocations: 0.625 kB / 0.6526 GB, free: 328 kB / 446.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 9.3e-05/0.1492, allocations: 65.12 kB / 0.6527 GB, free: 264 kB / 446.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.0001547/0.1493, allocations: 169.6 kB / 0.6529 GB, free: 44 kB / 446.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0001189/0.1495, allocations: 91.89 kB / 0.6529 GB, free: 15.95 MB / 462.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 8.196e-05/0.1495, allocations: 68.89 kB / 0.653 GB, free: 15.88 MB / 462.1 MB Notification: Performance of preOpt evalFunc (simulation): time 6.823e-06/0.1496, allocations: 0 / 0.653 GB, free: 15.88 MB / 462.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.386e-05/0.1496, allocations: 40.64 kB / 0.6531 GB, free: 15.83 MB / 462.1 MB Notification: Performance of pre-optimization done (n=4): time 7.72e-07/0.1496, allocations: 0 / 0.6531 GB, free: 15.83 MB / 462.1 MB Notification: Performance of matching and sorting (n=4): time 0.0003762/0.15, allocations: 255.3 kB / 0.6533 GB, free: 15.57 MB / 462.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 4.086e-05/0.15, allocations: 77.77 kB / 0.6534 GB, free: 15.47 MB / 462.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.000128/0.1502, allocations: 147.6 kB / 0.6535 GB, free: 15.32 MB / 462.1 MB Notification: Performance of collectPreVariables (initialization): time 1.706e-05/0.1502, allocations: 30.39 kB / 0.6535 GB, free: 15.29 MB / 462.1 MB Notification: Performance of collectInitialEqns (initialization): time 4.334e-05/0.1502, allocations: 101 kB / 0.6536 GB, free: 15.18 MB / 462.1 MB Notification: Performance of collectInitialBindings (initialization): time 2.25e-05/0.1503, allocations: 15.83 kB / 0.6537 GB, free: 15.17 MB / 462.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 5.821e-06/0.1503, allocations: 0 / 0.6537 GB, free: 15.17 MB / 462.1 MB Notification: Performance of setup shared object (initialization): time 0.0001232/0.1504, allocations: 320.4 kB / 0.654 GB, free: 14.85 MB / 462.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001202/0.1505, allocations: 103.9 kB / 0.6541 GB, free: 14.75 MB / 462.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001199/0.1507, allocations: 99.94 kB / 0.6542 GB, free: 14.65 MB / 462.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.0001458/0.1508, allocations: 164.3 kB / 0.6543 GB, free: 14.48 MB / 462.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.773e-06/0.1508, allocations: 0 / 0.6543 GB, free: 14.48 MB / 462.1 MB Notification: Performance of matching and sorting (n=12) (initialization): time 0.0003391/0.1512, allocations: 325.5 kB / 0.6546 GB, free: 14.14 MB / 462.1 MB Notification: Performance of prepare postOptimizeDAE: time 5.4e-05/0.1512, allocations: 72.64 kB / 0.6547 GB, free: 14.06 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.17e-06/0.1513, allocations: 4.688 kB / 0.6547 GB, free: 14.05 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 9.568e-06/0.1513, allocations: 0 / 0.6547 GB, free: 14.05 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 1.112e-06/0.1513, allocations: 0.875 kB / 0.6547 GB, free: 14.05 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 4.488e-06/0.1513, allocations: 0 / 0.6547 GB, free: 14.05 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0001245/0.1514, allocations: 16.59 kB / 0.6547 GB, free: 14.04 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.19e-05/0.1514, allocations: 2.344 kB / 0.6547 GB, free: 14.04 MB / 462.1 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 1 (i) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (2): * Single equations (assignments): 0 * 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: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of prepare postOptimizeDAE: time 0.000108/0.1516, allocations: 157.2 kB / 0.6549 GB, free: 13.87 MB / 462.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 1.502e-05/0.1516, allocations: 11.86 kB / 0.6549 GB, free: 13.86 MB / 462.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 1.636e-05/0.1516, allocations: 12.25 kB / 0.6549 GB, free: 13.84 MB / 462.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.292e-06/0.1516, allocations: 0 / 0.6549 GB, free: 13.84 MB / 462.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.487e-06/0.1516, allocations: 0.5938 kB / 0.6549 GB, free: 13.84 MB / 462.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 2.305e-06/0.1516, allocations: 0 / 0.6549 GB, free: 13.84 MB / 462.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001205/0.1517, allocations: 175.5 kB / 0.6551 GB, free: 13.62 MB / 462.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 7.61e-07/0.1518, allocations: 0 / 0.6551 GB, free: 13.62 MB / 462.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 4.71e-07/0.1518, allocations: 0 / 0.6551 GB, free: 13.62 MB / 462.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 1.262e-06/0.1518, allocations: 0 / 0.6551 GB, free: 13.62 MB / 462.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.547e-05/0.1518, allocations: 15.95 kB / 0.6551 GB, free: 13.61 MB / 462.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.234e-06/0.1518, allocations: 0.625 kB / 0.6551 GB, free: 13.61 MB / 462.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.193e-06/0.1518, allocations: 3.938 kB / 0.6551 GB, free: 13.61 MB / 462.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.0002603/0.1521, allocations: 224 kB / 0.6553 GB, free: 13.36 MB / 462.1 MB Notification: Performance of postOpt removeConstants (simulation): time 4.244e-05/0.1521, allocations: 82.08 kB / 0.6554 GB, free: 13.27 MB / 462.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 1.795e-05/0.1521, allocations: 4 kB / 0.6554 GB, free: 13.26 MB / 462.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 4.711e-05/0.1522, allocations: 14.47 kB / 0.6554 GB, free: 13.25 MB / 462.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.7e-05/0.1523, allocations: 4 kB / 0.6554 GB, free: 13.25 MB / 462.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.039e-05/0.1523, allocations: 7.984 kB / 0.6554 GB, free: 13.24 MB / 462.1 MB Notification: Performance of sorting global known variables: time 6.256e-05/0.1523, allocations: 108 kB / 0.6555 GB, free: 13.13 MB / 462.1 MB Notification: Performance of sort global known variables: time 1.1e-07/0.1523, allocations: 0 / 0.6555 GB, free: 13.13 MB / 462.1 MB Notification: Performance of remove unused functions: time 0.0002634/0.1526, allocations: 67.98 kB / 0.6556 GB, free: 13.07 MB / 462.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 1 (i) * Number of discrete states: 1 (i) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (1): * Single equations (assignments): 0 * Array equations: 0 * Algorithm blocks: 1 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 0 * Torn equation systems: 0 * Mixed (continuous/discrete) equation systems: 0 Notification: Performance of Backend phase and start with SimCode phase: time 0.0006865/0.1533, allocations: 0.808 MB / 0.6564 GB, free: 12.23 MB / 462.1 MB Notification: Performance of simCode: created initialization part: time 0.0003837/0.1537, allocations: 372.4 kB / 0.6567 GB, free: 11.84 MB / 462.1 MB Notification: Performance of simCode: created event and clocks part: time 2.424e-06/0.1537, allocations: 0 / 0.6567 GB, free: 11.84 MB / 462.1 MB Notification: Performance of simCode: created simulation system equations: time 0.000128/0.1539, allocations: 139.3 kB / 0.6568 GB, free: 11.69 MB / 462.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0001446/0.154, allocations: 14.42 kB / 0.6569 GB, free: 11.68 MB / 462.1 MB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.001253/0.1553, allocations: 1.009 MB / 0.6578 GB, free: 10.62 MB / 462.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002537/0.1555, allocations: 0.6965 MB / 0.6585 GB, free: 9.898 MB / 462.1 MB Notification: Performance of simCode: alias equations: time 7.925e-06/0.1556, allocations: 3.984 kB / 0.6585 GB, free: 9.895 MB / 462.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 2.405e-05/0.1556, allocations: 15.44 kB / 0.6585 GB, free: 9.879 MB / 462.1 MB Notification: Performance of SimCode: time 1.603e-06/0.1556, allocations: 0 / 0.6585 GB, free: 9.879 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.01303/0.1686, allocations: 2.943 MB / 0.6614 GB, free: 7.102 MB / 462.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001739/0.1688, allocations: 211 kB / 0.6616 GB, free: 6.855 MB / 462.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 1.705/1.874, allocations: 0 / 0.6616 GB, free: 6.855 MB / 462.1 MB (rm -f BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.CubicHermite.pipe ; mkfifo BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.CubicHermite.pipe ; head -c 1048576 < BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.CubicHermite.pipe >> ../files/BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.CubicHermite.sim & /home/hudson/saved_omc/OMSimulator/install/linux/bin/OMSimulator --tempDir=temp_BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_CubicHermite_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 BuildingSystems_BuildingSystems_Utilities_Math_Functions_Examples_CubicHermite.fmu > BuildingSystems_BuildingSystems.Utilities.Math.Functions.Examples.CubicHermite.pipe 2>&1) Environment - environmentSimulation: